blobstore.py 文件源码

def gql(cls, query_string, *args, **kwds):
    """Returns a query using GQL query string.

    See appengine/ext/gql for more information about GQL.

    Args:
      query_string: Properly formatted GQL query string with the
        'SELECT * FROM <entity>' part omitted
      *args: rest of the positional arguments used to bind numeric references
        in the query.
      **kwds: dictionary-based arguments (for named parameters).

    Returns:
      A gql.GqlQuery object querying over BlobInfo's datastore kind.
    """
    return _GqlQuery('SELECT * FROM %s %s'
                       % (cls.kind(), query_string),
                     cls,
                     *args,
                     **kwds)