Windows version of the various Python library installation package download address and installation process

In the development of Python (Windows environment), you will encounter the need to install a version of the third-party library, for later search, installation convenience, summarized as follows:

Various versions of the Python library installation package for Windows download address: http://www.lfd.uci.edu/~gohlke/pythonlibs/

First, open cmd

Second, switch the cmd current directory to Downloads, the command is CD Downloads

Third, in the article at the beginning of the link to download the required three-party library, taking SciPy as an example: 0.18.1 is the library version number, CP27, cp35 respectively corresponding Python2.7, PYTHON3.5;WIN32, win_amd64 corresponding operating system is 32-bit, 64-bit, Download should be based on your computer configuration download

Iv. in the Command Line window input: Pip install XXX (actual download third-party library full name can be)

Precautions:

1) in the Command Line window, enter Python to see if you have installed the Python version number, the number of operating system bits, such as the author's configuration: python3.5,64 bit, so download SCI-0.18.1-CP35-CP35M-WIN_AMD64.WHL.

2) Pay attention to the dependencies between the repositories, that is, which library to install first, and then install which library, readers can be based on the error message or the knowledge they learned to judge.

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