__init__.py 文件源码

def _replace_cdata_list_attribute_values(self, tag_name, attrs):
        """Replaces class="foo bar" with class=["foo", "bar"]

        Modifies its input in place.
        """
        if self.cdata_list_attributes:
            universal = self.cdata_list_attributes.get('*', [])
            tag_specific = self.cdata_list_attributes.get(
                tag_name.lower(), [])
            for cdata_list_attr in itertools.chain(universal, tag_specific):
                if cdata_list_attr in dict(attrs):
                    # Basically, we have a "class" attribute whose
                    # value is a whitespace-separated list of CSS
                    # classes. Split it into a list.
                    value = attrs[cdata_list_attr]
                    values = whitespace_re.split(value)
                    attrs[cdata_list_attr] = values
        return attrs