diff --git a/synapse/rest/media/v1/media_repository.py b/synapse/rest/media/v1/media_repository.py index 36f42c73be..a310d08f5f 100644 --- a/synapse/rest/media/v1/media_repository.py +++ b/synapse/rest/media/v1/media_repository.py @@ -131,10 +131,9 @@ class MediaRepository(object): fname = os.path.join(self.primary_base_path, path) # Write to the main repository - yield make_deferred_yieldable( - threads.deferToThread, + yield make_deferred_yieldable(threads.deferToThread( self._write_file_synchronously, source, fname, - ) + )) # Write to backup repository yield self.copy_to_backup(source, path) @@ -157,11 +156,10 @@ class MediaRepository(object): # 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, + yield make_deferred_yieldable(threads.deferToThread( self._write_file_synchronously, source, backup_fname, close_source=True, - ) + )) else: preserve_fn(threads.deferToThread)( self._write_file_synchronously, source, backup_fname, @@ -378,11 +376,10 @@ class MediaRepository(object): input_path = self.filepaths.local_media_filepath(media_id) thumbnailer = Thumbnailer(input_path) - t_byte_source = yield make_deferred_yieldable( - threads.deferToThread, + t_byte_source = yield make_deferred_yieldable(threads.deferToThread( self._generate_thumbnail, thumbnailer, t_width, t_height, t_method, t_type - ) + )) if t_byte_source: t_width, t_height = t_byte_source.dimensions @@ -409,11 +406,10 @@ class MediaRepository(object): input_path = self.filepaths.remote_media_filepath(server_name, file_id) thumbnailer = Thumbnailer(input_path) - t_byte_source = yield make_deferred_yieldable( - threads.deferToThread, + t_byte_source = yield make_deferred_yieldable(threads.deferToThread( self._generate_thumbnail, thumbnailer, t_width, t_height, t_method, t_type - ) + )) if t_byte_source: t_width, t_height = t_byte_source.dimensions @@ -478,34 +474,32 @@ class MediaRepository(object): thumbnails = {} for r_width, r_height, r_method, r_type in requirements: if r_method == "crop": - thumbnails.setdefault[(r_width, r_height)] = (r_method, r_type) + thumbnails.setdefault((r_width, r_height), (r_method, r_type)) elif r_method == "scale": - t_width, t_height = thumbnailer.aspect(t_width, t_height) + t_width, t_height = thumbnailer.aspect(r_width, r_height) t_width = min(m_width, t_width) t_height = min(m_height, t_height) thumbnails[(t_width, t_height)] = (r_method, r_type) # Now we generate the thumbnails for each dimension, store it - for (r_width, r_height), (r_method, r_type) in thumbnails.iteritems(): - t_byte_source = thumbnailer.crop(t_width, t_height, t_type) - - if r_type == "crop": - t_byte_source = yield make_deferred_yieldable( - threads.deferToThread, thumbnailer.crop, - r_width, r_height, r_type, - ) + for (t_width, t_height), (t_method, t_type) in thumbnails.iteritems(): + # Generate the thumbnail + if t_type == "crop": + t_byte_source = yield make_deferred_yieldable(threads.deferToThread( + thumbnailer.crop, + r_width, r_height, t_type, + )) else: - t_byte_source = yield make_deferred_yieldable( - threads.deferToThread, thumbnailer.scale, - r_width, r_height, r_type, - ) - - t_width, t_height = t_byte_source.dimensions + t_byte_source = yield make_deferred_yieldable(threads.deferToThread( + thumbnailer.scale, + r_width, r_height, t_type, + )) + # Work out the correct file name for thumbnail if server_name: file_path = self.filepaths.remote_media_thumbnail_rel( - server_name, file_id, t_width, t_height, t_type, t_method - ) + server_name, file_id, t_width, t_height, t_type, t_method + ) elif url_cache: file_path = self.filepaths.url_cache_thumbnail_rel( media_id, t_width, t_height, t_type, t_method @@ -515,14 +509,16 @@ class MediaRepository(object): media_id, t_width, t_height, t_type, t_method ) + # Write to disk output_path = yield self.write_to_file(t_byte_source, file_path) t_len = os.path.getsize(output_path) + # Write to database if server_name: yield self.store.store_remote_media_thumbnail( - server_name, media_id, file_id, - t_width, t_height, t_type, t_method, t_len - ) + server_name, media_id, file_id, + t_width, t_height, t_type, t_method, t_len + ) else: yield self.store.store_local_thumbnail( media_id, t_width, t_height, t_type, t_method, t_len diff --git a/synapse/rest/media/v1/thumbnailer.py b/synapse/rest/media/v1/thumbnailer.py index 09650bd527..e1ee535b9a 100644 --- a/synapse/rest/media/v1/thumbnailer.py +++ b/synapse/rest/media/v1/thumbnailer.py @@ -54,7 +54,7 @@ class Thumbnailer(object): """Rescales the image to the given dimensions. Returns: - ImageIO: the bytes of the encoded image ready to be written to disk + BytesIO: the bytes of the encoded image ready to be written to disk """ scaled = self.image.resize((width, height), Image.ANTIALIAS) return self._encode_image(scaled, output_type) @@ -71,7 +71,7 @@ class Thumbnailer(object): max_height: The larget possible height. Returns: - ImageIO: the bytes of the encoded image ready to be written to disk + BytesIO: the bytes of the encoded image ready to be written to disk """ if width * self.height > height * self.width: scaled_height = (width * self.height) // self.width @@ -92,13 +92,6 @@ class Thumbnailer(object): return self._encode_image(cropped, output_type) def _encode_image(self, output_image, output_type): - output_bytes_io = ImageIO(output_image.size) + output_bytes_io = BytesIO() output_image.save(output_bytes_io, self.FORMATS[output_type], quality=80) - output_image.close() return output_bytes_io - - -class ImageIO(BytesIO): - def __init__(self, dimensions): - super(ImageIO, self).__init__() - self.dimensions = dimensions