### Problem { #the-problem }

Peki package'leri global Python environment'a kurmanın sorunu ne?

Bir noktada, muhtemelen **farklı package**'lere bağımlı birçok farklı program yazacaksınız. Ayrıca üzerinde çalıştığınız bazı projeler, aynı package'in **farklı versiyonlarına** ihtiyaç duyacak. 😱

				return mode, retainDate, legalHold, ErrObjectLocked
			}
		}
	}

	if legalHoldRequested {
		var lerr error
		if legalHold, lerr = objectlock.ParseObjectLockLegalHoldHeaders(rq.Header); lerr != nil {
			return mode, retainDate, legalHold, toAPIErrorCode(ctx, lerr)
		}
		if legalHoldPermErr != ErrNone {
			return mode, retainDate, legalHold, legalHoldPermErr
		}
	}

Pero un archivo dotenv realmente no tiene que tener ese nombre exacto.

///

Pydantic tiene soporte para leer desde estos tipos de archivos usando un paquete externo. Puedes leer más en [Pydantic Settings: Dotenv (.env) support](https://docs.pydantic.dev/latest/concepts/pydantic_settings/#dotenv-env-support).

/// tip | Consejo

  /**
   * Do interruptible work here - do not complete Futures here, as their listeners could be
   * interrupted.
   */
  @ParametricNullness
  abstract T runInterruptibly() throws Exception;

  /**
   * Any interruption that happens as a result of calling interruptTask will arrive before this
   * method is called. Complete Futures here.
   */

errors.app.double.submit.request = Es posible que esta solicitud ya se haya procesado. Por favor, inténtelo de nuevo.
# _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
# you can define your messages here:
# e.g.
# errors.xxx = ...
# info.xxx = ...
# _/_/_/_/_/_/_/_/_/_/
# ========================================================================================
# Fess
# ======

     * Get the value for the key 'development.here'. <br>
     * The value is, e.g. true <br>
     * comment: Is development environment here? (used for various purpose, you should set false if unknown)
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getDevelopmentHere();

    /**
     * Is the property for the key 'development.here' true? <br>
     * The value is, e.g. true <br>

### Certificate Directory

type Type1 int

// TypeOrExpr is here for the purposes of documentation only. It is a stand-in
// for either a Go type or an expression.
type TypeOrExpr int

// IntegerType is here for the purposes of documentation only. It is a stand-in
// for any integer type: int, uint, int8 etc.
type IntegerType int

// FloatType is here for the purposes of documentation only. It is a stand-in
// for either float type: float32 or float64.

        }
    }
)


class User(BaseModel):
    username: str


# Here we use string annotations to test them
def get_current_user(oauth_header: "str" = Security(reusable_oauth2)):
    user = User(username=oauth_header)
    return user


@app.post("/login")
# Here we use string annotations to test them
def login(form_data: "OAuth2PasswordRequestFormStrict" = Depends()):

### Lire les héros { #read-heroes }

Nous pouvons **lire** des `Hero` depuis la base en utilisant un `select()`. Nous pouvons inclure une `limit` et un `offset` pour paginer les résultats.

{* ../../docs_src/sql_databases/tutorial001_an_py310.py ln[48:55] hl[51:52,54] *}

### Lire un héros { #read-one-hero }

Nous pouvons **lire** un seul `Hero`.