& 👆 💽 🏷 💪 ⚙️ 🙆 🎏 📛 👆 💚.

✋️ 💳 *➡ 🛠️*, 👥 💪 ⚙️ 👉 📛 🔗 ⏮️ 🔌 (& 💪, 🖼, ⚙️ 🛠️ 🛠️ 🧾 ⚙️).

🔌 🇵🇸 👈 `username` & `password` 🔜 📨 📨 💽 (, 🙅‍♂ 🎻 📥).

### `scope`

🔌 💬 👈 👩‍💻 💪 📨 ➕1️⃣ 📨 🏑 "`scope`".

📨 🏑 📛 `scope` (⭐), ✋️ ⚫️ 🤙 📏 🎻 ⏮️ "↔" 🎏 🚀.

🔠 "↔" 🎻 (🍵 🚀).

👫 🛎 ⚙️ 📣 🎯 💂‍♂ ✔, 🖼:

* `users:read` ⚖️ `users:write` ⚠ 🖼.
* `instagram_basic` ⚙️ 👱📔 / 👱📔.

```Python hl_lines="18-26"
{!../../../docs_src/custom_request_and_route/tutorial001.py!}
```

!!! note "📡 ℹ"
     `Request` ✔️ `request.scope` 🔢, 👈 🐍 `dict` ⚗ 🗃 🔗 📨.

     `Request` ✔️ `request.receive`, 👈 🔢 "📨" 💪 📨.

     `scope` `dict` & `receive` 🔢 👯‍♂️ 🍕 🔫 🔧.

     & 👈 2️⃣ 👜, `scope` & `receive`, ⚫️❔ 💪 ✍ 🆕 `Request` 👐.

                    * Selbst keine erforderlichen Scopes.
                    * Eine Abhängigkeit, die `oauth2_scheme` verwendet.
                    * Einen `security_scopes`-Parameter vom Typ `SecurityScopes`:
                        * Dieser `security_scopes`-Parameter hat ein Attribut `scopes` mit einer `list`e, die alle oben deklarierten Scopes enthält, sprich:

                        },
                        "username": {"title": "Username", "type": "string"},
                        "password": {"title": "Password", "type": "string"},
                        "scope": {"title": "Scope", "type": "string", "default": ""},
                        "client_id": IsDict(
                            {
                                "title": "Client Id",

                    * No scopes required by itself.
                    * A dependency using `oauth2_scheme`.
                    * A `security_scopes` parameter of type `SecurityScopes`:
                        * This `security_scopes` parameter has a property `scopes` with a `list` containing all these scopes declared above, so:

@app.get("/scope-counter")
async def get_scope_counter(
    count: int = Security(dep_counter),
    scope_count_1: int = Security(dep_counter, scopes=["scope"]),
    scope_count_2: int = Security(dep_counter, scopes=["scope"]),
):
    return {
        "counter": count,
        "scope_counter_1": scope_count_1,
        "scope_counter_2": scope_count_2,
    }


client = TestClient(app)

import pytest
from fastapi import FastAPI
from fastapi.testclient import TestClient


@pytest.fixture(name="app", scope="module")
def get_app():
    with pytest.warns(DeprecationWarning):
        from docs_src.events.tutorial002 import app
    yield app


def test_events(app: FastAPI):
    with TestClient(app) as client:
        response = client.get("/items/")
        assert response.status_code == 200, response.text

::: fastapi.WebSocket
    options:
        members:
            - scope
            - app
            - url
            - base_url
            - headers
            - query_params
            - path_params
            - cookies
            - client
            - state

            raise credentials_exception
        token_scopes = payload.get("scopes", [])
        token_data = TokenData(scopes=token_scopes, username=username)
    except (JWTError, ValidationError):
        raise credentials_exception
    user = get_user(fake_users_db, username=token_data.username)
    if user is None:
        raise credentials_exception
    for scope in security_scopes.scopes:
        if scope not in token_data.scopes:

            raise credentials_exception
        token_scopes = payload.get("scopes", [])
        token_data = TokenData(scopes=token_scopes, username=username)
    except (JWTError, ValidationError):
        raise credentials_exception
    user = get_user(fake_users_db, username=token_data.username)
    if user is None:
        raise credentials_exception
    for scope in security_scopes.scopes:
        if scope not in token_data.scopes: