From 2b24416e90b0bf1ee6d29cfc384670f4eeca0ced Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Fri, 13 Oct 2017 14:11:34 +0100 Subject: [PATCH] Don't reuse source but instead copy from primary media store to backup --- synapse/rest/media/v1/media_repository.py | 28 ++++++------------- synapse/rest/media/v1/preview_url_resource.py | 3 +- 2 files changed, 9 insertions(+), 22 deletions(-) diff --git a/synapse/rest/media/v1/media_repository.py b/synapse/rest/media/v1/media_repository.py index d2ac0175d7..e32a67e16a 100644 --- a/synapse/rest/media/v1/media_repository.py +++ b/synapse/rest/media/v1/media_repository.py @@ -95,7 +95,7 @@ class MediaRepository(object): os.makedirs(dirname) @staticmethod - def _write_file_synchronously(source, fname, close_source=False): + def _write_file_synchronously(source, fname): """Write `source` to the path `fname` synchronously. Should be called from a thread. @@ -109,16 +109,11 @@ class MediaRepository(object): with open(fname, "wb") as f: shutil.copyfileobj(source, f) - if close_source: - source.close() - @defer.inlineCallbacks def write_to_file_and_backup(self, source, path): """Write `source` to the on disk media store, and also the backup store if configured. - Will close source once finished. - Args: source: A file like object that should be written path (str): Relative path to write file to @@ -134,37 +129,31 @@ class MediaRepository(object): )) # Write to backup repository - yield self.copy_to_backup(source, path) + yield self.copy_to_backup(path) defer.returnValue(fname) @defer.inlineCallbacks - def copy_to_backup(self, source, path): - """Copy file like object source to the backup media store, if configured. - - Will close source after its done. + def copy_to_backup(self, path): + """Copy a file from the primary to backup media store, if configured. Args: - source: A file like object that should be written path(str): Relative path to write file to """ if self.backup_base_path: + primary_fname = os.path.join(self.primary_base_path, path) backup_fname = os.path.join(self.backup_base_path, path) # We can either wait for successful writing to the backup repository # or write in the background and immediately return if self.synchronous_backup_media_store: yield make_deferred_yieldable(threads.deferToThread( - self._write_file_synchronously, source, backup_fname, - close_source=True, + shutil.copyfile, primary_fname, backup_fname, )) else: preserve_fn(threads.deferToThread)( - self._write_file_synchronously, source, backup_fname, - close_source=True, + shutil.copyfile, primary_fname, backup_fname, ) - else: - source.close() @defer.inlineCallbacks def create_content(self, media_type, upload_name, content, content_length, @@ -280,8 +269,7 @@ class MediaRepository(object): server_name, media_id) raise SynapseError(502, "Failed to fetch remote media") - # Will close the file after its done - yield self.copy_to_backup(open(fname), fpath) + yield self.copy_to_backup(fpath) media_type = headers["Content-Type"][0] time_now_ms = self.clock.time_msec() diff --git a/synapse/rest/media/v1/preview_url_resource.py b/synapse/rest/media/v1/preview_url_resource.py index c734f6b7cd..2a3e37fdf4 100644 --- a/synapse/rest/media/v1/preview_url_resource.py +++ b/synapse/rest/media/v1/preview_url_resource.py @@ -275,8 +275,7 @@ class PreviewUrlResource(Resource): ) # FIXME: pass through 404s and other error messages nicely - # Will close the file after its done - yield self.media_repo.copy_to_backup(open(fname), fpath) + yield self.media_repo.copy_to_backup(fpath) media_type = headers["Content-Type"][0] time_now_ms = self.clock.time_msec()