How Can I Use Specific Python Versions with Virtual Environments?

Using Different Python Versions in Virtual Environments

When working with multiple Python projects, it can be beneficial to create isolated environments to ensure compatibility and prevent conflicts. Virtual environments allow you to run specific Python versions and packages independently.

Creating a Virtual Environment for a Specified Python Version

To create a virtual environment for a desired Python version, use the --python (or shorthand -p) option during the virtualenv command. This option specifies the path to your chosen Python executable.

For Python versions prior to 3.3, execute the following command:

virtualenv --python="/usr/bin/python2.6" "/path/to/new/virtualenv/"

In this example, Python 2.6 is being used. However, remember to replace the Python executable path and virtual environment path as needed.

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