What is the principle of python pip?

Principle

The management website of python third-party library (commonly known as the source) is: https://pypi.python.org/pypi

When the user uses the command pip install pip, a package search request will be sent to the above website. If it cannot be found, it will retry a few times and then give up. If found, the code and dependencies corresponding to the relevant library will be downloaded. After the local compilation is completed, it will be installed into the local python installation directory (usually ($(python installation directory)\lib\site-packages)).

Example of using pip to install third-party libraries

Installing numpy:

pip install numpy<br>

Pip common commands

Commands:
install	Installation package.
uninstall ​ ​ ​	Uninstall the package.
freeze ​ ​ ​	Output the list of installed packages in a certain format
#list ​ ​ ​	List installed packages.
#show	Display package details.
#search ​ ​ ​	Search package, similar to search. in yum
#wheel ​ ​ ​	Made wheels according to your requirements.
zip ​ ​ ​ ​	Not recommended. Compress a single package.
unzip ​ ​ ​	Not recommended. Unzip each package.
bundle	Not recommended. Create pybundles
help   ​ ​ ​	Current help.

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