annotate tests/sitecustomize.py @ 43265:82879e06c926

ui: option to preserve the progress bar

Some interface like the fast-import format of git are meant for pipe
processing. It can be still desirable to have progress bars in this
case, but clearing the bar after each output operation is not desirable.

Differential Revision: https://phab.mercurial-scm.org/D6843

from __future__ import absolute_import
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