print_common_module_versions.py

def get_versions():
  versions = []

  import sys
  versions.append('Python verison: {}.{}.{}'.format(sys.version_info.major, sys.version_info.minor, sys.version_info.micro))

  import cv2
  versions.append('OpenCV: {}'.format(cv2.__version__))

  import numpy as np
  versions.append('numpy: {}\n'.format(np.__version__))

  try:
    import tensorflow as tf
    versions.append('Tensorflow: {}'.format(tf.__version__))
  except:
    pass

  return '\n'.join(versions)

if __name__ == "__main__":
  print(get_versions())