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python-虚拟环境包(requirements.txt)的导出与安装

python-虚拟环境包(requirements.txt)的导出与安装:

导出:

  • bash命令:
# 虚拟环境下
pip freeze > requirements.txt
  • python:
import subprocess
subprocess.call(['pip', 'freeze'], stdout=open('requirements.txt', 'w'))
print("已成功导出环境到requirements.txt")
  • 导入虚拟环境:
# 进入虚拟环境
source xxx/bin/activate

# 开始导入包
pip3 install -r requirements.txt