quizzer/ui/__init__.py

   1 class UserInterface (object):
   2     "Give a quiz over a generic user interface"
   3     def __init__(self, quiz=None, answers=None):
   4         self.quiz = quiz
   5         if answers is None:
   6             answers = {}
   7         self.answers = answers
   8
   9     def run(self):
  10         raise NotImplementedError()
  11
  12     def display_results(self):
  13         raise NotImplementedError()
  14
  15     def get_question(self):
  16         remaining = self.get_unanswered()
  17         if remaining:
  18             return remaining[0]
  19
  20     def process_answer(self, question, answer):
  21         if question not in self.answers:
  22             self.answers[question] = []
  23         correct = question.check(answer)
  24         self.answers[question].append({
  25                 'answer': answer,
  26                 'correct': correct,
  27                 })
  28         return correct
  29
  30     def get_answered(self):
  31         return [q for q in self.quiz if q in self.answers]
  32
  33     def get_unanswered(self):
  34         return [q for q in self.quiz if q not in self.answers]
  35
  36     def get_correctly_answered(self):
  37         return [q for q in self.quiz
  38                 if True in [a['correct'] for a in self.answers.get(q, [])]]
  39
  40     def get_never_correctly_answered(self):
  41         return [q for q in self.quiz
  42                 if True not in [a['correct'] for a in self.answers.get(q, [])]]