```console
$ pip install -r requirements.txt
---> 100%
Successfully installed fastapi pydantic
```

</div>

/// info | Información

Existen otros formatos y herramientas para definir e instalar dependencias de paquetes.

///

### Crear el Código de **FastAPI** { #create-the-fastapi-code }

* Crea un directorio `app` y entra en él.
* Crea un archivo vacío `__init__.py`.

			return nil, 0, 0, err
		}
		var decRangeLength int64
		decRangeLength, err = rs.GetLength(decSize)
		if err != nil {
			return nil, 0, 0, err
		}

		// We define a closure that performs decryption given
		// a reader that returns the desired range of
		// encrypted bytes. The header parameter is used to
		// provide encryption parameters.

  /** Returns whether this monitor is using a fair ordering policy. */
  public boolean isFair() {
    return fair;
  }

  /**
   * Returns whether this monitor is occupied by any thread. This method is designed for use in
   * monitoring of the system state, not for synchronization control.
   */
  public boolean isOccupied() {
    return lock.isLocked();
  }

  /**

     *     .sslSocketFactory(sslSocketFactory, trustManager)
     *     .build();
     * ```
     *
     * ## TrustManagers on Android are Weird!
     *
     * Trust managers targeting Android must also define a method that has this signature:
     *
     * ```java
     *    @SuppressWarnings("unused")
     *    public List<X509Certificate> checkServerTrusted(

 * loading), and fewer <a
 * href="https://github.com/google/guava/issues?q=is%3Aopen+is%3Aissue+label%3Apackage%3Dcache+label%3Atype%3Ddefect">bugs</a>.
 *
 * <p>Caffeine defines its own interfaces (<a
 * href="https://www.javadoc.io/doc/com.github.ben-manes.caffeine/caffeine/latest/com.github.benmanes.caffeine/com/github/benmanes/caffeine/cache/Cache.html">{@code
 * Cache}</a>, <a

 *
 * <p>This class should be used by other collection classes only.
 *
 * @author Mike Bostock
 * @author Jared Levy
 */
@J2ktIncompatible
@GwtCompatible
/*
 * I have decided not to bother adding @ParametricNullness annotations in this class. Adding them is
 * a lot of busy work, and the annotation matters only when the APIs to be annotated are visible to

 *
 * <p>This class should be used by other collection classes only.
 *
 * @author Mike Bostock
 * @author Jared Levy
 */
@J2ktIncompatible
@GwtCompatible
/*
 * I have decided not to bother adding @ParametricNullness annotations in this class. Adding them is
 * a lot of busy work, and the annotation matters only when the APIs to be annotated are visible to

	// try this server to generate a new token.

	type healResp struct {
		respBytes []byte
		apiErr    APIError
		errBody   string
	}

	// Define a closure to start sending whitespace to client
	// after 10s unless a response item comes in
	keepConnLive := func(w http.ResponseWriter, r *http.Request, respCh chan healResp) {
		ticker := time.NewTicker(time.Second * 10)

like then?'  And she tried to fancy what the flame of a candle is
like after the candle is blown out, for she could not remember
ever having seen such a thing.

  After a while, finding that nothing more happened, she decided
on going into the garden at once; but, alas for poor Alice!
when she got to the door, she found she had forgotten the
little golden key, and when she went back to the table for it,

        .build()
    val call = client.newCall(Request(server.url("/")))
    val response = call.execute()
    assertThat(response.body.string()).isEqualTo("Successful auth!")
    val denied = server.takeRequest()
    assertThat(denied.headers["Authorization"]).isNull()
    val accepted = server.takeRequest()
    assertThat(accepted.requestLine).isEqualTo("GET / HTTP/2")