view tests/sitecustomize.py @ 43679:7cf332318f62

encoding: make getcols() raise exception explicitly

This helps pytype.

  File "mercurial/encoding.py", line 329, in getcols: bad option in return
  type [bad-return-type]
  Expected: bytes
  Actually returned: None

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