main.py

import json
import os
import re
import yaml
from urllib.parse import quote

import requests
import requests.packages.urllib3

requests.packages.urllib3.disable_warnings()

data = """
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Programming","slug":"dynamic-programming","nameTranslated":"\u52a8\u6001\u89c4\u5212","__typename":"CommonTagNode"}],"extra":{"companyTagNum":17,"hasVideoSolution":true,"topCompanyTags":[{"imgUrl":"https://pic.leetcode.cn/1608896124-NAAKhT-images.png","slug":"bytedance","__typename":"CommonTagNode"},{"imgUrl":"https://pic.leetcode.cn/dc8ca8220e0392cd08f0832bf03d6df599fa081505f307f09fdc91139aa4b54b-c0c9bfecd0329eeeaee48437456956fea5fcb84185f37de7656eabfe54c595e1-unnamed-1.png","slug":"microsoft","__typename":"CommonTagNode"},{"imgUrl":"https://assets.leetcode.cn/aliyun-lc-upload/uploaded_files/2022/09/e9108030-576a-4a77-8539-75de09ce5a5a/%E5%85%AC%E5%8F%B8%20Logo%E7%9A%84%E5%89%AF%E6%9C%AC.png","slug":"amazon","__typename":"CommonTagNode"}],"__typename":"QuestionExtraInfoNode"}},{"__typename":"QuestionLightNode","acRate":0.4308094963317121,"difficulty":"MEDIUM","freqBar":32.89731886164997,"paidOnly":false,"status":"AC","frontendQuestionId":"\u5251\u6307 Offer 44","isFavor":false,"solutionNum":790,"title":"\u6570\u5b57\u5e8f\u5217\u4e2d\u67d0\u4e00\u4f4d\u7684\u6570\u5b57  LCOF","titleCn":"\u6570\u5b57\u5e8f\u5217\u4e2d\u67d0\u4e00\u4f4d\u7684\u6570\u5b57","titleSlug":"shu-zi-xu-lie-zhong-mou-yi-wei-de-shu-zi-lcof","topicTags":[{"id":"deo8r","name":"Math","slug":"math","nameTranslated":"\u6570\u5b66","__typename":"CommonTagNode"},{"id":"drclh","name":"Binary Search","slug":"binary-search","nameTranslated":"\u4e8c\u5206\u67e5\u627e","__typename":"CommonTagNode"}],"extra":{"companyTagNum":8,"hasVideoSolution":false,"topCompanyTags":[{"imgUrl":"https://pic.leetcode.cn/1608896124-NAAKhT-images.png","slug":"bytedance","__typename":"CommonTagNode"},{"imgUrl":"https://pic.leetcode.cn/dc8ca8220e0392cd08f0832bf03d6df599fa081505f307f09fdc91139aa4b54b-c0c9bfecd0329eeeaee48437456956fea5fcb84185f37de7656eabfe54c595e1-unnamed-1.png","slug":"microsoft","__typename":"CommonTagNode"},{"imgUrl":"https://pic.leetcode.cn/45a64add888e66ff6d3c551bed948528715996937b877aaf6fdc08eae74789f5-google-logo-png-open-2000.png","slug":"google","__typename":"CommonTagNode"}],"__typename":"QuestionExtraInfoNode"}}],"hasMore":true,"total":3059}}}
"""

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"}
# 正则表达式模式，匹配图片链接，处理可能的尖括号
pattern = r'!\[.*?\]\(<?(https://.*?/(.*?))>?\)'


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"]


template = """
{}

# [{}. {}]({})

## 题目描述

<!-- 这里写题目描述 -->

{}

## 解法

### 方法一

<!-- tabs:start -->

```python

```

```java

```

```cpp

```

```go

```

<!-- tabs:end -->

<!-- end -->
"""

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)
    question_content = question_detail["translatedContent"]
    if question_content is None:
        continue
    path = path.replace(":", " ")
    if not os.path.exists(path):
        os.makedirs(path)
    path = path + "/README.md"
    relative_path = quote(f"/lcp/{sub_folder}/README.md")

    metadata = {
        "comments": True,
        "edit_url": "https://github.com/doocs/leetcode/edit/main" + relative_path,
        "difficulty": diff,
    }
    yaml_metadata = yaml.dump(metadata, default_flow_style=False, allow_unicode=True)
    metadata_section = f"---\n{yaml_metadata}---"

    # 判断是否存在该 README.md 文件
    if os.path.exists(path):
        with open(path, "r", encoding="utf-8") as f:
            readme = f.read()
            solutions = readme[readme.index("## 解法") :]
            content = (
                template[: template.index("## 解法")]
                .lstrip()
                .format(
                    metadata_section,
                    frontend_question_id,
                    title_cn,
                    url,
                    question_content,
                )
                + solutions
            )
    else:
        content = template.lstrip()

    # 使用 re.findall 找到所有匹配项
    matches = re.findall(pattern, content)
    for url, filename in matches:
        new_url = (
            'https://fastly.jsdelivr.net/gh/doocs/leetcode@main'
            + relative_path.replace("README.md", 'images/' + filename)
        )
        content = content.replace(url, new_url)

    with open(path, "w", encoding="utf-8") as f:
        f.write(content)
    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)")