def has_environment_marker_support():
 try:
  return (pkg_resources.parse_version(setuptools.__version__) >= pkg_resources.parse_version('0.7.2'))
 except Exception as exc:
  sys.stderr.write(("Could not test setuptool's version: %s\n" % exc))
  return False

def has_environment_marker_support ( ) : try : return ( pkg_resources . parse_version ( setuptools . __version__ ) >= pkg_resources . parse_version ( '0.7.2' ) ) except Exception as exc : sys . stderr . write ( ( "Could not test setuptool's version: %s\n" % exc ) ) return False
tests that setuptools has support for pep-426 environment marker support .