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📝 Update source examples and docs from Python 3.9 to 3.10 (#14900)

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This commit is contained in:
Sebastián Ramírez
2026-02-12 05:19:43 -08:00
committed by GitHub
parent d06ab3f5c7
commit c9e2277d8b
655 changed files with 3703 additions and 5660 deletions
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24
docs_src/dependencies/tutorial001_02_an_py39.py
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@@ -1,24 +0,0 @@
from typing import Annotated, Union
from fastapi import Depends, FastAPI
app = FastAPI()
async def common_parameters(
q: Union[str, None] = None, skip: int = 0, limit: int = 100
):
return {"q": q, "skip": skip, "limit": limit}
CommonsDep = Annotated[dict, Depends(common_parameters)]
@app.get("/items/")
async def read_items(commons: CommonsDep):
return commons
@app.get("/users/")
async def read_users(commons: CommonsDep):
return commons

21
docs_src/dependencies/tutorial001_an_py39.py
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@@ -1,21 +0,0 @@
from typing import Annotated, Union
from fastapi import Depends, FastAPI
app = FastAPI()
async def common_parameters(
q: Union[str, None] = None, skip: int = 0, limit: int = 100
):
return {"q": q, "skip": skip, "limit": limit}
@app.get("/items/")
async def read_items(commons: Annotated[dict, Depends(common_parameters)]):
return commons
@app.get("/users/")
async def read_users(commons: Annotated[dict, Depends(common_parameters)]):
return commons

21
docs_src/dependencies/tutorial001_py39.py
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@@ -1,21 +0,0 @@
from typing import Union
from fastapi import Depends, FastAPI
app = FastAPI()
async def common_parameters(
q: Union[str, None] = None, skip: int = 0, limit: int = 100
):
return {"q": q, "skip": skip, "limit": limit}
@app.get("/items/")
async def read_items(commons: dict = Depends(common_parameters)):
return commons
@app.get("/users/")
async def read_users(commons: dict = Depends(common_parameters)):
return commons

25
docs_src/dependencies/tutorial002_an_py39.py
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@@ -1,25 +0,0 @@
from typing import Annotated, Union
from fastapi import Depends, FastAPI
app = FastAPI()
fake_items_db = [{"item_name": "Foo"}, {"item_name": "Bar"}, {"item_name": "Baz"}]
class CommonQueryParams:
def __init__(self, q: Union[str, None] = None, skip: int = 0, limit: int = 100):
self.q = q
self.skip = skip
self.limit = limit
@app.get("/items/")
async def read_items(commons: Annotated[CommonQueryParams, Depends(CommonQueryParams)]):
response = {}
if commons.q:
response.update({"q": commons.q})
items = fake_items_db[commons.skip : commons.skip + commons.limit]
response.update({"items": items})
return response

25
docs_src/dependencies/tutorial002_py39.py
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@@ -1,25 +0,0 @@
from typing import Union
from fastapi import Depends, FastAPI
app = FastAPI()
fake_items_db = [{"item_name": "Foo"}, {"item_name": "Bar"}, {"item_name": "Baz"}]
class CommonQueryParams:
def __init__(self, q: Union[str, None] = None, skip: int = 0, limit: int = 100):
self.q = q
self.skip = skip
self.limit = limit
@app.get("/items/")
async def read_items(commons: CommonQueryParams = Depends(CommonQueryParams)):
response = {}
if commons.q:
response.update({"q": commons.q})
items = fake_items_db[commons.skip : commons.skip + commons.limit]
response.update({"items": items})
return response

25
docs_src/dependencies/tutorial003_an_py39.py
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@@ -1,25 +0,0 @@
from typing import Annotated, Any, Union
from fastapi import Depends, FastAPI
app = FastAPI()
fake_items_db = [{"item_name": "Foo"}, {"item_name": "Bar"}, {"item_name": "Baz"}]
class CommonQueryParams:
def __init__(self, q: Union[str, None] = None, skip: int = 0, limit: int = 100):
self.q = q
self.skip = skip
self.limit = limit
@app.get("/items/")
async def read_items(commons: Annotated[Any, Depends(CommonQueryParams)]):
response = {}
if commons.q:
response.update({"q": commons.q})
items = fake_items_db[commons.skip : commons.skip + commons.limit]
response.update({"items": items})
return response

25
docs_src/dependencies/tutorial003_py39.py
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@@ -1,25 +0,0 @@
from typing import Union
from fastapi import Depends, FastAPI
app = FastAPI()
fake_items_db = [{"item_name": "Foo"}, {"item_name": "Bar"}, {"item_name": "Baz"}]
class CommonQueryParams:
def __init__(self, q: Union[str, None] = None, skip: int = 0, limit: int = 100):
self.q = q
self.skip = skip
self.limit = limit
@app.get("/items/")
async def read_items(commons=Depends(CommonQueryParams)):
response = {}
if commons.q:
response.update({"q": commons.q})
items = fake_items_db[commons.skip : commons.skip + commons.limit]
response.update({"items": items})
return response

