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  2. github.com/tiangolo/fastapi

    docs_src/query_param_models/tutorial002_pv1.py 

    from typing import List

from fastapi import FastAPI, Query
from pydantic import BaseModel, Field
from typing_extensions import Literal

app = FastAPI()


class FilterParams(BaseModel):
    class Config:
        extra = "forbid"

    limit: int = Field(100, gt=0, le=100)
    offset: int = Field(0, ge=0)
    order_by: Literal["created_at", "updated_at"] = "created_at"
    tags: List[str] = []


@app.get("/items/")
    Registered: Sun Nov 03 07:19:11 UTC 2024
    - Last Modified: Tue Sep 17 18:54:10 UTC 2024
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  3. github.com/tiangolo/fastapi

    docs/en/docs/advanced/websockets.md 

    {!../../docs_src/websockets/tutorial001.py!}
```

## Create a `websocket`

In your **FastAPI** application, create a `websocket`:

```Python hl_lines="1  46-47"
{!../../docs_src/websockets/tutorial001.py!}
```

/// note | "Technical Details"

You could also use `from starlette.websockets import WebSocket`.
    Registered: Sun Nov 03 07:19:11 UTC 2024
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  4. github.com/tiangolo/fastapi

    docs_src/query_params_str_validations/tutorial006_an.py 

    from fastapi import FastAPI, Query
from typing_extensions import Annotated

app = FastAPI()


@app.get("/items/")
async def read_items(q: Annotated[str, Query(min_length=3)]):
    results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}
    if q:
        results.update({"q": q})
    Registered: Sun Nov 03 07:19:11 UTC 2024
    - Last Modified: Sat Mar 18 12:29:59 UTC 2023
    - 304 bytes
    - Viewed (0)
  5. github.com/tiangolo/fastapi

    docs_src/query_params_str_validations/tutorial014_an_py39.py 

    from typing import Annotated, Union

from fastapi import FastAPI, Query

app = FastAPI()


@app.get("/items/")
async def read_items(
    hidden_query: Annotated[Union[str, None], Query(include_in_schema=False)] = None,
):
    if hidden_query:
        return {"hidden_query": hidden_query}
    else:
    Registered: Sun Nov 03 07:19:11 UTC 2024
    - Last Modified: Tue Mar 26 16:56:53 UTC 2024
    - 344 bytes
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  6. github.com/tiangolo/fastapi

    docs/zh/docs/contributing.md 

    ---> 100%
```

</div>

这将在虚拟环境中安装所有依赖和本地版本的 FastAPI。

#### 使用本地 FastAPI

如果你创建一个导入并使用 FastAPI 的 Python 文件，然后使用虚拟环境中的 Python 运行它，它将使用你本地的 FastAPI 源码。

并且如果你更改该本地 FastAPI 的源码，由于它是通过 `-e` 安装的，当你再次运行那个 Python 文件，它将使用你刚刚编辑过的最新版本的 FastAPI。

这样，你不必再去重新"安装"你的本地版本即可测试所有更改。

/// note | "技术细节"

仅当你使用此项目中的 `requirements.txt` 安装而不是直接使用 `pip install fastapi` 安装时，才会发生这种情况。
    Registered: Sun Nov 03 07:19:11 UTC 2024
    - Last Modified: Tue Aug 06 04:48:30 UTC 2024
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  7. github.com/tiangolo/fastapi

    docs/en/docs/how-to/configure-swagger-ui.md 

    To configure them, pass the `swagger_ui_parameters` argument when creating the `FastAPI()` app object or to the `get_swagger_ui_html()` function.

`swagger_ui_parameters` receives a dictionary with the configurations passed to Swagger UI directly.

FastAPI converts the configurations to **JSON** to make them compatible with JavaScript, as that's what Swagger UI needs.

## Disable Syntax Highlighting
    Registered: Sun Nov 03 07:19:11 UTC 2024
    - Last Modified: Sat Oct 26 16:50:52 UTC 2024
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  8. github.com/tiangolo/fastapi

    docs_src/query_params_str_validations/tutorial006c_an_py310.py 

    from typing import Annotated

from fastapi import FastAPI, Query

app = FastAPI()


@app.get("/items/")
async def read_items(q: Annotated[str | None, Query(min_length=3)] = ...):
    results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}
    if q:
        results.update({"q": q})
    Registered: Sun Nov 03 07:19:11 UTC 2024
    - Last Modified: Sat Mar 18 12:29:59 UTC 2023
    - 307 bytes
    - Viewed (0)
  9. github.com/tiangolo/fastapi

    docs_src/request_files/tutorial001_an_py39.py 

    from typing import Annotated

from fastapi import FastAPI, File, UploadFile

app = FastAPI()


@app.post("/files/")
async def create_file(file: Annotated[bytes, File()]):
    return {"file_size": len(file)}


@app.post("/uploadfile/")
async def create_upload_file(file: UploadFile):
    Registered: Sun Nov 03 07:19:11 UTC 2024
    - Last Modified: Sat Mar 18 12:29:59 UTC 2023
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  10. github.com/tiangolo/fastapi

    docs_src/request_form_models/tutorial002_pv1_an.py 

    from fastapi import FastAPI, Form
from pydantic import BaseModel
from typing_extensions import Annotated

app = FastAPI()


class FormData(BaseModel):
    username: str
    password: str

    class Config:
        extra = "forbid"


@app.post("/login/")
async def login(data: Annotated[FormData, Form()]):
    Registered: Sun Nov 03 07:19:11 UTC 2024
    - Last Modified: Fri Sep 06 17:31:18 UTC 2024
    - 322 bytes
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  11. github.com/tiangolo/fastapi

    docs_src/response_directly/tutorial002.py 

    from fastapi import FastAPI, Response

app = FastAPI()


@app.get("/legacy/")
def get_legacy_data():
    data = """<?xml version="1.0"?>
    <shampoo>
    <Header>
        Apply shampoo here.
    </Header>
    <Body>
        You'll have to use soap here.
    </Body>
    </shampoo>
    """
    Registered: Sun Nov 03 07:19:11 UTC 2024
    - Last Modified: Thu Mar 26 19:09:53 UTC 2020
    - 354 bytes
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