def _new_exchange_object(self, cls, course_id, assignment_id, student_id):
assert issubclass(cls, Exchange)
cls.cache = str(self.cache_dir)
coursedir = CourseDirectory()
coursedir.root = str(self.course_dir)
coursedir.course_id = course_id
coursedir.assignment_id = assignment_id
obj = cls(coursedir=coursedir)
obj.username = student_id
return obj
def create_temp_course():
tmp_dir = TemporaryDirectory()
coursedir = CourseDirectory()
coursedir.root = tmp_dir.name
return tmp_dir, coursedir