Python Package Management

Python is famous for having many package and environment managers.

• pip is the default, index: PyPI (python package index)
• conda also does other language dependencies, index: Anaconda Repo, conda-forge Python environment is a directory with:

1. Binaries in bin: interpreter
2. Standard lib in lib
3. 3rd party packages in site-packages
   1. when you are making a python package you also You can {python}import packages (directory) or modules (single file)

• Python packages have directory structures under mypackage
  1. pyproject.toml or setup.py: package name & build configuration
  2. src/mypackage
     1. __init__.py is required to make it a package
     2. __main__.py is optional, allows running by python -m mypackage
     3. ./subpackage to be imported like {python}import mypackage.subpackage
• Python modules are the single file mymodule.py anc imported {python}import mymodule