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authorNed Batchelder <ned@nedbatchelder.com>2016-06-25 08:35:00 -0400
committerNed Batchelder <ned@nedbatchelder.com>2016-06-25 08:35:00 -0400
commit609bd9a53c89d6449ee504c266b3d02c15a097d0 (patch)
tree8fe3f796f01d4f5c453dd942b6f17a40b8f52c0b /coverage/control.py
parente058c1162e9d1c0f405a2f3a0fe55338a515f770 (diff)
downloadpython-coveragepy-git-609bd9a53c89d6449ee504c266b3d02c15a097d0.tar.gz
Combine no longer appends by default
Combine used to always load an existing .coverage file. This lead to confusing results and extra tox-clean steps. Now the default is to not load the existing file, though a new --append switch on coverage combine gets you that behavior if you need it. This also pointed up an issue with concurrency=multiprocessing, which is that the child processes automatically used parallel=True, but the parent process did not. Now concurrency=multiprocessing implies parallel=True.
Diffstat (limited to 'coverage/control.py')
-rw-r--r--coverage/control.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/coverage/control.py b/coverage/control.py
index 2f2989cb..f350b3d1 100644
--- a/coverage/control.py
+++ b/coverage/control.py
@@ -247,6 +247,9 @@ class Coverage(object):
if concurrency == "multiprocessing":
patch_multiprocessing()
concurrency = None
+ # Multi-processing uses parallel for the subprocesses, so also use
+ # it for the main process.
+ self.config.parallel = True
self.collector = Collector(
should_trace=self._should_trace,