From caec7d4fa0041697b7714e638477772f0a827ff6 Mon Sep 17 00:00:00 2001 From: Patrick Cloke Date: Fri, 20 Mar 2020 07:20:02 -0400 Subject: Convert some of the media REST code to async/await (#7110) --- synapse/rest/media/v1/media_repository.py | 110 ++++++++++++-------------- synapse/rest/media/v1/preview_url_resource.py | 37 ++++----- synapse/rest/media/v1/thumbnail_resource.py | 54 ++++++------- 3 files changed, 90 insertions(+), 111 deletions(-) (limited to 'synapse/rest/media') diff --git a/synapse/rest/media/v1/media_repository.py b/synapse/rest/media/v1/media_repository.py index 490b1b45a8..fd10d42f2f 100644 --- a/synapse/rest/media/v1/media_repository.py +++ b/synapse/rest/media/v1/media_repository.py @@ -24,7 +24,6 @@ from six import iteritems import twisted.internet.error import twisted.web.http -from twisted.internet import defer from twisted.web.resource import Resource from synapse.api.errors import ( @@ -114,15 +113,14 @@ class MediaRepository(object): "update_recently_accessed_media", self._update_recently_accessed ) - @defer.inlineCallbacks - def _update_recently_accessed(self): + async def _update_recently_accessed(self): remote_media = self.recently_accessed_remotes self.recently_accessed_remotes = set() local_media = self.recently_accessed_locals self.recently_accessed_locals = set() - yield self.store.update_cached_last_access_time( + await self.store.update_cached_last_access_time( local_media, remote_media, self.clock.time_msec() ) @@ -138,8 +136,7 @@ class MediaRepository(object): else: self.recently_accessed_locals.add(media_id) - @defer.inlineCallbacks - def create_content( + async def create_content( self, media_type, upload_name, content, content_length, auth_user ): """Store uploaded content for a local user and return the mxc URL @@ -158,11 +155,11 @@ class MediaRepository(object): file_info = FileInfo(server_name=None, file_id=media_id) - fname = yield self.media_storage.store_file(content, file_info) + fname = await self.media_storage.store_file(content, file_info) logger.info("Stored local media in file %r", fname) - yield self.store.store_local_media( + await self.store.store_local_media( media_id=media_id, media_type=media_type, time_now_ms=self.clock.time_msec(), @@ -171,12 +168,11 @@ class MediaRepository(object): user_id=auth_user, ) - yield self._generate_thumbnails(None, media_id, media_id, media_type) + await self._generate_thumbnails(None, media_id, media_id, media_type) return "mxc://%s/%s" % (self.server_name, media_id) - @defer.inlineCallbacks - def get_local_media(self, request, media_id, name): + async def get_local_media(self, request, media_id, name): """Responds to reqests for local media, if exists, or returns 404. Args: @@ -190,7 +186,7 @@ class MediaRepository(object): Deferred: Resolves once a response has successfully been written to request """ - media_info = yield self.store.get_local_media(media_id) + media_info = await self.store.get_local_media(media_id) if not media_info or media_info["quarantined_by"]: respond_404(request) return @@ -204,13 +200,12 @@ class MediaRepository(object): file_info = FileInfo(None, media_id, url_cache=url_cache) - responder = yield self.media_storage.fetch_media(file_info) - yield respond_with_responder( + responder = await self.media_storage.fetch_media(file_info) + await respond_with_responder( request, responder, media_type, media_length, upload_name ) - @defer.inlineCallbacks - def get_remote_media(self, request, server_name, media_id, name): + async def get_remote_media(self, request, server_name, media_id, name): """Respond to requests for remote media. Args: @@ -236,8 +231,8 @@ class MediaRepository(object): # We linearize here to ensure that we don't try and download remote # media multiple times concurrently key = (server_name, media_id) - with (yield self.remote_media_linearizer.queue(key)): - responder, media_info = yield self._get_remote_media_impl( + with (await self.remote_media_linearizer.queue(key)): + responder, media_info = await