docs: def get_version():
      """
      parse __init__.py for version number instead of importing the file
      see http://stackoverflow.com/questions/458550/standard-way-to-embed-version-into-python-package
      """
      version_file = os.path.join(PKG, 'lib/version.py')
      ver_str_line = open(version_file, "rt").read()
      version_regex = r'^__version__ = [\'"]([^\'"]*)[\'"]'
      mo = re.search(version_regex, ver_str_line, re.M)
      if mo:
          return mo.group(1)
      else:
          raise RuntimeError('Unable to find version string in %s.'
                             % (version_file,))