fields.py 文件源码

def __init__(self, *args, **kwargs):
        kwargs.setdefault('blank', True)
        kwargs.setdefault('editable', False)

        populate_from = kwargs.pop('populate_from', None)
        if populate_from is None:
            raise ValueError("missing 'populate_from' argument")
        else:
            self._populate_from = populate_from

        self.slugify_function = kwargs.pop('slugify_function', slugify)
        self.separator = kwargs.pop('separator', six.u('-'))
        self.overwrite = kwargs.pop('overwrite', False)
        self.check_is_bool('overwrite')
        self.allow_duplicates = kwargs.pop('allow_duplicates', False)
        self.check_is_bool('allow_duplicates')
        self.max_unique_query_attempts = kwargs.pop('max_unique_query_attempts', MAX_UNIQUE_QUERY_ATTEMPTS)
        super(AutoSlugField, self).__init__(*args, **kwargs)