python小技巧

[从python包镜像库安装库]
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple PyQt5

[下载离线安装包]
pip download pyqt5 -i https://pypi.tuna.tsinghua.edu.cn/simple -d .

[指定平台]
pip download pyqt5 --platform linux_x86_64 --only-binary=:all:

[查看依赖]
pip show pyqt5

Name: PyQt5
Version: 5.15.8
Summary: Python bindings for the Qt cross platform application toolkit
Home-page: https://www.riverbankcomputing.com/software/pyqt/
Author: Riverbank Computing Limited
Author-email: info@riverbankcomputing.com
License: GPL v3
Location: e:\software\python38\lib\site-packages
Requires: PyQt5-Qt5, PyQt5-sip
Required-by:

参考：
https://imshuai.com/python-pip-install-package-offline-tensorflow
https://blog.51cto.com/u_15072920/3345726#:~:text=pip离线安装是重点，依赖的安装重点（下面有详细图解）vue在下 %23 1 pip换源---》提高下载模块的速度（） %23 2 每个python项目，都应该有个requirement.txt--->项目依赖的模块 >pip,install -r requirement.txt -i 豆瓣源 %23 下载 %23vue的安装是基于依赖。