You might be wondering what a Python “package” is, and how it relates to the Python module. Essentially, a package is a group of modules with an __init__.py fie that ties them all together.

Python modules are typically installed using a package manager called 'pip', which launches a 'setup.py' file that is made available by the developer of the package for installation purposes.

If you've read a fair amount of Python code, then you've probably seen this "__init__.py" file pop up quite a few times. It's especially common in larger Python projects. I'm going to breakdown ...

PyInstaller can detect and automatically package many common Python packages, like NumPy, but you might need to provide hints in some cases. (More on this later.) ...