How to change the source of pip

The methods for pip to change the source include directly modifying the configuration file and using command line tools to change the source. Detailed introduction: 1. Modify the configuration file directly, find the `pip` folder in the user directory, and create a new one if it does not exist. Create a configuration file named `pip.ini` (Windows) or `.pip/pip.conf` (Linux/macOS) in this folder. Open the file and add the following content to replace the source: index-url = Replace with the url of the new source; 2. Use the command line tool.

The operating system for this tutorial: Windows 10 system, Python version 3.11.4, Dell G3 computer.

By default, pip uses the official source (PyPI) to download and install packages. However, sometimes official sources are slower to download or inaccessible under certain network circumstances. In order to solve these problems, you can change the source of pip. This article will introduce how to change the source of pip and commonly used sources.

1. How to change the pip source

1. Directly modify the configuration file

Find the `pip` folder in the user directory, and create a new one if it does not exist. Create a configuration file named `pip.ini` (Windows) or `.pip/pip.conf` (Linux/macOS) in this folder. Open the file and add the following content to replace the source:

    [global]
    index-url = 替换为新源的URL

Where, `replace with the URL of the new source` is the address of the source you want to change. Commonly used sources include the University of Science and Technology of China source (https://pypi.mirrors.ustc.edu.cn/simple/), Douban source (https://pypi.douban.com/simple/), etc.

2. Use the command line tool to change the source

If you don’t want to manually edit the configuration file, you can also use the command line tool to change the source. The following is how to use the `pip` command to change the source:

- Use the `pip config` command:

Open the command line and enter the following command to set up a new source:

     pip config set global.index-url 替换为新源的URL

Among them, `Replace with the URL of the new source` is the address of the source you want to change.

- Use the `-i` parameter:

When using the pip command, you can specify a new source through the `-i` parameter. For example:

     pip install -i 替换为新源的URL package_name

Where, `replace with the URL of the new source` is the address of the source you want to replace, and `package_name` is the name of the package to be installed.

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2. Commonly used pip sources

1. The source of the University of Science and Technology of China (https://pypi.mirrors.ustc.edu.cn/simple/)

The source of the University of Science and Technology of China It is a mirror source provided by the University of Science and Technology of China, which is fast and stable.

2. Douban Source (https://pypi.douban.com/simple/)

Douban Source is the mirror source provided by Douban, and the speed is relatively fast.

3. Tsinghua Source (https://pypi.tuna.tsinghua.edu.cn/simple/)

Tsinghua Source is a mirror source provided by Tsinghua University and is faster.

4. Alibaba Cloud Source (http://mirrors.aliyun.com/pypi/simple/)

Alibaba Cloud Source is a mirror source provided by Alibaba Cloud, and it is also relatively fast.

Select the appropriate source to replace as needed.

Summary:

This article introduces how to change the source of pip and commonly used sources. By changing the source, you can increase the download speed of pip and solve the problem of being unable to access the official source in a specific network environment. Sources can be easily replaced, whether by modifying the configuration files directly or using command line tools. Choose the appropriate source to replace as needed for a better download experience.

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