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fix: 扫码登录状态可独立查询 + 趋势图改回自适应纵轴
【登录反馈】实测这台浏览器 loggedIn=true,其实早就登录成功了;看不到反馈是判据和设计的问题:

1. 判据不可靠。原先靠 web_session 的值变化判断——对照组显示:一个全新的空 profile 首次访问小红书就会被发一个 web_session,所以「有这个 cookie」什么都证明不了。可信信号是页面自己的 __INITIAL_STATE__.user.loggedIn,但它是 Vue 响应式引用,必须 .value 解包(这就是前面探针读到 [object Object] 和 None 的原因)。
2. 状态绑死在临时会话上。扫码会话是内存状态,进程一重启就没(部署、崩溃都算),面板于是悄悄退回初始态——一次成功扫码看起来像什么都没发生。

改法不是让会话活得久,而是把「登没登录」变成随时可查、与会话无关:
- 新增 GET /api/monitor/login/state,直接问浏览器要答案,带 5 秒缓存;force=true 先重载页面再读,用于状态陈旧
- qrlogin 改为常驻 Playwright 客户端 + 复用同一个标签页,并在重启后认领浏览器里已存在的 xhs 标签页,避免堆孤儿页
- 把「读不到状态」与「未登录」分开——前者显示具体错误,不再悄悄显示成未登录
- 面板顶部常驻显示登录态与昵称,带「重新检测」按钮;扫码成功后自动翻转

【趋势图】上一轮改过头了。dataviz 规范里没有「折线图必须从 0 起」这条——基线相关的条文全是讲柱状图的(柱状图用长度编码数值,不从 0 起比例就是错的;折线图用位置编码,轴只需如实框住数据)。改回自适应,保留上一轮修好的左侧刻度栏让范围始终可见;步长收敛到 1/2/5×10ⁿ,全平序列撑开一档避免除零。
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🔥 MediaCrawler - Social Media Platform Crawler 🕷️


Disclaimer:

Please use this repository for learning purposes only ⚠️⚠️⚠️⚠️, Web scraping illegal cases

All content in this repository is for learning and reference purposes only, and commercial use is prohibited. No person or organization may use the content of this repository for illegal purposes or infringe upon the legitimate rights and interests of others. The web scraping technology involved in this repository is only for learning and research, and may not be used for large-scale crawling of other platforms or other illegal activities. This repository assumes no legal responsibility for any legal liability arising from the use of the content of this repository. By using the content of this repository, you agree to all terms and conditions of this disclaimer.

Click to view a more detailed disclaimer. Click to jump

📖 Project Introduction

A powerful multi-platform social media data collection tool that supports crawling public information from mainstream platforms including Xiaohongshu, Douyin, Kuaishou, Bilibili, Weibo, Tieba, Zhihu, and more.

🔧 Technical Principles

  • Core Technology: Based on Playwright browser automation framework for login and maintaining login state
  • No JS Reverse Engineering Required: Uses browser context environment with preserved login state to obtain signature parameters through JS expressions
  • Advantages: No need to reverse complex encryption algorithms, significantly lowering the technical barrier

✨ Features

Platform Keyword Search Specific Post ID Crawling Secondary Comments Specific Creator Homepage Login State Cache IP Proxy Pool Generate Comment Word Cloud
Xiaohongshu ✅ ✅ ✅ ✅ ✅ ✅ ✅
Douyin ✅ ✅ ✅ ✅ ✅ ✅ ✅
Kuaishou ✅ ✅ ✅ ✅ ✅ ✅ ✅
Bilibili ✅ ✅ ✅ ✅ ✅ ✅ ✅
Weibo ✅ ✅ ✅ ✅ ✅ ✅ ✅
Tieba ✅ ✅ ✅ ✅ ✅ ✅ ✅
Zhihu ✅ ✅ ✅ ✅ ✅ ✅ ✅

MediaCrawlerPro Major Release! Open source is not easy, welcome to subscribe and support!

Focus on learning mature project architectural design, not just crawling technology. The code design philosophy of the Pro version is equally worth in-depth study!

MediaCrawlerPro core advantages over the open-source version:

🎯 Core Feature Upgrades

  • ✅ Content Deconstruction Agent (New feature)
  • ✅ Resume crawling functionality (Key feature)
  • ✅ Multi-account + IP proxy pool support (Key feature)
  • ✅ Remove Playwright dependency, easier to use
  • ✅ Complete Linux environment support

🏗️ Architectural Design Optimization

  • ✅ Code refactoring optimization, more readable and maintainable (decoupled JS signature logic)
  • ✅ Enterprise-level code quality, suitable for building large-scale crawler projects
  • ✅ Perfect architectural design, high scalability, greater source code learning value

🎁 Additional Features

  • ✅ Social media video downloader desktop app (suitable for learning full-stack development)
  • ✅ Multi-platform homepage feed recommendations (HomeFeed)
  • AI Agent based on comment analysis is under development 🚀🚀

Click to view: MediaCrawlerPro Project Homepage for more information

🚀 Quick Start

💡 Open source is not easy, if this project helps you, please give a ⭐ Star to support!

