get_all_importable_files.py

import re
import os
import sys


for directory in sys.path:
    for directory, subDirectories, files in os.walk(directory):
        for file in files:
            if file.endswith('.py'):
                filepath = os.path.join(directory, file).replace('/', '.')
                match = re.match(pattern='.*.site-packages.(.*)', string=filepath)
                if match:
                    print(match.groups())