python 在 Linux CentOS 上安装 playwright 的完整步骤
1. 检查 Python 版本
python3 --version
确保 Python 版本 >= 3.7
2. 安装 pip3(如果没有)
sudo yum install -y python3-pip
3. 升级 pip3
python3 -m pip install --upgrade pip
4. 安装 playwright
pip3 install playwright
5. 安装浏览器驱动
python3 -m playwright install
6. 测试安装
python3 -c "from playwright.sync_api import sync_playwright; print('Playwright 安装成功')"
如果遇到权限问题
方法1:使用 --user 参数
pip3 install --user playwright
python3 -m playwright install
方法2:使用虚拟环境
# 创建虚拟环境
python3 -m venv douyin_env
source douyin_env/bin/activate# 在虚拟环境中安装
pip install playwright
python -m playwright install
7. 测试脚本
python3 ce.py "https://www.ce.com/video/7509336608027151674"
常见问题解决
如果 pip3 命令不存在:
sudo yum install -y epel-release
sudo yum install -y python3-pip
如果 Python 版本太老:
# 安装 Python 3.8+
sudo yum install -y python38 python38-pip
python3.8 -m pip install playwright
python3.8 -m playwright install
如果网络问题:
# 使用国内镜像
pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple playwright
按照这些步骤应该能成功安装 playwright!