__init__.py 文件源码

def load_model(dotted_name):
    """Import module and use module-level variable".

    :param dotted_name: path to model in form of string: ``some.python.module:Class``

    .. versionchanged:: 0.5.4

    """
    if isinstance(dotted_name, basestring):
        if ':' not in dotted_name:
            # backwards compatibility
            warnings.warn('model should be in form of module.model:User '
                'and not module.model.User', exceptions.MigrateDeprecationWarning)
            dotted_name = ':'.join(dotted_name.rsplit('.', 1))
        return EntryPoint.parse('x=%s' % dotted_name).load(False)
    else:
        # Assume it's already loaded.
        return dotted_name