25
docs_src/dependencies/tutorial004_an_py39.py
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@@ -1,25 +0,0 @@
from typing import Annotated, Union
from fastapi import Depends, FastAPI
app = FastAPI()
fake_items_db = [{"item_name": "Foo"}, {"item_name": "Bar"}, {"item_name": "Baz"}]
class CommonQueryParams:
def __init__(self, q: Union[str, None] = None, skip: int = 0, limit: int = 100):
self.q = q
self.skip = skip
self.limit = limit
@app.get("/items/")
async def read_items(commons: Annotated[CommonQueryParams, Depends()]):
response = {}
if commons.q:
response.update({"q": commons.q})
items = fake_items_db[commons.skip : commons.skip + commons.limit]
response.update({"items": items})
return response

25
docs_src/dependencies/tutorial004_py39.py
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@@ -1,25 +0,0 @@
from typing import Union
from fastapi import Depends, FastAPI
app = FastAPI()
fake_items_db = [{"item_name": "Foo"}, {"item_name": "Bar"}, {"item_name": "Baz"}]
class CommonQueryParams:
def __init__(self, q: Union[str, None] = None, skip: int = 0, limit: int = 100):
self.q = q
self.skip = skip
self.limit = limit
@app.get("/items/")
async def read_items(commons: CommonQueryParams = Depends()):
response = {}
if commons.q:
response.update({"q": commons.q})
items = fake_items_db[commons.skip : commons.skip + commons.limit]
response.update({"items": items})
return response

25
docs_src/dependencies/tutorial005_an_py39.py
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@@ -1,25 +0,0 @@
from typing import Annotated, Union
from fastapi import Cookie, Depends, FastAPI
app = FastAPI()
def query_extractor(q: Union[str, None] = None):
return q
def query_or_cookie_extractor(
q: Annotated[str, Depends(query_extractor)],
last_query: Annotated[Union[str, None], Cookie()] = None,
):
if not q:
return last_query
return q
@app.get("/items/")
async def read_query(
query_or_default: Annotated[str, Depends(query_or_cookie_extractor)],
):
return {"q_or_cookie": query_or_default}

23
docs_src/dependencies/tutorial005_py39.py
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@@ -1,23 +0,0 @@
from typing import Union
from fastapi import Cookie, Depends, FastAPI
app = FastAPI()
def query_extractor(q: Union[str, None] = None):
return q
def query_or_cookie_extractor(
q: str = Depends(query_extractor),
last_query: Union[str, None] = Cookie(default=None),
):
if not q:
return last_query
return q
@app.get("/items/")
async def read_query(query_or_default: str = Depends(query_or_cookie_extractor)):
return {"q_or_cookie": query_or_default}

21
docs_src/dependencies/tutorial006_an_py310.py Normal file
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@@ -0,0 +1,21 @@
from typing import Annotated
from fastapi import Depends, FastAPI, Header, HTTPException
app = FastAPI()
async def verify_token(x_token: Annotated[str, Header()]):
if x_token != "fake-super-secret-token":
raise HTTPException(status_code=400, detail="X-Token header invalid")
async def verify_key(x_key: Annotated[str, Header()]):
if x_key != "fake-super-secret-key":
raise HTTPException(status_code=400, detail="X-Key header invalid")
return x_key
@app.get("/items/", dependencies=[Depends(verify_token), Depends(verify_key)])
async def read_items():
return [{"item": "Foo"}, {"item": "Bar"}]

19
docs_src/dependencies/tutorial006_py310.py Normal file
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@@ -0,0 +1,19 @@
from fastapi import Depends, FastAPI, Header, HTTPException
app = FastAPI()
async def verify_token(x_token: str = Header()):
if x_token != "fake-super-secret-token":
raise HTTPException(status_code=400, detail="X-Token header invalid")
async def verify_key(x_key: str = Header()):
if x_key != "fake-super-secret-key":
raise HTTPException(status_code=400, detail="X-Key header invalid")
return x_key
@app.get("/items/", dependencies=[Depends(verify_token), Depends(verify_key)])
async def read_items():
return [{"item": "Foo"}, {"item": "Bar"}]

6
docs_src/dependencies/tutorial007_py310.py Normal file
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@@ -0,0 +1,6 @@
async def get_db():
db = DBSession()
try:
yield db
finally:
db.close()

