* 同样适用于 `app/routers/users.py`，它是另一个子模块：`app.routers.users`。
* 还有一个子目录 `app/internal/` 包含另一个 `__init__.py` 文件，因此它是又一个「Python 子包」：`app.internal`。
* `app/internal/admin.py` 是另一个子模块：`app.internal.admin`。

<img src="https://fastapi.tiangolo.com/img/tutorial/bigger-applications/package.svg">

带有注释的同一文件结构：

```
.
├── app                  # 「app」是一个 Python 包
│   ├── __init__.py      # 这个文件使「app」成为一个 Python 包

// copyWithChildren will copy entry with hash from src if it exists along with any children.
// If a parent is specified it will be added to that if not already there.
// If the parent does not exist, it will be added.
func (d *dataUsageCache) copyWithChildren(src *dataUsageCache, hash dataUsageHash, parent *dataUsageHash) {
	if d.Cache == nil {
		d.Cache = make(map[string]dataUsageEntry, 100)
	}
	e, ok := src.Cache[hash.String()]
	if !ok {
		return

	// It has a buffer size of 128K:
	// https://github.com/aws/aws-sdk-java/blob/master/aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/internal/eventstreaming/MessageDecoder.java#L26
	// but we must make sure there is always space to add 256 bytes:
	// https://github.com/aws/aws-sdk-java/blob/master/aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/model/SelectObjectContentEventStream.java#L197
	maxRecordMessageLength = (128 << 10) - 256

import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.charset.Charset;
import javax.annotation.CheckForNull;

/**
 * See MurmurHash3_x86_32 in <a
 * href="https://github.com/aappleby/smhasher/blob/master/src/MurmurHash3.cpp">the C++
 * implementation</a>.
 *
 * @author Austin Appleby
 * @author Dimitris Andreou
 * @author Kurt Alfred Kluever
 */
@Immutable
@ElementTypesAreNonnullByDefault

        reader = new DefaultModelReader(null);
        writer = new DefaultModelWriter();
        assembler = new DefaultInheritanceAssembler();
    }

    private File getPom(String name) {
        return new File("src/test/resources/poms/inheritance/" + name + ".xml");
    }

    private Model getModel(String name) throws IOException {
        return reader.read(getPom(name), null).getDelegate();
    }

    @Test

[kubernetes.tar.gz](https://dl.k8s.io/v1.11.10/kubernetes.tar.gz) | `30e201e86df369cafb6269436acd87aca7d7894474df671ef806725121399e222db3174304991256c6d78ed19794db1a1e84fbc22894e540e9cfc3e4168c0d58`
[kubernetes-src.tar.gz](https://dl.k8s.io/v1.11.10/kubernetes-src.tar.gz) | `e4c62ccd033dc76dc3063e72ef6011e2555d77fe535477a548131821c34f1dcdff49dc111d6320fb73edb0bf3b7dbaf231f9dc38ece9c6f88bae5e4abc3e677d`

### Client Binaries

filename | sha512 hash

#       Darwin, MinGW, and NonStop.
#
#   (3) This script is generated from the Groovy template
#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
#       within the Gradle project.
#
#       You can find Gradle at https://github.com/gradle/gradle/.
#

filename | sha256 hash
-------- | -----------
[kubernetes.tar.gz](https://dl.k8s.io/v1.4.12/kubernetes.tar.gz) | `f0d7ca7e1c92174c900d49087347d043b817eb589803eacc7727a84df9280ed2`
[kubernetes-src.tar.gz](https://dl.k8s.io/v1.4.12/kubernetes-src.tar.gz) | `251835f258d79f186d8c715b18f2ccb93312270b35c22434b4ff27bc1de50eda`

### Client Binaries

filename | sha256 hash
-------- | -----------

And you will be able to select which scopes you want to give access to: `me` and `items`.

This is the same mechanism used when you give permissions while logging in with Facebook, Google, GitHub, etc:

<img src="/img/tutorial/security/image11.png">

## JWT token with scopes

Now, modify the token *path operation* to return the scopes requested.

[kubernetes.tar.gz](https://dl.k8s.io/v1.9.11/kubernetes.tar.gz) | `4f04d07e31ca49c033680cabb011de1d893db94213ee3d68cb4345be435012279682b299f2b44dce596bcfd6806a253e9544e263d5a7003ccbab92da8dcfed24`
[kubernetes-src.tar.gz](https://dl.k8s.io/v1.9.11/kubernetes-src.tar.gz) | `49e1134c365d2a6662bc85e055960581909704508e67aad920c46662666c230430c44bd08ce242825a2bb316b3220fbcbdf40232d8c42491cb3aa27a2ce8def8`

### Client Binaries

filename | sha512 hash