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main.py
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import json
import os
from urllib.parse import quote
import requests
number_mapper = {
'0': '0000-0099',
'1': '0100-0199',
'2': '0200-0299',
'3': '0300-0399',
'4': '0400-0499',
'5': '0500-0599',
'6': '0600-0699',
'7': '0700-0799',
'8': '0800-0899',
'9': '0900-0999',
'10': '1000-1099',
'11': '1100-1199',
'12': '1200-1299',
'13': '1300-1399',
'14': '1400-1499',
'15': '1500-1599',
'16': '1600-1600',
'17': '1700-1799',
'18': '1800-1899',
'19': '1900-1999',
'20': '2000-2099',
'21': '2100-2199',
'22': '2200-2299',
'23': '2300-2399',
'24': '2400-2499',
'25': '2500-2599',
'26': '2600-2699',
'27': '2700-2799',
'28': '2800-2899',
'29': '2900-2999',
'30': '3000-3099',
'31': '3100-3199',
'32': '3200-3299',
'33': '3300-3399',
'34': '3400-3499',
'35': '3500-3599',
'36': '3600-3699',
'37': '3700-3799',
'38': '3800-3899',
'39': '3900-3999',
'40': '4000-4099',
'41': '4100-4199',
'42': '4200-4299',
'43': '4300-4399',
'44': '4400-4400',
'45': '4500-4599',
'46': '4600-4699',
'47': '4700-4799',
'48': '4800-4899',
'49': '4900-4999',
'50': '5000-5099',
'51': '5100-5199',
'52': '5200-5299',
'53': '5300-5399',
'54': '5400-5499',
'55': '5500-5599',
'56': '5600-5699',
'57': '5700-5799',
'58': '5800-5800',
'59': '5900-5999',
'60': '6000-6099',
'61': '6000-6199',
}
difficulty_mapper = {
'Medium': '中等',
'Easy': '简单',
'Hard': '困难'
}
difficulty_level_mapper = {
'1': '简单',
'2': '中等',
'3': '困难'
}
difficulty_level_mapper_en = {
'1': 'Easy',
'2': 'Medium',
'3': 'Hard'
}
graph_url = 'https://leetcode-cn.com/graphql'
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'
class Spider:
def __init__(self):
self.session = requests.session()
self.result = []
self.md_table_cn = []
self.md_table_en = []
def get_question_detail(self, question_title_slug):
"""获取题目详情"""
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': user_agent,
'Connection': 'keep-alive',
'Content-Type': 'application/json',
'Referer': 'https://leetcode-cn.com/problems/' + question_title_slug}
self.session.post(graph_url, data=json.dumps(form_data), headers=headers, timeout=10)
form_data = {
'operationName': 'questionData',
'variables': {
'titleSlug': question_title_slug
},
'query': """query questionData($titleSlug: String!) {\n question(titleSlug: $titleSlug) {\n
questionId\n questionFrontendId\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
__typename\n }\n}\n"""
}
# 获取题目详情
resp = self.session.post(url=graph_url, data=json.dumps(form_data).encode('utf-8'), headers=headers, timeout=10)
res = resp.json()
return res['data']['question']
def get_all_questions(self):
"""获取所有题目"""
headers = {
'accept': 'application/json, text/javascript, */*; q=0.01',
'content-type': 'application/json',
'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',
'x-requested-with': 'XMLHttpRequest'
}
resp = self.session.get(url='https://leetcode.com/api/problems/all/', headers=headers)
questions = resp.json()['stat_status_pairs']
for question in questions:
frontend_question_id = str(question['stat']['frontend_question_id']).zfill(4)
question_id = str(question['stat']['question_id']).zfill(4)
no = int(frontend_question_id) // 100
paid_only = question['paid_only']
question_title_en = question['stat']['question__title']
question_title_slug = question['stat']['question__title_slug']
url_cn = 'https://leetcode-cn.com/problems/' + question_title_slug
url_en = 'https://leetcode.com/problems/' + question_title_slug
path_cn = '/solution/{}/{}.{}/README.md'.format(number_mapper.get(str(no)), frontend_question_id,
quote(question_title_en))
path_en = '/solution/{}/{}.{}/README_EN.md'.format(number_mapper.get(str(no)), frontend_question_id,
quote(question_title_en))
print(frontend_question_id)
item = {
'question_id': question_id,
'frontend_question_id': frontend_question_id,
'paid_only': paid_only,
