export.py

#!/usr/bin/env python3

import hashlib
import bson


def ReadAnswerFromFile():
    answer_file = open('ssxx.bson', 'rb')
    answer_dictionary = bson.loads(answer_file.read())
    answer_file.close()
    print("已读取", len(answer_dictionary['hashBank'].items()), "个答案！")
    print("learnt: ", len(answer_dictionary['questionBank'].items()))
    return answer_dictionary


def SaveToFile(text):
    export_file = open('ssxx_export.txt', 'w', encoding='utf-8')
    export_file.write(text)
    export_file.close()
    print("已保存")


if __name__ == '__main__':
    answer_dictionary = ReadAnswerFromFile()
    question_bank = answer_dictionary['questionBank']
    hash_bank = answer_dictionary['hashBank']
    formatted_bank = []
    for hash, question in question_bank.items():
        question_title = question['title']
        if not hash_bank.__contains__(hash):
            print(question_title, "这道题居然没答案!!")
            continue
        right_answer_hash_arr = hash_bank[hash]
        answer_arr = []
        for option in question['options']:
            code = option['code']
            option_title = option['title']
            option_hash = hashlib.md5(
                option_title.encode(encoding='UTF-8')).hexdigest()
            answer_arr.append(
                (code, option_title, option_hash in right_answer_hash_arr))
        formatted_bank.append((question_title, answer_arr))

    print("已解析", len(formatted_bank), "个题目")

    text = ""
    for question_title, answer_arr in formatted_bank:
        question_text = question_title + '\n'
        for answer in answer_arr:
            code, title, correct = answer
            mark = '❌'
            if correct:
                mark = '✔️'
            question_text += code + '. ' + title + ' ' + mark + '\n'
        text += question_text + '\n'

    SaveToFile(text)