📋 Prerequisites

Before proceeding with the next steps, please ensure that uv is installed on your computer:

  • Installation Guide: uv Official Installation Guide
  • Verify Installation: Enter the command uv --version in the terminal. If the version number is displayed normally, the installation was successful
  • Recommendation Reason: uv is currently the most powerful Python package management tool, with fast speed and accurate dependency resolution

🟢 Node.js Installation

The project depends on Node.js, please download and install from the official website:

📦 Python Package Installation

# Enter project directory
cd MediaCrawler

# Use uv sync command to ensure consistency of python version and related dependency packages
uv sync

🌐 Browser Driver Installation

# Install browser driver
uv run playwright install

💡 Tip: MediaCrawler now supports using playwright to connect to your local Chrome browser, solving some issues caused by Webdriver.

Currently, xhs and dy are available using CDP mode to connect to local browsers. If needed, check the configuration items in config/base_config.py.

🚀 Run Crawler Program

# The project does not enable comment crawling mode by default. If you need comments, please modify the ENABLE_GET_COMMENTS variable in config/base_config.py
# Other supported options can also be viewed in config/base_config.py with Chinese comments

# Read keywords from configuration file to search related posts and crawl post information and comments
uv run main.py --platform xhs --lt qrcode --type search

# Read specified post ID list from configuration file to get information and comment information of specified posts
uv run main.py --platform xhs --lt qrcode --type detail

# Open corresponding APP to scan QR code for login

# For other platform crawler usage examples, execute the following command to view
uv run main.py --help

WebUI Support

🖥️ WebUI Visual Operation Interface

MediaCrawler provides a web-based visual operation interface, allowing you to easily use crawler features without command line.

For development, you need to start both the backend API service and the frontend Vite dev server:

# Terminal 1: start API server (default port 8080)
uv run uvicorn api.main:app --port 8080 --reload

# Terminal 2: start frontend dev server
cd webui
npm install
npm run dev        # starts on port 5173 by default and proxies /api to 8080

After successful startup, visit http://localhost:5173/ to open the WebUI interface.

On first launch, an environment check is performed (calls /api/env/check), so make sure the backend service is running. If the check fails, you can click "Skip Check" to bypass it temporarily.

Build for Production

If you want the API server to serve the WebUI static assets directly, build the frontend first:

cd webui
npm install
npm run build      # outputs to api/webui/

Then start only the API server:

uv run uvicorn api.main:app --port 8080 --reload

After successful startup, visit http://localhost:8080 to open the WebUI interface.

WebUI Features

  • Visualize crawler parameter configuration (platform, login method, crawling type, etc.)
  • Real-time view of crawler running status and logs
  • Data preview and export

Interface Preview

WebUI Interface Preview
🔗 Using Python native venv environment management (Not recommended)

Create and activate Python virtual environment

If crawling Douyin and Zhihu, you need to install nodejs environment in advance, version greater than or equal to: 16

# Enter project root directory
cd MediaCrawler

# Create virtual environment
# My python version is: 3.9.6, the libraries in requirements.txt are based on this version
# If using other python versions, the libraries in requirements.txt may not be compatible, please resolve on your own
python -m venv venv

# macOS & Linux activate virtual environment
source venv/bin/activate

# Windows activate virtual environment
venv\Scripts\activate

Install dependency libraries

pip install -r requirements.txt

Install playwright browser driver

playwright install

Run crawler program (native environment)

# The project does not enable comment crawling mode by default. If you need comments, please modify the ENABLE_GET_COMMENTS variable in config/base_config.py
# Other supported options can also be viewed in config/base_config.py with Chinese comments

# Read keywords from configuration file to search related posts and crawl post information and comments
python main.py --platform xhs --lt qrcode --type search

# Read specified post ID list from configuration file to get information and comment information of specified posts
python main.py --platform xhs --lt qrcode --type detail

# Open corresponding APP to scan QR code for login

# For other platform crawler usage examples, execute the following command to view
python main.py --help

💾 Data Storage

MediaCrawler supports multiple data storage methods, including CSV, JSON, JSONL, Excel, SQLite, and MySQL databases.

