From 53fab9f838a08925e35b31971562d8a3aff94a35 Mon Sep 17 00:00:00 2001
From: Kevin Hester
class ChannelSettings
-(*args, **kwargs)
+(**kwargs)
A ProtocolMessage
Abstract base class for protocol messages.
+Protocol message classes are almost always generated by the protocol +compiler. +These generated types subclass Message and implement the methods +shown below.
var BANDWIDTH_FIELD_NUMBERvar Bw125Cr45Sf128var CHANNEL_NUM_FIELD_NUMBERvar CODING_RATE_FIELD_NUMBERvar DESCRIPTORvar MODEM_CONFIG_FIELD_NUMBERvar ModemConfigvar NAME_FIELD_NUMBERvar PSK_FIELD_NUMBERvar SPREAD_FACTOR_FIELD_NUMBERvar TX_POWER_FIELD_NUMBER
+def FromString(s)
+def FromString(s):
+ message = cls()
+ message.MergeFromString(s)
+ return message
+
+def RegisterExtension(extension_handle)
+def RegisterExtension(extension_handle):
+ extension_handle.containing_type = cls.DESCRIPTOR
+ # TODO(amauryfa): Use cls.MESSAGE_FACTORY.pool when available.
+ # pylint: disable=protected-access
+ cls.DESCRIPTOR.file.pool._AddExtensionDescriptor(extension_handle)
+ _AttachFieldHelpers(cls, extension_handle)
+var bandwidthField ChannelSettings.bandwidth
Getter for bandwidth.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var channel_numField ChannelSettings.channel_num
Getter for channel_num.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var coding_rateField ChannelSettings.coding_rate
Getter for coding_rate.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var modem_configField ChannelSettings.modem_config
Getter for modem_config.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var nameField ChannelSettings.name
Getter for name.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var pskField ChannelSettings.psk
Getter for psk.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var spread_factorField ChannelSettings.spread_factor
Getter for spread_factor.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var tx_powerField ChannelSettings.tx_power
Getter for tx_power.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+
+def ByteSize(self)
+def ByteSize(self):
+ if not self._cached_byte_size_dirty:
+ return self._cached_byte_size
+
+ size = 0
+ descriptor = self.DESCRIPTOR
+ if descriptor.GetOptions().map_entry:
+ # Fields of map entry should always be serialized.
+ size = descriptor.fields_by_name['key']._sizer(self.key)
+ size += descriptor.fields_by_name['value']._sizer(self.value)
+ else:
+ for field_descriptor, field_value in self.ListFields():
+ size += field_descriptor._sizer(field_value)
+ for tag_bytes, value_bytes in self._unknown_fields:
+ size += len(tag_bytes) + len(value_bytes)
+
+ self._cached_byte_size = size
+ self._cached_byte_size_dirty = False
+ self._listener_for_children.dirty = False
+ return size
+
+def Clear(self)
+def _Clear(self):
+ # Clear fields.
+ self._fields = {}
+ self._unknown_fields = ()
+ # pylint: disable=protected-access
+ if self._unknown_field_set is not None:
+ self._unknown_field_set._clear()
+ self._unknown_field_set = None
+
+ self._oneofs = {}
+ self._Modified()
+
+def ClearField(self, field_name)
+def ClearField(self, field_name):
+ try:
+ field = message_descriptor.fields_by_name[field_name]
+ except KeyError:
+ try:
+ field = message_descriptor.oneofs_by_name[field_name]
+ if field in self._oneofs:
+ field = self._oneofs[field]
+ else:
+ return
+ except KeyError:
+ raise ValueError('Protocol message %s has no "%s" field.' %
+ (message_descriptor.name, field_name))
+
+ if field in self._fields:
+ # To match the C++ implementation, we need to invalidate iterators
+ # for map fields when ClearField() happens.
+ if hasattr(self._fields[field], 'InvalidateIterators'):
+ self._fields[field].InvalidateIterators()
+
+ # Note: If the field is a sub-message, its listener will still point
+ # at us. That's fine, because the worst than can happen is that it
+ # will call _Modified() and invalidate our byte size. Big deal.
+ del self._fields[field]
+
+ if self._oneofs.get(field.containing_oneof, None) is field:
+ del self._oneofs[field.containing_oneof]
+
+ # Always call _Modified() -- even if nothing was changed, this is
+ # a mutating method, and thus calling it should cause the field to become
+ # present in the parent message.
+ self._Modified()
+
+def DiscardUnknownFields(self)
+def _DiscardUnknownFields(self):
+ self._unknown_fields = []
+ self._unknown_field_set = None # pylint: disable=protected-access
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ value[key].DiscardUnknownFields()
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for sub_message in value:
+ sub_message.DiscardUnknownFields()
+ else:
+ value.DiscardUnknownFields()
+
+def FindInitializationErrors(self)
+Finds required fields which are not initialized.
+A list of strings. +Each string is a path to an uninitialized field from +the top-level message, e.g. "foo.bar[5].baz".
def FindInitializationErrors(self):
+ """Finds required fields which are not initialized.
+
+ Returns:
+ A list of strings. Each string is a path to an uninitialized field from
+ the top-level message, e.g. "foo.bar[5].baz".
+ """
+
+ errors = [] # simplify things
+
+ for field in required_fields:
+ if not self.HasField(field.name):
+ errors.append(field.name)
+
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.is_extension:
+ name = '(%s)' % field.full_name
+ else:
+ name = field.name
+
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ element = value[key]
+ prefix = '%s[%s].' % (name, key)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ # ScalarMaps can't have any initialization errors.
+ pass
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for i in range(len(value)):
+ element = value[i]
+ prefix = '%s[%d].' % (name, i)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ prefix = name + '.'
+ sub_errors = value.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+
+ return errors
+
+def HasField(self, field_name)
+def HasField(self, field_name):
+ try:
+ field = hassable_fields[field_name]
+ except KeyError:
+ raise ValueError(error_msg % (message_descriptor.full_name, field_name))
+
+ if isinstance(field, descriptor_mod.OneofDescriptor):
+ try:
+ return HasField(self, self._oneofs[field].name)
+ except KeyError:
+ return False
+ else:
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ value = self._fields.get(field)
+ return value is not None and value._is_present_in_parent
+ else:
+ return field in self._fields
+
+def IsInitialized(self, errors=None)
+Checks if all required fields of a message are set.
+errorsTrue iff the specified message has all required fields set.
def IsInitialized(self, errors=None):
+ """Checks if all required fields of a message are set.
+
+ Args:
+ errors: A list which, if provided, will be populated with the field
+ paths of all missing required fields.
+
+ Returns:
+ True iff the specified message has all required fields set.
+ """
+
+ # Performance is critical so we avoid HasField() and ListFields().
+
+ for field in required_fields:
+ if (field not in self._fields or
+ (field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE and
+ not self._fields[field]._is_present_in_parent)):
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ for field, value in list(self._fields.items()): # dict can change size!
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.label == _FieldDescriptor.LABEL_REPEATED:
+ if (field.message_type.has_options and
+ field.message_type.GetOptions().map_entry):
+ continue
+ for element in value:
+ if not element.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+ elif value._is_present_in_parent and not value.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ return True
+
+def ListFields(self)
+def ListFields(self):
+ all_fields = [item for item in self._fields.items() if _IsPresent(item)]
+ all_fields.sort(key = lambda item: item[0].number)
+ return all_fields
+
+def MergeFrom(self, msg)
+def MergeFrom(self, msg):
+ if not isinstance(msg, cls):
+ raise TypeError(
+ 'Parameter to MergeFrom() must be instance of same class: '
+ 'expected %s got %s.' % (cls.__name__, msg.__class__.__name__))
+
+ assert msg is not self
+ self._Modified()
+
+ fields = self._fields
+
+ for field, value in msg._fields.items():
+ if field.label == LABEL_REPEATED:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ elif field.cpp_type == CPPTYPE_MESSAGE:
+ if value._is_present_in_parent:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ else:
+ self._fields[field] = value
+ if field.containing_oneof:
+ self._UpdateOneofState(field)
+
+ if msg._unknown_fields:
+ if not self._unknown_fields:
+ self._unknown_fields = []
+ self._unknown_fields.extend(msg._unknown_fields)
+ # pylint: disable=protected-access
+ if self._unknown_field_set is None:
+ self._unknown_field_set = containers.UnknownFieldSet()
+ self._unknown_field_set._extend(msg._unknown_field_set)
+
+def MergeFromString(self, serialized)
+def MergeFromString(self, serialized):
+ if isinstance(serialized, memoryview) and six.PY2:
+ raise TypeError(
+ 'memoryview not supported in Python 2 with the pure Python proto '
+ 'implementation: this is to maintain compatibility with the C++ '
+ 'implementation')
+
+ serialized = memoryview(serialized)
+ length = len(serialized)
+ try:
+ if self._InternalParse(serialized, 0, length) != length:
+ # The only reason _InternalParse would return early is if it
+ # encountered an end-group tag.
+ raise message_mod.DecodeError('Unexpected end-group tag.')
+ except (IndexError, TypeError):
+ # Now ord(buf[p:p+1]) == ord('') gets TypeError.
+ raise message_mod.DecodeError('Truncated message.')
+ except struct.error as e:
+ raise message_mod.DecodeError(e)
+ return length # Return this for legacy reasons.
+
+def SerializePartialToString(self, **kwargs)
+def SerializePartialToString(self, **kwargs):
+ out = BytesIO()
+ self._InternalSerialize(out.write, **kwargs)
+ return out.getvalue()
+
+def SerializeToString(self, **kwargs)
+def SerializeToString(self, **kwargs):
+ # Check if the message has all of its required fields set.
+ if not self.IsInitialized():
+ raise message_mod.EncodeError(
+ 'Message %s is missing required fields: %s' % (
+ self.DESCRIPTOR.full_name, ','.join(self.FindInitializationErrors())))
+ return self.SerializePartialToString(**kwargs)
+
+def SetInParent(self)
+Sets the _cached_byte_size_dirty bit to true, +and propagates this to our listener iff this was a state change.
def Modified(self):
+ """Sets the _cached_byte_size_dirty bit to true,
+ and propagates this to our listener iff this was a state change.
+ """
+
+ # Note: Some callers check _cached_byte_size_dirty before calling
+ # _Modified() as an extra optimization. So, if this method is ever
+ # changed such that it does stuff even when _cached_byte_size_dirty is
+ # already true, the callers need to be updated.
+ if not self._cached_byte_size_dirty:
+ self._cached_byte_size_dirty = True
+ self._listener_for_children.dirty = True
+ self._is_present_in_parent = True
+ self._listener.Modified()
+
+def UnknownFields(self)
+def _UnknownFields(self):
+ if self._unknown_field_set is None: # pylint: disable=protected-access
+ # pylint: disable=protected-access
+ self._unknown_field_set = containers.UnknownFieldSet()
+ return self._unknown_field_set # pylint: disable=protected-access
+
+def WhichOneof(self, oneof_name)
+Returns the name of the currently set field inside a oneof, or None.
def WhichOneof(self, oneof_name):
+ """Returns the name of the currently set field inside a oneof, or None."""
+ try:
+ field = message_descriptor.oneofs_by_name[oneof_name]
+ except KeyError:
+ raise ValueError(
+ 'Protocol message has no oneof "%s" field.' % oneof_name)
+
+ nested_field = self._oneofs.get(field, None)
+ if nested_field is not None and self.HasField(nested_field.name):
+ return nested_field.name
+ else:
+ return None
+
class Data
-(*args, **kwargs)
+(**kwargs)
A ProtocolMessage
Abstract base class for protocol messages.
+Protocol message classes are almost always generated by the protocol +compiler. +These generated types subclass Message and implement the methods +shown below.
var PAYLOAD_FIELD_NUMBERvar TYP_FIELD_NUMBERvar Type
+def FromString(s)
+def FromString(s):
+ message = cls()
+ message.MergeFromString(s)
+ return message
+
+def RegisterExtension(extension_handle)
+def RegisterExtension(extension_handle):
+ extension_handle.containing_type = cls.DESCRIPTOR
+ # TODO(amauryfa): Use cls.MESSAGE_FACTORY.pool when available.
+ # pylint: disable=protected-access
+ cls.DESCRIPTOR.file.pool._AddExtensionDescriptor(extension_handle)
+ _AttachFieldHelpers(cls, extension_handle)
+var payloadField Data.payload
Getter for payload.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var typField Data.typ
Getter for typ.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+
+def ByteSize(self)
+def ByteSize(self):
+ if not self._cached_byte_size_dirty:
+ return self._cached_byte_size
+
+ size = 0
+ descriptor = self.DESCRIPTOR
+ if descriptor.GetOptions().map_entry:
+ # Fields of map entry should always be serialized.
+ size = descriptor.fields_by_name['key']._sizer(self.key)
+ size += descriptor.fields_by_name['value']._sizer(self.value)
+ else:
+ for field_descriptor, field_value in self.ListFields():
+ size += field_descriptor._sizer(field_value)
+ for tag_bytes, value_bytes in self._unknown_fields:
+ size += len(tag_bytes) + len(value_bytes)
+
+ self._cached_byte_size = size
+ self._cached_byte_size_dirty = False
+ self._listener_for_children.dirty = False
+ return size
+
+def Clear(self)
+def _Clear(self):
+ # Clear fields.
+ self._fields = {}
+ self._unknown_fields = ()
+ # pylint: disable=protected-access
+ if self._unknown_field_set is not None:
+ self._unknown_field_set._clear()
+ self._unknown_field_set = None
+
+ self._oneofs = {}
+ self._Modified()
+
+def ClearField(self, field_name)
+def ClearField(self, field_name):
+ try:
+ field = message_descriptor.fields_by_name[field_name]
+ except KeyError:
+ try:
+ field = message_descriptor.oneofs_by_name[field_name]
+ if field in self._oneofs:
+ field = self._oneofs[field]
+ else:
+ return
+ except KeyError:
+ raise ValueError('Protocol message %s has no "%s" field.' %
+ (message_descriptor.name, field_name))
+
+ if field in self._fields:
+ # To match the C++ implementation, we need to invalidate iterators
+ # for map fields when ClearField() happens.
+ if hasattr(self._fields[field], 'InvalidateIterators'):
+ self._fields[field].InvalidateIterators()
+
+ # Note: If the field is a sub-message, its listener will still point
+ # at us. That's fine, because the worst than can happen is that it
+ # will call _Modified() and invalidate our byte size. Big deal.
+ del self._fields[field]
+
+ if self._oneofs.get(field.containing_oneof, None) is field:
+ del self._oneofs[field.containing_oneof]
+
+ # Always call _Modified() -- even if nothing was changed, this is
+ # a mutating method, and thus calling it should cause the field to become
+ # present in the parent message.
+ self._Modified()
+
+def DiscardUnknownFields(self)
+def _DiscardUnknownFields(self):
+ self._unknown_fields = []
+ self._unknown_field_set = None # pylint: disable=protected-access
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ value[key].DiscardUnknownFields()
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for sub_message in value:
+ sub_message.DiscardUnknownFields()
+ else:
+ value.DiscardUnknownFields()
+
+def FindInitializationErrors(self)
+Finds required fields which are not initialized.
+A list of strings. +Each string is a path to an uninitialized field from +the top-level message, e.g. "foo.bar[5].baz".
def FindInitializationErrors(self):
+ """Finds required fields which are not initialized.
+
+ Returns:
+ A list of strings. Each string is a path to an uninitialized field from
+ the top-level message, e.g. "foo.bar[5].baz".
+ """
+
+ errors = [] # simplify things
+
+ for field in required_fields:
+ if not self.HasField(field.name):
+ errors.append(field.name)
+
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.is_extension:
+ name = '(%s)' % field.full_name
+ else:
+ name = field.name
+
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ element = value[key]
+ prefix = '%s[%s].' % (name, key)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ # ScalarMaps can't have any initialization errors.
+ pass
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for i in range(len(value)):
+ element = value[i]
+ prefix = '%s[%d].' % (name, i)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ prefix = name + '.'
+ sub_errors = value.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+
+ return errors
+
+def HasField(self, field_name)
+def HasField(self, field_name):
+ try:
+ field = hassable_fields[field_name]
+ except KeyError:
+ raise ValueError(error_msg % (message_descriptor.full_name, field_name))
+
+ if isinstance(field, descriptor_mod.OneofDescriptor):
+ try:
+ return HasField(self, self._oneofs[field].name)
+ except KeyError:
+ return False
+ else:
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ value = self._fields.get(field)
+ return value is not None and value._is_present_in_parent
+ else:
+ return field in self._fields
+
+def IsInitialized(self, errors=None)
+Checks if all required fields of a message are set.
+errorsTrue iff the specified message has all required fields set.
def IsInitialized(self, errors=None):
+ """Checks if all required fields of a message are set.
+
+ Args:
+ errors: A list which, if provided, will be populated with the field
+ paths of all missing required fields.
+
+ Returns:
+ True iff the specified message has all required fields set.
+ """
+
+ # Performance is critical so we avoid HasField() and ListFields().
+
+ for field in required_fields:
+ if (field not in self._fields or
+ (field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE and
+ not self._fields[field]._is_present_in_parent)):
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ for field, value in list(self._fields.items()): # dict can change size!
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.label == _FieldDescriptor.LABEL_REPEATED:
+ if (field.message_type.has_options and
+ field.message_type.GetOptions().map_entry):
+ continue
+ for element in value:
+ if not element.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+ elif value._is_present_in_parent and not value.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ return True
+
+def ListFields(self)
+def ListFields(self):
+ all_fields = [item for item in self._fields.items() if _IsPresent(item)]
+ all_fields.sort(key = lambda item: item[0].number)
+ return all_fields
+
+def MergeFrom(self, msg)
+def MergeFrom(self, msg):
+ if not isinstance(msg, cls):
+ raise TypeError(
+ 'Parameter to MergeFrom() must be instance of same class: '
+ 'expected %s got %s.' % (cls.__name__, msg.__class__.__name__))
+
+ assert msg is not self
+ self._Modified()
+
+ fields = self._fields
+
+ for field, value in msg._fields.items():
+ if field.label == LABEL_REPEATED:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ elif field.cpp_type == CPPTYPE_MESSAGE:
+ if value._is_present_in_parent:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ else:
+ self._fields[field] = value
+ if field.containing_oneof:
+ self._UpdateOneofState(field)
+
+ if msg._unknown_fields:
+ if not self._unknown_fields:
+ self._unknown_fields = []
+ self._unknown_fields.extend(msg._unknown_fields)
+ # pylint: disable=protected-access
+ if self._unknown_field_set is None:
+ self._unknown_field_set = containers.UnknownFieldSet()
+ self._unknown_field_set._extend(msg._unknown_field_set)
+
+def MergeFromString(self, serialized)
+def MergeFromString(self, serialized):
+ if isinstance(serialized, memoryview) and six.PY2:
+ raise TypeError(
+ 'memoryview not supported in Python 2 with the pure Python proto '
+ 'implementation: this is to maintain compatibility with the C++ '
+ 'implementation')
+
+ serialized = memoryview(serialized)
+ length = len(serialized)
+ try:
+ if self._InternalParse(serialized, 0, length) != length:
+ # The only reason _InternalParse would return early is if it
+ # encountered an end-group tag.
+ raise message_mod.DecodeError('Unexpected end-group tag.')
+ except (IndexError, TypeError):
+ # Now ord(buf[p:p+1]) == ord('') gets TypeError.
+ raise message_mod.DecodeError('Truncated message.')
+ except struct.error as e:
+ raise message_mod.DecodeError(e)
+ return length # Return this for legacy reasons.
+
+def SerializePartialToString(self, **kwargs)
+def SerializePartialToString(self, **kwargs):
+ out = BytesIO()
+ self._InternalSerialize(out.write, **kwargs)
+ return out.getvalue()
+
+def SerializeToString(self, **kwargs)
+def SerializeToString(self, **kwargs):
+ # Check if the message has all of its required fields set.
+ if not self.IsInitialized():
+ raise message_mod.EncodeError(
+ 'Message %s is missing required fields: %s' % (
+ self.DESCRIPTOR.full_name, ','.join(self.FindInitializationErrors())))
+ return self.SerializePartialToString(**kwargs)
+
+def SetInParent(self)
+Sets the _cached_byte_size_dirty bit to true, +and propagates this to our listener iff this was a state change.
def Modified(self):
+ """Sets the _cached_byte_size_dirty bit to true,
+ and propagates this to our listener iff this was a state change.
+ """
+
+ # Note: Some callers check _cached_byte_size_dirty before calling
+ # _Modified() as an extra optimization. So, if this method is ever
+ # changed such that it does stuff even when _cached_byte_size_dirty is
+ # already true, the callers need to be updated.
+ if not self._cached_byte_size_dirty:
+ self._cached_byte_size_dirty = True
+ self._listener_for_children.dirty = True
+ self._is_present_in_parent = True
+ self._listener.Modified()
+
+def UnknownFields(self)
+def _UnknownFields(self):
+ if self._unknown_field_set is None: # pylint: disable=protected-access
+ # pylint: disable=protected-access
+ self._unknown_field_set = containers.UnknownFieldSet()
+ return self._unknown_field_set # pylint: disable=protected-access
+
+def WhichOneof(self, oneof_name)
+Returns the name of the currently set field inside a oneof, or None.
def WhichOneof(self, oneof_name):
+ """Returns the name of the currently set field inside a oneof, or None."""
+ try:
+ field = message_descriptor.oneofs_by_name[oneof_name]
+ except KeyError:
+ raise ValueError(
+ 'Protocol message has no oneof "%s" field.' % oneof_name)
+
+ nested_field = self._oneofs.get(field, None)
+ if nested_field is not None and self.HasField(nested_field.name):
+ return nested_field.name
+ else:
+ return None
+
class DebugString
-(*args, **kwargs)
+(**kwargs)
A ProtocolMessage
Abstract base class for protocol messages.
