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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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Use __reduce_ex__ and __getnewargs_ex__
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Rémi Lapeyre committed Feb 21, 2019
commit 4657d7e06a334e7ceb9cffbd7139e1b403d3871a
29 changes: 17 additions & 12 deletions Lib/test/test_exceptions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -439,16 +439,15 @@ def testAttributes(self):
value, expected[checkArgName]))

# test for pickling support
for p in [pickle]:
for protocol in range(p.HIGHEST_PROTOCOL + 1):
s = p.dumps(e, protocol)
new = p.loads(s)
for checkArgName in expected:
got = repr(getattr(new, checkArgName))
want = repr(expected[checkArgName])
self.assertEqual(got, want,
'pickled "%r", attribute "%s' %
(e, checkArgName))
for protocol in range(pickle.HIGHEST_PROTOCOL + 1):
s = pickle.dumps(e, protocol)
new = pickle.loads(s)
for checkArgName in expected:
got = repr(getattr(new, checkArgName))
want = repr(expected[checkArgName])
self.assertEqual(got, want,
'pickled "%r", attribute "%s"' %
(e, checkArgName))

def testWithTraceback(self):
try:
Expand Down Expand Up @@ -1417,8 +1416,14 @@ def test_pickle_overriden_init(self):
# Issue #27015
for proto in range(pickle.HIGHEST_PROTOCOL + 1):
orig = NaiveException(x='foo')
exc = pickle.loads(pickle.dumps(orig, proto))
self.assertEqual(orig.x, exc.x)
if proto in (0, 1):
# Pickling excpetions keyword arguments is not supported for
# protocol 0 and 1
with self.assertRaises(TypeError):
pickle.loads(pickle.dumps(orig, proto))
else:
exc = pickle.loads(pickle.dumps(orig, proto))
self.assertEqual(orig.x, exc.x)


if __name__ == '__main__':
Expand Down
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