To solve this, the community moved toward . Instead of running an installation script every time, developers pre-built the software into a "wheel" file. Now, when you run pip install , it rarely executes an install.py script anymore; it simply unpacks the pre-built files into the right place. The Legend Today: Where install.py Lives On
The tale of install.py is one of the oldest in the Python ecosystem, serving as the silent foundation for how software was built and distributed before modern tools like pip became the industry standard. The Origins: The distutils Era
This script, often essentially a rename of the concept of an "install.py," was the gatekeeper. It would check your system for a C compiler, look for dependencies, and then physically move files into your Python's site-packages folder. The Evolution: From Scripts to Tools