Importing from <font color="#75507B">/home/user/code/</font><font color="#AD7FA8">awesomeapp</font>

   <span style="background-color:#007166"><font color="#D3D7CF"> module </font></span>  🐍 main.py

     <span style="background-color:#007166"><font color="#D3D7CF"> code </font></span>  Importing the FastAPI app object from the module with
             the following code:

package dsync

import (
	"fmt"
	"io"
	"net/http"
	"net/http/httptest"
	"sync"
	"sync/atomic"
	"time"

	"github.com/minio/mux"
)

const numberOfNodes = 5

var (
	ds          *Dsync
	nodes       = make([]*httptest.Server, numberOfNodes) // list of node IP addrs or hostname with ports.
	lockServers = make([]*lockServer, numberOfNodes)
)

func getLockArgs(r *http.Request) (args LockArgs, err error) {

# (1)
FROM python:3.9

# (2)
WORKDIR /code

# (3)
COPY ./requirements.txt /code/requirements.txt

# (4)
RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

# (5)
COPY ./app /code/app

# (6)
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "80"]
```

1. 公式のPythonベースイメージから始めます

2. 現在の作業ディレクトリを `/code` に設定します

Modern versions of Python have support for **"asynchronous code"** using something called **"coroutines"**, with **`async` and `await`** syntax.

Let's see that phrase by parts in the sections below:

* **Asynchronous Code**
* **`async` and `await`**
* **Coroutines**

## Asynchronous Code { #asynchronous-code }

| `contact` | `dict` | 公开的 API 的联系信息。它可以包含多个字段。<details><summary><code>contact</code> 字段</summary><table><thead><tr><th>参数</th><th>Type</th><th>描述</th></tr></thead><tbody><tr><td><code>name</code></td><td><code>str</code></td><td>联系人/组织的识别名称。</td></tr><tr><td><code>url</code></td><td><code>str</code></td><td>指向联系信息的 URL。必须采用 URL 格式。</td></tr><tr><td><code>email</code></td><td><code>str</code></td><td>联系人/组织的电子邮件地址。必须采用电子邮件地址的格式。</td></tr></tbody></table></details> |

e>str</code></td><td><strong>ERFORDERLICH</strong> (wenn eine <code>license_info</code> festgelegt ist). Der für die API verwendete Lizenzname.</td></tr><tr><td><code>identifier</code></td><td><code>str</code></td><td>Ein <a href="https://spdx.org/licenses/" class="external-link" target="_blank">SPDX</a>-Lizenzausdruck für die API. Das Feld <code>identifier</code> und das Feld <code>url</code> schließen sich gegenseitig aus. <small>Verfügbar seit OpenAPI 3.1.0, FastAPI 0.99.0.</small></td></tr><...

ode>name</code></td><td><code>str</code></td><td><strong>REQUERIDO</strong> (si se establece un <code>license_info</code>). El nombre de la licencia utilizada para la API.</td></tr><tr><td><code>identifier</code></td><td><code>str</code></td><td>Una expresión de licencia <a href="https://spdx.org/licenses/" class="external-link" target="_blank">SPDX</a> para la API. El campo <code>identifier</code> es mutuamente excluyente del campo <code>url</code>. <small>Disponible desde OpenAPI 3.1.0, FastAPI...

      including but not limited to software source code, documentation
      source, and configuration files.

      "Object" form shall mean any form resulting from mechanical
      transformation or translation of a Source form, including but
      not limited to compiled object code, generated documentation,
      and conversions to other media types.

	DB.Model(&product).Select("Name", "Code", "Price").Updates(Product3{Name: "Product New4", Code: ""})
	if product.Name != "Product New4" || product.Price != 320 || product.Code != "" {
		t.Errorf("invalid data after update, got %+v", product)
	}

	DB.Model(&product).UpdateColumns(Product3{Code: "L1215"})
	if product.Price != 320 || product.Code != "L1215" {
		t.Errorf("invalid data after update, got %+v", product)

                       const std::unordered_set<string>& nodes) {
    ASSERT_EQ(nodes.size(), fdef.node_def_size())
        << "Got unexpected number of nodes. Expected: ["
        << absl::StrJoin(nodes, ", ")
        << "] Actual nodes in fdef: " << fdef.DebugString();
    for (const NodeDef& node_def : fdef.node_def()) {
      ASSERT_TRUE(nodes.find(node_def.name()) != nodes.end())
          << "Got unexpected node: " << node_def.name()