[issue18993] There is an overshadowed and invalid test in testmock.py
New submission from Vajrasky Kok: In Lib/unittest/test/testmock/testmock.py, there are two test_attribute_deletion. One of them is overshadowed (not executed) by the other. def test_attribute_deletion(self): # this behaviour isn't *useful*, but at least it's now tested... for Klass in Mock, MagicMock, NonCallableMagicMock, NonCallableMock: m = Klass() original = m.foo m.foo = 3 del m.foo self.assertEqual(m.foo, original) new = m.foo = Mock() del m.foo self.assertEqual(m.foo, new) def test_attribute_deletion(self): for mock in Mock(), MagicMock(): self.assertTrue(hasattr(mock, 'm')) del mock.m self.assertFalse(hasattr(mock, 'm')) del mock.f self.assertFalse(hasattr(mock, 'f')) self.assertRaises(AttributeError, getattr, mock, 'f') They are testing the same thing but with different expectations. The first one is invalid and should be removed. The patch altered a bit of the second test to incorporate more mock classes. -- components: Tests files: remove_wrongly_test_in_testmock.patch keywords: patch messages: 197424 nosy: vajrasky priority: normal severity: normal status: open title: There is an overshadowed and invalid test in testmock.py type: enhancement versions: Python 3.4 Added file: http://bugs.python.org/file31708/remove_wrongly_test_in_testmock.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18993 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18994] Inside fcntl module, we does not check the return code of all_ins function
New submission from Vajrasky Kok: In Modules/fcntlmodule.c, there is a code to insert symbolic constants to the module. all_ins(m); But we don't check the return code of the function whether it is successful or not, unlike in posix module in which we check it. if (all_ins(m)) return NULL; Attached the patch to add checking of the return code of all_ins function in fcntl module file. -- components: Extension Modules files: check_return_code_all_ins_in_fcntl.patch keywords: patch messages: 197425 nosy: vajrasky priority: normal severity: normal status: open title: Inside fcntl module, we does not check the return code of all_ins function type: enhancement versions: Python 3.4 Added file: http://bugs.python.org/file31709/check_return_code_all_ins_in_fcntl.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18994 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18903] IDLE file-completion is case-sensitive in Windows
Westley Martínez added the comment: I've written a patch that sort of implements the functionality that makes the most sense to me. The problem is it only works right for the first entry. It's kind of wonky and I'm not entirely sure how it behaves, nor do I know the cause of the bug, but it's a start. -- keywords: +patch Added file: http://bugs.python.org/file31710/cpython-idle-18903-1.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18903 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18943] argparse: default args in mutually exclusive groups
Armin Rigo added the comment: The patch looks good to me. It may break existing code, though, as reported on https://bugs.pypy.org/issue1595. I would say that it should only go to trunk. We can always fix PyPy (at Python 2.7) in a custom manner, in a bug-to-bug compatibility mode. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18943 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18995] Enum does not work with reversed
New submission from Vajrasky Kok: cutecat@amiau:~/cpython$ cat /tmp/innerplanets.py from enum import Enum class innerplanets(Enum): mercury = 1 venus = 2 earth = 3 mars = 4 for planet in innerplanets: print(planet) for planet in reversed(innerplanets): print(planet) cutecat@amiau:~/cpython$ ./python /tmp/innerplanets.py innerplanets.mercury innerplanets.venus innerplanets.earth innerplanets.mars Traceback (most recent call last): File /tmp/innerplanets.py, line 11, in module for planet in reversed(innerplanets): File /home/cutecat/cpython/Lib/enum.py, line 255, in __getitem__ return cls._member_map_[name] KeyError: 3 Attached the patch to add support for reversed in enum. -- components: Library (Lib) files: add_reversed_support_for_enum.patch keywords: patch messages: 197428 nosy: ethan.furman, vajrasky priority: normal severity: normal status: open title: Enum does not work with reversed type: behavior versions: Python 3.4 Added file: http://bugs.python.org/file31711/add_reversed_support_for_enum.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18995 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue1565525] tracebacks eat up memory by holding references to locals and globals when they are not wanted
A.M. Kuchling added the comment: I'm happy to change the function name, though I'll note that the traceback module does have print_tb(), format_tb() and extract_tb(). I'm OK with both of Victor's suggestions but personally slightly prefer traceback.clear_frames(tb). Rationale: People who are keeping tracebacks around and want to save memory are probably using other functions from the traceback module, and the module has fairly short names (print_tb, format_exception) so I doubt they'll often do 'from traceback import clear_traceback_frames'. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue1565525 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18986] Add a case-insensitive case-preserving dict
Antoine Pitrou added the comment: (now relayed on python-dev) -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18986 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18992] test_sax fails on Windows under 3.4.0a2
Martin v. Löwis added the comment: Is there an easy way to recheck the entire tree, possibly reverting any files that don't match the content that they should have? I'd rather not throw the tree away. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18992 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18992] test_sax fails on Windows under 3.4.0a2
Serhiy Storchaka added the comment: hg update -C default -- nosy: +serhiy.storchaka ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18992 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18996] unittest: more helpful truncating long strings
New submission from Serhiy Storchaka: Error message in assertEqual() is not vary useful when compared long strings with long common prefix. It looks as: 'For the first time in his life h [truncated]...' != 'For the first time in his life h [truncated]...' With the proposed patch it will look as: 'For [25 chars]e he seemed to be vividly aware of his own existence.' != 'For [25 chars]e he felt humble. He perceived how misgui[105 chars]ers.' New algorithm splits strings on common prefix and differing suffixes, shortens every part if it is too long, and concatenates them back. So user always see the start and the end of string, and the place of first difference with some characters before and after. -- components: Tests files: assertEqual_shorten.patch keywords: patch messages: 197433 nosy: ezio.melotti, michael.foord, pitrou, serhiy.storchaka priority: normal severity: normal stage: patch review status: open title: unittest: more helpful truncating long strings type: enhancement versions: Python 3.4 Added file: http://bugs.python.org/file31712/assertEqual_shorten.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18996 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18986] Add a case-insensitive case-preserving dict
Antoine Pitrou added the comment: I'm uploading a pure Python transformdict implementation + tests, for Serhiy's benefits (and others') :-) -- keywords: +patch Added file: http://bugs.python.org/file31713/transform.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18986 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue16564] email.generator.BytesGenerator fails with bytes payload
Alexander Kruppa added the comment:
It seems to me that this issue is not fixed correctly yet. I've tried Python
3.3.2:
~/build/Python-3.3.2$ ./python --version
Python 3.3.2
When modifying the test case in Lib/test/test_email/test_email.py like this:
