def check_page_data(self, page_data):
if ("permutation" not in page_data or
(set(page_data["permutation"]) != set(range(len(self.choices))))):
from course.page import InvalidPageData
raise InvalidPageData(
ugettext("existing choice permutation not "
"suitable for number of choices in question"))
def make_form(self, page_context, page_data, answer_data, page_behavior):
if ("permutation" not in page_data
or (set(page_data["permutation"]) != set(
range(len(self.page_desc.choices))))):
from course.page import InvalidPageData
raise InvalidPageData(
ugettext("existing choice permutation not "
"suitable for number of choices in question"))
if answer_data is not None:
form_data = {"choice": answer_data["choice"]}
form = self.make_choice_form(page_context, page_data,
page_behavior, form_data)
else:
form = self.make_choice_form(page_context, page_data,
page_behavior)
return form