Method _format_disabled_xpath

pyquery/cssselectpatch.py:131–149

Format XPath condition for :disabled or :enabled pseudo-classes according to the WHATWG spec. See: https://html.spec.whatwg.org /multipage/semantics-other.html#concept-element-disabled

(self, disabled=True)

        return xpath

    def _format_disabled_xpath(self, disabled=True):
        """Format XPath condition for :disabled or :enabled pseudo-classes
        according to the WHATWG spec. See: https://html.spec.whatwg.org
        /multipage/semantics-other.html#concept-element-disabled
        """
        bool_op = '' if disabled else 'not'
        return '''(
            ((name(.) = 'button' or name(.) = 'input' or name(.) = 'select'
                    or name(.) = 'textarea' or name(.) = 'fieldset')
                and %s(@disabled or (ancestor::fieldset[@disabled]
                    and not(ancestor::legend[not(preceding-sibling::legend)])))
            )
            or
            ((name(.) = 'option'
                and %s(@disabled or ancestor::optgroup[@disabled]))
            )
            or
            ((name(.) = 'optgroup' and %s(@disabled)))
            )''' % (bool_op, bool_op, bool_op)

    def xpath_disabled_pseudo(self, xpath):
        """Matches all elements that are disabled::