+Protocol message classes are almost always generated by the protocol +compiler. +These generated types subclass Message and implement the methods +shown below.
var MESSAGE_FIELD_NUMBER
+def FromString(s)
+def FromString(s):
+ message = cls()
+ message.MergeFromString(s)
+ return message
+
+def RegisterExtension(extension_handle)
+def RegisterExtension(extension_handle):
+ extension_handle.containing_type = cls.DESCRIPTOR
+ # TODO(amauryfa): Use cls.MESSAGE_FACTORY.pool when available.
+ # pylint: disable=protected-access
+ cls.DESCRIPTOR.file.pool._AddExtensionDescriptor(extension_handle)
+ _AttachFieldHelpers(cls, extension_handle)
+var messageField DebugString.message
Getter for message.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+
+def ByteSize(self)
+def ByteSize(self):
+ if not self._cached_byte_size_dirty:
+ return self._cached_byte_size
+
+ size = 0
+ descriptor = self.DESCRIPTOR
+ if descriptor.GetOptions().map_entry:
+ # Fields of map entry should always be serialized.
+ size = descriptor.fields_by_name['key']._sizer(self.key)
+ size += descriptor.fields_by_name['value']._sizer(self.value)
+ else:
+ for field_descriptor, field_value in self.ListFields():
+ size += field_descriptor._sizer(field_value)
+ for tag_bytes, value_bytes in self._unknown_fields:
+ size += len(tag_bytes) + len(value_bytes)
+
+ self._cached_byte_size = size
+ self._cached_byte_size_dirty = False
+ self._listener_for_children.dirty = False
+ return size
+
+def Clear(self)
+def _Clear(self):
+ # Clear fields.
+ self._fields = {}
+ self._unknown_fields = ()
+ # pylint: disable=protected-access
+ if self._unknown_field_set is not None:
+ self._unknown_field_set._clear()
+ self._unknown_field_set = None
+
+ self._oneofs = {}
+ self._Modified()
+
+def ClearField(self, field_name)
+def ClearField(self, field_name):
+ try:
+ field = message_descriptor.fields_by_name[field_name]
+ except KeyError:
+ try:
+ field = message_descriptor.oneofs_by_name[field_name]
+ if field in self._oneofs:
+ field = self._oneofs[field]
+ else:
+ return
+ except KeyError:
+ raise ValueError('Protocol message %s has no "%s" field.' %
+ (message_descriptor.name, field_name))
+
+ if field in self._fields:
+ # To match the C++ implementation, we need to invalidate iterators
+ # for map fields when ClearField() happens.
+ if hasattr(self._fields[field], 'InvalidateIterators'):
+ self._fields[field].InvalidateIterators()
+
+ # Note: If the field is a sub-message, its listener will still point
+ # at us. That's fine, because the worst than can happen is that it
+ # will call _Modified() and invalidate our byte size. Big deal.
+ del self._fields[field]
+
+ if self._oneofs.get(field.containing_oneof, None) is field:
+ del self._oneofs[field.containing_oneof]
+
+ # Always call _Modified() -- even if nothing was changed, this is
+ # a mutating method, and thus calling it should cause the field to become
+ # present in the parent message.
+ self._Modified()
+
+def DiscardUnknownFields(self)
+def _DiscardUnknownFields(self):
+ self._unknown_fields = []
+ self._unknown_field_set = None # pylint: disable=protected-access
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ value[key].DiscardUnknownFields()
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for sub_message in value:
+ sub_message.DiscardUnknownFields()
+ else:
+ value.DiscardUnknownFields()
+
+def FindInitializationErrors(self)
+Finds required fields which are not initialized.
+A list of strings. +Each string is a path to an uninitialized field from +the top-level message, e.g. "foo.bar[5].baz".
def FindInitializationErrors(self):
+ """Finds required fields which are not initialized.
+
+ Returns:
+ A list of strings. Each string is a path to an uninitialized field from
+ the top-level message, e.g. "foo.bar[5].baz".
+ """
+
+ errors = [] # simplify things
+
+ for field in required_fields:
+ if not self.HasField(field.name):
+ errors.append(field.name)
+
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.is_extension:
+ name = '(%s)' % field.full_name
+ else:
+ name = field.name
+
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ element = value[key]
+ prefix = '%s[%s].' % (name, key)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ # ScalarMaps can't have any initialization errors.
+ pass
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for i in range(len(value)):
+ element = value[i]
+ prefix = '%s[%d].' % (name, i)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ prefix = name + '.'
+ sub_errors = value.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+
+ return errors
+
+def HasField(self, field_name)
+def HasField(self, field_name):
+ try:
+ field = hassable_fields[field_name]
+ except KeyError:
+ raise ValueError(error_msg % (message_descriptor.full_name, field_name))
+
+ if isinstance(field, descriptor_mod.OneofDescriptor):
+ try:
+ return HasField(self, self._oneofs[field].name)
+ except KeyError:
+ return False
+ else:
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ value = self._fields.get(field)
+ return value is not None and value._is_present_in_parent
+ else:
+ return field in self._fields
+
+def IsInitialized(self, errors=None)
+Checks if all required fields of a message are set.
+errorsTrue iff the specified message has all required fields set.
def IsInitialized(self, errors=None):
+ """Checks if all required fields of a message are set.
+
+ Args:
+ errors: A list which, if provided, will be populated with the field
+ paths of all missing required fields.
+
+ Returns:
+ True iff the specified message has all required fields set.
+ """
+
+ # Performance is critical so we avoid HasField() and ListFields().
+
+ for field in required_fields:
+ if (field not in self._fields or
+ (field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE and
+ not self._fields[field]._is_present_in_parent)):
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ for field, value in list(self._fields.items()): # dict can change size!
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.label == _FieldDescriptor.LABEL_REPEATED:
+ if (field.message_type.has_options and
+ field.message_type.GetOptions().map_entry):
+ continue
+ for element in value:
+ if not element.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+ elif value._is_present_in_parent and not value.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ return True
+
+def ListFields(self)
+def ListFields(self):
+ all_fields = [item for item in self._fields.items() if _IsPresent(item)]
+ all_fields.sort(key = lambda item: item[0].number)
+ return all_fields
+
+def MergeFrom(self, msg)
+def MergeFrom(self, msg):
+ if not isinstance(msg, cls):
+ raise TypeError(
+ 'Parameter to MergeFrom() must be instance of same class: '
+ 'expected %s got %s.' % (cls.__name__, msg.__class__.__name__))
+
+ assert msg is not self
+ self._Modified()
+
+ fields = self._fields
+
+ for field, value in msg._fields.items():
+ if field.label == LABEL_REPEATED:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ elif field.cpp_type == CPPTYPE_MESSAGE:
+ if value._is_present_in_parent:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ else:
+ self._fields[field] = value
+ if field.containing_oneof:
+ self._UpdateOneofState(field)
+
+ if msg._unknown_fields:
+ if not self._unknown_fields:
+ self._unknown_fields = []
+ self._unknown_fields.extend(msg._unknown_fields)
+ # pylint: disable=protected-access
+ if self._unknown_field_set is None:
+ self._unknown_field_set = containers.UnknownFieldSet()
+ self._unknown_field_set._extend(msg._unknown_field_set)
+
+def MergeFromString(self, serialized)
+def MergeFromString(self, serialized):
+ if isinstance(serialized, memoryview) and six.PY2:
+ raise TypeError(
+ 'memoryview not supported in Python 2 with the pure Python proto '
+ 'implementation: this is to maintain compatibility with the C++ '
+ 'implementation')
+
+ serialized = memoryview(serialized)
+ length = len(serialized)
+ try:
+ if self._InternalParse(serialized, 0, length) != length:
+ # The only reason _InternalParse would return early is if it
+ # encountered an end-group tag.
+ raise message_mod.DecodeError('Unexpected end-group tag.')
+ except (IndexError, TypeError):
+ # Now ord(buf[p:p+1]) == ord('') gets TypeError.
+ raise message_mod.DecodeError('Truncated message.')
+ except struct.error as e:
+ raise message_mod.DecodeError(e)
+ return length # Return this for legacy reasons.
+
+def SerializePartialToString(self, **kwargs)
+def SerializePartialToString(self, **kwargs):
+ out = BytesIO()
+ self._InternalSerialize(out.write, **kwargs)
+ return out.getvalue()
+
+def SerializeToString(self, **kwargs)
+def SerializeToString(self, **kwargs):
+ # Check if the message has all of its required fields set.
+ if not self.IsInitialized():
+ raise message_mod.EncodeError(
+ 'Message %s is missing required fields: %s' % (
+ self.DESCRIPTOR.full_name, ','.join(self.FindInitializationErrors())))
+ return self.SerializePartialToString(**kwargs)
+
+def SetInParent(self)
+Sets the _cached_byte_size_dirty bit to true, +and propagates this to our listener iff this was a state change.
def Modified(self):
+ """Sets the _cached_byte_size_dirty bit to true,
+ and propagates this to our listener iff this was a state change.
+ """
+
+ # Note: Some callers check _cached_byte_size_dirty before calling
+ # _Modified() as an extra optimization. So, if this method is ever
+ # changed such that it does stuff even when _cached_byte_size_dirty is
+ # already true, the callers need to be updated.
+ if not self._cached_byte_size_dirty:
+ self._cached_byte_size_dirty = True
+ self._listener_for_children.dirty = True
+ self._is_present_in_parent = True
+ self._listener.Modified()
+
+def UnknownFields(self)
+def _UnknownFields(self):
+ if self._unknown_field_set is None: # pylint: disable=protected-access
+ # pylint: disable=protected-access
+ self._unknown_field_set = containers.UnknownFieldSet()
+ return self._unknown_field_set # pylint: disable=protected-access
+
+def WhichOneof(self, oneof_name)
+Returns the name of the currently set field inside a oneof, or None.
def WhichOneof(self, oneof_name):
+ """Returns the name of the currently set field inside a oneof, or None."""
+ try:
+ field = message_descriptor.oneofs_by_name[oneof_name]
+ except KeyError:
+ raise ValueError(
+ 'Protocol message has no oneof "%s" field.' % oneof_name)
+
+ nested_field = self._oneofs.get(field, None)
+ if nested_field is not None and self.HasField(nested_field.name):
+ return nested_field.name
+ else:
+ return None
+
class DeviceState
-(*args, **kwargs)
+(**kwargs)
A ProtocolMessage
Abstract base class for protocol messages.
+Protocol message classes are almost always generated by the protocol +compiler. +These generated types subclass Message and implement the methods +shown below.
var DID_GPS_RESET_FIELD_NUMBERvar MY_NODE_FIELD_NUMBERvar NODE_DB_FIELD_NUMBERvar NO_SAVE_FIELD_NUMBERvar OWNER_FIELD_NUMBERvar RADIO_FIELD_NUMBERvar RECEIVE_QUEUE_FIELD_NUMBERvar RX_TEXT_MESSAGE_FIELD_NUMBERvar VERSION_FIELD_NUMBER
+def FromString(s)
+def FromString(s):
+ message = cls()
+ message.MergeFromString(s)
+ return message
+
+def RegisterExtension(extension_handle)
+def RegisterExtension(extension_handle):
+ extension_handle.containing_type = cls.DESCRIPTOR
+ # TODO(amauryfa): Use cls.MESSAGE_FACTORY.pool when available.
+ # pylint: disable=protected-access
+ cls.DESCRIPTOR.file.pool._AddExtensionDescriptor(extension_handle)
+ _AttachFieldHelpers(cls, extension_handle)
+var did_gps_resetField DeviceState.did_gps_reset
Getter for did_gps_reset.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var my_nodeField DeviceState.my_node
Getter for my_node.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var no_saveField DeviceState.no_save
Getter for no_save.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var node_dbField DeviceState.node_db
Getter for node_db.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var ownerField DeviceState.owner
Getter for owner.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var radioField DeviceState.radio
Getter for radio.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var receive_queueField DeviceState.receive_queue
Getter for receive_queue.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var rx_text_messageField DeviceState.rx_text_message
Getter for rx_text_message.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var versionField DeviceState.version
Getter for version.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+
+def ByteSize(self)
+def ByteSize(self):
+ if not self._cached_byte_size_dirty:
+ return self._cached_byte_size
+
+ size = 0
+ descriptor = self.DESCRIPTOR
+ if descriptor.GetOptions().map_entry:
+ # Fields of map entry should always be serialized.
+ size = descriptor.fields_by_name['key']._sizer(self.key)
+ size += descriptor.fields_by_name['value']._sizer(self.value)
+ else:
+ for field_descriptor, field_value in self.ListFields():
+ size += field_descriptor._sizer(field_value)
+ for tag_bytes, value_bytes in self._unknown_fields:
+ size += len(tag_bytes) + len(value_bytes)
+
+ self._cached_byte_size = size
+ self._cached_byte_size_dirty = False
+ self._listener_for_children.dirty = False
+ return size
+
+def Clear(self)
+def _Clear(self):
+ # Clear fields.
+ self._fields = {}
+ self._unknown_fields = ()
+ # pylint: disable=protected-access
+ if self._unknown_field_set is not None:
+ self._unknown_field_set._clear()
+ self._unknown_field_set = None
+
+ self._oneofs = {}
+ self._Modified()
+
+def ClearField(self, field_name)
+def ClearField(self, field_name):
+ try:
+ field = message_descriptor.fields_by_name[field_name]
+ except KeyError:
+ try:
+ field = message_descriptor.oneofs_by_name[field_name]
+ if field in self._oneofs:
+ field = self._oneofs[field]
+ else:
+ return
+ except KeyError:
+ raise ValueError('Protocol message %s has no "%s" field.' %
+ (message_descriptor.name, field_name))
+
+ if field in self._fields:
+ # To match the C++ implementation, we need to invalidate iterators
+ # for map fields when ClearField() happens.
+ if hasattr(self._fields[field], 'InvalidateIterators'):
+ self._fields[field].InvalidateIterators()
+
+ # Note: If the field is a sub-message, its listener will still point
+ # at us. That's fine, because the worst than can happen is that it
+ # will call _Modified() and invalidate our byte size. Big deal.
+ del self._fields[field]
+
+ if self._oneofs.get(field.containing_oneof, None) is field:
+ del self._oneofs[field.containing_oneof]
+
+ # Always call _Modified() -- even if nothing was changed, this is
+ # a mutating method, and thus calling it should cause the field to become
+ # present in the parent message.
+ self._Modified()
+
+def DiscardUnknownFields(self)
+def _DiscardUnknownFields(self):
+ self._unknown_fields = []
+ self._unknown_field_set = None # pylint: disable=protected-access
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ value[key].DiscardUnknownFields()
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for sub_message in value:
+ sub_message.DiscardUnknownFields()
+ else:
+ value.DiscardUnknownFields()
+
+def FindInitializationErrors(self)
+Finds required fields which are not initialized.
+A list of strings. +Each string is a path to an uninitialized field from +the top-level message, e.g. "foo.bar[5].baz".
def FindInitializationErrors(self):
+ """Finds required fields which are not initialized.
+
+ Returns:
+ A list of strings. Each string is a path to an uninitialized field from
+ the top-level message, e.g. "foo.bar[5].baz".
+ """
+
+ errors = [] # simplify things
+
+ for field in required_fields:
+ if not self.HasField(field.name):
+ errors.append(field.name)
+
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.is_extension:
+ name = '(%s)' % field.full_name
+ else:
+ name = field.name
+
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ element = value[key]
+ prefix = '%s[%s].' % (name, key)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ # ScalarMaps can't have any initialization errors.
+ pass
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for i in range(len(value)):
+ element = value[i]
+ prefix = '%s[%d].' % (name, i)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ prefix = name + '.'
+ sub_errors = value.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+
+ return errors
+
+def HasField(self, field_name)
+def HasField(self, field_name):
+ try:
+ field = hassable_fields[field_name]
+ except KeyError:
+ raise ValueError(error_msg % (message_descriptor.full_name, field_name))
+
+ if isinstance(field, descriptor_mod.OneofDescriptor):
+ try:
+ return HasField(self, self._oneofs[field].name)
+ except KeyError:
+ return False
+ else:
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ value = self._fields.get(field)
+ return value is not None and value._is_present_in_parent
+ else:
+ return field in self._fields
+
+def IsInitialized(self, errors=None)
+Checks if all required fields of a message are set.
+errorsTrue iff the specified message has all required fields set.
def IsInitialized(self, errors=None):
+ """Checks if all required fields of a message are set.
+
+ Args:
+ errors: A list which, if provided, will be populated with the field
+ paths of all missing required fields.
+
+ Returns:
+ True iff the specified message has all required fields set.
+ """
+
+ # Performance is critical so we avoid HasField() and ListFields().
+
+ for field in required_fields:
+ if (field not in self._fields or
+ (field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE and
+ not self._fields[field]._is_present_in_parent)):
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ for field, value in list(self._fields.items()): # dict can change size!
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.label == _FieldDescriptor.LABEL_REPEATED:
+ if (field.message_type.has_options and
+ field.message_type.GetOptions().map_entry):
+ continue
+ for element in value:
+ if not element.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+ elif value._is_present_in_parent and not value.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ return True
+
+def ListFields(self)
+def ListFields(self):
+ all_fields = [item for item in self._fields.items() if _IsPresent(item)]
+ all_fields.sort(key = lambda item: item[0].number)
+ return all_fields
+
+def MergeFrom(self, msg)
+def MergeFrom(self, msg):
+ if not isinstance(msg, cls):
+ raise TypeError(
+ 'Parameter to MergeFrom() must be instance of same class: '
+ 'expected %s got %s.' % (cls.__name__, msg.__class__.__name__))
+
+ assert msg is not self
+ self._Modified()
+
+ fields = self._fields
+
+ for field, value in msg._fields.items():
+ if field.label == LABEL_REPEATED:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ elif field.cpp_type == CPPTYPE_MESSAGE:
+ if value._is_present_in_parent:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ else:
+ self._fields[field] = value
+ if field.containing_oneof:
+ self._UpdateOneofState(field)
+
+ if msg._unknown_fields:
+ if not self._unknown_fields:
+ self._unknown_fields = []
+ self._unknown_fields.extend(msg._unknown_fields)
+ # pylint: disable=protected-access
+ if self._unknown_field_set is None:
+ self._unknown_field_set = containers.UnknownFieldSet()
+ self._unknown_field_set._extend(msg._unknown_field_set)
+
+def MergeFromString(self, serialized)
+def MergeFromString(self, serialized):
+ if isinstance(serialized, memoryview) and six.PY2:
+ raise TypeError(
+ 'memoryview not supported in Python 2 with the pure Python proto '
+ 'implementation: this is to maintain compatibility with the C++ '
+ 'implementation')
+
+ serialized = memoryview(serialized)
+ length = len(serialized)
+ try:
+ if self._InternalParse(serialized, 0, length) != length:
+ # The only reason _InternalParse would return early is if it
+ # encountered an end-group tag.
+ raise message_mod.DecodeError('Unexpected end-group tag.')
+ except (IndexError, TypeError):
+ # Now ord(buf[p:p+1]) == ord('') gets TypeError.
+ raise message_mod.DecodeError('Truncated message.')
+ except struct.error as e:
+ raise message_mod.DecodeError(e)
+ return length # Return this for legacy reasons.
+
+def SerializePartialToString(self, **kwargs)
+def SerializePartialToString(self, **kwargs):
+ out = BytesIO()
+ self._InternalSerialize(out.write, **kwargs)
+ return out.getvalue()
+
+def SerializeToString(self, **kwargs)
+def SerializeToString(self, **kwargs):
+ # Check if the message has all of its required fields set.
+ if not self.IsInitialized():
+ raise message_mod.EncodeError(
+ 'Message %s is missing required fields: %s' % (
+ self.DESCRIPTOR.full_name, ','.join(self.FindInitializationErrors())))
+ return self.SerializePartialToString(**kwargs)
+
+def SetInParent(self)
+Sets the _cached_byte_size_dirty bit to true, +and propagates this to our listener iff this was a state change.
def Modified(self):
+ """Sets the _cached_byte_size_dirty bit to true,
+ and propagates this to our listener iff this was a state change.
+ """
+
+ # Note: Some callers check _cached_byte_size_dirty before calling
+ # _Modified() as an extra optimization. So, if this method is ever
+ # changed such that it does stuff even when _cached_byte_size_dirty is
+ # already true, the callers need to be updated.
+ if not self._cached_byte_size_dirty:
+ self._cached_byte_size_dirty = True
+ self._listener_for_children.dirty = True
+ self._is_present_in_parent = True
+ self._listener.Modified()
+
+def UnknownFields(self)
+def _UnknownFields(self):
+ if self._unknown_field_set is None: # pylint: disable=protected-access
+ # pylint: disable=protected-access
+ self._unknown_field_set = containers.UnknownFieldSet()
+ return self._unknown_field_set # pylint: disable=protected-access
+
+def WhichOneof(self, oneof_name)
+Returns the name of the currently set field inside a oneof, or None.
def WhichOneof(self, oneof_name):
+ """Returns the name of the currently set field inside a oneof, or None."""
+ try:
+ field = message_descriptor.oneofs_by_name[oneof_name]
+ except KeyError:
+ raise ValueError(
+ 'Protocol message has no oneof "%s" field.' % oneof_name)
+
+ nested_field = self._oneofs.get(field, None)
+ if nested_field is not None and self.HasField(nested_field.name):
+ return nested_field.name
+ else:
+ return None
+
class FromRadio
-(*args, **kwargs)
+(**kwargs)
A ProtocolMessage
Abstract base class for protocol messages.