27
docs_src/dependencies/tutorial008_an_py310.py Normal file
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@@ -0,0 +1,27 @@
from typing import Annotated
from fastapi import Depends
async def dependency_a():
dep_a = generate_dep_a()
try:
yield dep_a
finally:
dep_a.close()
async def dependency_b(dep_a: Annotated[DepA, Depends(dependency_a)]):
dep_b = generate_dep_b()
try:
yield dep_b
finally:
dep_b.close(dep_a)
async def dependency_c(dep_b: Annotated[DepB, Depends(dependency_b)]):
dep_c = generate_dep_c()
try:
yield dep_c
finally:
dep_c.close(dep_b)

25
docs_src/dependencies/tutorial008_py310.py Normal file
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@@ -0,0 +1,25 @@
from fastapi import Depends
async def dependency_a():
dep_a = generate_dep_a()
try:
yield dep_a
finally:
dep_a.close()
async def dependency_b(dep_a=Depends(dependency_a)):
dep_b = generate_dep_b()
try:
yield dep_b
finally:
dep_b.close(dep_a)
async def dependency_c(dep_b=Depends(dependency_b)):
dep_c = generate_dep_c()
try:
yield dep_c
finally:
dep_c.close(dep_b)

32
docs_src/dependencies/tutorial008b_an_py310.py Normal file
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from typing import Annotated
from fastapi import Depends, FastAPI, HTTPException
app = FastAPI()
data = {
"plumbus": {"description": "Freshly pickled plumbus", "owner": "Morty"},
"portal-gun": {"description": "Gun to create portals", "owner": "Rick"},
}
class OwnerError(Exception):
pass
def get_username():
try:
yield "Rick"
except OwnerError as e:
raise HTTPException(status_code=400, detail=f"Owner error: {e}")
@app.get("/items/{item_id}")
def get_item(item_id: str, username: Annotated[str, Depends(get_username)]):
if item_id not in data:
raise HTTPException(status_code=404, detail="Item not found")
item = data[item_id]
if item["owner"] != username:
raise OwnerError(username)
return item

30
docs_src/dependencies/tutorial008b_py310.py Normal file
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@@ -0,0 +1,30 @@
from fastapi import Depends, FastAPI, HTTPException
app = FastAPI()
data = {
"plumbus": {"description": "Freshly pickled plumbus", "owner": "Morty"},
"portal-gun": {"description": "Gun to create portals", "owner": "Rick"},
}
class OwnerError(Exception):
pass
def get_username():
try:
yield "Rick"
except OwnerError as e:
raise HTTPException(status_code=400, detail=f"Owner error: {e}")
@app.get("/items/{item_id}")
def get_item(item_id: str, username: str = Depends(get_username)):
if item_id not in data:
raise HTTPException(status_code=404, detail="Item not found")
item = data[item_id]
if item["owner"] != username:
raise OwnerError(username)
return item

29
docs_src/dependencies/tutorial008c_an_py310.py Normal file
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from typing import Annotated
from fastapi import Depends, FastAPI, HTTPException
app = FastAPI()
class InternalError(Exception):
pass
def get_username():
try:
yield "Rick"
except InternalError:
print("Oops, we didn't raise again, Britney 😱")
@app.get("/items/{item_id}")
def get_item(item_id: str, username: Annotated[str, Depends(get_username)]):
if item_id == "portal-gun":
raise InternalError(
f"The portal gun is too dangerous to be owned by {username}"
)
if item_id != "plumbus":
raise HTTPException(
status_code=404, detail="Item not found, there's only a plumbus here"
)
return item_id

27
docs_src/dependencies/tutorial008c_py310.py Normal file
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@@ -0,0 +1,27 @@
from fastapi import Depends, FastAPI, HTTPException
app = FastAPI()
class InternalError(Exception):
pass
def get_username():
try:
yield "Rick"
except InternalError:
print("Oops, we didn't raise again, Britney 😱")
@app.get("/items/{item_id}")
def get_item(item_id: str, username: str = Depends(get_username)):
if item_id == "portal-gun":
raise InternalError(
f"The portal gun is too dangerous to be owned by {username}"
)
if item_id != "plumbus":
raise HTTPException(
status_code=404, detail="Item not found, there's only a plumbus here"
)
return item_id

30
docs_src/dependencies/tutorial008d_an_py310.py Normal file
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@@ -0,0 +1,30 @@
from typing import Annotated
from fastapi import Depends, FastAPI, HTTPException
app = FastAPI()
class InternalError(Exception):
pass
def get_username():
try:
yield "Rick"
except InternalError:
print("We don't swallow the internal error here, we raise again 😎")
raise
@app.get("/items/{item_id}")
def get_item(item_id: str, username: Annotated[str, Depends(get_username)]):
if item_id == "portal-gun":
raise InternalError(
f"The portal gun is too dangerous to be owned by {username}"
)
if item_id != "plumbus":
raise HTTPException(
status_code=404, detail="Item not found, there's only a plumbus here"
)
return item_id

