{!../../docs_src/advanced_middleware/tutorial003.py!}
```

📄 ❌ 🐕‍🦺:

* `minimum_size` - 🚫 🗜 📨 👈 🤪 🌘 👉 💯 📐 🔢. 🔢 `500`.

## 🎏 🛠️

📤 📚 🎏 🔫 🛠️.

🖼:

* <a href="https://github.com/encode/uvicorn/blob/master/uvicorn/middleware/proxy_headers.py" class="external-link" target="_blank">Uvicorn `ProxyHeadersMiddleware`</a>
* <a href="https://github.com/florimondmanca/msgpack-asgi" class="external-link" target="_blank">🇸🇲</a>

* They are rarely updated after creation and initial review, and then become hard to follow, especially after important decisions are made
* They are not synced with the code to reflect the eventual solution that is committed
* Google Docs is not a "code-oriented" tool, like asciidoc can be
* Review in Google Docs is not as simple as a PR code review in GitHub

## Decision

-   Once the tests pass, we now bring all the code into the internal code base,
    using a job called "copybara".

**5. Copy to Google Internal codebase and run internal CI**

-   Once the PR is in the Google codebase, we make sure it integrates well with
    its dependencies and the rest of the system.
-   Rarely, If the tests fail at this stage, we cannot merge the code.

Additional work was also done to implement an OpenStack driver for the Cluster API effort lead by SIG Cluster Lifecycle. For the external Cloud-Provider-OpenStack code, the SIG largely focused on bug fixes and updates to match K8s 1.13 development.

### SIG Scalability

   * was run [asynchronously][Call.enqueue] or [synchronously][Call.execute]. Asynchronous calls
   * become idle after the [onResponse][Callback.onResponse] or [onFailure][Callback.onFailure]
   * callback has returned. Synchronous calls become idle once [execute()][Call.execute] returns.
   * This means that if you are doing synchronous calls the network layer will not truly be idle

                                buf.append('&');
                                buf.append(LdiURLUtil.encode(name, Constants.UTF_8));
                                buf.append('=');
                                buf.append(LdiURLUtil.encode(value, Constants.UTF_8));
                            }
                        }
                    }
                }

        return 2;
    }


    @Override
    protected int writeParametersWireFormat ( byte[] dst, int dstIndex ) {
        int start = dstIndex;
        dstIndex += this.request.encode(dst, dstIndex);
        return dstIndex - start;
    }


    @Override
    protected int writeDataWireFormat ( byte[] dst, int dstIndex ) {
        return 0;
    }


    @Override

            SMBUtil.writeInt4(0, dst, inBufferLengthOffset);
        }
        else {
            SMBUtil.writeInt2(dstIndex - getHeaderStart(), dst, inBufferOffsetOffset);
            int len = this.inputBuffer.encode(dst, dstIndex);
            SMBUtil.writeInt4(len, dst, inBufferLengthOffset);
            dstIndex += len;
        }
        return dstIndex - start;
    }


    /**
     * {@inheritDoc}
     *

   *
   * Otherwise if the response has a `Content-Type` header that specifies a charset, that is used
   * to determine the charset of the response bytes.
   *
   * Otherwise the response bytes are decoded as UTF-8.
   */
  fun charStream(): Reader =
    reader ?: BomAwareReader(source(), charset()).also {
      reader = it
    }

  /**
   * Returns the response as a string.
   *

 * includes both natural exceptions such as unreachable servers, as well as synthetic exceptions
 * when responses are of an unexpected type or cannot be decoded.
 *
 * Other exception types cancel the current call:
 *
 *  * For synchronous calls made with [Call.execute], the exception is propagated to the caller.
 *