+Protocol message classes are almost always generated by the protocol +compiler. +These generated types subclass Message and implement the methods +shown below.
var CONFIG_COMPLETE_ID_FIELD_NUMBERvar DEBUG_STRING_FIELD_NUMBERvar DESCRIPTORvar MY_INFO_FIELD_NUMBERvar NODE_INFO_FIELD_NUMBERvar NUM_FIELD_NUMBERvar PACKET_FIELD_NUMBERvar RADIO_FIELD_NUMBERvar REBOOTED_FIELD_NUMBER
+def FromString(s)
+def FromString(s):
+ message = cls()
+ message.MergeFromString(s)
+ return message
+
+def RegisterExtension(extension_handle)
+def RegisterExtension(extension_handle):
+ extension_handle.containing_type = cls.DESCRIPTOR
+ # TODO(amauryfa): Use cls.MESSAGE_FACTORY.pool when available.
+ # pylint: disable=protected-access
+ cls.DESCRIPTOR.file.pool._AddExtensionDescriptor(extension_handle)
+ _AttachFieldHelpers(cls, extension_handle)
+var config_complete_idField FromRadio.config_complete_id
Getter for config_complete_id.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var debug_stringField FromRadio.debug_string
Getter for debug_string.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var my_infoField FromRadio.my_info
Getter for my_info.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var node_infoField FromRadio.node_info
Getter for node_info.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var numField FromRadio.num
Getter for num.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var packetField FromRadio.packet
Getter for packet.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var radioField FromRadio.radio
Getter for radio.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var rebootedField FromRadio.rebooted
Getter for rebooted.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+
+def ByteSize(self)
+def ByteSize(self):
+ if not self._cached_byte_size_dirty:
+ return self._cached_byte_size
+
+ size = 0
+ descriptor = self.DESCRIPTOR
+ if descriptor.GetOptions().map_entry:
+ # Fields of map entry should always be serialized.
+ size = descriptor.fields_by_name['key']._sizer(self.key)
+ size += descriptor.fields_by_name['value']._sizer(self.value)
+ else:
+ for field_descriptor, field_value in self.ListFields():
+ size += field_descriptor._sizer(field_value)
+ for tag_bytes, value_bytes in self._unknown_fields:
+ size += len(tag_bytes) + len(value_bytes)
+
+ self._cached_byte_size = size
+ self._cached_byte_size_dirty = False
+ self._listener_for_children.dirty = False
+ return size
+
+def Clear(self)
+def _Clear(self):
+ # Clear fields.
+ self._fields = {}
+ self._unknown_fields = ()
+ # pylint: disable=protected-access
+ if self._unknown_field_set is not None:
+ self._unknown_field_set._clear()
+ self._unknown_field_set = None
+
+ self._oneofs = {}
+ self._Modified()
+
+def ClearField(self, field_name)
+def ClearField(self, field_name):
+ try:
+ field = message_descriptor.fields_by_name[field_name]
+ except KeyError:
+ try:
+ field = message_descriptor.oneofs_by_name[field_name]
+ if field in self._oneofs:
+ field = self._oneofs[field]
+ else:
+ return
+ except KeyError:
+ raise ValueError('Protocol message %s has no "%s" field.' %
+ (message_descriptor.name, field_name))
+
+ if field in self._fields:
+ # To match the C++ implementation, we need to invalidate iterators
+ # for map fields when ClearField() happens.
+ if hasattr(self._fields[field], 'InvalidateIterators'):
+ self._fields[field].InvalidateIterators()
+
+ # Note: If the field is a sub-message, its listener will still point
+ # at us. That's fine, because the worst than can happen is that it
+ # will call _Modified() and invalidate our byte size. Big deal.
+ del self._fields[field]
+
+ if self._oneofs.get(field.containing_oneof, None) is field:
+ del self._oneofs[field.containing_oneof]
+
+ # Always call _Modified() -- even if nothing was changed, this is
+ # a mutating method, and thus calling it should cause the field to become
+ # present in the parent message.
+ self._Modified()
+
+def DiscardUnknownFields(self)
+def _DiscardUnknownFields(self):
+ self._unknown_fields = []
+ self._unknown_field_set = None # pylint: disable=protected-access
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ value[key].DiscardUnknownFields()
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for sub_message in value:
+ sub_message.DiscardUnknownFields()
+ else:
+ value.DiscardUnknownFields()
+
+def FindInitializationErrors(self)
+Finds required fields which are not initialized.
+A list of strings. +Each string is a path to an uninitialized field from +the top-level message, e.g. "foo.bar[5].baz".
def FindInitializationErrors(self):
+ """Finds required fields which are not initialized.
+
+ Returns:
+ A list of strings. Each string is a path to an uninitialized field from
+ the top-level message, e.g. "foo.bar[5].baz".
+ """
+
+ errors = [] # simplify things
+
+ for field in required_fields:
+ if not self.HasField(field.name):
+ errors.append(field.name)
+
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.is_extension:
+ name = '(%s)' % field.full_name
+ else:
+ name = field.name
+
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ element = value[key]
+ prefix = '%s[%s].' % (name, key)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ # ScalarMaps can't have any initialization errors.
+ pass
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for i in range(len(value)):
+ element = value[i]
+ prefix = '%s[%d].' % (name, i)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ prefix = name + '.'
+ sub_errors = value.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+
+ return errors
+
+def HasField(self, field_name)
+def HasField(self, field_name):
+ try:
+ field = hassable_fields[field_name]
+ except KeyError:
+ raise ValueError(error_msg % (message_descriptor.full_name, field_name))
+
+ if isinstance(field, descriptor_mod.OneofDescriptor):
+ try:
+ return HasField(self, self._oneofs[field].name)
+ except KeyError:
+ return False
+ else:
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ value = self._fields.get(field)
+ return value is not None and value._is_present_in_parent
+ else:
+ return field in self._fields
+
+def IsInitialized(self, errors=None)
+Checks if all required fields of a message are set.
+errorsTrue iff the specified message has all required fields set.
def IsInitialized(self, errors=None):
+ """Checks if all required fields of a message are set.
+
+ Args:
+ errors: A list which, if provided, will be populated with the field
+ paths of all missing required fields.
+
+ Returns:
+ True iff the specified message has all required fields set.
+ """
+
+ # Performance is critical so we avoid HasField() and ListFields().
+
+ for field in required_fields:
+ if (field not in self._fields or
+ (field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE and
+ not self._fields[field]._is_present_in_parent)):
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ for field, value in list(self._fields.items()): # dict can change size!
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.label == _FieldDescriptor.LABEL_REPEATED:
+ if (field.message_type.has_options and
+ field.message_type.GetOptions().map_entry):
+ continue
+ for element in value:
+ if not element.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+ elif value._is_present_in_parent and not value.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ return True
+
+def ListFields(self)
+def ListFields(self):
+ all_fields = [item for item in self._fields.items() if _IsPresent(item)]
+ all_fields.sort(key = lambda item: item[0].number)
+ return all_fields
+
+def MergeFrom(self, msg)
+def MergeFrom(self, msg):
+ if not isinstance(msg, cls):
+ raise TypeError(
+ 'Parameter to MergeFrom() must be instance of same class: '
+ 'expected %s got %s.' % (cls.__name__, msg.__class__.__name__))
+
+ assert msg is not self
+ self._Modified()
+
+ fields = self._fields
+
+ for field, value in msg._fields.items():
+ if field.label == LABEL_REPEATED:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ elif field.cpp_type == CPPTYPE_MESSAGE:
+ if value._is_present_in_parent:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ else:
+ self._fields[field] = value
+ if field.containing_oneof:
+ self._UpdateOneofState(field)
+
+ if msg._unknown_fields:
+ if not self._unknown_fields:
+ self._unknown_fields = []
+ self._unknown_fields.extend(msg._unknown_fields)
+ # pylint: disable=protected-access
+ if self._unknown_field_set is None:
+ self._unknown_field_set = containers.UnknownFieldSet()
+ self._unknown_field_set._extend(msg._unknown_field_set)
+
+def MergeFromString(self, serialized)
+def MergeFromString(self, serialized):
+ if isinstance(serialized, memoryview) and six.PY2:
+ raise TypeError(
+ 'memoryview not supported in Python 2 with the pure Python proto '
+ 'implementation: this is to maintain compatibility with the C++ '
+ 'implementation')
+
+ serialized = memoryview(serialized)
+ length = len(serialized)
+ try:
+ if self._InternalParse(serialized, 0, length) != length:
+ # The only reason _InternalParse would return early is if it
+ # encountered an end-group tag.
+ raise message_mod.DecodeError('Unexpected end-group tag.')
+ except (IndexError, TypeError):
+ # Now ord(buf[p:p+1]) == ord('') gets TypeError.
+ raise message_mod.DecodeError('Truncated message.')
+ except struct.error as e:
+ raise message_mod.DecodeError(e)
+ return length # Return this for legacy reasons.
+
+def SerializePartialToString(self, **kwargs)
+def SerializePartialToString(self, **kwargs):
+ out = BytesIO()
+ self._InternalSerialize(out.write, **kwargs)
+ return out.getvalue()
+
+def SerializeToString(self, **kwargs)
+def SerializeToString(self, **kwargs):
+ # Check if the message has all of its required fields set.
+ if not self.IsInitialized():
+ raise message_mod.EncodeError(
+ 'Message %s is missing required fields: %s' % (
+ self.DESCRIPTOR.full_name, ','.join(self.FindInitializationErrors())))
+ return self.SerializePartialToString(**kwargs)
+
+def SetInParent(self)
+Sets the _cached_byte_size_dirty bit to true, +and propagates this to our listener iff this was a state change.
def Modified(self):
+ """Sets the _cached_byte_size_dirty bit to true,
+ and propagates this to our listener iff this was a state change.
+ """
+
+ # Note: Some callers check _cached_byte_size_dirty before calling
+ # _Modified() as an extra optimization. So, if this method is ever
+ # changed such that it does stuff even when _cached_byte_size_dirty is
+ # already true, the callers need to be updated.
+ if not self._cached_byte_size_dirty:
+ self._cached_byte_size_dirty = True
+ self._listener_for_children.dirty = True
+ self._is_present_in_parent = True
+ self._listener.Modified()
+
+def UnknownFields(self)
+def _UnknownFields(self):
+ if self._unknown_field_set is None: # pylint: disable=protected-access
+ # pylint: disable=protected-access
+ self._unknown_field_set = containers.UnknownFieldSet()
+ return self._unknown_field_set # pylint: disable=protected-access
+
+def WhichOneof(self, oneof_name)
+Returns the name of the currently set field inside a oneof, or None.
def WhichOneof(self, oneof_name):
+ """Returns the name of the currently set field inside a oneof, or None."""
+ try:
+ field = message_descriptor.oneofs_by_name[oneof_name]
+ except KeyError:
+ raise ValueError(
+ 'Protocol message has no oneof "%s" field.' % oneof_name)
+
+ nested_field = self._oneofs.get(field, None)
+ if nested_field is not None and self.HasField(nested_field.name):
+ return nested_field.name
+ else:
+ return None
+
class ManufacturingData
-(*args, **kwargs)
+(**kwargs)
A ProtocolMessage
Abstract base class for protocol messages.
+Protocol message classes are almost always generated by the protocol +compiler. +These generated types subclass Message and implement the methods +shown below.
var FRADIOFREQ_FIELD_NUMBERvar HW_MODEL_FIELD_NUMBERvar HW_VERSION_FIELD_NUMBERvar SELFTEST_RESULT_FIELD_NUMBER
+def FromString(s)
+def FromString(s):
+ message = cls()
+ message.MergeFromString(s)
+ return message
+
+def RegisterExtension(extension_handle)
+def RegisterExtension(extension_handle):
+ extension_handle.containing_type = cls.DESCRIPTOR
+ # TODO(amauryfa): Use cls.MESSAGE_FACTORY.pool when available.
+ # pylint: disable=protected-access
+ cls.DESCRIPTOR.file.pool._AddExtensionDescriptor(extension_handle)
+ _AttachFieldHelpers(cls, extension_handle)
+var fradioFreqField ManufacturingData.fradioFreq
Getter for fradioFreq.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var hw_modelField ManufacturingData.hw_model
Getter for hw_model.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var hw_versionField ManufacturingData.hw_version
Getter for hw_version.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var selftest_resultField ManufacturingData.selftest_result
Getter for selftest_result.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+
+def ByteSize(self)
+def ByteSize(self):
+ if not self._cached_byte_size_dirty:
+ return self._cached_byte_size
+
+ size = 0
+ descriptor = self.DESCRIPTOR
+ if descriptor.GetOptions().map_entry:
+ # Fields of map entry should always be serialized.
+ size = descriptor.fields_by_name['key']._sizer(self.key)
+ size += descriptor.fields_by_name['value']._sizer(self.value)
+ else:
+ for field_descriptor, field_value in self.ListFields():
+ size += field_descriptor._sizer(field_value)
+ for tag_bytes, value_bytes in self._unknown_fields:
+ size += len(tag_bytes) + len(value_bytes)
+
+ self._cached_byte_size = size
+ self._cached_byte_size_dirty = False
+ self._listener_for_children.dirty = False
+ return size
+
+def Clear(self)
+def _Clear(self):
+ # Clear fields.
+ self._fields = {}
+ self._unknown_fields = ()
+ # pylint: disable=protected-access
+ if self._unknown_field_set is not None:
+ self._unknown_field_set._clear()
+ self._unknown_field_set = None
+
+ self._oneofs = {}
+ self._Modified()
+
+def ClearField(self, field_name)
+def ClearField(self, field_name):
+ try:
+ field = message_descriptor.fields_by_name[field_name]
+ except KeyError:
+ try:
+ field = message_descriptor.oneofs_by_name[field_name]
+ if field in self._oneofs:
+ field = self._oneofs[field]
+ else:
+ return
+ except KeyError:
+ raise ValueError('Protocol message %s has no "%s" field.' %
+ (message_descriptor.name, field_name))
+
+ if field in self._fields:
+ # To match the C++ implementation, we need to invalidate iterators
+ # for map fields when ClearField() happens.
+ if hasattr(self._fields[field], 'InvalidateIterators'):
+ self._fields[field].InvalidateIterators()
+
+ # Note: If the field is a sub-message, its listener will still point
+ # at us. That's fine, because the worst than can happen is that it
+ # will call _Modified() and invalidate our byte size. Big deal.
+ del self._fields[field]
+
+ if self._oneofs.get(field.containing_oneof, None) is field:
+ del self._oneofs[field.containing_oneof]
+
+ # Always call _Modified() -- even if nothing was changed, this is
+ # a mutating method, and thus calling it should cause the field to become
+ # present in the parent message.
+ self._Modified()
+
+def DiscardUnknownFields(self)
+def _DiscardUnknownFields(self):
+ self._unknown_fields = []
+ self._unknown_field_set = None # pylint: disable=protected-access
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ value[key].DiscardUnknownFields()
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for sub_message in value:
+ sub_message.DiscardUnknownFields()
+ else:
+ value.DiscardUnknownFields()
+
+def FindInitializationErrors(self)
+Finds required fields which are not initialized.
+A list of strings. +Each string is a path to an uninitialized field from +the top-level message, e.g. "foo.bar[5].baz".
def FindInitializationErrors(self):
+ """Finds required fields which are not initialized.
+
+ Returns:
+ A list of strings. Each string is a path to an uninitialized field from
+ the top-level message, e.g. "foo.bar[5].baz".
+ """
+
+ errors = [] # simplify things
+
+ for field in required_fields:
+ if not self.HasField(field.name):
+ errors.append(field.name)
+
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.is_extension:
+ name = '(%s)' % field.full_name
+ else:
+ name = field.name
+
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ element = value[key]
+ prefix = '%s[%s].' % (name, key)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ # ScalarMaps can't have any initialization errors.
+ pass
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for i in range(len(value)):
+ element = value[i]
+ prefix = '%s[%d].' % (name, i)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ prefix = name + '.'
+ sub_errors = value.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+
+ return errors
+
+def HasField(self, field_name)
+def HasField(self, field_name):
+ try:
+ field = hassable_fields[field_name]
+ except KeyError:
+ raise ValueError(error_msg % (message_descriptor.full_name, field_name))
+
+ if isinstance(field, descriptor_mod.OneofDescriptor):
+ try:
+ return HasField(self, self._oneofs[field].name)
+ except KeyError:
+ return False
+ else:
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ value = self._fields.get(field)
+ return value is not None and value._is_present_in_parent
+ else:
+ return field in self._fields
+
+def IsInitialized(self, errors=None)
+Checks if all required fields of a message are set.
+errorsTrue iff the specified message has all required fields set.
def IsInitialized(self, errors=None):
+ """Checks if all required fields of a message are set.
+
+ Args:
+ errors: A list which, if provided, will be populated with the field
+ paths of all missing required fields.
+
+ Returns:
+ True iff the specified message has all required fields set.
+ """
+
+ # Performance is critical so we avoid HasField() and ListFields().
+
+ for field in required_fields:
+ if (field not in self._fields or
+ (field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE and
+ not self._fields[field]._is_present_in_parent)):
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ for field, value in list(self._fields.items()): # dict can change size!
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.label == _FieldDescriptor.LABEL_REPEATED:
+ if (field.message_type.has_options and
+ field.message_type.GetOptions().map_entry):
+ continue
+ for element in value:
+ if not element.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+ elif value._is_present_in_parent and not value.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ return True
+
+def ListFields(self)
+def ListFields(self):
+ all_fields = [item for item in self._fields.items() if _IsPresent(item)]
+ all_fields.sort(key = lambda item: item[0].number)
+ return all_fields
+
+def MergeFrom(self, msg)
+def MergeFrom(self, msg):
+ if not isinstance(msg, cls):
+ raise TypeError(
+ 'Parameter to MergeFrom() must be instance of same class: '
+ 'expected %s got %s.' % (cls.__name__, msg.__class__.__name__))
+
+ assert msg is not self
+ self._Modified()
+
+ fields = self._fields
+
+ for field, value in msg._fields.items():
+ if field.label == LABEL_REPEATED:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ elif field.cpp_type == CPPTYPE_MESSAGE:
+ if value._is_present_in_parent:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ else:
+ self._fields[field] = value
+ if field.containing_oneof:
+ self._UpdateOneofState(field)
+
+ if msg._unknown_fields:
+ if not self._unknown_fields:
+ self._unknown_fields = []
+ self._unknown_fields.extend(msg._unknown_fields)
+ # pylint: disable=protected-access
+ if self._unknown_field_set is None:
+ self._unknown_field_set = containers.UnknownFieldSet()
+ self._unknown_field_set._extend(msg._unknown_field_set)
+
+def MergeFromString(self, serialized)
+def MergeFromString(self, serialized):
+ if isinstance(serialized, memoryview) and six.PY2:
+ raise TypeError(
+ 'memoryview not supported in Python 2 with the pure Python proto '
+ 'implementation: this is to maintain compatibility with the C++ '
+ 'implementation')
+
+ serialized = memoryview(serialized)
+ length = len(serialized)
+ try:
+ if self._InternalParse(serialized, 0, length) != length:
+ # The only reason _InternalParse would return early is if it
+ # encountered an end-group tag.
+ raise message_mod.DecodeError('Unexpected end-group tag.')
+ except (IndexError, TypeError):
+ # Now ord(buf[p:p+1]) == ord('') gets TypeError.
+ raise message_mod.DecodeError('Truncated message.')
+ except struct.error as e:
+ raise message_mod.DecodeError(e)
+ return length # Return this for legacy reasons.
+
+def SerializePartialToString(self, **kwargs)
+def SerializePartialToString(self, **kwargs):
+ out = BytesIO()
+ self._InternalSerialize(out.write, **kwargs)
+ return out.getvalue()
+
+def SerializeToString(self, **kwargs)
+def SerializeToString(self, **kwargs):
+ # Check if the message has all of its required fields set.
+ if not self.IsInitialized():
+ raise message_mod.EncodeError(
+ 'Message %s is missing required fields: %s' % (
+ self.DESCRIPTOR.full_name, ','.join(self.FindInitializationErrors())))
+ return self.SerializePartialToString(**kwargs)
+
+def SetInParent(self)
+Sets the _cached_byte_size_dirty bit to true, +and propagates this to our listener iff this was a state change.
def Modified(self):
+ """Sets the _cached_byte_size_dirty bit to true,
+ and propagates this to our listener iff this was a state change.
+ """
+
+ # Note: Some callers check _cached_byte_size_dirty before calling
+ # _Modified() as an extra optimization. So, if this method is ever
+ # changed such that it does stuff even when _cached_byte_size_dirty is
+ # already true, the callers need to be updated.
+ if not self._cached_byte_size_dirty:
+ self._cached_byte_size_dirty = True
+ self._listener_for_children.dirty = True
+ self._is_present_in_parent = True
+ self._listener.Modified()
+
+def UnknownFields(self)
+def _UnknownFields(self):
+ if self._unknown_field_set is None: # pylint: disable=protected-access
+ # pylint: disable=protected-access
+ self._unknown_field_set = containers.UnknownFieldSet()
+ return self._unknown_field_set # pylint: disable=protected-access
+
+def WhichOneof(self, oneof_name)
+Returns the name of the currently set field inside a oneof, or None.
def WhichOneof(self, oneof_name):
+ """Returns the name of the currently set field inside a oneof, or None."""
