py2exe

py2exe is a Python extension module that allows you to convert Python programs into standalone Windows executables. It works by bundling the Python interpreter and all necessary libraries along with your script into a single executable file. This means that users do not need to have Python installed on their system to run your application.

The primary use of py2exe is to distribute Python applications to users who do not have a Python development environment. It simplifies the deployment process by creating a self-contained package. The generated executables can be run on any Windows machine that meets the basic requirements of the bundled interpreter.

To use py2exe, you typically create a setup script, often named setup.py, which specifies how your application should be packaged. This script defines the modules to include, data files to bundle, and other packaging options. Running this script with the py2exe command line tool then generates the executable files and supporting libraries in a specified output directory.

While py2exe has been a popular choice for many years, it is important to note that it is no longer actively maintained and may not support the latest Python versions. Alternatives like PyInstaller and cx_Freeze are often recommended for newer projects due to their ongoing development and broader compatibility. However, for legacy projects or specific environments where py2exe is still functional, it remains a viable option.