Dieser Teil ist ziemlich normal, der größte Teil des Codes ist Ihnen wahrscheinlich bereits bekannt:

```Python hl_lines="9-13  36-53"
{!../../../docs_src/openapi_callbacks/tutorial001.py!}
```

!!! tip "Tipp"

## 😐 **FastAPI** 📱

➡️ 🥇 👀 ❔ 😐 🛠️ 📱 🔜 👀 💖 ⏭ ❎ ⏲.

⚫️ 🔜 ✔️ *➡ 🛠️* 👈 🔜 📨 `Invoice` 💪, & 🔢 🔢 `callback_url` 👈 🔜 🔌 📛 ⏲.

👉 🍕 📶 😐, 🌅 📟 🎲 ⏪ 😰 👆:

```Python hl_lines="9-13  36-53"
{!../../../docs_src/openapi_callbacks/tutorial001.py!}
```

!!! tip
     `callback_url` 🔢 🔢 ⚙️ Pydantic <a href="https://docs.pydantic.dev/latest/concepts/types/#urls" class="external-link" target="_blank">📛</a> 🆎.

            Let's take the warnings for one module, c.g.c.base.testModule, as an example:

              [INFO] Validating units:
              [INFO]    Ignored 53 units with compilation errors in first pass.
              [INFO] Compile with -strict or with -logLevel set to TRACE or DEBUG to see all errors.

	configureCmd.PersistentFlags().BoolVar(&dnsCapture, "capture-dns", true, "Enables the capture of outgoing DNS packets on port 53, redirecting to istio-agent")
	configureCmd.PersistentFlags().StringVar(&internalIP, "internalIP", "", "Internal IP address of the workload")

endif
VERSION := $(VERSION_FROM_FILE)-dev
endif

export VERSION

# Base version of Istio image to use
BASE_VERSION ?= master-2024-05-08T18-51-53
ISTIO_BASE_REGISTRY ?= gcr.io/istio-release

export GO111MODULE ?= on
export GOPROXY ?= https://proxy.golang.org
export GOSUMDB ?= sum.golang.org

# If GOPATH is not set by the env, set it to a sane value

	_ = x[StateConnected-2]
	_ = x[StateConnectionError-3]
	_ = x[StateShutdown-4]
}

const stateName = "UnconnectedConnectingConnectedConnectionErrorShutdown"

var stateIndex = [...]uint8{0, 11, 21, 30, 45, 53}

func (i State) String() string {
	if i >= State(len(stateIndex)-1) {
		return "State(" + strconv.FormatInt(int64(i), 10) + ")"
	}
	return stateName[stateIndex[i]:stateIndex[i+1]]

- login: YuriiMotov
  count: 75
  avatarUrl: https://avatars.githubusercontent.com/u/109919500?u=e83a39697a2d33ab2ec9bfbced794ee48bc29cec&v=4
  url: https://github.com/YuriiMotov
- login: jgould22
  count: 53
  avatarUrl: https://avatars.githubusercontent.com/u/4335847?u=ed77f67e0bb069084639b24d812dbb2a2b1dc554&v=4
  url: https://github.com/jgould22
- login: JavierSanchezCastro
  count: 40

		// Tests on hierarchical key names as prefix.
		// Without delimteter the code should recurse into the prefix Dir.
		// Tests with prefix, but without delimiter (53-54).
		{"test-bucket-list-object", "Asia/India/", "", "", 10, resultCases[23], nil, true},
		{"test-bucket-list-object", "Asia", "", "", 10, resultCases[24], nil, true},
		// Tests with prefix and delimiter (55-57).

### Create your **FastAPI** *path operations*

Now, finally, here's the standard **FastAPI** *path operations* code.

=== "Python 3.9+"

    ```Python hl_lines="21-26  29-32  35-40  43-47  50-53"
    {!> ../../../docs_src/sql_databases/sql_app_py39/main.py!}
    ```

=== "Python 3.8+"

    ```Python hl_lines="23-28  31-34  37-42  45-49  52-55"
    {!> ../../../docs_src/sql_databases/sql_app/main.py!}

    ```Python hl_lines="23-28  31-34  37-42  45-49  52-55"
    {!> ../../../docs_src/sql_databases/sql_app/main.py!}
    ```

=== "🐍 3️⃣.9️⃣ & 🔛"

    ```Python hl_lines="21-26  29-32  35-40  43-47  50-53"
    {!> ../../../docs_src/sql_databases/sql_app_py39/main.py!}
    ```

👥 🏗 💽 🎉 ⏭ 🔠 📨 🔗 ⏮️ `yield`, & ⤴️ 📪 ⚫️ ⏮️.

& ⤴️ 👥 💪 ✍ 🚚 🔗 *➡ 🛠️ 🔢*, 🤚 👈 🎉 🔗.