+ try:
+ field = message_descriptor.oneofs_by_name[oneof_name]
+ except KeyError:
+ raise ValueError(
+ 'Protocol message has no oneof "%s" field.' % oneof_name)
+
+ nested_field = self._oneofs.get(field, None)
+ if nested_field is not None and self.HasField(nested_field.name):
+ return nested_field.name
+ else:
+ return None
+
class MeshPacket
-(*args, **kwargs)
+(**kwargs)
A ProtocolMessage
Abstract base class for protocol messages.
+Protocol message classes are almost always generated by the protocol +compiler. +These generated types subclass Message and implement the methods +shown below.
var DECODED_FIELD_NUMBERvar DESCRIPTORvar ENCRYPTED_FIELD_NUMBERvar FROM_FIELD_NUMBERvar HOP_LIMIT_FIELD_NUMBERvar ID_FIELD_NUMBERvar RX_SNR_FIELD_NUMBERvar RX_TIME_FIELD_NUMBERvar TO_FIELD_NUMBERvar WANT_ACK_FIELD_NUMBER
+def FromString(s)
+def FromString(s):
+ message = cls()
+ message.MergeFromString(s)
+ return message
+
+def RegisterExtension(extension_handle)
+def RegisterExtension(extension_handle):
+ extension_handle.containing_type = cls.DESCRIPTOR
+ # TODO(amauryfa): Use cls.MESSAGE_FACTORY.pool when available.
+ # pylint: disable=protected-access
+ cls.DESCRIPTOR.file.pool._AddExtensionDescriptor(extension_handle)
+ _AttachFieldHelpers(cls, extension_handle)
+var decodedField MeshPacket.decoded
Getter for decoded.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var encryptedField MeshPacket.encrypted
Getter for encrypted.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var fromField MeshPacket.from
Getter for from.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var hop_limitField MeshPacket.hop_limit
Getter for hop_limit.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var idField MeshPacket.id
Getter for id.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var rx_snrField MeshPacket.rx_snr
Getter for rx_snr.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var rx_timeField MeshPacket.rx_time
Getter for rx_time.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var toField MeshPacket.to
Getter for to.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var want_ackField MeshPacket.want_ack
Getter for want_ack.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+
+def ByteSize(self)
+def ByteSize(self):
+ if not self._cached_byte_size_dirty:
+ return self._cached_byte_size
+
+ size = 0
+ descriptor = self.DESCRIPTOR
+ if descriptor.GetOptions().map_entry:
+ # Fields of map entry should always be serialized.
+ size = descriptor.fields_by_name['key']._sizer(self.key)
+ size += descriptor.fields_by_name['value']._sizer(self.value)
+ else:
+ for field_descriptor, field_value in self.ListFields():
+ size += field_descriptor._sizer(field_value)
+ for tag_bytes, value_bytes in self._unknown_fields:
+ size += len(tag_bytes) + len(value_bytes)
+
+ self._cached_byte_size = size
+ self._cached_byte_size_dirty = False
+ self._listener_for_children.dirty = False
+ return size
+
+def Clear(self)
+def _Clear(self):
+ # Clear fields.
+ self._fields = {}
+ self._unknown_fields = ()
+ # pylint: disable=protected-access
+ if self._unknown_field_set is not None:
+ self._unknown_field_set._clear()
+ self._unknown_field_set = None
+
+ self._oneofs = {}
+ self._Modified()
+
+def ClearField(self, field_name)
+def ClearField(self, field_name):
+ try:
+ field = message_descriptor.fields_by_name[field_name]
+ except KeyError:
+ try:
+ field = message_descriptor.oneofs_by_name[field_name]
+ if field in self._oneofs:
+ field = self._oneofs[field]
+ else:
+ return
+ except KeyError:
+ raise ValueError('Protocol message %s has no "%s" field.' %
+ (message_descriptor.name, field_name))
+
+ if field in self._fields:
+ # To match the C++ implementation, we need to invalidate iterators
+ # for map fields when ClearField() happens.
+ if hasattr(self._fields[field], 'InvalidateIterators'):
+ self._fields[field].InvalidateIterators()
+
+ # Note: If the field is a sub-message, its listener will still point
+ # at us. That's fine, because the worst than can happen is that it
+ # will call _Modified() and invalidate our byte size. Big deal.
+ del self._fields[field]
+
+ if self._oneofs.get(field.containing_oneof, None) is field:
+ del self._oneofs[field.containing_oneof]
+
+ # Always call _Modified() -- even if nothing was changed, this is
+ # a mutating method, and thus calling it should cause the field to become
+ # present in the parent message.
+ self._Modified()
+
+def DiscardUnknownFields(self)
+def _DiscardUnknownFields(self):
+ self._unknown_fields = []
+ self._unknown_field_set = None # pylint: disable=protected-access
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ value[key].DiscardUnknownFields()
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for sub_message in value:
+ sub_message.DiscardUnknownFields()
+ else:
+ value.DiscardUnknownFields()
+
+def FindInitializationErrors(self)
+Finds required fields which are not initialized.
+A list of strings. +Each string is a path to an uninitialized field from +the top-level message, e.g. "foo.bar[5].baz".
def FindInitializationErrors(self):
+ """Finds required fields which are not initialized.
+
+ Returns:
+ A list of strings. Each string is a path to an uninitialized field from
+ the top-level message, e.g. "foo.bar[5].baz".
+ """
+
+ errors = [] # simplify things
+
+ for field in required_fields:
+ if not self.HasField(field.name):
+ errors.append(field.name)
+
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.is_extension:
+ name = '(%s)' % field.full_name
+ else:
+ name = field.name
+
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ element = value[key]
+ prefix = '%s[%s].' % (name, key)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ # ScalarMaps can't have any initialization errors.
+ pass
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for i in range(len(value)):
+ element = value[i]
+ prefix = '%s[%d].' % (name, i)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ prefix = name + '.'
+ sub_errors = value.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+
+ return errors
+
+def HasField(self, field_name)
+def HasField(self, field_name):
+ try:
+ field = hassable_fields[field_name]
+ except KeyError:
+ raise ValueError(error_msg % (message_descriptor.full_name, field_name))
+
+ if isinstance(field, descriptor_mod.OneofDescriptor):
+ try:
+ return HasField(self, self._oneofs[field].name)
+ except KeyError:
+ return False
+ else:
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ value = self._fields.get(field)
+ return value is not None and value._is_present_in_parent
+ else:
+ return field in self._fields
+
+def IsInitialized(self, errors=None)
+Checks if all required fields of a message are set.
+errorsTrue iff the specified message has all required fields set.
def IsInitialized(self, errors=None):
+ """Checks if all required fields of a message are set.
+
+ Args:
+ errors: A list which, if provided, will be populated with the field
+ paths of all missing required fields.
+
+ Returns:
+ True iff the specified message has all required fields set.
+ """
+
+ # Performance is critical so we avoid HasField() and ListFields().
+
+ for field in required_fields:
+ if (field not in self._fields or
+ (field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE and
+ not self._fields[field]._is_present_in_parent)):
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ for field, value in list(self._fields.items()): # dict can change size!
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.label == _FieldDescriptor.LABEL_REPEATED:
+ if (field.message_type.has_options and
+ field.message_type.GetOptions().map_entry):
+ continue
+ for element in value:
+ if not element.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+ elif value._is_present_in_parent and not value.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ return True
+
+def ListFields(self)
+def ListFields(self):
+ all_fields = [item for item in self._fields.items() if _IsPresent(item)]
+ all_fields.sort(key = lambda item: item[0].number)
+ return all_fields
+
+def MergeFrom(self, msg)
+def MergeFrom(self, msg):
+ if not isinstance(msg, cls):
+ raise TypeError(
+ 'Parameter to MergeFrom() must be instance of same class: '
+ 'expected %s got %s.' % (cls.__name__, msg.__class__.__name__))
+
+ assert msg is not self
+ self._Modified()
+
+ fields = self._fields
+
+ for field, value in msg._fields.items():
+ if field.label == LABEL_REPEATED:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ elif field.cpp_type == CPPTYPE_MESSAGE:
+ if value._is_present_in_parent:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ else:
+ self._fields[field] = value
+ if field.containing_oneof:
+ self._UpdateOneofState(field)
+
+ if msg._unknown_fields:
+ if not self._unknown_fields:
+ self._unknown_fields = []
+ self._unknown_fields.extend(msg._unknown_fields)
+ # pylint: disable=protected-access
+ if self._unknown_field_set is None:
+ self._unknown_field_set = containers.UnknownFieldSet()
+ self._unknown_field_set._extend(msg._unknown_field_set)
+
+def MergeFromString(self, serialized)
+def MergeFromString(self, serialized):
+ if isinstance(serialized, memoryview) and six.PY2:
+ raise TypeError(
+ 'memoryview not supported in Python 2 with the pure Python proto '
+ 'implementation: this is to maintain compatibility with the C++ '
+ 'implementation')
+
+ serialized = memoryview(serialized)
+ length = len(serialized)
+ try:
+ if self._InternalParse(serialized, 0, length) != length:
+ # The only reason _InternalParse would return early is if it
+ # encountered an end-group tag.
+ raise message_mod.DecodeError('Unexpected end-group tag.')
+ except (IndexError, TypeError):
+ # Now ord(buf[p:p+1]) == ord('') gets TypeError.
+ raise message_mod.DecodeError('Truncated message.')
+ except struct.error as e:
+ raise message_mod.DecodeError(e)
+ return length # Return this for legacy reasons.
+
+def SerializePartialToString(self, **kwargs)
+def SerializePartialToString(self, **kwargs):
+ out = BytesIO()
+ self._InternalSerialize(out.write, **kwargs)
+ return out.getvalue()
+
+def SerializeToString(self, **kwargs)
+def SerializeToString(self, **kwargs):
+ # Check if the message has all of its required fields set.
+ if not self.IsInitialized():
+ raise message_mod.EncodeError(
+ 'Message %s is missing required fields: %s' % (
+ self.DESCRIPTOR.full_name, ','.join(self.FindInitializationErrors())))
+ return self.SerializePartialToString(**kwargs)
+
+def SetInParent(self)
+Sets the _cached_byte_size_dirty bit to true, +and propagates this to our listener iff this was a state change.
def Modified(self):
+ """Sets the _cached_byte_size_dirty bit to true,
+ and propagates this to our listener iff this was a state change.
+ """
+
+ # Note: Some callers check _cached_byte_size_dirty before calling
+ # _Modified() as an extra optimization. So, if this method is ever
+ # changed such that it does stuff even when _cached_byte_size_dirty is
+ # already true, the callers need to be updated.
+ if not self._cached_byte_size_dirty:
+ self._cached_byte_size_dirty = True
+ self._listener_for_children.dirty = True
+ self._is_present_in_parent = True
+ self._listener.Modified()
+
+def UnknownFields(self)
+def _UnknownFields(self):
+ if self._unknown_field_set is None: # pylint: disable=protected-access
+ # pylint: disable=protected-access
+ self._unknown_field_set = containers.UnknownFieldSet()
+ return self._unknown_field_set # pylint: disable=protected-access
+
+def WhichOneof(self, oneof_name)
+Returns the name of the currently set field inside a oneof, or None.
def WhichOneof(self, oneof_name):
+ """Returns the name of the currently set field inside a oneof, or None."""
+ try:
+ field = message_descriptor.oneofs_by_name[oneof_name]
+ except KeyError:
+ raise ValueError(
+ 'Protocol message has no oneof "%s" field.' % oneof_name)
+
+ nested_field = self._oneofs.get(field, None)
+ if nested_field is not None and self.HasField(nested_field.name):
+ return nested_field.name
+ else:
+ return None
+
class MyNodeInfo
-(*args, **kwargs)
+(**kwargs)
A ProtocolMessage
Abstract base class for protocol messages.
+Protocol message classes are almost always generated by the protocol +compiler. +These generated types subclass Message and implement the methods +shown below.
var CURRENT_PACKET_ID_FIELD_NUMBERvar DESCRIPTORvar ERROR_ADDRESS_FIELD_NUMBERvar ERROR_CODE_FIELD_NUMBERvar ERROR_COUNT_FIELD_NUMBERvar FIRMWARE_VERSION_FIELD_NUMBERvar HAS_GPS_FIELD_NUMBERvar HW_MODEL_FIELD_NUMBERvar MESSAGE_TIMEOUT_MSEC_FIELD_NUMBERvar MIN_APP_VERSION_FIELD_NUMBERvar MY_NODE_NUM_FIELD_NUMBERvar NODE_NUM_BITS_FIELD_NUMBERvar NUM_CHANNELS_FIELD_NUMBERvar PACKET_ID_BITS_FIELD_NUMBERvar REGION_FIELD_NUMBER
+def FromString(s)
+def FromString(s):
+ message = cls()
+ message.MergeFromString(s)
+ return message
+
+def RegisterExtension(extension_handle)
+def RegisterExtension(extension_handle):
+ extension_handle.containing_type = cls.DESCRIPTOR
+ # TODO(amauryfa): Use cls.MESSAGE_FACTORY.pool when available.
+ # pylint: disable=protected-access
+ cls.DESCRIPTOR.file.pool._AddExtensionDescriptor(extension_handle)
+ _AttachFieldHelpers(cls, extension_handle)
+var current_packet_idField MyNodeInfo.current_packet_id
Getter for current_packet_id.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var error_addressField MyNodeInfo.error_address
Getter for error_address.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var error_codeField MyNodeInfo.error_code
Getter for error_code.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var error_countField MyNodeInfo.error_count
Getter for error_count.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var firmware_versionField MyNodeInfo.firmware_version
Getter for firmware_version.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var has_gpsField MyNodeInfo.has_gps
Getter for has_gps.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var hw_modelField MyNodeInfo.hw_model
Getter for hw_model.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var message_timeout_msecField MyNodeInfo.message_timeout_msec
Getter for message_timeout_msec.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var min_app_versionField MyNodeInfo.min_app_version
Getter for min_app_version.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var my_node_numField MyNodeInfo.my_node_num
Getter for my_node_num.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var node_num_bitsField MyNodeInfo.node_num_bits
Getter for node_num_bits.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var num_channelsField MyNodeInfo.num_channels
Getter for num_channels.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var packet_id_bitsField MyNodeInfo.packet_id_bits
Getter for packet_id_bits.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var regionField MyNodeInfo.region
Getter for region.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+
+def ByteSize(self)
+def ByteSize(self):
+ if not self._cached_byte_size_dirty:
+ return self._cached_byte_size
+
+ size = 0
+ descriptor = self.DESCRIPTOR
+ if descriptor.GetOptions().map_entry:
+ # Fields of map entry should always be serialized.
+ size = descriptor.fields_by_name['key']._sizer(self.key)
+ size += descriptor.fields_by_name['value']._sizer(self.value)
+ else:
+ for field_descriptor, field_value in self.ListFields():
+ size += field_descriptor._sizer(field_value)
+ for tag_bytes, value_bytes in self._unknown_fields:
+ size += len(tag_bytes) + len(value_bytes)
+
+ self._cached_byte_size = size
+ self._cached_byte_size_dirty = False
+ self._listener_for_children.dirty = False
+ return size
+
+def Clear(self)
+def _Clear(self):
+ # Clear fields.
+ self._fields = {}
+ self._unknown_fields = ()
+ # pylint: disable=protected-access
+ if self._unknown_field_set is not None:
+ self._unknown_field_set._clear()
+ self._unknown_field_set = None
+
+ self._oneofs = {}
+ self._Modified()
+
+def ClearField(self, field_name)
+def ClearField(self, field_name):
+ try:
+ field = message_descriptor.fields_by_name[field_name]
+ except KeyError:
+ try:
+ field = message_descriptor.oneofs_by_name[field_name]
+ if field in self._oneofs:
+ field = self._oneofs[field]
+ else:
+ return
+ except KeyError:
+ raise ValueError('Protocol message %s has no "%s" field.' %
+ (message_descriptor.name, field_name))
+
+ if field in self._fields:
+ # To match the C++ implementation, we need to invalidate iterators
+ # for map fields when ClearField() happens.
+ if hasattr(self._fields[field], 'InvalidateIterators'):
+ self._fields[field].InvalidateIterators()
+
+ # Note: If the field is a sub-message, its listener will still point
+ # at us. That's fine, because the worst than can happen is that it
+ # will call _Modified() and invalidate our byte size. Big deal.
+ del self._fields[field]
+
+ if self._oneofs.get(field.containing_oneof, None) is field:
+ del self._oneofs[field.containing_oneof]
+
+ # Always call _Modified() -- even if nothing was changed, this is
+ # a mutating method, and thus calling it should cause the field to become
+ # present in the parent message.
+ self._Modified()
+
+def DiscardUnknownFields(self)
+def _DiscardUnknownFields(self):
+ self._unknown_fields = []
+ self._unknown_field_set = None # pylint: disable=protected-access
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ value[key].DiscardUnknownFields()
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for sub_message in value:
+ sub_message.DiscardUnknownFields()
+ else:
+ value.DiscardUnknownFields()
+
+def FindInitializationErrors(self)
+Finds required fields which are not initialized.
+A list of strings. +Each string is a path to an uninitialized field from +the top-level message, e.g. "foo.bar[5].baz".
def FindInitializationErrors(self):
+ """Finds required fields which are not initialized.
+
+ Returns:
+ A list of strings. Each string is a path to an uninitialized field from
+ the top-level message, e.g. "foo.bar[5].baz".
+ """
+
+ errors = [] # simplify things
+
+ for field in required_fields:
+ if not self.HasField(field.name):
+ errors.append(field.name)
+
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.is_extension:
+ name = '(%s)' % field.full_name
+ else:
+ name = field.name
+
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ element = value[key]
+ prefix = '%s[%s].' % (name, key)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ # ScalarMaps can't have any initialization errors.
+ pass
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for i in range(len(value)):
+ element = value[i]
+ prefix = '%s[%d].' % (name, i)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ prefix = name + '.'
+ sub_errors = value.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+
+ return errors
+
+def HasField(self, field_name)
+def HasField(self, field_name):
+ try:
+ field = hassable_fields[field_name]
+ except KeyError:
+ raise ValueError(error_msg % (message_descriptor.full_name, field_name))
+
+ if isinstance(field, descriptor_mod.OneofDescriptor):
+ try:
+ return HasField(self, self._oneofs[field].name)
+ except KeyError:
+ return False
+ else:
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ value = self._fields.get(field)
+ return value is not None and value._is_present_in_parent
+ else:
+ return field in self._fields
+
+def IsInitialized(self, errors=None)
+Checks if all required fields of a message are set.
+errorsTrue iff the specified message has all required fields set.
def IsInitialized(self, errors=None):
+ """Checks if all required fields of a message are set.
+
+ Args:
+ errors: A list which, if provided, will be populated with the field
+ paths of all missing required fields.
+
+ Returns:
+ True iff the specified message has all required fields set.
+ """
+
+ # Performance is critical so we avoid HasField() and ListFields().
+
+ for field in required_fields:
+ if (field not in self._fields or
+ (field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE and
+ not self._fields[field]._is_present_in_parent)):
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ for field, value in list(self._fields.items()): # dict can change size!
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.label == _FieldDescriptor.LABEL_REPEATED:
+ if (field.message_type.has_options and
+ field.message_type.GetOptions().map_entry):
+ continue
+ for element in value:
+ if not element.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+ elif value._is_present_in_parent and not value.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ return True
+
+def ListFields(self)
+def ListFields(self):
+ all_fields = [item for item in self._fields.items() if _IsPresent(item)]
+ all_fields.sort(key = lambda item: item[0].number)
+ return all_fields
+
+def MergeFrom(self, msg)
+def MergeFrom(self, msg):
+ if not isinstance(msg, cls):
+ raise TypeError(
+ 'Parameter to MergeFrom() must be instance of same class: '
+ 'expected %s got %s.' % (cls.__name__, msg.__class__.__name__))
+
+ assert msg is not self
+ self._Modified()
+
+ fields = self._fields
+
+ for field, value in msg._fields.items():
+ if field.label == LABEL_REPEATED:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ elif field.cpp_type == CPPTYPE_MESSAGE:
+ if value._is_present_in_parent:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ else:
+ self._fields[field] = value
+ if field.containing_oneof:
+ self._UpdateOneofState(field)
+
+ if msg._unknown_fields:
+ if not self._unknown_fields:
+ self._unknown_fields = []
+ self._unknown_fields.extend(msg._unknown_fields)
+ # pylint: disable=protected-access
+ if self._unknown_field_set is None:
+ self._unknown_field_set = containers.UnknownFieldSet()
+ self._unknown_field_set._extend(msg._unknown_field_set)
+
+def MergeFromString(self, serialized)
+def MergeFromString(self, serialized):
+ if isinstance(serialized, memoryview) and six.PY2:
+ raise TypeError(
+ 'memoryview not supported in Python 2 with the pure Python proto '
+ 'implementation: this is to maintain compatibility with the C++ '
+ 'implementation')
+
+ serialized = memoryview(serialized)
+ length = len(serialized)
+ try:
+ if self._InternalParse(serialized, 0, length) != length:
+ # The only reason _InternalParse would return early is if it
+ # encountered an end-group tag.
+ raise message_mod.DecodeError('Unexpected end-group tag.')
+ except (IndexError, TypeError):
+ # Now ord(buf[p:p+1]) == ord('') gets TypeError.
+ raise message_mod.DecodeError('Truncated message.')
+ except struct.error as e:
+ raise message_mod.DecodeError(e)
+ return length # Return this for legacy reasons.
+
+def SerializePartialToString(self, **kwargs)
+def SerializePartialToString(self, **kwargs):
+ out = BytesIO()
+ self._InternalSerialize(out.write, **kwargs)
+ return out.getvalue()
+
+def SerializeToString(self, **kwargs)
+def SerializeToString(self, **kwargs):
+ # Check if the message has all of its required fields set.