28
docs_src/dependencies/tutorial008d_py310.py Normal file
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@@ -0,0 +1,28 @@
from fastapi import Depends, FastAPI, HTTPException
app = FastAPI()
class InternalError(Exception):
pass
def get_username():
try:
yield "Rick"
except InternalError:
print("We don't swallow the internal error here, we raise again 😎")
raise
@app.get("/items/{item_id}")
def get_item(item_id: str, username: str = Depends(get_username)):
if item_id == "portal-gun":
raise InternalError(
f"The portal gun is too dangerous to be owned by {username}"
)
if item_id != "plumbus":
raise HTTPException(
status_code=404, detail="Item not found, there's only a plumbus here"
)
return item_id

17
docs_src/dependencies/tutorial008e_an_py310.py Normal file
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@@ -0,0 +1,17 @@
from typing import Annotated
from fastapi import Depends, FastAPI
app = FastAPI()
def get_username():
try:
yield "Rick"
finally:
print("Cleanup up before response is sent")
@app.get("/users/me")
def get_user_me(username: Annotated[str, Depends(get_username, scope="function")]):
return username

15
docs_src/dependencies/tutorial008e_py310.py Normal file
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@@ -0,0 +1,15 @@
from fastapi import Depends, FastAPI
app = FastAPI()
def get_username():
try:
yield "Rick"
finally:
print("Cleanup up before response is sent")
@app.get("/users/me")
def get_user_me(username: str = Depends(get_username, scope="function")):
return username

14
docs_src/dependencies/tutorial010_py310.py Normal file
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class MySuperContextManager:
def __init__(self):
self.db = DBSession()
def __enter__(self):
return self.db
def __exit__(self, exc_type, exc_value, traceback):
self.db.close()
async def get_db():
with MySuperContextManager() as db:
yield db

23
docs_src/dependencies/tutorial011_an_py310.py Normal file
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@@ -0,0 +1,23 @@
from typing import Annotated
from fastapi import Depends, FastAPI
app = FastAPI()
class FixedContentQueryChecker:
def __init__(self, fixed_content: str):
self.fixed_content = fixed_content
def __call__(self, q: str = ""):
if q:
return self.fixed_content in q
return False
checker = FixedContentQueryChecker("bar")
@app.get("/query-checker/")
async def read_query_check(fixed_content_included: Annotated[bool, Depends(checker)]):
return {"fixed_content_in_query": fixed_content_included}

21
docs_src/dependencies/tutorial011_py310.py Normal file
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@@ -0,0 +1,21 @@
from fastapi import Depends, FastAPI
app = FastAPI()
class FixedContentQueryChecker:
def __init__(self, fixed_content: str):
self.fixed_content = fixed_content
def __call__(self, q: str = ""):
if q:
return self.fixed_content in q
return False
checker = FixedContentQueryChecker("bar")
@app.get("/query-checker/")
async def read_query_check(fixed_content_included: bool = Depends(checker)):
return {"fixed_content_in_query": fixed_content_included}

27
docs_src/dependencies/tutorial012_an_py310.py Normal file
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from typing import Annotated
from fastapi import Depends, FastAPI, Header, HTTPException
async def verify_token(x_token: Annotated[str, Header()]):
if x_token != "fake-super-secret-token":
raise HTTPException(status_code=400, detail="X-Token header invalid")
async def verify_key(x_key: Annotated[str, Header()]):
if x_key != "fake-super-secret-key":
raise HTTPException(status_code=400, detail="X-Key header invalid")
return x_key
app = FastAPI(dependencies=[Depends(verify_token), Depends(verify_key)])
@app.get("/items/")
async def read_items():
return [{"item": "Portal Gun"}, {"item": "Plumbus"}]
@app.get("/users/")
async def read_users():
return [{"username": "Rick"}, {"username": "Morty"}]

25
docs_src/dependencies/tutorial012_py310.py Normal file
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@@ -0,0 +1,25 @@
from fastapi import Depends, FastAPI, Header, HTTPException
async def verify_token(x_token: str = Header()):
if x_token != "fake-super-secret-token":
raise HTTPException(status_code=400, detail="X-Token header invalid")
async def verify_key(x_key: str = Header()):
if x_key != "fake-super-secret-key":
raise HTTPException(status_code=400, detail="X-Key header invalid")
return x_key
app = FastAPI(dependencies=[Depends(verify_token), Depends(verify_key)])
@app.get("/items/")
async def read_items():
return [{"item": "Portal Gun"}, {"item": "Plumbus"}]
@app.get("/users/")
async def read_users():
return [{"username": "Rick"}, {"username": "Morty"}]