pip的基本使用

一、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]# 

二、安装依赖包，默认安装到python3安装目录下的libpython3.7site-packages目录下

[root@localhost alicoud_check_ecs_validity-1.0]# pip3 install pytest

三、卸载依赖包

[root@localhost site-packages]# pip3 uninstall -y pytest

四、升级pip

pip3 install --upgrade pip

五、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