+ if not self.IsInitialized():
+ raise message_mod.EncodeError(
+ 'Message %s is missing required fields: %s' % (
+ self.DESCRIPTOR.full_name, ','.join(self.FindInitializationErrors())))
+ return self.SerializePartialToString(**kwargs)
+
+def SetInParent(self)
+Sets the _cached_byte_size_dirty bit to true, +and propagates this to our listener iff this was a state change.
def Modified(self):
+ """Sets the _cached_byte_size_dirty bit to true,
+ and propagates this to our listener iff this was a state change.
+ """
+
+ # Note: Some callers check _cached_byte_size_dirty before calling
+ # _Modified() as an extra optimization. So, if this method is ever
+ # changed such that it does stuff even when _cached_byte_size_dirty is
+ # already true, the callers need to be updated.
+ if not self._cached_byte_size_dirty:
+ self._cached_byte_size_dirty = True
+ self._listener_for_children.dirty = True
+ self._is_present_in_parent = True
+ self._listener.Modified()
+
+def UnknownFields(self)
+def _UnknownFields(self):
+ if self._unknown_field_set is None: # pylint: disable=protected-access
+ # pylint: disable=protected-access
+ self._unknown_field_set = containers.UnknownFieldSet()
+ return self._unknown_field_set # pylint: disable=protected-access
+
+def WhichOneof(self, oneof_name)
+Returns the name of the currently set field inside a oneof, or None.
def WhichOneof(self, oneof_name):
+ """Returns the name of the currently set field inside a oneof, or None."""
+ try:
+ field = message_descriptor.oneofs_by_name[oneof_name]
+ except KeyError:
+ raise ValueError(
+ 'Protocol message has no oneof "%s" field.' % oneof_name)
+
+ nested_field = self._oneofs.get(field, None)
+ if nested_field is not None and self.HasField(nested_field.name):
+ return nested_field.name
+ else:
+ return None
+
class NodeInfo
-(*args, **kwargs)
+(**kwargs)
A ProtocolMessage
Abstract base class for protocol messages.
+Protocol message classes are almost always generated by the protocol +compiler. +These generated types subclass Message and implement the methods +shown below.
var NEXT_HOP_FIELD_NUMBERvar NUM_FIELD_NUMBERvar POSITION_FIELD_NUMBERvar SNR_FIELD_NUMBERvar USER_FIELD_NUMBER
+def FromString(s)
+def FromString(s):
+ message = cls()
+ message.MergeFromString(s)
+ return message
+
+def RegisterExtension(extension_handle)
+def RegisterExtension(extension_handle):
+ extension_handle.containing_type = cls.DESCRIPTOR
+ # TODO(amauryfa): Use cls.MESSAGE_FACTORY.pool when available.
+ # pylint: disable=protected-access
+ cls.DESCRIPTOR.file.pool._AddExtensionDescriptor(extension_handle)
+ _AttachFieldHelpers(cls, extension_handle)
+var next_hopField NodeInfo.next_hop
Getter for next_hop.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var numField NodeInfo.num
Getter for num.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var positionField NodeInfo.position
Getter for position.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var snrField NodeInfo.snr
Getter for snr.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var userField NodeInfo.user
Getter for user.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+
+def ByteSize(self)
+def ByteSize(self):
+ if not self._cached_byte_size_dirty:
+ return self._cached_byte_size
+
+ size = 0
+ descriptor = self.DESCRIPTOR
+ if descriptor.GetOptions().map_entry:
+ # Fields of map entry should always be serialized.
+ size = descriptor.fields_by_name['key']._sizer(self.key)
+ size += descriptor.fields_by_name['value']._sizer(self.value)
+ else:
+ for field_descriptor, field_value in self.ListFields():
+ size += field_descriptor._sizer(field_value)
+ for tag_bytes, value_bytes in self._unknown_fields:
+ size += len(tag_bytes) + len(value_bytes)
+
+ self._cached_byte_size = size
+ self._cached_byte_size_dirty = False
+ self._listener_for_children.dirty = False
+ return size
+
+def Clear(self)
+def _Clear(self):
+ # Clear fields.
+ self._fields = {}
+ self._unknown_fields = ()
+ # pylint: disable=protected-access
+ if self._unknown_field_set is not None:
+ self._unknown_field_set._clear()
+ self._unknown_field_set = None
+
+ self._oneofs = {}
+ self._Modified()
+
+def ClearField(self, field_name)
+def ClearField(self, field_name):
+ try:
+ field = message_descriptor.fields_by_name[field_name]
+ except KeyError:
+ try:
+ field = message_descriptor.oneofs_by_name[field_name]
+ if field in self._oneofs:
+ field = self._oneofs[field]
+ else:
+ return
+ except KeyError:
+ raise ValueError('Protocol message %s has no "%s" field.' %
+ (message_descriptor.name, field_name))
+
+ if field in self._fields:
+ # To match the C++ implementation, we need to invalidate iterators
+ # for map fields when ClearField() happens.
+ if hasattr(self._fields[field], 'InvalidateIterators'):
+ self._fields[field].InvalidateIterators()
+
+ # Note: If the field is a sub-message, its listener will still point
+ # at us. That's fine, because the worst than can happen is that it
+ # will call _Modified() and invalidate our byte size. Big deal.
+ del self._fields[field]
+
+ if self._oneofs.get(field.containing_oneof, None) is field:
+ del self._oneofs[field.containing_oneof]
+
+ # Always call _Modified() -- even if nothing was changed, this is
+ # a mutating method, and thus calling it should cause the field to become
+ # present in the parent message.
+ self._Modified()
+
+def DiscardUnknownFields(self)
+def _DiscardUnknownFields(self):
+ self._unknown_fields = []
+ self._unknown_field_set = None # pylint: disable=protected-access
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ value[key].DiscardUnknownFields()
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for sub_message in value:
+ sub_message.DiscardUnknownFields()
+ else:
+ value.DiscardUnknownFields()
+
+def FindInitializationErrors(self)
+Finds required fields which are not initialized.
+A list of strings. +Each string is a path to an uninitialized field from +the top-level message, e.g. "foo.bar[5].baz".
def FindInitializationErrors(self):
+ """Finds required fields which are not initialized.
+
+ Returns:
+ A list of strings. Each string is a path to an uninitialized field from
+ the top-level message, e.g. "foo.bar[5].baz".
+ """
+
+ errors = [] # simplify things
+
+ for field in required_fields:
+ if not self.HasField(field.name):
+ errors.append(field.name)
+
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.is_extension:
+ name = '(%s)' % field.full_name
+ else:
+ name = field.name
+
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ element = value[key]
+ prefix = '%s[%s].' % (name, key)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ # ScalarMaps can't have any initialization errors.
+ pass
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for i in range(len(value)):
+ element = value[i]
+ prefix = '%s[%d].' % (name, i)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ prefix = name + '.'
+ sub_errors = value.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+
+ return errors
+
+def HasField(self, field_name)
+def HasField(self, field_name):
+ try:
+ field = hassable_fields[field_name]
+ except KeyError:
+ raise ValueError(error_msg % (message_descriptor.full_name, field_name))
+
+ if isinstance(field, descriptor_mod.OneofDescriptor):
+ try:
+ return HasField(self, self._oneofs[field].name)
+ except KeyError:
+ return False
+ else:
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ value = self._fields.get(field)
+ return value is not None and value._is_present_in_parent
+ else:
+ return field in self._fields
+
+def IsInitialized(self, errors=None)
+Checks if all required fields of a message are set.
+errorsTrue iff the specified message has all required fields set.
def IsInitialized(self, errors=None):
+ """Checks if all required fields of a message are set.
+
+ Args:
+ errors: A list which, if provided, will be populated with the field
+ paths of all missing required fields.
+
+ Returns:
+ True iff the specified message has all required fields set.
+ """
+
+ # Performance is critical so we avoid HasField() and ListFields().
+
+ for field in required_fields:
+ if (field not in self._fields or
+ (field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE and
+ not self._fields[field]._is_present_in_parent)):
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ for field, value in list(self._fields.items()): # dict can change size!
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.label == _FieldDescriptor.LABEL_REPEATED:
+ if (field.message_type.has_options and
+ field.message_type.GetOptions().map_entry):
+ continue
+ for element in value:
+ if not element.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+ elif value._is_present_in_parent and not value.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ return True
+
+def ListFields(self)
+def ListFields(self):
+ all_fields = [item for item in self._fields.items() if _IsPresent(item)]
+ all_fields.sort(key = lambda item: item[0].number)
+ return all_fields
+
+def MergeFrom(self, msg)
+def MergeFrom(self, msg):
+ if not isinstance(msg, cls):
+ raise TypeError(
+ 'Parameter to MergeFrom() must be instance of same class: '
+ 'expected %s got %s.' % (cls.__name__, msg.__class__.__name__))
+
+ assert msg is not self
+ self._Modified()
+
+ fields = self._fields
+
+ for field, value in msg._fields.items():
+ if field.label == LABEL_REPEATED:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ elif field.cpp_type == CPPTYPE_MESSAGE:
+ if value._is_present_in_parent:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ else:
+ self._fields[field] = value
+ if field.containing_oneof:
+ self._UpdateOneofState(field)
+
+ if msg._unknown_fields:
+ if not self._unknown_fields:
+ self._unknown_fields = []
+ self._unknown_fields.extend(msg._unknown_fields)
+ # pylint: disable=protected-access
+ if self._unknown_field_set is None:
+ self._unknown_field_set = containers.UnknownFieldSet()
+ self._unknown_field_set._extend(msg._unknown_field_set)
+
+def MergeFromString(self, serialized)
+def MergeFromString(self, serialized):
+ if isinstance(serialized, memoryview) and six.PY2:
+ raise TypeError(
+ 'memoryview not supported in Python 2 with the pure Python proto '
+ 'implementation: this is to maintain compatibility with the C++ '
+ 'implementation')
+
+ serialized = memoryview(serialized)
+ length = len(serialized)
+ try:
+ if self._InternalParse(serialized, 0, length) != length:
+ # The only reason _InternalParse would return early is if it
+ # encountered an end-group tag.
+ raise message_mod.DecodeError('Unexpected end-group tag.')
+ except (IndexError, TypeError):
+ # Now ord(buf[p:p+1]) == ord('') gets TypeError.
+ raise message_mod.DecodeError('Truncated message.')
+ except struct.error as e:
+ raise message_mod.DecodeError(e)
+ return length # Return this for legacy reasons.
+
+def SerializePartialToString(self, **kwargs)
+def SerializePartialToString(self, **kwargs):
+ out = BytesIO()
+ self._InternalSerialize(out.write, **kwargs)
+ return out.getvalue()
+
+def SerializeToString(self, **kwargs)
+def SerializeToString(self, **kwargs):
+ # Check if the message has all of its required fields set.
+ if not self.IsInitialized():
+ raise message_mod.EncodeError(
+ 'Message %s is missing required fields: %s' % (
+ self.DESCRIPTOR.full_name, ','.join(self.FindInitializationErrors())))
+ return self.SerializePartialToString(**kwargs)
+
+def SetInParent(self)
+Sets the _cached_byte_size_dirty bit to true, +and propagates this to our listener iff this was a state change.
def Modified(self):
+ """Sets the _cached_byte_size_dirty bit to true,
+ and propagates this to our listener iff this was a state change.
+ """
+
+ # Note: Some callers check _cached_byte_size_dirty before calling
+ # _Modified() as an extra optimization. So, if this method is ever
+ # changed such that it does stuff even when _cached_byte_size_dirty is
+ # already true, the callers need to be updated.
+ if not self._cached_byte_size_dirty:
+ self._cached_byte_size_dirty = True
+ self._listener_for_children.dirty = True
+ self._is_present_in_parent = True
+ self._listener.Modified()
+
+def UnknownFields(self)
+def _UnknownFields(self):
+ if self._unknown_field_set is None: # pylint: disable=protected-access
+ # pylint: disable=protected-access
+ self._unknown_field_set = containers.UnknownFieldSet()
+ return self._unknown_field_set # pylint: disable=protected-access
+
+def WhichOneof(self, oneof_name)
+Returns the name of the currently set field inside a oneof, or None.
def WhichOneof(self, oneof_name):
+ """Returns the name of the currently set field inside a oneof, or None."""
+ try:
+ field = message_descriptor.oneofs_by_name[oneof_name]
+ except KeyError:
+ raise ValueError(
+ 'Protocol message has no oneof "%s" field.' % oneof_name)
+
+ nested_field = self._oneofs.get(field, None)
+ if nested_field is not None and self.HasField(nested_field.name):
+ return nested_field.name
+ else:
+ return None
+
class Position
-(*args, **kwargs)
+(**kwargs)
A ProtocolMessage
Abstract base class for protocol messages.
+Protocol message classes are almost always generated by the protocol +compiler. +These generated types subclass Message and implement the methods +shown below.
var ALTITUDE_FIELD_NUMBERvar BATTERY_LEVEL_FIELD_NUMBERvar DESCRIPTORvar LATITUDE_I_FIELD_NUMBERvar LONGITUDE_I_FIELD_NUMBERvar TIME_FIELD_NUMBER
+def FromString(s)
+def FromString(s):
+ message = cls()
+ message.MergeFromString(s)
+ return message
+
+def RegisterExtension(extension_handle)
+def RegisterExtension(extension_handle):
+ extension_handle.containing_type = cls.DESCRIPTOR
+ # TODO(amauryfa): Use cls.MESSAGE_FACTORY.pool when available.
+ # pylint: disable=protected-access
+ cls.DESCRIPTOR.file.pool._AddExtensionDescriptor(extension_handle)
+ _AttachFieldHelpers(cls, extension_handle)
+var altitudeField Position.altitude
Getter for altitude.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var battery_levelField Position.battery_level
Getter for battery_level.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var latitude_iField Position.latitude_i
Getter for latitude_i.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var longitude_iField Position.longitude_i
Getter for longitude_i.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var timeField Position.time
Getter for time.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+
+def ByteSize(self)
+def ByteSize(self):
+ if not self._cached_byte_size_dirty:
+ return self._cached_byte_size
+
+ size = 0
+ descriptor = self.DESCRIPTOR
+ if descriptor.GetOptions().map_entry:
+ # Fields of map entry should always be serialized.
+ size = descriptor.fields_by_name['key']._sizer(self.key)
+ size += descriptor.fields_by_name['value']._sizer(self.value)
+ else:
+ for field_descriptor, field_value in self.ListFields():
+ size += field_descriptor._sizer(field_value)
+ for tag_bytes, value_bytes in self._unknown_fields:
+ size += len(tag_bytes) + len(value_bytes)
+
+ self._cached_byte_size = size
+ self._cached_byte_size_dirty = False
+ self._listener_for_children.dirty = False
+ return size
+
+def Clear(self)
+def _Clear(self):
+ # Clear fields.
+ self._fields = {}
+ self._unknown_fields = ()
+ # pylint: disable=protected-access
+ if self._unknown_field_set is not None:
+ self._unknown_field_set._clear()
+ self._unknown_field_set = None
+
+ self._oneofs = {}
+ self._Modified()
+
+def ClearField(self, field_name)
+def ClearField(self, field_name):
+ try:
+ field = message_descriptor.fields_by_name[field_name]
+ except KeyError:
+ try:
+ field = message_descriptor.oneofs_by_name[field_name]
+ if field in self._oneofs:
+ field = self._oneofs[field]
+ else:
+ return
+ except KeyError:
+ raise ValueError('Protocol message %s has no "%s" field.' %
+ (message_descriptor.name, field_name))
+
+ if field in self._fields:
+ # To match the C++ implementation, we need to invalidate iterators
+ # for map fields when ClearField() happens.
+ if hasattr(self._fields[field], 'InvalidateIterators'):
+ self._fields[field].InvalidateIterators()
+
+ # Note: If the field is a sub-message, its listener will still point
+ # at us. That's fine, because the worst than can happen is that it
+ # will call _Modified() and invalidate our byte size. Big deal.
+ del self._fields[field]
+
+ if self._oneofs.get(field.containing_oneof, None) is field:
+ del self._oneofs[field.containing_oneof]
+
+ # Always call _Modified() -- even if nothing was changed, this is
+ # a mutating method, and thus calling it should cause the field to become
+ # present in the parent message.
+ self._Modified()
+
+def DiscardUnknownFields(self)
+def _DiscardUnknownFields(self):
+ self._unknown_fields = []
+ self._unknown_field_set = None # pylint: disable=protected-access
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ value[key].DiscardUnknownFields()
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for sub_message in value:
+ sub_message.DiscardUnknownFields()
+ else:
+ value.DiscardUnknownFields()
+
+def FindInitializationErrors(self)
+Finds required fields which are not initialized.
+A list of strings. +Each string is a path to an uninitialized field from +the top-level message, e.g. "foo.bar[5].baz".
def FindInitializationErrors(self):
+ """Finds required fields which are not initialized.
+
+ Returns:
+ A list of strings. Each string is a path to an uninitialized field from
+ the top-level message, e.g. "foo.bar[5].baz".
+ """
+
+ errors = [] # simplify things
+
+ for field in required_fields:
+ if not self.HasField(field.name):
+ errors.append(field.name)
+
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.is_extension:
+ name = '(%s)' % field.full_name
+ else:
+ name = field.name
+
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ element = value[key]
+ prefix = '%s[%s].' % (name, key)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ # ScalarMaps can't have any initialization errors.
+ pass
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for i in range(len(value)):
+ element = value[i]
+ prefix = '%s[%d].' % (name, i)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ prefix = name + '.'
+ sub_errors = value.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+
+ return errors
+
+def HasField(self, field_name)
+def HasField(self, field_name):
+ try:
+ field = hassable_fields[field_name]
+ except KeyError:
+ raise ValueError(error_msg % (message_descriptor.full_name, field_name))
+
+ if isinstance(field, descriptor_mod.OneofDescriptor):
+ try:
+ return HasField(self, self._oneofs[field].name)
+ except KeyError:
+ return False
+ else:
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ value = self._fields.get(field)
+ return value is not None and value._is_present_in_parent
+ else:
+ return field in self._fields
+
+def IsInitialized(self, errors=None)
+Checks if all required fields of a message are set.
+errorsTrue iff the specified message has all required fields set.
def IsInitialized(self, errors=None):
+ """Checks if all required fields of a message are set.
+
+ Args:
+ errors: A list which, if provided, will be populated with the field
+ paths of all missing required fields.
+
+ Returns:
+ True iff the specified message has all required fields set.
+ """
+
+ # Performance is critical so we avoid HasField() and ListFields().
+
+ for field in required_fields:
+ if (field not in self._fields or
+ (field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE and
+ not self._fields[field]._is_present_in_parent)):
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ for field, value in list(self._fields.items()): # dict can change size!
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.label == _FieldDescriptor.LABEL_REPEATED:
+ if (field.message_type.has_options and
+ field.message_type.GetOptions().map_entry):
+ continue
+ for element in value:
+ if not element.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+ elif value._is_present_in_parent and not value.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ return True
+
+def ListFields(self)
+def ListFields(self):
+ all_fields = [item for item in self._fields.items() if _IsPresent(item)]
+ all_fields.sort(key = lambda item: item[0].number)
+ return all_fields
+
+def MergeFrom(self, msg)
+def MergeFrom(self, msg):
+ if not isinstance(msg, cls):
+ raise TypeError(
+ 'Parameter to MergeFrom() must be instance of same class: '
+ 'expected %s got %s.' % (cls.__name__, msg.__class__.__name__))
+
+ assert msg is not self
+ self._Modified()
+
+ fields = self._fields
+
+ for field, value in msg._fields.items():
+ if field.label == LABEL_REPEATED:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ elif field.cpp_type == CPPTYPE_MESSAGE:
+ if value._is_present_in_parent:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ else:
+ self._fields[field] = value
+ if field.containing_oneof:
+ self._UpdateOneofState(field)
+
+ if msg._unknown_fields:
+ if not self._unknown_fields:
+ self._unknown_fields = []
+ self._unknown_fields.extend(msg._unknown_fields)
+ # pylint: disable=protected-access
+ if self._unknown_field_set is None:
+ self._unknown_field_set = containers.UnknownFieldSet()
+ self._unknown_field_set._extend(msg._unknown_field_set)
+
+def MergeFromString(self, serialized)
+def MergeFromString(self, serialized):
+ if isinstance(serialized, memoryview) and six.PY2:
+ raise TypeError(
+ 'memoryview not supported in Python 2 with the pure Python proto '
+ 'implementation: this is to maintain compatibility with the C++ '
+ 'implementation')
+
+ serialized = memoryview(serialized)
+ length = len(serialized)
+ try:
+ if self._InternalParse(serialized, 0, length) != length:
+ # The only reason _InternalParse would return early is if it
+ # encountered an end-group tag.
+ raise message_mod.DecodeError('Unexpected end-group tag.')
+ except (IndexError, TypeError):
+ # Now ord(buf[p:p+1]) == ord('') gets TypeError.
+ raise message_mod.DecodeError('Truncated message.')
+ except struct.error as e:
+ raise message_mod.DecodeError(e)
+ return length # Return this for legacy reasons.
+
+def SerializePartialToString(self, **kwargs)
+def SerializePartialToString(self, **kwargs):
+ out = BytesIO()
+ self._InternalSerialize(out.write, **kwargs)
+ return out.getvalue()
+
+def SerializeToString(self, **kwargs)
+def SerializeToString(self, **kwargs):
+ # Check if the message has all of its required fields set.