📖 For detailed usage instructions, please see: Data Storage Guide


🚀 MediaCrawlerPro Major Release 🚀! More features, better architectural design!

💬 Discussion Groups

  • WeChat Discussion Group: Click to join
  • Bilibili Account: Follow me, sharing AI and crawler technology knowledge

💰 Sponsor Display

Sponsor Introduction
TikHub TikHub.io provides 900+ highly stable data interfaces, covering 14+ mainstream domestic and international platforms including TK, DY, XHS, Y2B, Ins, X, etc. Supports multi-dimensional public data APIs for users, content, products, comments, etc., with 40M+ cleaned structured datasets. Use invitation code cfzyejV9 to register and recharge, and get an additional $2 bonus.
Atlas CloudAtlas Cloud Atlas Cloud is a full-modal AI inference platform that gives developers a single AI API to access video generation, image generation, and LLM APIs. Instead of managing multiple vendor integrations, you connect once and get unified access to 300+ curated models across all modalities. Check out Atlas Cloud's new coding plan promotion for more budget-friendly API access.
NodeMaven NodeMaven is an efficient proxy provider for web scraping and automation, offering the highest-quality IPs on the market. Key benefits include 99.9% uptime, ZIP targeting, IP filtering across all proxies (fraud score below 97%), no KYC, and unique free tools such as Proxy Bandwidth Checker, Meta Tag Checker, IP Lookup, and more. MediaCrawler users get 35% off mobile and residential proxies with code CRAWLER35, and 40% off ISP (static) proxies with code CRAWLER40. 👉 Visit NodeMaven
OpenLux Thank you to OpenLux for sponsoring this project! OpenLux is an all-in-one AI platform for businesses, bringing together leading AI models from major providers worldwide. With fast, reliable service and responsive technical support, OpenLux offers base pricing for Claude, OpenAI, and Gemini models as low as 8.82%, 4%, and 8% of official rates, respectively. Exclusive offer for MediaCrawler users: Sign up through our referral link and enjoy up to 7.5% off credit top-ups! 👉 Get started with OpenLux
SX.ORG SX.ORG is a high-performance proxy network built for heavy web scraping and anti-bot bypass, fully compatible with MediaCrawler. Key advantages include global dynamic residential IP coverage across 190+ locations, 99.9% network uptime, precise country/city/ASN targeting, native HTTP(S) & SOCKS5 support, and flexible session rotation for social media platforms. MediaCrawler users can use exclusive promo code CRAWLER3G at signup to get 3 GB of free trial traffic. 👉 Claim 3 GB on SX.ORG

🤝 Become a Sponsor

Become a sponsor and showcase your product here, getting massive exposure daily!

Contact Information:


📚 Other

⭐ Star Trend Chart

If this project helps you, please give a ⭐ Star to support and let more people see MediaCrawler!

Star History Chart

📚 References

Disclaimer

1. Project Purpose and Nature

This project (hereinafter referred to as "this project") was created as a technical research and learning tool, aimed at exploring and learning network data collection technologies. This project focuses on research of data crawling technologies for social media platforms, intended to provide learners and researchers with technical exchange purposes.

The project developer (hereinafter referred to as "developer") solemnly reminds users to strictly comply with relevant laws and regulations of the People's Republic of China when downloading, installing and using this project, including but not limited to the "Cybersecurity Law of the People's Republic of China", "Counter-Espionage Law of the People's Republic of China" and all applicable national laws and policies. Users shall bear all legal responsibilities that may arise from using this project.

3. Usage Purpose Restrictions

This project is strictly prohibited from being used for any illegal purposes or non-learning, non-research commercial activities. This project may not be used for any form of illegal intrusion into other people's computer systems, nor may it be used for any activities that infringe upon others' intellectual property rights or other legitimate rights and interests. Users should ensure that their use of this project is purely for personal learning and technical research, and may not be used for any form of illegal activities.

4. Disclaimer

The developer has made every effort to ensure the legitimacy and security of this project, but assumes no responsibility for any form of direct or indirect losses that may arise from users' use of this project. Including but not limited to any data loss, equipment damage, legal litigation, etc. caused by using this project.

5. Intellectual Property Statement

The intellectual property rights of this project belong to the developer. This project is protected by copyright law and international copyright treaties as well as other intellectual property laws and treaties. Users may download and use this project under the premise of complying with this statement and relevant laws and regulations.

6. Final Interpretation Rights

The developer has the final interpretation rights regarding this project. The developer reserves the right to change or update this disclaimer at any time without further notice.

🙏 Acknowledgments

JetBrains Open Source License Support

Thanks to JetBrains for providing free open source license support for this project!

JetBrains
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