def download_metadata(self):
# this can happen if someone has an existing release without the metadata
# built prior to the backfill
# can add check to see if metadata has expired/we update metadata
# if we want to add more info to metadata
if not self.metadata:
z = self.zipfile()
atomic_write(self.metadata_path, z.read('metadata.json'))
def _cache_commit_history(self, branch, payload):
makedirs(self.commits_cache_dir)
cache_filename = self._cache_commit_filename(branch)
atomic_write(cache_filename, json.dumps(payload))