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88 lines
2.9 KiB
Python
88 lines
2.9 KiB
Python
#
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# Copyright (c) 2023 Tom Keffer <tkeffer@gmail.com>
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#
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# See the file LICENSE.txt for your rights.
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#
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"""The 'weectllib' package."""
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import datetime
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import importlib
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import weeutil.logger
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import weewx
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from weeutil.weeutil import to_int
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def initialize(config_dict):
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# Set weewx.debug as necessary:
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weewx.debug = to_int(config_dict.get('debug', 0))
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# Customize the logging with user settings.
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weeutil.logger.setup('weectl', config_dict)
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# Add the 'user' package to PYTHONPATH
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weewx.add_user_path(config_dict)
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# Now we can import user.extensions
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importlib.import_module('user.extensions')
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def parse_dates(date=None, from_date=None, to_date=None, as_datetime=False):
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"""Parse --date, --from and --to command line options.
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Parses --date or --from and --to.
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Args:
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date(str|None): In the form YYYY-mm-dd
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from_date(str|None): Any ISO 8601 acceptable date or datetime.
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to_date(str|None): Any ISO 8601 acceptable date or datetime.
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as_datetime(bool): True, return a datetime.datetime object. Otherwise, return
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a datetime.date object.
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Returns:
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tuple: A two-way tuple (from_val, to_d) representing the from and to dates
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as datetime.datetime objects (as_datetime==True), or datetime.date (False).
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"""
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# default is None, unless user has specified an option
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from_val = to_val = None
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# first look for --date
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if date:
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# we have a --date option, make sure we are not over specified
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if from_date or to_date:
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raise ValueError("Specify either --date or a --from and --to combination; not both")
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# there is a --date but is it valid
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try:
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if as_datetime:
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from_val = to_val = datetime.datetime.fromisoformat(date)
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else:
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from_val = to_val = datetime.date.fromisoformat(date)
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except ValueError:
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raise ValueError("Invalid --date option specified.")
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else:
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# we don't have --date. Look for --from and/or --to
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if from_date:
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try:
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if as_datetime:
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from_val = datetime.datetime.fromisoformat(from_date)
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else:
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from_val = datetime.date.fromisoformat(from_date)
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except ValueError:
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raise ValueError("Invalid --from option specified.")
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if to_date:
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try:
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if as_datetime:
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to_val = datetime.datetime.fromisoformat(to_date)
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else:
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to_val = datetime.date.fromisoformat(to_date)
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except ValueError:
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raise ValueError("Invalid --to option specified.")
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if from_date and from_val > to_val:
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raise weewx.ViolatedPrecondition("--from value is later than --to value.")
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return from_val, to_val
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