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How to speed up Python package downloads: Change the pip source

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Release: 2024-01-18 09:12:07
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How to speed up Python package downloads: Change the pip source

How to change the pip source and improve the download speed of Python packages

Overview:
In the process of using Python development, we usually use the pip tool to download and Install various third-party libraries and packages. However, due to well-known reasons, the default source of pip is very slow in China, and sometimes even fails to connect. In order to improve the download speed of Python packages, we can choose to change the pip source. This article will introduce how to replace the pip source and provide specific code examples.

Step 1: Back up the original pip configuration file
Before replacing the pip source, we need to back up the original pip configuration file to avoid being unable to recover after an error. If your system is a Windows platform, please find and back up the file path:

C:Users你的用户名pippip.ini
Copy after login

If your system is a Mac or Linux platform, please find and back up the file path:

~/.pip/pip.conf
Copy after login

Step 2 :Choose a domestic pip source
Currently, the more commonly used and faster pip sources include Alibaba Cloud, Douban, Tsinghua University, etc. We can choose a suitable source according to our needs. The following uses Alibaba Cloud as an example to introduce how to replace the source.

  1. Open the backed up pip configuration file and edit it with a text editor.
  2. Comment out the original source and add the following:

    [global]
    index-url = http://mirrors.aliyun.com/pypi/simple/
    [install]
    trusted-host=mirrors.aliyun.com
    Copy after login
    Copy after login
    Copy after login
  3. Save the file and close the editor.

Step 3: Replace the configuration file
Replace the modified pip configuration file with the original file.

If your system is a Windows platform, rename the modified file to pip.ini and place it in the C:Users<your username>pip directory.

If your system is a Mac or Linux platform, rename the modified file to pip.conf and place it in the ~/.pip/ directory.

Step 4: Restart the Python environment
Reopen the terminal or IDE to make the replaced pip source take effect.
Afterwards, we can download the package through the pip install command and observe whether the download speed improves. If you are still not satisfied, you can try other sources.

To sum up, by changing the pip source, we can improve the download speed of Python packages. I hope this article can be helpful to you, and I wish you better results in Python development!

Code example:
The example of the pip configuration file pip.ini on the Windows platform is as follows:

[global]
index-url = http://mirrors.aliyun.com/pypi/simple/
[install]
trusted-host=mirrors.aliyun.com
Copy after login
Copy after login
Copy after login

The example of the pip configuration file pip.conf on the Mac or Linux platform is as follows:

[global]
index-url = http://mirrors.aliyun.com/pypi/simple/
[install]
trusted-host=mirrors.aliyun.com
Copy after login
Copy after login
Copy after login

Note: Please choose the appropriate source according to your own needs, and replace the Alibaba Cloud source in the above example with the source of your choice.

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