## События, отправляемые сервером (SSE) { #server-sent-events-sse }

## Події, надіслані сервером (SSE) { #server-sent-events-sse }

        return new CurlRequest(Method.GET, url);
    }

    /**
     * Creates a new CurlRequest with the HTTP POST method for the specified URL.
     *
     * @param url the URL to which the POST request will be sent
     * @return a new CurlRequest object configured with the POST method and the specified URL
     */
    public static CurlRequest post(final String url) {
        return new CurlRequest(Method.POST, url);
    }

{* ../../docs_src/stream_json_lines/tutorial001_py310.py ln[33:36] hl[34] *}

## Server-Sent Events (SSE) { #server-sent-events-sse }

```python
from typing import Annotated

from fastapi import Depends, FastAPI

app = FastAPI()


def get_username():
    try:
        yield "Rick"
    finally:
        print("Cleanup up before response is sent")

UserNameDep = Annotated[str, Depends(get_username, scope="function")]

            writeJsonResponse(response, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, createErrorResponse("Internal server error"));
        }
    }

    /**
     * Processes a streaming chat request using Server-Sent Events (SSE).
     * Uses the enhanced multi-phase RAG flow with intent detection and result evaluation.
     *
     * @param request the HTTP request
     * @param response the HTTP response

	// Buffers sent on out can not be referenced once sent.
	StreamHandlerFn func(ctx context.Context, payload []byte, in <-chan []byte, out chan<- []byte) *RemoteErr

	// StreamHandler handles fully bidirectional streams,
	// There is flow control in both directions.
	StreamHandler struct {
		// Handle an incoming request. Initial payload is sent.

Using `Depends(scope="function")`, the exit code after `yield` is executed right after the *path operation function* is finished, before the response is sent back to the client.

And when using `Depends(scope="request")` (the default), the exit code after `yield` is executed after the response is sent.

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package hash

import (
	"errors"
	"fmt"
)

// SHA256Mismatch - when content sha256 does not match with what was sent from client.
type SHA256Mismatch struct {
	ExpectedSHA256   string
	CalculatedSHA256 string
}

func (e SHA256Mismatch) Error() string {

 *    either peer may not have been transmitted to the other.
 *
 * Note that the state progression is independent for each peer. Arriving at a gracefully-closed
 * state indicates that a peer has sent all of its outgoing messages and received all of its
 * incoming messages. But it does not guarantee that the other peer will successfully receive all of
 * its incoming messages.
 *
 * ## Message Queue
 *