+class CloudFilesStorage(StorageInterface):
+ def __init__(self, **kwargs):
+ self.param_container = kwargs.get('cloudfiles_container')
+ self.param_user = kwargs.get('cloudfiles_user')
+ self.param_api_key = kwargs.get('cloudfiles_api_key')
+ self.param_host = kwargs.get('cloudfiles_host')
+ self.param_use_servicenet = kwargs.get('cloudfiles_use_servicenet')
+
+ if not self.param_host:
+ print('No CloudFiles host URL specified, '
+ 'defaulting to Rackspace US')
+
+ self.connection = cloudfiles.get_connection(
+ username=self.param_user,
+ api_key=self.param_api_key,
+ servicenet=True if self.param_use_servicenet == 'true' or \
+ self.param_use_servicenet == True else False)
+
+ if not self.param_container == \
+ self.connection.get_container(self.param_container):
+ self.container = self.connection.create_container(
+ self.param_container)
+ self.container.make_public(
+ ttl=60 * 60 * 2)
+ else:
+ self.container = self.connection.get_container(
+ self.param_container)
+
+ self.container_uri = self.container.public_uri()
+
+ def _resolve_filepath(self, filepath):
+ return '/'.join(
+ clean_listy_filepath(filepath))
+
+ def file_exists(self, filepath):
+ try:
+ object = self.container.get_object(
+ self._resolve_filepath(filepath))
+ return True
+ except cloudfiles.errors.NoSuchObject:
+ return False
+
+ def get_file(self, filepath, mode='r'):
+ try:
+ obj = self.container.get_object(
+ self._resolve_filepath(filepath))
+ except cloudfiles.errors.NoSuchObject:
+ obj = self.container.create_object(
+ self._resolve_filepath(filepath))
+
+ return obj
+
+ def delete_file(self, filepath):
+ # TODO: Also delete unused directories if empty (safely, with
+ # checks to avoid race conditions).
+ self.container.delete_object(filepath)
+
+ def file_url(self, filepath):
+ return '/'.join([
+ self.container_uri,
+ self._resolve_filepath(filepath)])
+
+