+ if not self.IsInitialized():
+ raise message_mod.EncodeError(
+ 'Message %s is missing required fields: %s' % (
+ self.DESCRIPTOR.full_name, ','.join(self.FindInitializationErrors())))
+ return self.SerializePartialToString(**kwargs)
+
+def SetInParent(self)
+Sets the _cached_byte_size_dirty bit to true, +and propagates this to our listener iff this was a state change.
def Modified(self):
+ """Sets the _cached_byte_size_dirty bit to true,
+ and propagates this to our listener iff this was a state change.
+ """
+
+ # Note: Some callers check _cached_byte_size_dirty before calling
+ # _Modified() as an extra optimization. So, if this method is ever
+ # changed such that it does stuff even when _cached_byte_size_dirty is
+ # already true, the callers need to be updated.
+ if not self._cached_byte_size_dirty:
+ self._cached_byte_size_dirty = True
+ self._listener_for_children.dirty = True
+ self._is_present_in_parent = True
+ self._listener.Modified()
+
+def UnknownFields(self)
+def _UnknownFields(self):
+ if self._unknown_field_set is None: # pylint: disable=protected-access
+ # pylint: disable=protected-access
+ self._unknown_field_set = containers.UnknownFieldSet()
+ return self._unknown_field_set # pylint: disable=protected-access
+
+def WhichOneof(self, oneof_name)
+Returns the name of the currently set field inside a oneof, or None.
def WhichOneof(self, oneof_name):
+ """Returns the name of the currently set field inside a oneof, or None."""
+ try:
+ field = message_descriptor.oneofs_by_name[oneof_name]
+ except KeyError:
+ raise ValueError(
+ 'Protocol message has no oneof "%s" field.' % oneof_name)
+
+ nested_field = self._oneofs.get(field, None)
+ if nested_field is not None and self.HasField(nested_field.name):
+ return nested_field.name
+ else:
+ return None
+
class RadioConfig
-(*args, **kwargs)
+(**kwargs)
A ProtocolMessage
Abstract base class for protocol messages.
+Protocol message classes are almost always generated by the protocol +compiler. +These generated types subclass Message and implement the methods +shown below.
var CHANNEL_SETTINGS_FIELD_NUMBERvar DESCRIPTORvar PREFERENCES_FIELD_NUMBERvar UserPreferencesA ProtocolMessage
Abstract base class for protocol messages.
+Protocol message classes are almost always generated by the protocol +compiler. +These generated types subclass Message and implement the methods +shown below.
+def FromString(s)
+def FromString(s):
+ message = cls()
+ message.MergeFromString(s)
+ return message
+
+def RegisterExtension(extension_handle)
+def RegisterExtension(extension_handle):
+ extension_handle.containing_type = cls.DESCRIPTOR
+ # TODO(amauryfa): Use cls.MESSAGE_FACTORY.pool when available.
+ # pylint: disable=protected-access
+ cls.DESCRIPTOR.file.pool._AddExtensionDescriptor(extension_handle)
+ _AttachFieldHelpers(cls, extension_handle)
+var channel_settingsField RadioConfig.channel_settings
Getter for channel_settings.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var preferencesField RadioConfig.preferences
Getter for preferences.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+
+def ByteSize(self)
+def ByteSize(self):
+ if not self._cached_byte_size_dirty:
+ return self._cached_byte_size
+
+ size = 0
+ descriptor = self.DESCRIPTOR
+ if descriptor.GetOptions().map_entry:
+ # Fields of map entry should always be serialized.
+ size = descriptor.fields_by_name['key']._sizer(self.key)
+ size += descriptor.fields_by_name['value']._sizer(self.value)
+ else:
+ for field_descriptor, field_value in self.ListFields():
+ size += field_descriptor._sizer(field_value)
+ for tag_bytes, value_bytes in self._unknown_fields:
+ size += len(tag_bytes) + len(value_bytes)
+
+ self._cached_byte_size = size
+ self._cached_byte_size_dirty = False
+ self._listener_for_children.dirty = False
+ return size
+
+def Clear(self)
+def _Clear(self):
+ # Clear fields.
+ self._fields = {}
+ self._unknown_fields = ()
+ # pylint: disable=protected-access
+ if self._unknown_field_set is not None:
+ self._unknown_field_set._clear()
+ self._unknown_field_set = None
+
+ self._oneofs = {}
+ self._Modified()
+
+def ClearField(self, field_name)
+def ClearField(self, field_name):
+ try:
+ field = message_descriptor.fields_by_name[field_name]
+ except KeyError:
+ try:
+ field = message_descriptor.oneofs_by_name[field_name]
+ if field in self._oneofs:
+ field = self._oneofs[field]
+ else:
+ return
+ except KeyError:
+ raise ValueError('Protocol message %s has no "%s" field.' %
+ (message_descriptor.name, field_name))
+
+ if field in self._fields:
+ # To match the C++ implementation, we need to invalidate iterators
+ # for map fields when ClearField() happens.
+ if hasattr(self._fields[field], 'InvalidateIterators'):
+ self._fields[field].InvalidateIterators()
+
+ # Note: If the field is a sub-message, its listener will still point
+ # at us. That's fine, because the worst than can happen is that it
+ # will call _Modified() and invalidate our byte size. Big deal.
+ del self._fields[field]
+
+ if self._oneofs.get(field.containing_oneof, None) is field:
+ del self._oneofs[field.containing_oneof]
+
+ # Always call _Modified() -- even if nothing was changed, this is
+ # a mutating method, and thus calling it should cause the field to become
+ # present in the parent message.
+ self._Modified()
+
+def DiscardUnknownFields(self)
+def _DiscardUnknownFields(self):
+ self._unknown_fields = []
+ self._unknown_field_set = None # pylint: disable=protected-access
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ value[key].DiscardUnknownFields()
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for sub_message in value:
+ sub_message.DiscardUnknownFields()
+ else:
+ value.DiscardUnknownFields()
+
+def FindInitializationErrors(self)
+Finds required fields which are not initialized.
+A list of strings. +Each string is a path to an uninitialized field from +the top-level message, e.g. "foo.bar[5].baz".
def FindInitializationErrors(self):
+ """Finds required fields which are not initialized.
+
+ Returns:
+ A list of strings. Each string is a path to an uninitialized field from
+ the top-level message, e.g. "foo.bar[5].baz".
+ """
+
+ errors = [] # simplify things
+
+ for field in required_fields:
+ if not self.HasField(field.name):
+ errors.append(field.name)
+
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.is_extension:
+ name = '(%s)' % field.full_name
+ else:
+ name = field.name
+
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ element = value[key]
+ prefix = '%s[%s].' % (name, key)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ # ScalarMaps can't have any initialization errors.
+ pass
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for i in range(len(value)):
+ element = value[i]
+ prefix = '%s[%d].' % (name, i)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ prefix = name + '.'
+ sub_errors = value.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+
+ return errors
+
+def HasField(self, field_name)
+def HasField(self, field_name):
+ try:
+ field = hassable_fields[field_name]
+ except KeyError:
+ raise ValueError(error_msg % (message_descriptor.full_name, field_name))
+
+ if isinstance(field, descriptor_mod.OneofDescriptor):
+ try:
+ return HasField(self, self._oneofs[field].name)
+ except KeyError:
+ return False
+ else:
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ value = self._fields.get(field)
+ return value is not None and value._is_present_in_parent
+ else:
+ return field in self._fields
+
+def IsInitialized(self, errors=None)
+Checks if all required fields of a message are set.
+errorsTrue iff the specified message has all required fields set.
def IsInitialized(self, errors=None):
+ """Checks if all required fields of a message are set.
+
+ Args:
+ errors: A list which, if provided, will be populated with the field
+ paths of all missing required fields.
+
+ Returns:
+ True iff the specified message has all required fields set.
+ """
+
+ # Performance is critical so we avoid HasField() and ListFields().
+
+ for field in required_fields:
+ if (field not in self._fields or
+ (field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE and
+ not self._fields[field]._is_present_in_parent)):
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ for field, value in list(self._fields.items()): # dict can change size!
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.label == _FieldDescriptor.LABEL_REPEATED:
+ if (field.message_type.has_options and
+ field.message_type.GetOptions().map_entry):
+ continue
+ for element in value:
+ if not element.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+ elif value._is_present_in_parent and not value.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ return True
+
+def ListFields(self)
+def ListFields(self):
+ all_fields = [item for item in self._fields.items() if _IsPresent(item)]
+ all_fields.sort(key = lambda item: item[0].number)
+ return all_fields
+
+def MergeFrom(self, msg)
+def MergeFrom(self, msg):
+ if not isinstance(msg, cls):
+ raise TypeError(
+ 'Parameter to MergeFrom() must be instance of same class: '
+ 'expected %s got %s.' % (cls.__name__, msg.__class__.__name__))
+
+ assert msg is not self
+ self._Modified()
+
+ fields = self._fields
+
+ for field, value in msg._fields.items():
+ if field.label == LABEL_REPEATED:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ elif field.cpp_type == CPPTYPE_MESSAGE:
+ if value._is_present_in_parent:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ else:
+ self._fields[field] = value
+ if field.containing_oneof:
+ self._UpdateOneofState(field)
+
+ if msg._unknown_fields:
+ if not self._unknown_fields:
+ self._unknown_fields = []
+ self._unknown_fields.extend(msg._unknown_fields)
+ # pylint: disable=protected-access
+ if self._unknown_field_set is None:
+ self._unknown_field_set = containers.UnknownFieldSet()
+ self._unknown_field_set._extend(msg._unknown_field_set)
+
+def MergeFromString(self, serialized)
+def MergeFromString(self, serialized):
+ if isinstance(serialized, memoryview) and six.PY2:
+ raise TypeError(
+ 'memoryview not supported in Python 2 with the pure Python proto '
+ 'implementation: this is to maintain compatibility with the C++ '
+ 'implementation')
+
+ serialized = memoryview(serialized)
+ length = len(serialized)
+ try:
+ if self._InternalParse(serialized, 0, length) != length:
+ # The only reason _InternalParse would return early is if it
+ # encountered an end-group tag.
+ raise message_mod.DecodeError('Unexpected end-group tag.')
+ except (IndexError, TypeError):
+ # Now ord(buf[p:p+1]) == ord('') gets TypeError.
+ raise message_mod.DecodeError('Truncated message.')
+ except struct.error as e:
+ raise message_mod.DecodeError(e)
+ return length # Return this for legacy reasons.
+
+def SerializePartialToString(self, **kwargs)
+def SerializePartialToString(self, **kwargs):
+ out = BytesIO()
+ self._InternalSerialize(out.write, **kwargs)
+ return out.getvalue()
+
+def SerializeToString(self, **kwargs)
+def SerializeToString(self, **kwargs):
+ # Check if the message has all of its required fields set.
+ if not self.IsInitialized():
+ raise message_mod.EncodeError(
+ 'Message %s is missing required fields: %s' % (
+ self.DESCRIPTOR.full_name, ','.join(self.FindInitializationErrors())))
+ return self.SerializePartialToString(**kwargs)
+
+def SetInParent(self)
+Sets the _cached_byte_size_dirty bit to true, +and propagates this to our listener iff this was a state change.
def Modified(self):
+ """Sets the _cached_byte_size_dirty bit to true,
+ and propagates this to our listener iff this was a state change.
+ """
+
+ # Note: Some callers check _cached_byte_size_dirty before calling
+ # _Modified() as an extra optimization. So, if this method is ever
+ # changed such that it does stuff even when _cached_byte_size_dirty is
+ # already true, the callers need to be updated.
+ if not self._cached_byte_size_dirty:
+ self._cached_byte_size_dirty = True
+ self._listener_for_children.dirty = True
+ self._is_present_in_parent = True
+ self._listener.Modified()
+
+def UnknownFields(self)
+def _UnknownFields(self):
+ if self._unknown_field_set is None: # pylint: disable=protected-access
+ # pylint: disable=protected-access
+ self._unknown_field_set = containers.UnknownFieldSet()
+ return self._unknown_field_set # pylint: disable=protected-access
+
+def WhichOneof(self, oneof_name)
+Returns the name of the currently set field inside a oneof, or None.
def WhichOneof(self, oneof_name):
+ """Returns the name of the currently set field inside a oneof, or None."""
+ try:
+ field = message_descriptor.oneofs_by_name[oneof_name]
+ except KeyError:
+ raise ValueError(
+ 'Protocol message has no oneof "%s" field.' % oneof_name)
+
+ nested_field = self._oneofs.get(field, None)
+ if nested_field is not None and self.HasField(nested_field.name):
+ return nested_field.name
+ else:
+ return None
+
class RouteDiscovery
-(*args, **kwargs)
+(**kwargs)
A ProtocolMessage
Abstract base class for protocol messages.
+Protocol message classes are almost always generated by the protocol +compiler. +These generated types subclass Message and implement the methods +shown below.
var ROUTE_FIELD_NUMBER
+def FromString(s)
+def FromString(s):
+ message = cls()
+ message.MergeFromString(s)
+ return message
+
+def RegisterExtension(extension_handle)
+def RegisterExtension(extension_handle):
+ extension_handle.containing_type = cls.DESCRIPTOR
+ # TODO(amauryfa): Use cls.MESSAGE_FACTORY.pool when available.
+ # pylint: disable=protected-access
+ cls.DESCRIPTOR.file.pool._AddExtensionDescriptor(extension_handle)
+ _AttachFieldHelpers(cls, extension_handle)
+var routeField RouteDiscovery.route
Getter for route.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+
+def ByteSize(self)
+def ByteSize(self):
+ if not self._cached_byte_size_dirty:
+ return self._cached_byte_size
+
+ size = 0
+ descriptor = self.DESCRIPTOR
+ if descriptor.GetOptions().map_entry:
+ # Fields of map entry should always be serialized.
+ size = descriptor.fields_by_name['key']._sizer(self.key)
+ size += descriptor.fields_by_name['value']._sizer(self.value)
+ else:
+ for field_descriptor, field_value in self.ListFields():
+ size += field_descriptor._sizer(field_value)
+ for tag_bytes, value_bytes in self._unknown_fields:
+ size += len(tag_bytes) + len(value_bytes)
+
+ self._cached_byte_size = size
+ self._cached_byte_size_dirty = False
+ self._listener_for_children.dirty = False
+ return size
+
+def Clear(self)
+def _Clear(self):
+ # Clear fields.
+ self._fields = {}
+ self._unknown_fields = ()
+ # pylint: disable=protected-access
+ if self._unknown_field_set is not None:
+ self._unknown_field_set._clear()
+ self._unknown_field_set = None
+
+ self._oneofs = {}
+ self._Modified()
+
+def ClearField(self, field_name)
+def ClearField(self, field_name):
+ try:
+ field = message_descriptor.fields_by_name[field_name]
+ except KeyError:
+ try:
+ field = message_descriptor.oneofs_by_name[field_name]
+ if field in self._oneofs:
+ field = self._oneofs[field]
+ else:
+ return
+ except KeyError:
+ raise ValueError('Protocol message %s has no "%s" field.' %
+ (message_descriptor.name, field_name))
+
+ if field in self._fields:
+ # To match the C++ implementation, we need to invalidate iterators
+ # for map fields when ClearField() happens.
+ if hasattr(self._fields[field], 'InvalidateIterators'):
+ self._fields[field].InvalidateIterators()
+
+ # Note: If the field is a sub-message, its listener will still point
+ # at us. That's fine, because the worst than can happen is that it
+ # will call _Modified() and invalidate our byte size. Big deal.
+ del self._fields[field]
+
+ if self._oneofs.get(field.containing_oneof, None) is field:
+ del self._oneofs[field.containing_oneof]
+
+ # Always call _Modified() -- even if nothing was changed, this is
+ # a mutating method, and thus calling it should cause the field to become
+ # present in the parent message.
+ self._Modified()
+
+def DiscardUnknownFields(self)
+def _DiscardUnknownFields(self):
+ self._unknown_fields = []
+ self._unknown_field_set = None # pylint: disable=protected-access
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ value[key].DiscardUnknownFields()
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for sub_message in value:
+ sub_message.DiscardUnknownFields()
+ else:
+ value.DiscardUnknownFields()
+
+def FindInitializationErrors(self)
+Finds required fields which are not initialized.
+A list of strings. +Each string is a path to an uninitialized field from +the top-level message, e.g. "foo.bar[5].baz".
def FindInitializationErrors(self):
+ """Finds required fields which are not initialized.
+
+ Returns:
+ A list of strings. Each string is a path to an uninitialized field from
+ the top-level message, e.g. "foo.bar[5].baz".
+ """
+
+ errors = [] # simplify things
+
+ for field in required_fields:
+ if not self.HasField(field.name):
+ errors.append(field.name)
+
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.is_extension:
+ name = '(%s)' % field.full_name
+ else:
+ name = field.name
+
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ element = value[key]
+ prefix = '%s[%s].' % (name, key)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ # ScalarMaps can't have any initialization errors.
+ pass
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for i in range(len(value)):
+ element = value[i]
+ prefix = '%s[%d].' % (name, i)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ prefix = name + '.'
+ sub_errors = value.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+
+ return errors
+
+def HasField(self, field_name)
+def HasField(self, field_name):
+ try:
+ field = hassable_fields[field_name]
+ except KeyError:
+ raise ValueError(error_msg % (message_descriptor.full_name, field_name))
+
+ if isinstance(field, descriptor_mod.OneofDescriptor):
+ try:
+ return HasField(self, self._oneofs[field].name)
+ except KeyError:
+ return False
+ else:
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ value = self._fields.get(field)
+ return value is not None and value._is_present_in_parent
+ else:
+ return field in self._fields
+
+def IsInitialized(self, errors=None)
+Checks if all required fields of a message are set.
+errorsTrue iff the specified message has all required fields set.
def IsInitialized(self, errors=None):
+ """Checks if all required fields of a message are set.
+
+ Args:
+ errors: A list which, if provided, will be populated with the field
+ paths of all missing required fields.
+
+ Returns:
+ True iff the specified message has all required fields set.
+ """
+
+ # Performance is critical so we avoid HasField() and ListFields().
+
+ for field in required_fields:
+ if (field not in self._fields or
+ (field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE and
+ not self._fields[field]._is_present_in_parent)):
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ for field, value in list(self._fields.items()): # dict can change size!
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.label == _FieldDescriptor.LABEL_REPEATED:
+ if (field.message_type.has_options and
+ field.message_type.GetOptions().map_entry):
+ continue
+ for element in value:
+ if not element.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+ elif value._is_present_in_parent and not value.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ return True
+
+def ListFields(self)
+def ListFields(self):
+ all_fields = [item for item in self._fields.items() if _IsPresent(item)]
+ all_fields.sort(key = lambda item: item[0].number)
+ return all_fields
+
+def MergeFrom(self, msg)
+def MergeFrom(self, msg):
+ if not isinstance(msg, cls):
+ raise TypeError(
+ 'Parameter to MergeFrom() must be instance of same class: '
+ 'expected %s got %s.' % (cls.__name__, msg.__class__.__name__))
+
+ assert msg is not self
+ self._Modified()
+
+ fields = self._fields
+
+ for field, value in msg._fields.items():
+ if field.label == LABEL_REPEATED:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ elif field.cpp_type == CPPTYPE_MESSAGE:
+ if value._is_present_in_parent:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ else:
+ self._fields[field] = value
+ if field.containing_oneof:
+ self._UpdateOneofState(field)
+
+ if msg._unknown_fields:
+ if not self._unknown_fields:
+ self._unknown_fields = []
+ self._unknown_fields.extend(msg._unknown_fields)
+ # pylint: disable=protected-access
+ if self._unknown_field_set is None:
+ self._unknown_field_set = containers.UnknownFieldSet()
+ self._unknown_field_set._extend(msg._unknown_field_set)
+
+def MergeFromString(self, serialized)
+def MergeFromString(self, serialized):
+ if isinstance(serialized, memoryview) and six.PY2:
+ raise TypeError(
+ 'memoryview not supported in Python 2 with the pure Python proto '
+ 'implementation: this is to maintain compatibility with the C++ '
+ 'implementation')
+
+ serialized = memoryview(serialized)
+ length = len(serialized)
+ try:
+ if self._InternalParse(serialized, 0, length) != length:
+ # The only reason _InternalParse would return early is if it
+ # encountered an end-group tag.
+ raise message_mod.DecodeError('Unexpected end-group tag.')
+ except (IndexError, TypeError):
+ # Now ord(buf[p:p+1]) == ord('') gets TypeError.
+ raise message_mod.DecodeError('Truncated message.')
+ except struct.error as e:
+ raise message_mod.DecodeError(e)
+ return length # Return this for legacy reasons.
+
+def SerializePartialToString(self, **kwargs)
+def SerializePartialToString(self, **kwargs):
+ out = BytesIO()
+ self._InternalSerialize(out.write, **kwargs)
+ return out.getvalue()
+
+def SerializeToString(self, **kwargs)
+def SerializeToString(self, **kwargs):
+ # Check if the message has all of its required fields set.
+ if not self.IsInitialized():
+ raise message_mod.EncodeError(
+ 'Message %s is missing required fields: %s' % (
+ self.DESCRIPTOR.full_name, ','.join(self.FindInitializationErrors())))
+ return self.SerializePartialToString(**kwargs)
+
+def SetInParent(self)
+Sets the _cached_byte_size_dirty bit to true, +and propagates this to our listener iff this was a state change.
def Modified(self):
+ """Sets the _cached_byte_size_dirty bit to true,
+ and propagates this to our listener iff this was a state change.
+ """
+
+ # Note: Some callers check _cached_byte_size_dirty before calling
+ # _Modified() as an extra optimization. So, if this method is ever
+ # changed such that it does stuff even when _cached_byte_size_dirty is
+ # already true, the callers need to be updated.
