Find missing dependencies for Ansible plugins. Related to Homebrew/homebrew-core#28839

find_missing_deps.py

#!/usr/bin/env python

from distutils.sysconfig import get_python_lib
from glob import iglob
from modulefinder import ModuleFinder

EXCLUDED_DEPENDENCIES = [
    # Standard libraries
    'distutils',
    'func',
    'multiprocessing',
    'ordereddict',
    'os',
    'selectors',

    # Ansible libraries
    'ansible',
    'library',

    # Already included in Homebrew formula
    'jinja2',
    'ncclient',
    'winrm',

    # Irrelevant on MacOS
    'lxc',
    'selinux',
]

# Exclude Jinja2 to avoid import errors
# https://github.com/pallets/jinja/issues/643
finder = ModuleFinder(excludes=['jinja2'])
dependencies = set()

for script in iglob('{}/ansible/plugins/*/*.py'.format(get_python_lib())):
    finder.run_script(script)

for module, caller in finder.badmodules.items():
    if '__main__' in caller:
        dependencies.add(module.split('.')[0])

dependencies.difference_update(EXCLUDED_DEPENDENCIES)
print('\n'.join(sorted(dependencies)))