file.py 文件源码

def __init__(self, rel, queryset, to_field_name, *args, **kwargs):
        self.rel = rel
        self.queryset = queryset
        self.to_field_name = to_field_name
        self.max_value = None
        self.min_value = None
        kwargs.pop('widget', None)
        super(AdminFileFormField, self).__init__(queryset, widget=self.widget(rel, site), *args, **kwargs)