+ if not self._cached_byte_size_dirty:
+ self._cached_byte_size_dirty = True
+ self._listener_for_children.dirty = True
+ self._is_present_in_parent = True
+ self._listener.Modified()
+
+def UnknownFields(self)
+def _UnknownFields(self):
+ if self._unknown_field_set is None: # pylint: disable=protected-access
+ # pylint: disable=protected-access
+ self._unknown_field_set = containers.UnknownFieldSet()
+ return self._unknown_field_set # pylint: disable=protected-access
+
+def WhichOneof(self, oneof_name)
+Returns the name of the currently set field inside a oneof, or None.
def WhichOneof(self, oneof_name):
+ """Returns the name of the currently set field inside a oneof, or None."""
+ try:
+ field = message_descriptor.oneofs_by_name[oneof_name]
+ except KeyError:
+ raise ValueError(
+ 'Protocol message has no oneof "%s" field.' % oneof_name)
+
+ nested_field = self._oneofs.get(field, None)
+ if nested_field is not None and self.HasField(nested_field.name):
+ return nested_field.name
+ else:
+ return None
+
class SubPacket
-(*args, **kwargs)
+(**kwargs)
A ProtocolMessage
Abstract base class for protocol messages.
+Protocol message classes are almost always generated by the protocol +compiler. +These generated types subclass Message and implement the methods +shown below.
var DATA_FIELD_NUMBERvar DESCRIPTORvar DEST_FIELD_NUMBERvar FAIL_ID_FIELD_NUMBERvar ORIGINAL_ID_FIELD_NUMBERvar POSITION_FIELD_NUMBERvar ROUTE_ERROR_FIELD_NUMBERvar ROUTE_REPLY_FIELD_NUMBERvar ROUTE_REQUEST_FIELD_NUMBERvar SOURCE_FIELD_NUMBERvar SUCCESS_ID_FIELD_NUMBERvar USER_FIELD_NUMBERvar WANT_RESPONSE_FIELD_NUMBER
+def FromString(s)
+def FromString(s):
+ message = cls()
+ message.MergeFromString(s)
+ return message
+
+def RegisterExtension(extension_handle)
+def RegisterExtension(extension_handle):
+ extension_handle.containing_type = cls.DESCRIPTOR
+ # TODO(amauryfa): Use cls.MESSAGE_FACTORY.pool when available.
+ # pylint: disable=protected-access
+ cls.DESCRIPTOR.file.pool._AddExtensionDescriptor(extension_handle)
+ _AttachFieldHelpers(cls, extension_handle)
+var dataField SubPacket.data
Getter for data.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var destField SubPacket.dest
Getter for dest.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var fail_idField SubPacket.fail_id
Getter for fail_id.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var original_idField SubPacket.original_id
Getter for original_id.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var positionField SubPacket.position
Getter for position.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var route_errorField SubPacket.route_error
Getter for route_error.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var route_replyField SubPacket.route_reply
Getter for route_reply.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var route_requestField SubPacket.route_request
Getter for route_request.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var sourceField SubPacket.source
Getter for source.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var success_idField SubPacket.success_id
Getter for success_id.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var userField SubPacket.user
Getter for user.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var want_responseField SubPacket.want_response
Getter for want_response.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+
+def ByteSize(self)
+def ByteSize(self):
+ if not self._cached_byte_size_dirty:
+ return self._cached_byte_size
+
+ size = 0
+ descriptor = self.DESCRIPTOR
+ if descriptor.GetOptions().map_entry:
+ # Fields of map entry should always be serialized.
+ size = descriptor.fields_by_name['key']._sizer(self.key)
+ size += descriptor.fields_by_name['value']._sizer(self.value)
+ else:
+ for field_descriptor, field_value in self.ListFields():
+ size += field_descriptor._sizer(field_value)
+ for tag_bytes, value_bytes in self._unknown_fields:
+ size += len(tag_bytes) + len(value_bytes)
+
+ self._cached_byte_size = size
+ self._cached_byte_size_dirty = False
+ self._listener_for_children.dirty = False
+ return size
+
+def Clear(self)
+def _Clear(self):
+ # Clear fields.
+ self._fields = {}
+ self._unknown_fields = ()
+ # pylint: disable=protected-access
+ if self._unknown_field_set is not None:
+ self._unknown_field_set._clear()
+ self._unknown_field_set = None
+
+ self._oneofs = {}
+ self._Modified()
+
+def ClearField(self, field_name)
+def ClearField(self, field_name):
+ try:
+ field = message_descriptor.fields_by_name[field_name]
+ except KeyError:
+ try:
+ field = message_descriptor.oneofs_by_name[field_name]
+ if field in self._oneofs:
+ field = self._oneofs[field]
+ else:
+ return
+ except KeyError:
+ raise ValueError('Protocol message %s has no "%s" field.' %
+ (message_descriptor.name, field_name))
+
+ if field in self._fields:
+ # To match the C++ implementation, we need to invalidate iterators
+ # for map fields when ClearField() happens.
+ if hasattr(self._fields[field], 'InvalidateIterators'):
+ self._fields[field].InvalidateIterators()
+
+ # Note: If the field is a sub-message, its listener will still point
+ # at us. That's fine, because the worst than can happen is that it
+ # will call _Modified() and invalidate our byte size. Big deal.
+ del self._fields[field]
+
+ if self._oneofs.get(field.containing_oneof, None) is field:
+ del self._oneofs[field.containing_oneof]
+
+ # Always call _Modified() -- even if nothing was changed, this is
+ # a mutating method, and thus calling it should cause the field to become
+ # present in the parent message.
+ self._Modified()
+
+def DiscardUnknownFields(self)
+def _DiscardUnknownFields(self):
+ self._unknown_fields = []
+ self._unknown_field_set = None # pylint: disable=protected-access
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ value[key].DiscardUnknownFields()
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for sub_message in value:
+ sub_message.DiscardUnknownFields()
+ else:
+ value.DiscardUnknownFields()
+
+def FindInitializationErrors(self)
+Finds required fields which are not initialized.
+A list of strings. +Each string is a path to an uninitialized field from +the top-level message, e.g. "foo.bar[5].baz".
def FindInitializationErrors(self):
+ """Finds required fields which are not initialized.
+
+ Returns:
+ A list of strings. Each string is a path to an uninitialized field from
+ the top-level message, e.g. "foo.bar[5].baz".
+ """
+
+ errors = [] # simplify things
+
+ for field in required_fields:
+ if not self.HasField(field.name):
+ errors.append(field.name)
+
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.is_extension:
+ name = '(%s)' % field.full_name
+ else:
+ name = field.name
+
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ element = value[key]
+ prefix = '%s[%s].' % (name, key)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ # ScalarMaps can't have any initialization errors.
+ pass
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for i in range(len(value)):
+ element = value[i]
+ prefix = '%s[%d].' % (name, i)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ prefix = name + '.'
+ sub_errors = value.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+
+ return errors
+
+def HasField(self, field_name)
+def HasField(self, field_name):
+ try:
+ field = hassable_fields[field_name]
+ except KeyError:
+ raise ValueError(error_msg % (message_descriptor.full_name, field_name))
+
+ if isinstance(field, descriptor_mod.OneofDescriptor):
+ try:
+ return HasField(self, self._oneofs[field].name)
+ except KeyError:
+ return False
+ else:
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ value = self._fields.get(field)
+ return value is not None and value._is_present_in_parent
+ else:
+ return field in self._fields
+
+def IsInitialized(self, errors=None)
+Checks if all required fields of a message are set.
+errorsTrue iff the specified message has all required fields set.
def IsInitialized(self, errors=None):
+ """Checks if all required fields of a message are set.
+
+ Args:
+ errors: A list which, if provided, will be populated with the field
+ paths of all missing required fields.
+
+ Returns:
+ True iff the specified message has all required fields set.
+ """
+
+ # Performance is critical so we avoid HasField() and ListFields().
+
+ for field in required_fields:
+ if (field not in self._fields or
+ (field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE and
+ not self._fields[field]._is_present_in_parent)):
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ for field, value in list(self._fields.items()): # dict can change size!
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.label == _FieldDescriptor.LABEL_REPEATED:
+ if (field.message_type.has_options and
+ field.message_type.GetOptions().map_entry):
+ continue
+ for element in value:
+ if not element.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+ elif value._is_present_in_parent and not value.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ return True
+
+def ListFields(self)
+def ListFields(self):
+ all_fields = [item for item in self._fields.items() if _IsPresent(item)]
+ all_fields.sort(key = lambda item: item[0].number)
+ return all_fields
+
+def MergeFrom(self, msg)
+def MergeFrom(self, msg):
+ if not isinstance(msg, cls):
+ raise TypeError(
+ 'Parameter to MergeFrom() must be instance of same class: '
+ 'expected %s got %s.' % (cls.__name__, msg.__class__.__name__))
+
+ assert msg is not self
+ self._Modified()
+
+ fields = self._fields
+
+ for field, value in msg._fields.items():
+ if field.label == LABEL_REPEATED:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ elif field.cpp_type == CPPTYPE_MESSAGE:
+ if value._is_present_in_parent:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ else:
+ self._fields[field] = value
+ if field.containing_oneof:
+ self._UpdateOneofState(field)
+
+ if msg._unknown_fields:
+ if not self._unknown_fields:
+ self._unknown_fields = []
+ self._unknown_fields.extend(msg._unknown_fields)
+ # pylint: disable=protected-access
+ if self._unknown_field_set is None:
+ self._unknown_field_set = containers.UnknownFieldSet()
+ self._unknown_field_set._extend(msg._unknown_field_set)
+
+def MergeFromString(self, serialized)
+def MergeFromString(self, serialized):
+ if isinstance(serialized, memoryview) and six.PY2:
+ raise TypeError(
+ 'memoryview not supported in Python 2 with the pure Python proto '
+ 'implementation: this is to maintain compatibility with the C++ '
+ 'implementation')
+
+ serialized = memoryview(serialized)
+ length = len(serialized)
+ try:
+ if self._InternalParse(serialized, 0, length) != length:
+ # The only reason _InternalParse would return early is if it
+ # encountered an end-group tag.
+ raise message_mod.DecodeError('Unexpected end-group tag.')
+ except (IndexError, TypeError):
+ # Now ord(buf[p:p+1]) == ord('') gets TypeError.
+ raise message_mod.DecodeError('Truncated message.')
+ except struct.error as e:
+ raise message_mod.DecodeError(e)
+ return length # Return this for legacy reasons.
+
+def SerializePartialToString(self, **kwargs)
+def SerializePartialToString(self, **kwargs):
+ out = BytesIO()
+ self._InternalSerialize(out.write, **kwargs)
+ return out.getvalue()
+
+def SerializeToString(self, **kwargs)
+def SerializeToString(self, **kwargs):
+ # Check if the message has all of its required fields set.
+ if not self.IsInitialized():
+ raise message_mod.EncodeError(
+ 'Message %s is missing required fields: %s' % (
+ self.DESCRIPTOR.full_name, ','.join(self.FindInitializationErrors())))
+ return self.SerializePartialToString(**kwargs)
+
+def SetInParent(self)
+Sets the _cached_byte_size_dirty bit to true, +and propagates this to our listener iff this was a state change.
def Modified(self):
+ """Sets the _cached_byte_size_dirty bit to true,
+ and propagates this to our listener iff this was a state change.
+ """
+
+ # Note: Some callers check _cached_byte_size_dirty before calling
+ # _Modified() as an extra optimization. So, if this method is ever
+ # changed such that it does stuff even when _cached_byte_size_dirty is
+ # already true, the callers need to be updated.
+ if not self._cached_byte_size_dirty:
+ self._cached_byte_size_dirty = True
+ self._listener_for_children.dirty = True
+ self._is_present_in_parent = True
+ self._listener.Modified()
+
+def UnknownFields(self)
+def _UnknownFields(self):
+ if self._unknown_field_set is None: # pylint: disable=protected-access
+ # pylint: disable=protected-access
+ self._unknown_field_set = containers.UnknownFieldSet()
+ return self._unknown_field_set # pylint: disable=protected-access
+
+def WhichOneof(self, oneof_name)
+Returns the name of the currently set field inside a oneof, or None.
def WhichOneof(self, oneof_name):
+ """Returns the name of the currently set field inside a oneof, or None."""
+ try:
+ field = message_descriptor.oneofs_by_name[oneof_name]
+ except KeyError:
+ raise ValueError(
+ 'Protocol message has no oneof "%s" field.' % oneof_name)
+
+ nested_field = self._oneofs.get(field, None)
+ if nested_field is not None and self.HasField(nested_field.name):
+ return nested_field.name
+ else:
+ return None
+
class ToRadio
-(*args, **kwargs)
+(**kwargs)
A ProtocolMessage
Abstract base class for protocol messages.
+Protocol message classes are almost always generated by the protocol +compiler. +These generated types subclass Message and implement the methods +shown below.
var PACKET_FIELD_NUMBERvar SET_OWNER_FIELD_NUMBERvar SET_RADIO_FIELD_NUMBERvar WANT_CONFIG_ID_FIELD_NUMBER
+def FromString(s)
+def FromString(s):
+ message = cls()
+ message.MergeFromString(s)
+ return message
+
+def RegisterExtension(extension_handle)
+def RegisterExtension(extension_handle):
+ extension_handle.containing_type = cls.DESCRIPTOR
+ # TODO(amauryfa): Use cls.MESSAGE_FACTORY.pool when available.
+ # pylint: disable=protected-access
+ cls.DESCRIPTOR.file.pool._AddExtensionDescriptor(extension_handle)
+ _AttachFieldHelpers(cls, extension_handle)
+var packetField ToRadio.packet
Getter for packet.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var set_ownerField ToRadio.set_owner
Getter for set_owner.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var set_radioField ToRadio.set_radio
Getter for set_radio.
def getter(self):
+ field_value = self._fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+
+ # Atomically check if another thread has preempted us and, if not, swap
+ # in the new object we just created. If someone has preempted us, we
+ # take that object and discard ours.
+ # WARNING: We are relying on setdefault() being atomic. This is true
+ # in CPython but we haven't investigated others. This warning appears
+ # in several other locations in this file.
+ field_value = self._fields.setdefault(field, field_value)
+ return field_value
+var want_config_idField ToRadio.want_config_id
Getter for want_config_id.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+
+def ByteSize(self)
+def ByteSize(self):
+ if not self._cached_byte_size_dirty:
+ return self._cached_byte_size
+
+ size = 0
+ descriptor = self.DESCRIPTOR
+ if descriptor.GetOptions().map_entry:
+ # Fields of map entry should always be serialized.
+ size = descriptor.fields_by_name['key']._sizer(self.key)
+ size += descriptor.fields_by_name['value']._sizer(self.value)
+ else:
+ for field_descriptor, field_value in self.ListFields():
+ size += field_descriptor._sizer(field_value)
+ for tag_bytes, value_bytes in self._unknown_fields:
+ size += len(tag_bytes) + len(value_bytes)
+
+ self._cached_byte_size = size
+ self._cached_byte_size_dirty = False
+ self._listener_for_children.dirty = False
+ return size
+
+def Clear(self)
+def _Clear(self):
+ # Clear fields.
+ self._fields = {}
+ self._unknown_fields = ()
+ # pylint: disable=protected-access
+ if self._unknown_field_set is not None:
+ self._unknown_field_set._clear()
+ self._unknown_field_set = None
+
+ self._oneofs = {}
+ self._Modified()
+
+def ClearField(self, field_name)
+def ClearField(self, field_name):
+ try:
+ field = message_descriptor.fields_by_name[field_name]
+ except KeyError:
+ try:
+ field = message_descriptor.oneofs_by_name[field_name]
+ if field in self._oneofs:
+ field = self._oneofs[field]
+ else:
+ return
+ except KeyError:
+ raise ValueError('Protocol message %s has no "%s" field.' %
+ (message_descriptor.name, field_name))
+
+ if field in self._fields:
+ # To match the C++ implementation, we need to invalidate iterators
+ # for map fields when ClearField() happens.
+ if hasattr(self._fields[field], 'InvalidateIterators'):
+ self._fields[field].InvalidateIterators()
+
+ # Note: If the field is a sub-message, its listener will still point
+ # at us. That's fine, because the worst than can happen is that it
+ # will call _Modified() and invalidate our byte size. Big deal.
+ del self._fields[field]
+
+ if self._oneofs.get(field.containing_oneof, None) is field:
+ del self._oneofs[field.containing_oneof]
+
+ # Always call _Modified() -- even if nothing was changed, this is
+ # a mutating method, and thus calling it should cause the field to become
+ # present in the parent message.
+ self._Modified()
+
+def DiscardUnknownFields(self)
+def _DiscardUnknownFields(self):
+ self._unknown_fields = []
+ self._unknown_field_set = None # pylint: disable=protected-access
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ value[key].DiscardUnknownFields()
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for sub_message in value:
+ sub_message.DiscardUnknownFields()
+ else:
+ value.DiscardUnknownFields()
+
+def FindInitializationErrors(self)
+Finds required fields which are not initialized.
+A list of strings. +Each string is a path to an uninitialized field from +the top-level message, e.g. "foo.bar[5].baz".
def FindInitializationErrors(self):
+ """Finds required fields which are not initialized.
+
+ Returns:
+ A list of strings. Each string is a path to an uninitialized field from
+ the top-level message, e.g. "foo.bar[5].baz".
+ """
+
+ errors = [] # simplify things
+
+ for field in required_fields:
+ if not self.HasField(field.name):
+ errors.append(field.name)
+
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.is_extension:
+ name = '(%s)' % field.full_name
+ else:
+ name = field.name
+
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ element = value[key]
+ prefix = '%s[%s].' % (name, key)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ # ScalarMaps can't have any initialization errors.
+ pass
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for i in range(len(value)):
+ element = value[i]
+ prefix = '%s[%d].' % (name, i)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ prefix = name + '.'
+ sub_errors = value.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+
+ return errors
+
+def HasField(self, field_name)
+def HasField(self, field_name):
+ try:
+ field = hassable_fields[field_name]
+ except KeyError:
+ raise ValueError(error_msg % (message_descriptor.full_name, field_name))
+
+ if isinstance(field, descriptor_mod.OneofDescriptor):
+ try:
+ return HasField(self, self._oneofs[field].name)
+ except KeyError:
+ return False
+ else:
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ value = self._fields.get(field)
+ return value is not None and value._is_present_in_parent
+ else:
+ return field in self._fields
+
+def IsInitialized(self, errors=None)
+Checks if all required fields of a message are set.
+errorsTrue iff the specified message has all required fields set.
def IsInitialized(self, errors=None):
+ """Checks if all required fields of a message are set.
+
+ Args:
+ errors: A list which, if provided, will be populated with the field
+ paths of all missing required fields.
+
+ Returns:
+ True iff the specified message has all required fields set.
+ """
+
+ # Performance is critical so we avoid HasField() and ListFields().
+
+ for field in required_fields:
+ if (field not in self._fields or
+ (field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE and
+ not self._fields[field]._is_present_in_parent)):
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ for field, value in list(self._fields.items()): # dict can change size!
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.label == _FieldDescriptor.LABEL_REPEATED:
+ if (field.message_type.has_options and
+ field.message_type.GetOptions().map_entry):
+ continue
+ for element in value:
+ if not element.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+ elif value._is_present_in_parent and not value.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ return True
+
+def ListFields(self)
+def ListFields(self):
+ all_fields = [item for item in self._fields.items() if _IsPresent(item)]
+ all_fields.sort(key = lambda item: item[0].number)
+ return all_fields
+
+def MergeFrom(self, msg)
+def MergeFrom(self, msg):
+ if not isinstance(msg, cls):
+ raise TypeError(
+ 'Parameter to MergeFrom() must be instance of same class: '
+ 'expected %s got %s.' % (cls.__name__, msg.__class__.__name__))
+
+ assert msg is not self
+ self._Modified()
+
+ fields = self._fields
+
+ for field, value in msg._fields.items():
+ if field.label == LABEL_REPEATED:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ elif field.cpp_type == CPPTYPE_MESSAGE:
+ if value._is_present_in_parent:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ else:
+ self._fields[field] = value
+ if field.containing_oneof:
+ self._UpdateOneofState(field)
+
+ if msg._unknown_fields:
+ if not self._unknown_fields:
+ self._unknown_fields = []
+ self._unknown_fields.extend(msg._unknown_fields)
+ # pylint: disable=protected-access
+ if self._unknown_field_set is None:
+ self._unknown_field_set = containers.UnknownFieldSet()
+ self._unknown_field_set._extend(msg._unknown_field_set)
+
+def MergeFromString(self, serialized)
+def MergeFromString(self, serialized):
+ if isinstance(serialized, memoryview) and six.PY2:
+ raise TypeError(
+ 'memoryview not supported in Python 2 with the pure Python proto '
+ 'implementation: this is to maintain compatibility with the C++ '
+ 'implementation')
+
+ serialized = memoryview(serialized)
+ length = len(serialized)
+ try:
+ if self._InternalParse(serialized, 0, length) != length:
+ # The only reason _InternalParse would return early is if it
+ # encountered an end-group tag.
+ raise message_mod.DecodeError('Unexpected end-group tag.')
+ except (IndexError, TypeError):
+ # Now ord(buf[p:p+1]) == ord('') gets TypeError.
+ raise message_mod.DecodeError('Truncated message.')
+ except struct.error as e:
+ raise message_mod.DecodeError(e)
+ return length # Return this for legacy reasons.
+
+def SerializePartialToString(self, **kwargs)
+def SerializePartialToString(self, **kwargs):
+ out = BytesIO()
+ self._InternalSerialize(out.write, **kwargs)
+ return out.getvalue()
+
+def SerializeToString(self, **kwargs)
+def SerializeToString(self, **kwargs):
+ # Check if the message has all of its required fields set.
