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  1. docs_src/python_types/tutorial008b_py310.py

    def process_item(item: int | str):
    Created: Sun Dec 28 07:19:09 GMT 2025
    - Last Modified: Fri Jan 07 14:11:31 GMT 2022
    - 51 bytes
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  2. docs/ru/docs/index.md

    app = FastAPI()
    
    
    @app.get("/")
    def read_root():
        return {"Hello": "World"}
    
    
    @app.get("/items/{item_id}")
    def read_item(item_id: int, q: Union[str, None] = None):
        return {"item_id": item_id, "q": q}
    ```
    
    <details markdown="1">
    <summary>Или используйте <code>async def</code>...</summary>
    
    Если ваш код использует `async` / `await`, используйте `async def`:
    
    ```Python hl_lines="9  14"
    Created: Sun Dec 28 07:19:09 GMT 2025
    - Last Modified: Thu Dec 11 21:25:03 GMT 2025
    - 32K bytes
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  3. docs/ru/docs/advanced/events.md

    Вы можете определить обработчики событий (функции), которые нужно выполнить до старта приложения или при его завершении.
    
    Эти функции можно объявить с `async def` или обычным `def`.
    
    ### Событие `startup` { #startup-event }
    
    Чтобы добавить функцию, которую нужно запустить до старта приложения, объявите её как обработчик события `"startup"`:
    
    Created: Sun Dec 28 07:19:09 GMT 2025
    - Last Modified: Wed Dec 17 20:41:43 GMT 2025
    - 12.7K bytes
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  4. docs_src/dependencies/tutorial008d_an_py39.py

    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":
    Created: Sun Dec 28 07:19:09 GMT 2025
    - Last Modified: Sat Feb 24 23:06:37 GMT 2024
    - 734 bytes
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  5. tests/test_depends_hashable.py

    # as other tools that use them depend on that
    # Ref: https://github.com/fastapi/fastapi/pull/14320
    
    from fastapi import Depends, Security
    
    
    def dep():
        pass
    
    
    def test_depends_hashable():
        dep()  # just for coverage
        d1 = Depends(dep)
        d2 = Depends(dep)
        d3 = Depends(dep, scope="function")
        d4 = Depends(dep, scope="function")
    
    Created: Sun Dec 28 07:19:09 GMT 2025
    - Last Modified: Wed Nov 19 16:50:18 GMT 2025
    - 596 bytes
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  6. docs_src/header_params/tutorial002_an_py39.py

    from typing import Annotated, Union
    
    from fastapi import FastAPI, Header
    
    app = FastAPI()
    
    
    @app.get("/items/")
    async def read_items(
        strange_header: Annotated[
            Union[str, None], Header(convert_underscores=False)
        ] = None,
    ):
    Created: Sun Dec 28 07:19:09 GMT 2025
    - Last Modified: Tue Oct 24 20:26:06 GMT 2023
    - 288 bytes
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  7. docs_src/query_params/tutorial001_py39.py

    from fastapi import FastAPI
    
    app = FastAPI()
    
    fake_items_db = [{"item_name": "Foo"}, {"item_name": "Bar"}, {"item_name": "Baz"}]
    
    
    @app.get("/items/")
    async def read_item(skip: int = 0, limit: int = 10):
    Created: Sun Dec 28 07:19:09 GMT 2025
    - Last Modified: Wed Dec 17 20:41:43 GMT 2025
    - 250 bytes
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  8. docs_src/query_params_str_validations/tutorial001_py310.py

    from fastapi import FastAPI
    
    app = FastAPI()
    
    
    @app.get("/items/")
    async def read_items(q: str | None = None):
        results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}
        if q:
            results.update({"q": q})
    Created: Sun Dec 28 07:19:09 GMT 2025
    - Last Modified: Fri Jan 07 14:11:31 GMT 2022
    - 239 bytes
    - Click Count (0)
  9. docs_src/python_types/tutorial009c_py310.py

    def say_hi(name: str | None):
    Created: Sun Dec 28 07:19:09 GMT 2025
    - Last Modified: Sat May 14 11:59:59 GMT 2022
    - 56 bytes
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  10. docs_src/debugging/tutorial001_py39.py

    import uvicorn
    from fastapi import FastAPI
    
    app = FastAPI()
    
    
    @app.get("/")
    def root():
        a = "a"
        b = "b" + a
        return {"hello world": b}
    
    
    if __name__ == "__main__":
    Created: Sun Dec 28 07:19:09 GMT 2025
    - Last Modified: Wed Dec 17 20:41:43 GMT 2025
    - 223 bytes
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