main.py

import json
import os
from urllib.parse import quote

import requests
import requests.packages.urllib3

requests.packages.urllib3.disable_warnings()

data = """
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37","isFavor":false,"solutionNum":20,"title":"\\u6700\\u5c0f\\u77e9\\u5f62\\u9762\\u79ef","titleCn":"\\u6700\\u5c0f\\u77e9\\u5f62\\u9762\\u79ef","titleSlug":"zui-xiao-ju-xing-mian-ji","topicTags":[{"id":"n7hqh","name":"Greedy","slug":"greedy","nameTranslated":"\\u8d2a\\u5fc3","__typename":"CommonTagNode"},{"id":"vlt55","name":"Geometry","slug":"geometry","nameTranslated":"\\u51e0\\u4f55","__typename":"CommonTagNode"},{"id":"wg0rh","name":"Array","slug":"array","nameTranslated":"\\u6570\\u7ec4","__typename":"CommonTagNode"},{"id":"deo8r","name":"Math","slug":"math","nameTranslated":"\\u6570\\u5b66","__typename":"CommonTagNode"},{"id":"rwhb85","name":"Combinatorics","slug":"combinatorics","nameTranslated":"\\u7ec4\\u5408\\u6570\\u5b66","__typename":"CommonTagNode"},{"id":"1v8x3g","name":"Sorting","slug":"sorting","nameTranslated":"\\u6392\\u5e8f","__typename":"CommonTagNode"}],"extra":{"companyTagNum":2,"hasVideoSolution":false,"topCompanyTags":[{"imgUrl":"https://pic.leetcode.cn/f8fd5b104aa30bbd9bba7cf428a63e8c130f1665876e6afa52186d9510936517-fb_icon_325x325.png","slug":"facebook","__typename":"CommonTagNode"},{"imgUrl":"https://pic.leetcode.cn/d2e85988beccb271af4b1a8f4767e4bdf4c085aaf5aaef093347d778e4e138d7-20.png","slug":"huawei","__typename":"CommonTagNode"}],"__typename":"QuestionExtraInfoNode"}},{"__typename":"QuestionLightNode","acRate":0.555,"difficulty":"HARD","freqBar":19.07322247916759,"paidOnly":false,"status":"NOT_STARTED","frontendQuestionId":"LCP 38","isFavor":false,"solutionNum":14,"title":"\\u5b88\\u536b\\u57ce\\u5821","titleCn":"\\u5b88\\u536b\\u57ce\\u5821","titleSlug":"7rLGCR","topicTags":[{"id":"wg0rh","name":"Array","slug":"array","nameTranslated":"\\u6570\\u7ec4","__typename":"CommonTagNode"},{"id":"d2tn7","name":"Dynamic 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39","isFavor":false,"solutionNum":27,"title":"\\u65e0\\u4eba\\u673a\\u65b9\\u9635","titleCn":"\\u65e0\\u4eba\\u673a\\u65b9\\u9635","titleSlug":"0jQkd0","topicTags":[],"extra":{"companyTagNum":0,"hasVideoSolution":false,"topCompanyTags":[],"__typename":"QuestionExtraInfoNode"}},{"__typename":"QuestionLightNode","acRate":0.22502134927412468,"difficulty":"EASY","freqBar":0,"paidOnly":false,"status":"NOT_STARTED","frontendQuestionId":"LCP 40","isFavor":false,"solutionNum":59,"title":"\\u5fc3\\u7b97\\u6311\\u6218","titleCn":"\\u5fc3\\u7b97\\u6311\\u6218","titleSlug":"uOAnQW","topicTags":[],"extra":{"companyTagNum":0,"hasVideoSolution":false,"topCompanyTags":[],"__typename":"QuestionExtraInfoNode"}},{"__typename":"QuestionLightNode","acRate":0.41240514681623225,"difficulty":"MEDIUM","freqBar":0,"paidOnly":false,"status":"NOT_STARTED","frontendQuestionId":"LCP 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49","isFavor":false,"solutionNum":5,"title":"\\u73af\\u5f62\\u95ef\\u5173\\u6e38\\u620f","titleCn":"\\u73af\\u5f62\\u95ef\\u5173\\u6e38\\u620f","titleSlug":"K8GULz","topicTags":[],"extra":{"companyTagNum":0,"hasVideoSolution":false,"topCompanyTags":[],"__typename":"QuestionExtraInfoNode"}},{"__typename":"QuestionLightNode","acRate":0.5496372661321115,"difficulty":"EASY","freqBar":0,"paidOnly":true,"status":"NOT_STARTED","frontendQuestionId":"1543","isFavor":false,"solutionNum":43,"title":"Fix Product Name Format","titleCn":"\\u4ea7\\u54c1\\u540d\\u79f0\\u683c\\u5f0f\\u4fee\\u590d","titleSlug":"fix-product-name-format","topicTags":[{"id":"pzpd7s","name":"Database","slug":"database","nameTranslated":"\\u6570\\u636e\\u5e93","__typename":"CommonTagNode"}],"extra":{"companyTagNum":0,"hasVideoSolution":false,"topCompanyTags":[],"__typename":"QuestionExtraInfoNode"}}],"hasMore":false,"total":50}}}
"""

res = json.loads(data)

questions = res['data']['problemsetQuestionList']['questions']
questions = [item for item in questions if item['frontendQuestionId'][:3] == 'LCP']