+ if not self.IsInitialized():
+ raise message_mod.EncodeError(
+ 'Message %s is missing required fields: %s' % (
+ self.DESCRIPTOR.full_name, ','.join(self.FindInitializationErrors())))
+ return self.SerializePartialToString(**kwargs)
+
+def SetInParent(self)
+Sets the _cached_byte_size_dirty bit to true, +and propagates this to our listener iff this was a state change.
def Modified(self):
+ """Sets the _cached_byte_size_dirty bit to true,
+ and propagates this to our listener iff this was a state change.
+ """
+
+ # Note: Some callers check _cached_byte_size_dirty before calling
+ # _Modified() as an extra optimization. So, if this method is ever
+ # changed such that it does stuff even when _cached_byte_size_dirty is
+ # already true, the callers need to be updated.
+ if not self._cached_byte_size_dirty:
+ self._cached_byte_size_dirty = True
+ self._listener_for_children.dirty = True
+ self._is_present_in_parent = True
+ self._listener.Modified()
+
+def UnknownFields(self)
+def _UnknownFields(self):
+ if self._unknown_field_set is None: # pylint: disable=protected-access
+ # pylint: disable=protected-access
+ self._unknown_field_set = containers.UnknownFieldSet()
+ return self._unknown_field_set # pylint: disable=protected-access
+
+def WhichOneof(self, oneof_name)
+Returns the name of the currently set field inside a oneof, or None.
def WhichOneof(self, oneof_name):
+ """Returns the name of the currently set field inside a oneof, or None."""
+ try:
+ field = message_descriptor.oneofs_by_name[oneof_name]
+ except KeyError:
+ raise ValueError(
+ 'Protocol message has no oneof "%s" field.' % oneof_name)
+
+ nested_field = self._oneofs.get(field, None)
+ if nested_field is not None and self.HasField(nested_field.name):
+ return nested_field.name
+ else:
+ return None
+
class User
-(*args, **kwargs)
+(**kwargs)
A ProtocolMessage
Abstract base class for protocol messages.
+Protocol message classes are almost always generated by the protocol +compiler. +These generated types subclass Message and implement the methods +shown below.
var ID_FIELD_NUMBERvar LONG_NAME_FIELD_NUMBERvar MACADDR_FIELD_NUMBERvar SHORT_NAME_FIELD_NUMBER
+def FromString(s)
+def FromString(s):
+ message = cls()
+ message.MergeFromString(s)
+ return message
+
+def RegisterExtension(extension_handle)
+def RegisterExtension(extension_handle):
+ extension_handle.containing_type = cls.DESCRIPTOR
+ # TODO(amauryfa): Use cls.MESSAGE_FACTORY.pool when available.
+ # pylint: disable=protected-access
+ cls.DESCRIPTOR.file.pool._AddExtensionDescriptor(extension_handle)
+ _AttachFieldHelpers(cls, extension_handle)
+var idField User.id
Getter for id.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var long_nameField User.long_name
Getter for long_name.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var macaddrField User.macaddr
Getter for macaddr.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+var short_nameField User.short_name
Getter for short_name.
def getter(self):
+ # TODO(protobuf-team): This may be broken since there may not be
+ # default_value. Combine with has_default_value somehow.
+ return self._fields.get(field, default_value)
+
+def ByteSize(self)
+def ByteSize(self):
+ if not self._cached_byte_size_dirty:
+ return self._cached_byte_size
+
+ size = 0
+ descriptor = self.DESCRIPTOR
+ if descriptor.GetOptions().map_entry:
+ # Fields of map entry should always be serialized.
+ size = descriptor.fields_by_name['key']._sizer(self.key)
+ size += descriptor.fields_by_name['value']._sizer(self.value)
+ else:
+ for field_descriptor, field_value in self.ListFields():
+ size += field_descriptor._sizer(field_value)
+ for tag_bytes, value_bytes in self._unknown_fields:
+ size += len(tag_bytes) + len(value_bytes)
+
+ self._cached_byte_size = size
+ self._cached_byte_size_dirty = False
+ self._listener_for_children.dirty = False
+ return size
+
+def Clear(self)
+def _Clear(self):
+ # Clear fields.
+ self._fields = {}
+ self._unknown_fields = ()
+ # pylint: disable=protected-access
+ if self._unknown_field_set is not None:
+ self._unknown_field_set._clear()
+ self._unknown_field_set = None
+
+ self._oneofs = {}
+ self._Modified()
+
+def ClearField(self, field_name)
+def ClearField(self, field_name):
+ try:
+ field = message_descriptor.fields_by_name[field_name]
+ except KeyError:
+ try:
+ field = message_descriptor.oneofs_by_name[field_name]
+ if field in self._oneofs:
+ field = self._oneofs[field]
+ else:
+ return
+ except KeyError:
+ raise ValueError('Protocol message %s has no "%s" field.' %
+ (message_descriptor.name, field_name))
+
+ if field in self._fields:
+ # To match the C++ implementation, we need to invalidate iterators
+ # for map fields when ClearField() happens.
+ if hasattr(self._fields[field], 'InvalidateIterators'):
+ self._fields[field].InvalidateIterators()
+
+ # Note: If the field is a sub-message, its listener will still point
+ # at us. That's fine, because the worst than can happen is that it
+ # will call _Modified() and invalidate our byte size. Big deal.
+ del self._fields[field]
+
+ if self._oneofs.get(field.containing_oneof, None) is field:
+ del self._oneofs[field.containing_oneof]
+
+ # Always call _Modified() -- even if nothing was changed, this is
+ # a mutating method, and thus calling it should cause the field to become
+ # present in the parent message.
+ self._Modified()
+
+def DiscardUnknownFields(self)
+def _DiscardUnknownFields(self):
+ self._unknown_fields = []
+ self._unknown_field_set = None # pylint: disable=protected-access
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ value[key].DiscardUnknownFields()
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for sub_message in value:
+ sub_message.DiscardUnknownFields()
+ else:
+ value.DiscardUnknownFields()
+
+def FindInitializationErrors(self)
+Finds required fields which are not initialized.
+A list of strings. +Each string is a path to an uninitialized field from +the top-level message, e.g. "foo.bar[5].baz".
def FindInitializationErrors(self):
+ """Finds required fields which are not initialized.
+
+ Returns:
+ A list of strings. Each string is a path to an uninitialized field from
+ the top-level message, e.g. "foo.bar[5].baz".
+ """
+
+ errors = [] # simplify things
+
+ for field in required_fields:
+ if not self.HasField(field.name):
+ errors.append(field.name)
+
+ for field, value in self.ListFields():
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.is_extension:
+ name = '(%s)' % field.full_name
+ else:
+ name = field.name
+
+ if _IsMapField(field):
+ if _IsMessageMapField(field):
+ for key in value:
+ element = value[key]
+ prefix = '%s[%s].' % (name, key)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ # ScalarMaps can't have any initialization errors.
+ pass
+ elif field.label == _FieldDescriptor.LABEL_REPEATED:
+ for i in range(len(value)):
+ element = value[i]
+ prefix = '%s[%d].' % (name, i)
+ sub_errors = element.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+ else:
+ prefix = name + '.'
+ sub_errors = value.FindInitializationErrors()
+ errors += [prefix + error for error in sub_errors]
+
+ return errors
+
+def HasField(self, field_name)
+def HasField(self, field_name):
+ try:
+ field = hassable_fields[field_name]
+ except KeyError:
+ raise ValueError(error_msg % (message_descriptor.full_name, field_name))
+
+ if isinstance(field, descriptor_mod.OneofDescriptor):
+ try:
+ return HasField(self, self._oneofs[field].name)
+ except KeyError:
+ return False
+ else:
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ value = self._fields.get(field)
+ return value is not None and value._is_present_in_parent
+ else:
+ return field in self._fields
+
+def IsInitialized(self, errors=None)
+Checks if all required fields of a message are set.
+errorsTrue iff the specified message has all required fields set.
def IsInitialized(self, errors=None):
+ """Checks if all required fields of a message are set.
+
+ Args:
+ errors: A list which, if provided, will be populated with the field
+ paths of all missing required fields.
+
+ Returns:
+ True iff the specified message has all required fields set.
+ """
+
+ # Performance is critical so we avoid HasField() and ListFields().
+
+ for field in required_fields:
+ if (field not in self._fields or
+ (field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE and
+ not self._fields[field]._is_present_in_parent)):
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ for field, value in list(self._fields.items()): # dict can change size!
+ if field.cpp_type == _FieldDescriptor.CPPTYPE_MESSAGE:
+ if field.label == _FieldDescriptor.LABEL_REPEATED:
+ if (field.message_type.has_options and
+ field.message_type.GetOptions().map_entry):
+ continue
+ for element in value:
+ if not element.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+ elif value._is_present_in_parent and not value.IsInitialized():
+ if errors is not None:
+ errors.extend(self.FindInitializationErrors())
+ return False
+
+ return True
+
+def ListFields(self)
+def ListFields(self):
+ all_fields = [item for item in self._fields.items() if _IsPresent(item)]
+ all_fields.sort(key = lambda item: item[0].number)
+ return all_fields
+
+def MergeFrom(self, msg)
+def MergeFrom(self, msg):
+ if not isinstance(msg, cls):
+ raise TypeError(
+ 'Parameter to MergeFrom() must be instance of same class: '
+ 'expected %s got %s.' % (cls.__name__, msg.__class__.__name__))
+
+ assert msg is not self
+ self._Modified()
+
+ fields = self._fields
+
+ for field, value in msg._fields.items():
+ if field.label == LABEL_REPEATED:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ elif field.cpp_type == CPPTYPE_MESSAGE:
+ if value._is_present_in_parent:
+ field_value = fields.get(field)
+ if field_value is None:
+ # Construct a new object to represent this field.
+ field_value = field._default_constructor(self)
+ fields[field] = field_value
+ field_value.MergeFrom(value)
+ else:
+ self._fields[field] = value
+ if field.containing_oneof:
+ self._UpdateOneofState(field)
+
+ if msg._unknown_fields:
+ if not self._unknown_fields:
+ self._unknown_fields = []
+ self._unknown_fields.extend(msg._unknown_fields)
+ # pylint: disable=protected-access
+ if self._unknown_field_set is None:
+ self._unknown_field_set = containers.UnknownFieldSet()
+ self._unknown_field_set._extend(msg._unknown_field_set)
+
+def MergeFromString(self, serialized)
+def MergeFromString(self, serialized):
+ if isinstance(serialized, memoryview) and six.PY2:
+ raise TypeError(
+ 'memoryview not supported in Python 2 with the pure Python proto '
+ 'implementation: this is to maintain compatibility with the C++ '
+ 'implementation')
+
+ serialized = memoryview(serialized)
+ length = len(serialized)
+ try:
+ if self._InternalParse(serialized, 0, length) != length:
+ # The only reason _InternalParse would return early is if it
+ # encountered an end-group tag.
+ raise message_mod.DecodeError('Unexpected end-group tag.')
+ except (IndexError, TypeError):
+ # Now ord(buf[p:p+1]) == ord('') gets TypeError.
+ raise message_mod.DecodeError('Truncated message.')
+ except struct.error as e:
+ raise message_mod.DecodeError(e)
+ return length # Return this for legacy reasons.
+
+def SerializePartialToString(self, **kwargs)
+def SerializePartialToString(self, **kwargs):
+ out = BytesIO()
+ self._InternalSerialize(out.write, **kwargs)
+ return out.getvalue()
+
+def SerializeToString(self, **kwargs)
+def SerializeToString(self, **kwargs):
+ # Check if the message has all of its required fields set.
+ if not self.IsInitialized():
+ raise message_mod.EncodeError(
+ 'Message %s is missing required fields: %s' % (
+ self.DESCRIPTOR.full_name, ','.join(self.FindInitializationErrors())))
+ return self.SerializePartialToString(**kwargs)
+
+def SetInParent(self)
+Sets the _cached_byte_size_dirty bit to true, +and propagates this to our listener iff this was a state change.
def Modified(self):
+ """Sets the _cached_byte_size_dirty bit to true,
+ and propagates this to our listener iff this was a state change.
+ """
+
+ # Note: Some callers check _cached_byte_size_dirty before calling
+ # _Modified() as an extra optimization. So, if this method is ever
+ # changed such that it does stuff even when _cached_byte_size_dirty is
+ # already true, the callers need to be updated.
+ if not self._cached_byte_size_dirty:
+ self._cached_byte_size_dirty = True
+ self._listener_for_children.dirty = True
+ self._is_present_in_parent = True
+ self._listener.Modified()
+
+def UnknownFields(self)
+def _UnknownFields(self):
+ if self._unknown_field_set is None: # pylint: disable=protected-access
+ # pylint: disable=protected-access
+ self._unknown_field_set = containers.UnknownFieldSet()
+ return self._unknown_field_set # pylint: disable=protected-access
+
+def WhichOneof(self, oneof_name)
+Returns the name of the currently set field inside a oneof, or None.
def WhichOneof(self, oneof_name):
+ """Returns the name of the currently set field inside a oneof, or None."""
+ try:
+ field = message_descriptor.oneofs_by_name[oneof_name]
+ except KeyError:
+ raise ValueError(
+ 'Protocol message has no oneof "%s" field.' % oneof_name)
+
+ nested_field = self._oneofs.get(field, None)
+ if nested_field is not None and self.HasField(nested_field.name):
+ return nested_field.name
+ else:
+ return None
+ChannelSettingsBANDWIDTH_FIELD_NUMBERBw125Cr45Sf128Bw125Cr48Sf4096Bw31_25Cr48Sf512Bw500Cr45Sf128ByteSizeCHANNEL_NUM_FIELD_NUMBERCODING_RATE_FIELD_NUMBERClearClearFieldDESCRIPTORDiscardUnknownFieldsFindInitializationErrorsFromStringHasFieldIsInitializedListFieldsMODEM_CONFIG_FIELD_NUMBERMergeFromMergeFromStringModemConfigNAME_FIELD_NUMBERPSK_FIELD_NUMBERRegisterExtensionSPREAD_FACTOR_FIELD_NUMBERSerializePartialToStringSerializeToStringSetInParentTX_POWER_FIELD_NUMBERUnknownFieldsWhichOneofbandwidthchannel_numcoding_rateDataByteSizeCLEAR_READACKCLEAR_TEXTClearClearFieldDESCRIPTORDiscardUnknownFieldsFindInitializationErrorsFromStringHasFieldIsInitializedListFieldsMergeFromMergeFromStringOPAQUEPAYLOAD_FIELD_NUMBERRegisterExtensionSerializePartialToStringSerializeToStringSetInParentTYP_FIELD_NUMBERTypeUnknownFieldsWhichOneofpayloadtypDebugStringDeviceStateByteSizeClearClearFieldDESCRIPTORDID_GPS_RESET_FIELD_NUMBERDiscardUnknownFieldsFindInitializationErrorsFromStringHasFieldIsInitializedListFieldsMY_NODE_FIELD_NUMBERMergeFromMergeFromStringNODE_DB_FIELD_NUMBERNO_SAVE_FIELD_NUMBEROWNER_FIELD_NUMBERRADIO_FIELD_NUMBERRECEIVE_QUEUE_FIELD_NUMBERRX_TEXT_MESSAGE_FIELD_NUMBERRegisterExtensionSerializePartialToStringSerializeToStringSetInParentUnknownFieldsVERSION_FIELD_NUMBERWhichOneofdid_gps_resetmy_nodeno_saveFromRadioByteSizeCONFIG_COMPLETE_ID_FIELD_NUMBERClearClearFieldDEBUG_STRING_FIELD_NUMBERDESCRIPTORDiscardUnknownFieldsFindInitializationErrorsFromStringHasFieldIsInitializedListFieldsMY_INFO_FIELD_NUMBERMergeFromMergeFromStringNODE_INFO_FIELD_NUMBERNUM_FIELD_NUMBERPACKET_FIELD_NUMBERRADIO_FIELD_NUMBERREBOOTED_FIELD_NUMBERRegisterExtensionSerializePartialToStringSerializeToStringSetInParentUnknownFieldsWhichOneofconfig_complete_iddebug_stringmy_infoManufacturingDataByteSizeClearClearFieldDESCRIPTORDiscardUnknownFieldsFRADIOFREQ_FIELD_NUMBERFindInitializationErrorsFromStringHW_MODEL_FIELD_NUMBERHW_VERSION_FIELD_NUMBERHasFieldIsInitializedListFieldsMergeFromMergeFromStringRegisterExtensionSELFTEST_RESULT_FIELD_NUMBERSerializePartialToStringSerializeToStringSetInParentUnknownFieldsWhichOneoffradioFreqhw_modelhw_versionMeshPacketByteSizeClearClearFieldDECODED_FIELD_NUMBERDESCRIPTORDiscardUnknownFieldsENCRYPTED_FIELD_NUMBERFROM_FIELD_NUMBERFindInitializationErrorsFromStringHOP_LIMIT_FIELD_NUMBERHasFieldID_FIELD_NUMBERIsInitializedListFieldsMergeFromMergeFromStringRX_SNR_FIELD_NUMBERRX_TIME_FIELD_NUMBERRegisterExtensionSerializePartialToStringSerializeToStringSetInParentTO_FIELD_NUMBERUnknownFieldsWANT_ACK_FIELD_NUMBERWhichOneofdecodedencryptedfromMyNodeInfoByteSizeCURRENT_PACKET_ID_FIELD_NUMBERClearClearFieldDESCRIPTORDiscardUnknownFieldsERROR_ADDRESS_FIELD_NUMBERERROR_CODE_FIELD_NUMBERERROR_COUNT_FIELD_NUMBERFIRMWARE_VERSION_FIELD_NUMBERFindInitializationErrorsFromStringHAS_GPS_FIELD_NUMBERHW_MODEL_FIELD_NUMBERHasFieldIsInitializedListFieldsMESSAGE_TIMEOUT_MSEC_FIELD_NUMBERMIN_APP_VERSION_FIELD_NUMBERMY_NODE_NUM_FIELD_NUMBERMergeFromMergeFromStringNODE_NUM_BITS_FIELD_NUMBERNUM_CHANNELS_FIELD_NUMBERPACKET_ID_BITS_FIELD_NUMBERREGION_FIELD_NUMBERRegisterExtensionSerializePartialToStringSerializeToStringSetInParentUnknownFieldsWhichOneofcurrent_packet_iderror_addresserror_codeNodeInfoByteSizeClearClearFieldDESCRIPTORDiscardUnknownFieldsFindInitializationErrorsFromStringHasFieldIsInitializedListFieldsMergeFromMergeFromStringNEXT_HOP_FIELD_NUMBERNUM_FIELD_NUMBERPOSITION_FIELD_NUMBERRegisterExtensionSNR_FIELD_NUMBERSerializePartialToStringSerializeToStringSetInParentUSER_FIELD_NUMBERUnknownFieldsWhichOneofnext_hopnumpositionPositionALTITUDE_FIELD_NUMBERBATTERY_LEVEL_FIELD_NUMBERByteSizeClearClearFieldDESCRIPTORDiscardUnknownFieldsFindInitializationErrorsFromStringHasFieldIsInitializedLATITUDE_I_FIELD_NUMBERLONGITUDE_I_FIELD_NUMBERListFieldsMergeFromMergeFromStringRegisterExtensionSerializePartialToStringSerializeToStringSetInParentTIME_FIELD_NUMBERUnknownFieldsWhichOneofaltitudebattery_levellatitude_iRadioConfigByteSizeCHANNEL_SETTINGS_FIELD_NUMBERClearClearFieldDESCRIPTORDiscardUnknownFieldsFindInitializationErrorsFromStringHasFieldIsInitializedListFieldsMergeFromMergeFromStringPREFERENCES_FIELD_NUMBERRegisterExtensionSerializePartialToStringSerializeToStringSetInParentUnknownFieldsUserPreferencesWhichOneofchannel_settingspreferencesRouteDiscoverySubPacketByteSizeClearClearFieldDATA_FIELD_NUMBERDESCRIPTORDEST_FIELD_NUMBERDiscardUnknownFieldsFAIL_ID_FIELD_NUMBERFindInitializationErrorsFromStringHasFieldIsInitializedListFieldsMergeFromMergeFromStringORIGINAL_ID_FIELD_NUMBERPOSITION_FIELD_NUMBERROUTE_ERROR_FIELD_NUMBERROUTE_REPLY_FIELD_NUMBERROUTE_REQUEST_FIELD_NUMBERRegisterExtensionSOURCE_FIELD_NUMBERSUCCESS_ID_FIELD_NUMBERSerializePartialToStringSerializeToStringSetInParentUSER_FIELD_NUMBERUnknownFieldsWANT_RESPONSE_FIELD_NUMBERWhichOneofdatadestfail_idToRadioByteSizeClearClearFieldDESCRIPTORDiscardUnknownFieldsFindInitializationErrorsFromStringHasFieldIsInitializedListFieldsMergeFromMergeFromStringPACKET_FIELD_NUMBERRegisterExtensionSET_OWNER_FIELD_NUMBERSET_RADIO_FIELD_NUMBERSerializePartialToStringSerializeToStringSetInParentUnknownFieldsWANT_CONFIG_ID_FIELD_NUMBERWhichOneofpacketset_ownerset_radioUserByteSizeClearClearFieldDESCRIPTORDiscardUnknownFieldsFindInitializationErrorsFromStringHasFieldID_FIELD_NUMBERIsInitializedLONG_NAME_FIELD_NUMBERListFieldsMACADDR_FIELD_NUMBERMergeFromMergeFromStringRegisterExtensionSHORT_NAME_FIELD_NUMBERSerializePartialToStringSerializeToStringSetInParentUnknownFieldsWhichOneofidlong_namemacaddr