utils.py 文件源码

def get_form_data_from_session(request, session_key):
    """Gets a dictionary from the session based on a key
        and converts each key, list pair into a mutable QueryDict
        so that it can be processed by a form as if it were post data
    """
    raw_dict = request.session.get(session_key, {})
    qdict = QueryDict('', mutable=True)
    for key, items in raw_dict.items():
        if not isinstance(items, list):
            items = [items]
        qdict.setlist(key, items)
    return qdict