code: def user_parse(data):
          
          _user = data.get('user_info', {})
          _id = _user.get('id') or _user.get('uid')
          yield 'id', _id
          yield 'locale', _user.get('default_lang')
          yield 'username', _user.get('display_name')
          first_name, _, last_name = _user.get('full_name', '').partition(' ')
          yield 'first_name', first_name
          yield 'last_name', last_name
          yield 'picture', 'http://avatars.plurk.com/{0}-big2.jpg'.format(_id)
          city, country = map(lambda s: s.strip(),
                              _user.get('location', ',').split(','))
          yield 'city', city
          yield 'country', country
docs: Parse information from the provider.