查看安装的依赖包列表
[root@localhost alicoud_check_ecs_validity-1.0]# pip3 freeze
allure-pytest==2.8.40
allure-python-commons==2.8.40
attrs==21.2.0
et-xmlfile==1.1.0
importlib-metadata==4.5.0
iniconfig==1.1.1
lxml==4.5.1
openpyxl==3.0.7
packaging==20.9
pluggy==0.13.1
py==1.10.0
PyMouse==1.0
pyparsing==2.4.7
pytest==6.2.3
selenium==3.141.0
six==1.16.0
toml==0.10.2
typing-extensions==3.10.0.0
urllib3==1.26.5
zipp==3.4.1
[root@localhost alicoud_check_ecs_validity-1.0]#
查看指定已安装包信息
安装指定版本库
pip install pydantic==1.10.13
查看所有已安装库列表
升级指定库
pip install --upgrade pydantic
卸载指定库
导出已安装包列表到requirements.txt
pip freeze>requirements.txt
从requirements.txt文件安装库
pip install -r requirements.txt
指定下载源下载包
pip install pydantic==1.10.13 -i https://pypi.douban.com/simple
查看当前默认源
设置pip默认下载源为阿里云
pip config set global.index-url http://mirrors.aliyun.com/pypi/simple/
清除设置的下载源
pip config unset global.index-url
安装依赖包，默认安装到python3安装目录下的lib\python3.7\site-packages\目录下
[root@localhost alicoud_check_ecs_validity-1.0]# pip3 install pytest
卸载依赖包
[root@localhost site-packages]# pip3 uninstall -y pytest
升级pip
pip3 install --upgrade pip
离线安装whl依赖安装包
[root@localhost alicoud_check_ecs_validity-1.0]# pip3 install whell packages/pytest-6.2.3-py3-none-any.whl