mp = {"EASY": '简单', "MEDIUM": '中等', 'HARD': '困难'}


def get_question_detail(question_title_slug):
    """fetch question detail from lc's api"""
    form_data = {
        'operationName': 'globalData',
        'query': 'query globalData {\n  feature {\n    questionTranslation\n    subscription\n    signUp\n    '
        'discuss\n    mockInterview\n    contest\n    store\n    book\n    chinaProblemDiscuss\n    '
        'socialProviders\n    studentFooter\n    cnJobs\n    enableLsp\n    enableWs\n    '
        'enableDebugger\n    enableDebuggerAdmin\n    enableDarkMode\n    tasks\n    '
        'leetbook\n    __typename\n  }\n  userStatus {\n    isSignedIn\n    isAdmin\n    '
        'isStaff\n    isSuperuser\n    isTranslator\n    isPremium\n    isVerified\n    '
        'isPhoneVerified\n    isWechatVerified\n    checkedInToday\n    username\n    '
        'realName\n    userSlug\n    groups\n    avatar\n    optedIn\n    '
        'requestRegion\n    region\n    activeSessionId\n    permissions\n    notificationStatus {\n      '
        'lastModified\n      numUnread\n      __typename\n    }\n    completedFeatureGuides\n    '
        'useTranslation\n    accountStatus {\n      isFrozen\n      inactiveAfter\n      __typename\n    '
        '}\n    __typename\n  }\n  siteRegion\n  chinaHost\n  websocketUrl\n  userBannedInfo {\n    '
        'bannedData {\n      endAt\n      bannedType\n      __typename\n    }\n    __typename\n  }\n}\n',
        'variables': {},
    }
    headers = {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) '
        'Chrome/77.0.3865.120 Safari/537.36',
        'Connection': 'keep-alive',
        'Content-Type': 'application/json',
        'Referer': 'https://leetcode.cn/problems/' + question_title_slug,
        # lc-cn cookie here
        'cookie': '',
    }
    requests.post(
        url='https://leetcode.cn/graphql',
        data=json.dumps(form_data),
        headers=headers,
        timeout=10,
        verify=False,
    )

    form_data = {
        'operationName': 'questionData',
        'variables': {'titleSlug': question_title_slug},
        'query': 'query questionData($titleSlug: String!) {\n  question(titleSlug: $titleSlug) {\n    '
        'questionId\n    questionFrontendId\n    categoryTitle\n    boundTopicId\n    title\n    '
        'titleSlug\n    content\n    translatedTitle\n    translatedContent\n    isPaidOnly\n    '
        'difficulty\n    likes\n    dislikes\n    isLiked\n    similarQuestions\n    '
        'contributors {\n      username\n      profileUrl\n      avatarUrl\n      __typename\n    '
        '}\n    langToValidPlayground\n    topicTags {\n      name\n      slug\n      '
        'translatedName\n      __typename\n    }\n    companyTagStats\n    codeSnippets {\n      '
        'lang\n      langSlug\n      code\n      __typename\n    }\n    stats\n    hints\n    '
        'solution {\n      id\n      canSeeDetail\n      __typename\n    }\n    status\n    '
        'sampleTestCase\n    metaData\n    judgerAvailable\n    judgeType\n    mysqlSchemas\n    '
        'enableRunCode\n    envInfo\n    book {\n      id\n      bookName\n      pressName\n      '
        'source\n      shortDescription\n      fullDescription\n      bookImgUrl\n      '
        'pressImgUrl\n      productUrl\n      __typename\n    }\n    isSubscribed\n    '
        'isDailyQuestion\n    dailyRecordStatus\n    editorType\n    ugcQuestionId\n    style\n    '
        'exampleTestcases\n    __typename\n  }\n}\n',
    }

    # get question detail
    resp = requests.post(
        url='https://leetcode.cn/graphql',
        data=json.dumps(form_data).encode('utf-8'),
        headers=headers,
        timeout=10,
        verify=False,
    )
    res = resp.json()
    return res['data']['question']


for question in questions:
    question_title_slug = question['titleSlug']
    frontend_question_id = question['frontendQuestionId']
    title = str(question['title']).strip()
    title_cn = str(question['titleCn']).strip()
    url = 'https://leetcode.cn/problems/' + question_title_slug
    sub_folder = frontend_question_id + ". " + title_cn
    topics = ','.join(
        [f'`{topic["nameTranslated"]}`' for topic in question['topicTags']]
    )
    path = f'./{sub_folder}'
    diff = mp[question['difficulty']]

    question_detail = get_question_detail(question_title_slug)
    content = question_detail['translatedContent']
    if content is None:
        continue
    path = path.replace(":", " ")
    if os.path.exists(path):
        continue
    os.makedirs(path)

    with open('./problem_readme_template.md', 'r', encoding='utf-8') as f:
        readme = f.read()
    with open(f'{path}/README.md', 'w', encoding='utf-8') as f1:
        f1.write(readme.format(frontend_question_id, title_cn, url, content))

    relative_path = quote(f'/lcp/{sub_folder}/README.md')
    t = f"|  [{frontend_question_id}]({url})  |  [ {title_cn}]({relative_path})  | {topics} | {diff} |"
    print(t)

res = os.listdir(".")
for file in res:
    if os.path.isdir("./" + file) and file != '__pycache__':
        print(f'- [{file}](/lcp/{quote(file)}/README.md)')