`/users/me`처럼, 현재 사용자의 데이터를 가져온다고 합시다.

사용자 ID를 이용해 특정 사용자의 정보를 가져오는 경로 `/users/{user_id}`도 있습니다.

*경로 처리*는 순차적으로 평가되기 때문에 `/users/me`에 대한 경로가 `/users/{user_id}` 이전에 먼저 선언되었는지 확인해야 합니다:

{* ../../docs_src/path_params/tutorial003_py310.py hl[6,11] *}

그렇지 않으면 `/users/{user_id}`에 대한 경로가 `/users/me`에도 매칭되어, 매개변수 `user_id`에 `"me"` 값이 들어왔다고 "생각하게" 됩니다.

마찬가지로, 경로 처리를 재정의할 수는 없습니다:

    name: str


app = FastAPI()


def get_session():
    with Session(engine) as session:
        yield session


def get_user(user_id: int, session: Annotated[Session, Depends(get_session)]):
    user = session.get(User, user_id)
    if not user:
        raise HTTPException(status_code=403, detail="Not authorized")
    session.close()


def generate_stream(query: str):
    for ch in query:

`/users/me` から、現在のユーザに関するデータを取得するとします。

さらに、ユーザIDによって特定のユーザに関する情報を取得するパス  `/users/{user_id}` ももつことができます。

*path operations* は順に評価されるので、 `/users/me` が `/users/{user_id}` よりも先に宣言されているか確認する必要があります:

{* ../../docs_src/path_params/tutorial003_py310.py hl[6,11] *}

それ以外の場合、 `/users/{user_id}` は `/users/me` としてもマッチします。値が `"me"` であるパラメータ `user_id` を受け取ると「考え」ます。

同様に、path operation を再定義することはできません:

And then you can also have a path `/users/{user_id}` to get data about a specific user by some user ID.

Because *path operations* are evaluated in order, you need to make sure that the path for `/users/me` is declared before the one for `/users/{user_id}`:

{* ../../docs_src/path_params/tutorial003_py310.py hl[6,11] *}

    go install github.com/microsoft/go-sqlcmd/cmd/sqlcmd@latest || true
    for query in \
      "IF DB_ID('gorm') IS NULL CREATE DATABASE gorm" \
      "IF SUSER_ID (N'gorm') IS NULL CREATE LOGIN gorm WITH PASSWORD = 'LoremIpsum86';" \
      "IF USER_ID (N'gorm') IS NULL CREATE USER gorm FROM LOGIN gorm; ALTER SERVER ROLE sysadmin ADD MEMBER [gorm];"
    do

在建立「路徑操作」時，你可能會遇到有固定路徑的情況。

像是 `/users/me`，假設它用來取得目前使用者的資料。

然後你也可能有一個路徑 `/users/{user_id}` 用來依使用者 ID 取得特定使用者的資料。

因為「路徑操作」會依宣告順序來比對，你必須確保 `/users/me` 的路徑在 `/users/{user_id}` 之前宣告：

{* ../../docs_src/path_params/tutorial003_py310.py hl[6,11] *}

否則，`/users/{user_id}` 的路徑也會匹配 `/users/me`，並「認為」它收到一個值為 `"me"` 的 `user_id` 參數。

同樣地，你不能重新定義同一路徑操作：

{* ../../docs_src/path_params/tutorial003b_py310.py hl[6,11] *}

        assertNull(StringUtil.camelize(null));
        assertEquals("Emp", StringUtil.camelize("EMP"));
        assertEquals("AaaBbb", StringUtil.camelize("AAA_BBB"));
        assertEquals("UserId", StringUtil.camelize("USER_ID"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testDecamelize() throws Exception {
        assertNull(StringUtil.decamelize(null));

			}},
			References: []Reference{{"ID", "User", "UserID", "UserSpeak", "", true}, {"Code", "Language", "LanguageCode", "UserSpeak", "", false}},
		},
		{
			Name: "Friends", Type: schema.Many2Many, Schema: "User", FieldSchema: "User",
			JoinTable: JoinTable{Name: "user_friends", Table: "user_friends", Fields: []schema.Field{
				{
					Name: "UserID", DBName: "user_id", BindNames: []string{"UserID"}, DataType: schema.Uint,

You write standard Python with types:

```Python
from datetime import date

from pydantic import BaseModel

# Declare a variable as a str
# and get editor support inside the function
def main(user_id: str):
    return user_id


# A Pydantic model
class User(BaseModel):
    id: int
    name: str
    joined: date
```

That can then be used like:

```Python

For example, let's say you have 4 API endpoints (*path operations*):

* `/items/public/`
* `/items/private/`
* `/users/{user_id}/activate`
* `/items/pro/`

then you could add different permission requirements for each of them just with dependencies and sub-dependencies:

```mermaid
graph TB

current_user(["current_user"])