diff -r 0a74c1efab70 -r 0daf79d65080 DebugClients/Python/coverage/monkey.py
--- a/DebugClients/Python/coverage/monkey.py Mon Apr 02 12:04:56 2018 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,80 +0,0 @@
-# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-# For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt
-
-"""Monkey-patching to make coverage.py work right in some cases."""
-
-import multiprocessing
-import multiprocessing.process
-import sys
-
-# An attribute that will be set on modules to indicate that they have been
-# monkey-patched.
-PATCHED_MARKER = "_coverage$patched"
-
-if sys.version_info >= (3, 4):
- klass = multiprocessing.process.BaseProcess
-else:
- klass = multiprocessing.Process
-
-original_bootstrap = klass._bootstrap
-
-
-class ProcessWithCoverage(klass):
- """A replacement for multiprocess.Process that starts coverage."""
- def _bootstrap(self):
- """Wrapper around _bootstrap to start coverage."""
- from coverage import Coverage
- cov = Coverage(data_suffix=True)
- cov.start()
- try:
- return original_bootstrap(self)
- finally:
- cov.stop()
- cov.save()
-
-
-class Stowaway(object):
- """An object to pickle, so when it is unpickled, it can apply the monkey-patch."""
- def __getstate__(self):
- return {}
-
- def __setstate__(self, state_unused):
- patch_multiprocessing()
-
-
-def patch_multiprocessing():
- """Monkey-patch the multiprocessing module.
-
- This enables coverage measurement of processes started by multiprocessing.
- This is wildly experimental!
-
- """
- if hasattr(multiprocessing, PATCHED_MARKER):
- return
-
- if sys.version_info >= (3, 4):
- klass._bootstrap = ProcessWithCoverage._bootstrap
- else:
- multiprocessing.Process = ProcessWithCoverage
-
- # When spawning processes rather than forking them, we have no state in the
- # new process. We sneak in there with a Stowaway: we stuff one of our own
- # objects into the data that gets pickled and sent to the sub-process. When
- # the Stowaway is unpickled, it's __setstate__ method is called, which
- # re-applies the monkey-patch.
- # Windows only spawns, so this is needed to keep Windows working.
- try:
- from multiprocessing import spawn # pylint: disable=no-name-in-module
- original_get_preparation_data = spawn.get_preparation_data
- except (ImportError, AttributeError):
- pass
- else:
- def get_preparation_data_with_stowaway(name):
- """Get the original preparation data, and also insert our stowaway."""
- d = original_get_preparation_data(name)
- d['stowaway'] = Stowaway()
- return d
-
- spawn.get_preparation_data = get_preparation_data_with_stowaway
-
- setattr(multiprocessing, PATCHED_MARKER, True)
