def get_source_cache(self, create=False, update=False):
modtime = self.get_source_modtime()
update_modified = modtime and utils.fromtimestamp(modtime)
if update:
update_modified = update_modified or utils.now()
return models.Source.objects.get_file(
create=create, update_modified=update_modified,
storage=self.source_storage, name=self.name,
check_cache_miss=self.thumbnail_check_cache_miss)
def get_thumbnail_cache(self, thumbnail_name, create=False, update=False):
modtime = self.get_thumbnail_modtime(thumbnail_name)
update_modified = modtime and utils.fromtimestamp(modtime)
if update:
update_modified = update_modified or utils.now()
source = self.get_source_cache(create=True)
return models.Thumbnail.objects.get_file(
create=create, update_modified=update_modified,
storage=self.thumbnail_storage, source=source, name=thumbnail_name,
check_cache_miss=self.thumbnail_check_cache_miss)
def get_source_cache(self, create=False, update=False):
if self.remote_source:
return None
modtime = self.get_source_modtime()
update_modified = modtime and utils.fromtimestamp(modtime)
if update:
update_modified = update_modified or utils.now()
return models.Source.objects.get_file(
create=create, update_modified=update_modified,
storage=self.source_storage, name=self.name,
check_cache_miss=self.thumbnail_check_cache_miss)
def get_source_cache(self, create=False, update=False):
if self.remote_source:
return None
if hasattr(self, '_source_cache') and not update:
if self._source_cache or not create:
return self._source_cache
modtime = self.get_source_modtime()
update_modified = modtime and utils.fromtimestamp(modtime)
if update:
update_modified = update_modified or utils.now()
self._source_cache = models.Source.objects.get_file(
create=create, update_modified=update_modified,
storage=self.source_storage, name=self.name,
check_cache_miss=self.thumbnail_check_cache_miss)
return self._source_cache
def get_thumbnail_cache(self, thumbnail_name, create=False, update=False):
if self.remote_source:
return None
thumbnail_cache_hash = utils.get_storage_hash(thumbnail_name)
if self.thumbnail_cache.has_key(thumbnail_cache_hash):
return self.thumbnail_cache[thumbnail_cache_hash]
modtime = self.get_thumbnail_modtime(thumbnail_name)
update_modified = modtime and utils.fromtimestamp(modtime)
if update:
update_modified = update_modified or utils.now()
source = self.get_source_cache(create=True)
thumbnail_cache = models.Thumbnail.objects.get_file(
create=create, update_modified=update_modified,
storage=self.thumbnail_storage, source=source, name=thumbnail_name,
check_cache_miss=self.thumbnail_check_cache_miss)
if thumbnail_cache:
self.thumbnail_cache[thumbnail_cache_hash] = thumbnail_cache
return thumbnail_cache
