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bpo-27015: Save kwargs given to exceptions constructor #11580

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remilapeyre wants to merge 9 commits into from
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bpo-27015: Save kwargs given to exceptions constructor #11580

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6a00f21
Save kwargs given to exceptions constructor
Jan 15, 2019
12dc912
fix NEWS entry typo and formatting
gpshead Jan 16, 2019
1d12d28
Move CalledProcessError pickling test to test_subprocess
Jan 16, 2019
88ba13e
Fix tuple size
Jan 16, 2019
9986e86
Create self.kwargs only if accessed
Jan 16, 2019
7794862
Fix coding style issues and use Python memory allocator
Jan 28, 2019
6c906da
Implement BaseException.__getnewargs_ex__
Feb 20, 2019
4657d7e
Use __reduce_ex__ and __getnewargs_ex__
Feb 20, 2019
2fc3366
Remove some Refleaks
Feb 21, 2019
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Move CalledProcessError pickling test to test_subprocess
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Rémi Lapeyre committed Jan 16, 2019
commit 1d12d28ffa2dfb7c41ba5cd3d8e98838e9bdbb44
8 changes: 2 additions & 6 deletions Lib/test/test_exceptions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1415,14 +1415,10 @@ def test_copy_pickle(self):

def test_pickle_overriden_init(self):
# Issue #27015
from subprocess import CalledProcessError

for proto in range(pickle.HIGHEST_PROTOCOL + 1):
orig = CalledProcessError(returncode=2, cmd='foo')
orig = NaiveException(x='foo')
exc = pickle.loads(pickle.dumps(orig, proto))
self.assertEqual(orig.cmd, exc.cmd)
self.assertEqual(orig.returncode, exc.returncode)

self.assertEqual(orig.x, exc.x)


if __name__ == '__main__':
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9 changes: 9 additions & 0 deletions Lib/test/test_subprocess.py
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Expand Up @@ -18,6 +18,7 @@
import threading
import gc
import textwrap
import pickle
from test.support import FakePath

try:
Expand Down Expand Up @@ -1690,6 +1691,14 @@ def test_CalledProcessError_str_non_zero(self):
error_string = str(err)
self.assertIn("non-zero exit status 2.", error_string)

def test_CalledProcessError_picklable(self):
# Issue #27015
err = subprocess.CalledProcessError(returncode=2, cmd='foo')
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
new = pickle.loads(pickle.dumps(err, proto))
self.assertEqual(err.returncode, new.returncode)
self.assertEqual(err.cmd, new.cmd)

def test_preexec(self):
# DISCLAIMER: Setting environment variables is *not* a good use
# of a preexec_fn. This is merely a test.
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