(self, content, key)
Copy blob from other blob database

        :param content: File-like blob content object.
        :param key: Blob key.
Copy blob from other blob database
Copy blob from other blob database
def copy_blob(self, content, key):
        """Copy blob from other blob database

        :param content: File-like blob content object.
        :param key: Blob key.
        """
        raise NotImplementedError
def copy_blob ( self , content , key ) : raise NotImplementedError