select.py 文件源码

def _find_options(self, how, term):
        types = [six.text_type, six.binary_type, int, re._pattern_type]
        found = []

        def func(sel):
            if type(term) in types:
                collection = sel.options(value=term) if how == 'value' else []
                if not list(collection):
                    collection = sel.options(text=term)
                if not list(collection):
                    collection = sel.options(label=term)
                if collection:
                    found.append(collection)
                    return False
                else:
                    return not found and nerodia.relaxed_locate
            else:
                raise TypeError('expected {!r}, got {}:{}'.format(types, term, term.__class__))

        try:
            Wait.until_not(func, object=self)
            if found:
                return found[0]
            raise NoValueFoundException('{} not found in select list'.format(term))
        except TimeoutError:
            raise NoValueFoundException('{} not found in select list'.format(term))