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HomeBackend DevelopmentPython TutorialPractical tips for optimizing your pip experience: Use mirror sources to speed up downloads

Practical tips for optimizing your pip experience: Use mirror sources to speed up downloads

Jan 16, 2024 am 11:00 AM
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Practical tips for optimizing your pip experience: Use mirror sources to speed up downloads

Practical tips: Optimize your pip experience - how to use mirror sources

With the widespread application of Python, pip has become a must-have in Python development Package management tools. However, due to well-known reasons, pip is often slow to access official warehouses in China, which brings certain troubles to developers. In order to optimize your pip usage experience, this article will introduce how to use mirror sources to speed up pip downloads and update packages, making your development work smoother.

1. Common pip image sources

In China, there are many excellent pip image sources to choose from. The following are several common pip mirror sources:

  1. Douban (douban): https://pypi.doubanio.com/simple/
  2. Tsinghua University: https://pypi .tuna.tsinghua.edu.cn/simple/
  3. Alibaba Cloud: https://mirrors.aliyun.com/pypi/simple/
  4. University of Science and Technology of China (USTC): https: //pypi.mirrors.ustc.edu.cn/simple/
  5. Huazhong University of Science and Technology (HUST): http://pypi.hustunique.com/simple/

2. Method of using mirror source

The method of using pip to speed up downloading and updating packages is actually very simple. The following are two common usage methods:

  1. Temporarily using the mirror source

If you only need to use the mirror source occasionally, you can add -i after the pip command Parameters are used to temporarily specify a mirror source. For example, to use the Douban mirror source, you can enter in the command line:

pip install 包名 -i https://pypi.doubanio.com/simple/

In this way, pip will download and install the package from the Douban mirror source instead of the official warehouse.

  1. Use the mirror source permanently

If you want to always use a mirror source, you can add it to the pip configuration file. First, you can find the location of pip's configuration file through the following command:

pip config --list

After finding the configuration file, use a text editor to open the file and add the following content:

[global]
index-url = 镜像源的地址

For example, to add Douban As the default source, you can add the following content:

[global]
index-url = https://pypi.doubanio.com/simple/

After saving and closing the file, you can use the Douban mirror source permanently.

3. Verify the validity of the mirror source

Before selecting and using the mirror source, it is recommended to verify its validity. The method is to use the pip test command to try to download a package from the mirror source, for example:

pip install 包名 -i 镜像源地址 --no-cache-dir

If the installation is successful, the mirror source is available.

4. How to use switching mirror sources

Sometimes, you may need to switch between different mirror sources. This can be achieved by modifying the pip configuration file. Just set index-url to the desired mirror source address.

For example, if you want to switch to the mirror source of Tsinghua University, you only need to set index-url to https://pypi.tuna.tsinghua.edu.cn/ simple/.

5. Summary

By using mirror sources, you can effectively increase the speed of pip downloads and update packages, making your development work smoother. This article describes two common ways to use mirror sources: temporary use and permanent use. At the same time, it also emphasizes the method of verifying the validity of the mirror source and switching the mirror source. I hope these tips can help you optimize your pip experience and improve development efficiency.

When using a mirror source, it is recommended to choose an appropriate mirror source according to your own network conditions to obtain the best download speed and stability.

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