Make a config option for whether to generate new thumbnail sizes dynamically

This commit is contained in:
Mark Haines 2015-08-12 10:54:38 +01:00
parent 459085184c
commit 7e3d1c7d92
3 changed files with 27 additions and 7 deletions

View File

@ -22,6 +22,7 @@ class ContentRepositoryConfig(Config):
self.max_image_pixels = self.parse_size(config["max_image_pixels"])
self.media_store_path = self.ensure_directory(config["media_store_path"])
self.uploads_path = self.ensure_directory(config["uploads_path"])
self.dynamic_thumbnails = config["dynamic_thumbnails"]
def default_config(self, config_dir_path, server_name):
media_store = self.default_path("media_store")
@ -38,4 +39,11 @@ class ContentRepositoryConfig(Config):
# Maximum number of pixels that will be thumbnailed
max_image_pixels: "32M"
# Whether to generate new thumbnails on the fly to precisely match
# the resolution requested by the client. If true then whenever
# a new resolution is requested by the client the server will
# generate a new thumbnail. If false the server will pick a thumbnail
# from a precalcualted list.
dynamic_thumbnails: false
""" % locals()

View File

@ -69,6 +69,7 @@ class BaseMediaResource(Resource):
self.filepaths = filepaths
self.version_string = hs.version_string
self.downloads = {}
self.dynamic_thumbnails = hs.config.dynamic_thumbnails
def _respond_404(self, request):
respond_with_json(

View File

@ -43,14 +43,25 @@ class ThumbnailResource(BaseMediaResource):
m_type = parse_string(request, "type", "image/png")
if server_name == self.server_name:
yield self._select_or_generate_local_thumbnail(
request, media_id, width, height, method, m_type
)
if self.dynamic_thumbnails:
yield self._select_or_generate_local_thumbnail(
request, media_id, width, height, method, m_type
)
else:
yield self._respond_local_thumbnail(
request, media_id, width, height, method, m_type
)
else:
yield self._select_or_generate_remote_thumbnail(
request, server_name, media_id,
width, height, method, m_type
)
if self.dynamic_thumbnails:
yield self._select_or_generate_remote_thumbnail(
request, server_name, media_id,
width, height, method, m_type
)
else:
yield self._respond_remote_thumbnail(
request, server_name, media_id,
width, height, method, m_type
)
@defer.inlineCallbacks
def _respond_local_thumbnail(self, request, media_id, width, height,