forms.py 文件源码

def filter_queryset(self, term, queryset=None):
        """
        Return QuerySet filtered by search_fields matching the passed term.

        Args:
            term (str): Search term

        Returns:
            QuerySet: Filtered QuerySet

        """
        if queryset is None:
            queryset = self.get_queryset()
        search_fields = self.get_search_fields()
        select = Q()
        term = term.replace('\t', ' ')
        term = term.replace('\n', ' ')
        for t in [t for t in term.split(' ') if not t == '']:
            select &= reduce(lambda x, y: x | Q(**{y: t}), search_fields,
                             Q(**{search_fields[0]: t}))
        return queryset.filter(select).distinct()