def _open(self, name, mode='rb'):
blob = BlobPropertyFileModel.get_by_key_name(self.path(name))
if blob:
return BlobPropertyFile(self.path(name), blob)
else:
return None
def delete(self, name):
BlobPropertyFileModel.get_by_key_name(self.path(name)).delete()
def exists(self, name):
if BlobPropertyFileModel.get_by_key_name(self.path(name)):
return True
else:
return False
