@classmethod<EOL><INDENT>def get(cls, blob_key, **ctx_options):<DEDENT>
fut = cls.get_async(blob_key, **ctx_options)<EOL>return fut.get_result()<EOL>
Retrieve a BlobInfo by key.

        Args:
          blob_key: A blob key.  This may be a str, unicode or BlobKey instance.
          **ctx_options: Context options for Model().get_by_id().

        Returns:
          A BlobInfo entity associated with the provided key,  If there was
          no such entity, returns None.