'paid_only_cn': '',
'url_cn': url_cn,
'url_en': url_en,
'relative_path_cn': path_cn,
'relative_path_en': path_en,
'title_cn': '',
'title_en': question_title_en,
'question_title_slug': question_title_slug,
'content_en': '',
'content_cn': '',
'tags_en': [],
'tags_cn': [],
'difficulty_en': '',
'difficulty_cn': '',
'code_snippets': []
}
question_detail = self.get_question_detail(question_title_slug)
if question_detail is not None:
topic_tags = question_detail.get('topicTags')
tags_cn = [e['translatedName'] for e in topic_tags]
tags_en = [e['name'] for e in topic_tags]
item['title_cn'] = question_detail.get('translatedTitle')
item['content_en'] = question_detail.get('content')
item['content_cn'] = question_detail.get('translatedContent')
item['tags_en'] = tags_en
item['tags_cn'] = tags_cn
item['difficulty_en'] = question_detail.get('difficulty')
item['difficulty_cn'] = difficulty_mapper.get(question_detail.get('difficulty'))
item['code_snippets'] = question_detail.get('codeSnippets')
item['paid_only_cn'] = question_detail.get('isPaidOnly')
self.result.append(item)
col1_cn = f'[{frontend_question_id}]({url_cn})'
col2_cn = f'[{item["title_cn"]}]({path_cn})'
col3_cn = ','.join([f'`{tag}`' for tag in item['tags_cn']])
col3_cn = '' if (col3_cn == 'None' or not col3_cn) else col3_cn
col4_cn = item['difficulty_cn']
col5_cn = '🔒' if item['paid_only_cn'] else ''
col1_en = f'[{frontend_question_id}]({url_en})'
col2_en = f'[{item["title_en"]}]({path_en})'
col3_en = ','.join([f'`{tag}`' for tag in item['tags_en']])
col3_en = '' if (col3_en == 'None' or not col3_en) else col3_en
col4_en = item['difficulty_en']
col5_en = '🔒' if paid_only else ''
self.md_table_cn.append((col1_cn, col2_cn, col3_cn, col4_cn, col5_cn))
self.md_table_en.append((col1_en, col2_en, col3_en, col4_en, col5_en))
def generate_md_table(self):
"""生成md题目列表"""
print("""
| 题号 | 题解 | 标签 | 难度 | 备注 |
| --- | --- | --- | --- | --- |""")
for item in sorted(self.md_table_cn, key=lambda x: x[0]):
print("| {} | {} | {} | {} | {} |".format(item[0], item[1], item[2], item[3], item[4]))
print('-------------------------')
print("""
| # | Solution | Tags | Difficulty | Remark |
| --- | --- | --- | --- | --- |""")
for item in sorted(self.md_table_en, key=lambda x: x[0]):
print("| {} | {} | {} | {} | {} |".format(item[0], item[1], item[2], item[3], item[4]))
print('-------------------------')
def run(self):
self.get_all_questions()
self.generate_md_table()
with open('result.json', 'a', encoding='utf-8') as f:
f.write(json.dumps(self.result))
if __name__ == '__main__':
# 生成readme
# spider = Spider()
# spider.run()
with open('./README_TEMPLATE.md', 'r', encoding='utf-8') as f:
readme_cn = f.read()
with open('./README_TEMPLATE_EN.md', 'r', encoding='utf-8') as f:
readme_en = f.read()
with open('./result.json', 'r', encoding='utf-8') as f:
result = f.read()
result = json.loads(result)
for item in result:
no = int(item['frontend_question_id']) // 100
path = f'./{number_mapper.get(str(no))}/{item["frontend_question_id"]}.{item["title_en"]}'
path = path.replace(":", " ")
if os.path.isdir(path):
continue
os.makedirs(path)
with open(f'{path}/README.md', 'w', encoding='utf-8') as f1:
f1.write(readme_cn.format(int(item['frontend_question_id']),
item["title_cn"],
item['url_cn'],
item['relative_path_en'],
item['content_cn']))
with open(f'{path}/README_EN.md', 'w', encoding='utf-8') as f2:
f2.write(readme_en.format(int(item['frontend_question_id']),
item["title_en"],
item['url_en'],
item['relative_path_cn'],
item['content_en']))
print(path)
# for item in sorted(result, key=lambda x: x["frontend_question_id"]):
# no = int(item['frontend_question_id']) // 100
#
# path = f'./{number_mapper.get(str(no))}/{item["frontend_question_id"]}.{item["title_en"]}'
# path = path.replace(":", " ")
# print(f'- [{int(item["frontend_question_id"])}. {item["title_en"]}]({item["relative_path_en"]})')