import os

if os.environ.get('COVERAGE_PROCESS_START'):

    try:

        import coverage

        import uuid

        covpath = os.path.join(

            os.environ['COVERAGE_DIR'], 'cov.%s' % uuid.uuid1()

        )

        cov = coverage.coverage(data_file=covpath, auto_data=True)

        cov._warn_no_data = False

        cov._warn_unimported_source = False

        cov.start()

    except ImportError:

        pass