When writing a finder [http://docs.python.org/3/glossary.html#term-finder] like importlib.machinery.FileFinder [http://docs.python.org/3/library/importlib.html#importlib.machinery.FileFinder] it’s all about working with

There are essentially three parts to any importer in Python 3: 1. The path hook [http://docs.python.org/3/glossary.html#term-path-entry-hook] 2. The finder [http://docs.python.org/3/glossary.html#