self._get_remote_media_impl( server_name, media_id ) @@ -246,14 +241,13 @@ class MediaRepository(object): media_type = media_info["media_type"] media_length = media_info["media_length"] upload_name = name if name else media_info["upload_name"] - yield respond_with_responder( + await respond_with_responder( request, responder, media_type, media_length, upload_name ) else: respond_404(request) - @defer.inlineCallbacks - def get_remote_media_info(self, server_name, media_id): + async def get_remote_media_info(self, server_name, media_id): """Gets the media info associated with the remote file, downloading if necessary. @@ -274,8 +268,8 @@ class MediaRepository(object): # We linearize here to ensure that we don't try and download remote # media multiple times concurrently key = (server_name, media_id) - with (yield self.remote_media_linearizer.queue(key)): - responder, media_info = yield self._get_remote_media_impl( + with (await self.remote_media_linearizer.queue(key)): + responder, media_info = await self._get_remote_media_impl( server_name, media_id ) @@ -286,8 +280,7 @@ class MediaRepository(object): return media_info - @defer.inlineCallbacks - def _get_remote_media_impl(self, server_name, media_id): + async def _get_remote_media_impl(self, server_name, media_id): """Looks for media in local cache, if not there then attempt to download from remote server. @@ -299,7 +292,7 @@ class MediaRepository(object): Returns: Deferred[(Responder, media_info)] """ - media_info = yield self.store.get_cached_remote_media(server_name, media_id) + media_info = await self.store.get_cached_remote_media(server_name, media_id) # file_id is the ID we use to track the file locally. If we've already # seen the file then reuse the existing ID, otherwise genereate a new @@ -317,19 +310,18 @@ class MediaRepository(object): logger.info("Media is quarantined") raise NotFoundError() - responder = yield self.media_storage.fetch_media(file_info) + responder = await self.media_storage.fetch_media(file_info) if responder: return responder, media_info # Failed to find the file anywhere, lets download it. - media_info = yield self._download_remote_file(server_name, media_id, file_id) + media_info = await self._download_remote_file(server_name, media_id, file_id) - responder = yield self.media_storage.fetch_media(file_info) + responder = await self.media_storage.fetch_media(file_info) return responder, media_info - @defer.inlineCallbacks - def _download_remote_file(self, server_name, media_id, file_id): + async def _download_remote_file(self, server_name, media_id, file_id): """Attempt to download the remote file from the given server name, using the given file_id as the local id. @@ -351,7 +343,7 @@ class MediaRepository(object): ("/_matrix/media/v1/download", server_name, media_id) ) try: - length, headers = yield self.client.get_file( + length, headers = await self.client.get_file( server_name, request_path, output_stream=f, @@ -397,7 +389,7 @@ class MediaRepository(object): ) raise SynapseError(502, "Failed to fetch remote media") - yield finish() + await finish() media_type = headers[b"Content-Type"][0].decode("ascii") upload_name = get_filename_from_headers(headers) @@ -405,7 +397,7 @@ class MediaRepository(object): logger.info("Stored remote media in file %r", fname) - yield self.store.store_cached_remote_media( + await self.store.store_cached_remote_media( origin=server_name, media_id=media_id, media_type=media_type, @@ -423,7 +415,7 @@ class MediaRepository(object): "filesystem_id": file_id, } - yield self._generate_thumbnails(server_name, media_id, file_id, media_type) + await self._generate_thumbnails(server_name, media_id, file_id, media_type) return media_info @@ -458,16 +450,15 @@ class MediaRepository(object): return t_byte_source - @defer.inlineCallbacks - def generate_local_exact_thumbnail( + async def generate_local_exact_thumbnail( self, media_id, t_width, t_height, t_method, t_type, url_cache ): - input_path = yield self.media_storage.ensure_media_is_in_local_cache( + input_path = await self.media_storage.ensure_media_is_in_local_cache( FileInfo(None, media_id, url_cache=url_cache) ) thumbnailer = Thumbnailer(input_path) - t_byte_source = yield defer_to_thread( + t_byte_source = await defer_to_thread( self.hs.get_reactor(), self._generate_thumbnail, thumbnailer, @@ -490,7 +481,7 @@ class MediaRepository(object): thumbnail_type=t_type, ) - output_path = yield self.media_storage.store_file( + output_path = await self.media_storage.store_file( t_byte_source, file_info ) finally: @@ -500,22 +491,21 @@ class MediaRepository(object): t_len = os.path.getsize(output_path) - yield self.store.store_local_thumbnail( + await self.store.store_local_thumbnail( media_id, t_width, t_height, t_type, t_method, t_len ) return output_path - @defer.inlineCallbacks - def generate_remote_exact_thumbnail( + async def generate_remote_exact_thumbnail( self, server_name, file_id, media_id, t_width, t_height, t_method, t_type ): - input_path = yield self.media_storage.ensure_media_is_in_local_cache( + input_path = await self.media_storage.ensure_media_is_in_local_cache( FileInfo(server_name, file_id, url_cache=False) ) thumbnailer = Thumbnailer(input_path) - t_byte_source = yield defer_to_thread( + t_byte_source = await defer_to_thread( self.hs.get_reactor(), self._generate_thumbnail, thumbnailer, @@ -537,7 +527,7 @@ class MediaRepository(object): thumbnail_type=t_type, ) - output_path = yield self.media_storage.store_file( + output_path = await self.media_storage.store_file( t_byte_source, file_info ) finally: @@ -547,7 +537,7 @@ class MediaRepository(object): t_len = os.path.getsize(output_path) - yield self.store.store_remote_media_thumbnail( + await self.store.store_remote_media_thumbnail( server_name, media_id, file_id, @@ -560,8 +550,7 @@ class MediaRepository(object): return output_path - @defer.inlineCallbacks - def _generate_thumbnails( + async def _generate_thumbnails( self, server_name, media_id, file_id, media_type, url_cache=False ): """Generate and store thumbnails for an image. @@ -582,7 +571,7 @@ class MediaRepository(object): if not requirements: return - input_path = yield self.media_storage.ensure_media_is_in_local_cache( + input_path = await self.media_storage.ensure_media_is_in_local_cache( FileInfo(server_name, file_id, url_cache=url_cache) ) @@ -600,7 +589,7 @@ class MediaRepository(object): return if thumbnailer.transpose_method is not None: - m_width, m_height = yield defer_to_thread( + m_width, m_height = await defer_to_thread( self.hs.get_reactor(), thumbnailer.transpose ) @@ -620,11 +609,11 @@ class MediaRepository(object): for (t_width, t_height, t_type), t_method in iteritems(thumbnails): # Generate the thumbnail if t_method == "crop": - t_byte_source = yield defer_to_thread( + t_byte_source = await defer_to_thread( self.hs.get_reactor(), thumbnailer.crop, t_width, t_height, t_type ) elif t_method == "scale": - t_byte_source = yield defer_to_thread( + t_byte_source = await defer_to_thread( self.hs.get_reactor(), thumbnailer.scale, t_width, t_height, t_type ) else: @@ -646,7 +635,7 @@ class MediaRepository(object): url_cache=url_cache, ) - output_path = yield self.media_storage.store_file( + output_path = await self.media_storage.store_file( t_byte_source, file_info ) finally: @@ -656,7 +645,7 @@ class MediaRepository(object): # Write to database if server_name: - yield self.store.store_remote_media_thumbnail( + await self.store.store_remote_media_thumbnail( server_name, media_id, file_id, @@ -667,15 +656,14 @@ class MediaRepository(object): t_len, ) else: - yield self.store.store_local_thumbnail( + await self.store.store_local_thumbnail( media_id, t_width, t_height, t_type, t_method, t_len ) return {"width": m_width, "height": m_height} - @defer.inlineCallbacks - def delete_old_remote_media(self, before_ts): - old_media = yield self.store.get_remote_media_before(before_ts) + async def delete_old_remote_media(self, before_ts): + old_media = await self.store.get_remote_media_before(before_ts) deleted = 0 @@ -689,7 +677,7 @@ class MediaRepository(object): # TODO: Should we delete from the backup store - with (yield self.remote_media_linearizer.queue(key)): + with (await self.remote_media_linearizer.queue(key)): full_path = self.filepaths.remote_media_filepath(origin, file_id) try: os.remove(full_path) @@ -705,7 +693,7 @@ class MediaRepository(object): ) shutil.rmtree(thumbnail_dir, ignore_errors=True) - yield self.store.delete_remote_media(origin, media_id) + await self.store.delete_remote_media(origin, media_id) deleted += 1 return {"deleted": deleted} diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py index 07e395cfd1..c46676f8fc 100644 --- a/synapse/rest/media/v1/preview_url_resource.py +++ b/synapse/rest/media/v1/preview_url_resource.py @@ -165,8 +165,7 @@ class PreviewUrlResource(DirectServeResource): og = await make_deferred_yieldable(defer.maybeDeferred(observable.observe)) respond_with_json_bytes(request, 200, og, send_cors=True) - @defer.inlineCallbacks - def _do_preview(self, url, user, ts): + async def _do_preview(self, url, user, ts): """Check the db, and download the URL and build a preview Args: @@ -179,7 +178,7 @@ class PreviewUrlResource(DirectServeResource): """ # check the URL cache in the DB (which will also provide us with # historical previews, if we have any) - cache_result = yield self.store.get_url_cache(url, ts) + cache_result = await self.store.get_url_cache(url, ts) if ( cache_result and cache_result["expires_ts"] > ts @@ -192,13 +191,13 @@ class PreviewUrlResource(DirectServeResource): og = og.encode("utf8") return og - media_info = yield self._download_url(url, user) + media_info = await self._download_url(url, user) logger.debug("got media_info of '%s'", media_info) if _is_media(media_info["media_type"]): file_id = media_info["filesystem_id"] - dims = yield self.media_repo._generate_thumbnails( + dims = await self.media_repo._generate_thumbnails( None, file_id, file_id, media_info["media_type"], url_cache=True ) @@ -248,14 +247,14 @@ class PreviewUrlResource(DirectServeResource): # request itself and benefit from the same caching etc. But for now we # just rely on the caching on the master request to speed things up. if "og:image" in og and og["og:image"]: - image_info = yield self._download_url( + image_info = await self._download_url( _rebase_url(og["og:image"], media_info["uri"]), user ) if _is_media(image_info["media_type"]): # TODO: make sure we don't choke on white-on-transparent images file_id = image_info["filesystem_id"] - dims = yield self.media_repo._generate_thumbnails( + dims = await self.media_repo._generate_thumbnails( None, file_id, file_id, image_info["media_type"], url_cache=True ) if dims: @@ -293,7 +292,7 @@ class PreviewUrlResource(DirectServeResource): jsonog = json.dumps(og) # store OG in history-aware DB cache - yield self.store.store_url_cache( + await self.store.store_url_cache( url, media_info["response_code"], media_info["etag"], @@ -305,8 +304,7 @@ class PreviewUrlResource(DirectServeResource): return jsonog.encode("utf8") - @defer.inlineCallbacks - def _download_url(self, url, user): + async def _download_url(self, url, user): # TODO: we should probably honour robots.txt... except in practice # we're most likely being explicitly triggered by a human rather than a # bot, so are we really a robot? @@ -318,7 +316,7 @@ class PreviewUrlResource(DirectServeResource): with self.media_storage.store_into_file(file_info) as (f, fname, finish): try: logger.debug("Trying to get url '%s'", url) - length, headers, uri, code = yield self.client.get_file( + length, headers, uri, code = await self.client.get_file( url, output_stream=f, max_size=self.max_spider_size ) except SynapseError: @@ -345,7 +343,7 @@ class PreviewUrlResource(DirectServeResource): % (traceback.format_exception_only(sys.exc_info()[0], e),), Codes.UNKNOWN, ) - yield finish() + await finish() try: if b"Content-Type" in headers: @@ -356,7 +354,7 @@ class PreviewUrlResource(DirectServeResource): download_name = get_filename_from_headers(headers) - yield