view tests/sitecustomize.py @ 33570:e470f12d7d05

check-config: mention the file and line of the error

I used this to more quickly track down a failing test-check-config.t issue
in another repo. I thought it might be useful more generally, so I'm sending
it out in case others think it's a worthwhile change.

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