What is the method to install pip offline?

The ways to install pip offline are to install from a file, use the local package index and create a custom offline package. The steps are as follows: 1. Install from the file, download the Python package file, and use pip to install; 2. Use the local package index, create a local package index file, and use the local package index to install; 3. Create a customized offline package, Download and package the Python package, upload it to the target machine and install it.

The operating system of this tutorial: windows10 system, Python3.11.4, DELL G3 computer.

Offline installation refers to installing Python packages without an Internet connection. Normally, we use the pip command to download and install Python packages from the Internet, but in some cases, such as on a server without an Internet connection or in a restricted environment, offline installation is required. In this answer, I will introduce how to install offline in the following ways:

• 1. Install from a file

• 2. Use the local package index

• 3. Create a custom offline package

Install from the file

• Step 1: Download the Python package file

First, you need to download the Python package installation file on a machine with an Internet connection. You can use PyPI (Python Package Search and download the required Python package on the Index website. Usually the downloaded files are in .whl, .tar.gz, .zip and other formats. Copy these files to the target installation machine.

• Step 2: Use pip to install

On the target installation machine, enter the directory where the Python package file is stored, and use the pip command. Installation, for example:

pip install package_file_name.whl

The package_file_name.whl here is the name of the Python package file you downloaded. In this way, pip will directly use the local Python package file for installation without downloading it from the Internet.

Using local package index

• Step 1: Create a local package index file

First, Generate a local package index using the following command on a machine with an internet connection:

pip download -d /path/to/package-folder package_name

This will download package_name and all its dependencies into the /path/to/package-folder directory. This step will download the required Python packages and their dependencies from the Internet to your local computer.

• Step 2: Install using local package index

Copy the package-folder downloaded in the previous step to the target installation machine, and then Use pip to install:

pip install --no-index --find-links=/path/to/package-folder package_name

Here/path/to/package-folder is the folder path where the local package index is stored, and package_name is the name of the Python package to be installed. By adding the --no-index and --find-links parameters, pip will find and install the required Python package in the local package index folder without trying to download it from the network again.

Create a custom offline package

• Step 1: Download and package the Python package

You can download the required Python packages on a machine with an internet connection and package them into a ZIP or tarball format archive.

• Step 2: Upload to the target machine and install

Upload the packaged Python package file to the target installation machine, and unzip the file. Then use the pip command to install, for example:

pip install package_folder_name

The package_folder_name here is the name of the package folder you decompressed. This way you can install custom Python packages offline.

Conclusion

By using the above method, you can install Python packages offline in an environment without an Internet connection. Whether installing from a file, using a local package index, or creating a custom offline package, these methods can help you meet your Python package installation needs in an offline environment.

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