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bpo-36814: ensure os.posix_spawnp handles Py_None #13144

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Merged
vstinner merged 6 commits into from
May 10, 2019
+11 −1
Merged

bpo-36814: ensure os.posix_spawnp handles Py_None #13144

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86e8120
ensure os.posix_spawnp handles Py_None
tonybaloney May 6, 2019
fae5996
📜🤖 Added by blurb_it.
blurb-it[bot] May 6, 2019
1ec7383
Add tests for change
tonybaloney May 7, 2019
c56303a
Merge branch 'bpo-36814' of github.com:tonybaloney/cpython into bpo-3…
tonybaloney May 7, 2019
40eed9e
Move tests
tonybaloney May 10, 2019
16ecfb0
Remove references to self
tonybaloney May 10, 2019
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9 changes: 9 additions & 0 deletions Lib/test/test_posix.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1550,6 +1550,15 @@ def test_specify_environment(self):
with open(envfile) as f:
self.assertEqual(f.read(), 'bar')

def test_none_file_actions(self):
pid = self.spawn_func(
self.NOOP_PROGRAM[0],
self.NOOP_PROGRAM,
os.environ,
file_actions=None
)
self.assertEqual(os.waitpid(pid, 0), (pid, 0))

def test_empty_file_actions(self):
pid = self.spawn_func(
self.NOOP_PROGRAM[0],
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1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Library/2019-05-06-23-13-26.bpo-36814.dSeMz_.rst
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@@ -0,0 +1 @@
Fix an issue where os.posix_spawnp() would incorrectly raise a TypeError when file_actions is None.
2 changes: 1 addition & 1 deletion Modules/posixmodule.c
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Expand Up @@ -5465,7 +5465,7 @@ py_posix_spawn(int use_posix_spawnp, PyObject *module, path_t *path, PyObject *a
goto exit;
}

if (file_actions != NULL) {
if (file_actions != NULL && file_actions != Py_None) {
/* There is a bug in old versions of glibc that makes some of the
* helper functions for manipulating file actions not copy the provided
* buffers. The problem is that posix_spawn_file_actions_addopen does not
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