self.store.store_local_media( + await self.store.store_local_media( media_id=file_id, media_type=media_type, time_now_ms=self.clock.time_msec(), @@ -393,8 +391,7 @@ class PreviewUrlResource(DirectServeResource): "expire_url_cache_data", self._expire_url_cache_data ) - @defer.inlineCallbacks - def _expire_url_cache_data(self): + async def _expire_url_cache_data(self): """Clean up expired url cache content, media and thumbnails. """ # TODO: Delete from backup media store @@ -403,12 +400,12 @@ class PreviewUrlResource(DirectServeResource): logger.info("Running url preview cache expiry") - if not (yield self.store.db.updates.has_completed_background_updates()): + if not (await self.store.db.updates.has_completed_background_updates()): logger.info("Still running DB updates; skipping expiry") return # First we delete expired url cache entries - media_ids = yield self.store.get_expired_url_cache(now) + media_ids = await self.store.get_expired_url_cache(now) removed_media = [] for media_id in media_ids: @@ -430,7 +427,7 @@ class PreviewUrlResource(DirectServeResource): except Exception: pass - yield self.store.delete_url_cache(removed_media) + await self.store.delete_url_cache(removed_media) if removed_media: logger.info("Deleted %d entries from url cache", len(removed_media)) @@ -440,7 +437,7 @@ class PreviewUrlResource(DirectServeResource): # may have a room open with a preview url thing open). # So we wait a couple of days before deleting, just in case. expire_before = now - 2 * 24 * 60 * 60 * 1000 - media_ids = yield self.store.get_url_cache_media_before(expire_before) + media_ids = await self.store.get_url_cache_media_before(expire_before) removed_media = [] for media_id in media_ids: @@ -478,7 +475,7 @@ class PreviewUrlResource(DirectServeResource): except Exception: pass - yield self.store.delete_url_cache_media(removed_media) + await self.store.delete_url_cache_media(removed_media) logger.info("Deleted %d media from url cache", len(removed_media)) diff --git a/synapse/rest/media/v1/thumbnail_resource.py b/synapse/rest/media/v1/thumbnail_resource.py index d57480f761..0b87220234 100644 --- a/synapse/rest/media/v1/thumbnail_resource.py +++ b/synapse/rest/media/v1/thumbnail_resource.py @@ -16,8 +16,6 @@ import logging -from twisted.internet import defer - from synapse.http.server import ( DirectServeResource, set_cors_headers, @@ -79,11 +77,10 @@ class ThumbnailResource(DirectServeResource): ) self.media_repo.mark_recently_accessed(server_name, media_id) - @defer.inlineCallbacks - def _respond_local_thumbnail( + async def _respond_local_thumbnail( self, request, media_id, width, height, method, m_type ): - media_info = yield self.store.get_local_media(media_id) + media_info = await self.store.get_local_media(media_id) if not media_info: respond_404(request) @@ -93,7 +90,7 @@ class ThumbnailResource(DirectServeResource): respond_404(request) return - thumbnail_infos = yield self.store.get_local_media_thumbnails(media_id) + thumbnail_infos = await self.store.get_local_media_thumbnails(media_id) if thumbnail_infos: thumbnail_info = self._select_thumbnail( @@ -114,14 +111,13 @@ class ThumbnailResource(DirectServeResource): t_type = file_info.thumbnail_type t_length = thumbnail_info["thumbnail_length"] - responder = yield self.media_storage.fetch_media(file_info) - yield respond_with_responder(request, responder, t_type, t_length) + responder = await self.media_storage.fetch_media(file_info) + await respond_with_responder(request, responder, t_type, t_length) else: logger.info("Couldn't find any generated thumbnails") respond_404(request) - @defer.inlineCallbacks - def _select_or_generate_local_thumbnail( + async def _select_or_generate_local_thumbnail( self, request, media_id, @@ -130,7 +126,7 @@ class ThumbnailResource(DirectServeResource): desired_method, desired_type, ): - media_info = yield self.store.get_local_media(media_id) + media_info = await self.store.get_local_media(media_id) if not media_info: respond_404(request) @@ -140,7 +136,7 @@ class ThumbnailResource(DirectServeResource): respond_404(request) return - thumbnail_infos = yield self.store.get_local_media_thumbnails(media_id) + thumbnail_infos = await self.store.get_local_media_thumbnails(media_id) for info in thumbnail_infos: t_w = info["thumbnail_width"] == desired_width t_h = info["thumbnail_height"] == desired_height @@ -162,15 +158,15 @@ class ThumbnailResource(DirectServeResource): t_type = file_info.thumbnail_type t_length = info["thumbnail_length"] - responder = yield self.media_storage.fetch_media(file_info) + responder = await self.media_storage.fetch_media(file_info) if responder: - yield respond_with_responder(request, responder, t_type, t_length) + await respond_with_responder(request, responder, t_type, t_length) return logger.debug("We don't have a thumbnail of that size. Generating") # Okay, so we generate one. - file_path = yield self.media_repo.generate_local_exact_thumbnail( + file_path = await self.media_repo.generate_local_exact_thumbnail( media_id, desired_width, desired_height, @@ -180,13 +176,12 @@ class ThumbnailResource(DirectServeResource): ) if file_path: - yield respond_with_file(request, desired_type, file_path) + await respond_with_file(request, desired_type, file_path) else: logger.warning("Failed to generate thumbnail") respond_404(request) - @defer.inlineCallbacks - def _select_or_generate_remote_thumbnail( + async def _select_or_generate_remote_thumbnail( self, request, server_name, @@ -196,9 +191,9 @@ class ThumbnailResource(DirectServeResource): desired_method, desired_type, ): - media_info = yield self.media_repo.get_remote_media_info(server_name, media_id) + media_info = await self.media_repo.get_remote_media_info(server_name, media_id) - thumbnail_infos = yield self.store.get_remote_media_thumbnails( + thumbnail_infos = await self.store.get_remote_media_thumbnails( server_name, media_id ) @@ -224,15 +219,15 @@ class ThumbnailResource(DirectServeResource): t_type = file_info.thumbnail_type t_length = info["thumbnail_length"] - responder = yield self.media_storage.fetch_media(file_info) + responder = await self.media_storage.fetch_media(file_info) if responder: - yield respond_with_responder(request, responder, t_type, t_length) + await respond_with_responder(request, responder, t_type, t_length) return logger.debug("We don't have a thumbnail of that size. Generating") # Okay, so we generate one. - file_path = yield self.media_repo.generate_remote_exact_thumbnail( + file_path = await self.media_repo.generate_remote_exact_thumbnail( server_name, file_id, media_id, @@ -243,21 +238,20 @@ class ThumbnailResource(DirectServeResource): ) if file_path: - yield respond_with_file(request, desired_type, file_path) + await respond_with_file(request, desired_type, file_path) else: logger.warning("Failed to generate thumbnail") respond_404(request) - @defer.inlineCallbacks - def _respond_remote_thumbnail( + async def _respond_remote_thumbnail( self, request, server_name, media_id, width, height, method, m_type ): # TODO: Don't download the whole remote file # We should proxy the thumbnail from the remote server instead of # downloading the remote file and generating our own thumbnails. - media_info = yield self.media_repo.get_remote_media_info(server_name, media_id) + media_info = await self.media_repo.get_remote_media_info(server_name, media_id) - thumbnail_infos = yield self.store.get_remote_media_thumbnails( + thumbnail_infos = await self.store.get_remote_media_thumbnails( server_name, media_id ) @@ -278,8 +272,8 @@ class ThumbnailResource(DirectServeResource): t_type = file_info.thumbnail_type t_length = thumbnail_info["thumbnail_length"] - responder = yield self.media_storage.fetch_media(file_info) - yield respond_with_responder(request, responder, t_type, t_length) + responder = await self.media_storage.fetch_media(file_info) + await respond_with_responder(request, responder, t_type, t_length) else: logger.info("Failed to find any generated thumbnails") respond_404(request) -- cgit 1.4.1