1 files changed, 1 insertions, 62 deletions
diff --git a/synapse/media/_base.py b/synapse/media/_base.py
index 19bca94170..3fbed6062f 100644
--- a/synapse/media/_base.py
+++ b/synapse/media/_base.py
@@ -25,16 +25,7 @@ import os
 import urllib
 from abc import ABC, abstractmethod
 from types import TracebackType
-from typing import (
-    TYPE_CHECKING,
-    Awaitable,
-    Dict,
-    Generator,
-    List,
-    Optional,
-    Tuple,
-    Type,
-)
+from typing import Awaitable, Dict, Generator, List, Optional, Tuple, Type
 
 import attr
 
@@ -48,11 +39,6 @@ from synapse.http.site import SynapseRequest
 from synapse.logging.context import make_deferred_yieldable
 from synapse.util.stringutils import is_ascii
 
-if TYPE_CHECKING:
-    from synapse.media.media_storage import MultipartResponder
-    from synapse.storage.databases.main.media_repository import LocalMedia
-
-
 logger = logging.getLogger(__name__)
 
 # list all text content types that will have the charset default to UTF-8 when
@@ -274,53 +260,6 @@ def _can_encode_filename_as_token(x: str) -> bool:
     return True
 
 
-async def respond_with_multipart_responder(
-    request: SynapseRequest,
-    responder: "Optional[MultipartResponder]",
-    media_info: "LocalMedia",
-) -> None:
-    """
-    Responds via a Multipart responder for the federation media `/download` requests
-
-    Args:
-        request: the federation request to respond to
-        responder: the Multipart responder which will send the response
-        media_info: metadata about the media item
-    """
-    if not responder:
-        respond_404(request)
-        return
-
-    # If we have a responder we *must* use it as a context manager.
-    with responder:
-        if request._disconnected:
-            logger.warning(
-                "Not sending response to request %s, already disconnected.", request
-            )
-            return
-
-        logger.debug("Responding to media request with responder %s", responder)
-        if media_info.media_length is not None:
-            request.setHeader(b"Content-Length", b"%d" % (media_info.media_length,))
-        request.setHeader(
-            b"Content-Type", b"multipart/mixed; boundary=%s" % responder.boundary
-        )
-
-        try:
-            await responder.write_to_consumer(request)
-        except Exception as e:
-            # The majority of the time this will be due to the client having gone
-            # away. Unfortunately, Twisted simply throws a generic exception at us
-            # in that case.
-            logger.warning("Failed to write to consumer: %s %s", type(e), e)
-
-            # Unregister the producer, if it has one, so Twisted doesn't complain
-            if request.producer:
-                request.unregisterProducer()
-
-    finish_request(request)
-
-
 async def respond_with_responder(
     request: SynapseRequest,
     responder: "Optional[Responder]",