--- Lib/test/test_email/test_email.py 2013-05-15 18:32:55.0 +0200
+++ Lib/test/test_email/test_email_mine.py 2013-09-10 14:22:08.160089440
+0200
@@ -1461,17 +1461,17 @@
# Issue 16564: This does not produce an RFC valid message, since to be
# valid it should have a CTE of binary. But the below works in
# Python2, and is documented as working this way.
-bytesdata = b'\xfa\xfb\xfc\xfd\xfe\xff'
+bytesdata = b'\x0b\xfa\xfb\xfc\xfd\xfe\xff'
msg = MIMEApplication(bytesdata, _encoder=encoders.encode_noop)
# Treated as a string, this will be invalid code points.
-self.assertEqual(msg.get_payload(), '\uFFFD' * len(bytesdata))
+# self.assertEqual(msg.get_payload(), '\uFFFD' * len(bytesdata))
self.assertEqual(msg.get_payload(decode=True), bytesdata)
s = BytesIO()
g = BytesGenerator(s)
g.flatten(msg)
wireform = s.getvalue()
msg2 = email.message_from_bytes(wireform)
-self.assertEqual(msg.get_payload(), '\uFFFD' * len(bytesdata))
+# self.assertEqual(msg.get_payload(), '\uFFFD' * len(bytesdata))
self.assertEqual(msg2.get_payload(decode=True), bytesdata)
then running:
./python ./Tools/scripts/run_tests.py test_email
results in:
==
FAIL: test_binary_body_with_encode_noop (test_email_mine.TestMIMEApplication)
--
Traceback (most recent call last):
File
/localdisk/kruppaal/build/Python-3.3.2/Lib/test/test_email/test_email_mine.py,
line 1475, in test_binary_body_with_encode_noop
self.assertEqual(msg2.get_payload(decode=True), bytesdata)
AssertionError: b'\x0b\n\xfa\xfb\xfc\xfd\xfe\xff' !=
b'\x0b\xfa\xfb\xfc\xfd\xfe\xff'
The '\x0b' byte is incorrectly translated to '\x0b\n', i.e., a New Line
character is inserted.
Encoding the bytes array:
bytes(range(256))
results output data (MIME Header stripped):
000: 0001 0203 0405 0607 0809 0a0b 0a0c 0a0a
010: 0e0f 1011 1213 1415 1617 1819 1a1b 1c0a
020: 1d0a 1e0a 1f20 2122 2324 2526 2728 292a . !#$%'()*
030: 2b2c 2d2e 2f30 3132 3334 3536 3738 393a +,-./0123456789:
040: 3b3c 3d3e 3f40 4142 4344 4546 4748 494a ;=?@ABCDEFGHIJ
050: 4b4c 4d4e 4f50 5152 5354 5556 5758 595a KLMNOPQRSTUVWXYZ
060: 5b5c 5d5e 5f60 6162 6364 6566 6768 696a [\]^_`abcdefghij
070: 6b6c 6d6e 6f70 7172 7374 7576 7778 797a klmnopqrstuvwxyz
080: 7b7c 7d7e 7f80 8182 8384 8586 8788 898a {|}~
090: 8b8c 8d8e 8f90 9192 9394 9596 9798 999a
0a0: 9b9c 9d9e 9fa0 a1a2 a3a4 a5a6 a7a8 a9aa
0b0: abac adae afb0 b1b2 b3b4 b5b6 b7b8 b9ba
0c0: bbbc bdbe bfc0 c1c2 c3c4 c5c6 c7c8 c9ca
0d0: cbcc cdce cfd0 d1d2 d3d4 d5d6 d7d8 d9da
0e0: dbdc ddde dfe0 e1e2 e3e4 e5e6 e7e8 e9ea
0f0: ebec edee eff0 f1f2 f3f4 f5f6 f7f8 f9fa
100: fbfc fdfe ff .
That is, a '\n' is inserted after '\x0b', '\x1c', '\x1d', and '\x1e',
and '\x0d' is replaced by '\n\n'.
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[issue4636] bdist_wininst installer with install script raises exception
Dan Nicholson added the comment: It turns out this is pretty easy to fix by just changing the stub to import builtins or __builtin__ depending on the python install version. Attached are patches that fix this for both the default and 2.7 branches. My test case is a pure python module with an install script. I've rebuilt the wininst stub for both default (3.3) with VS2010 Express and 2.7 with VS2008 Express. I then built installers and ran them in both directions: installer created with python-2.7 and installed into python-3.3, and an installer created with python-3.3 and installed into python-2.7. Both worked fine with no warnings. I've attached the stubs I built in case they're helpful. wininst-10.0-compat.exe is the 32 bit stub for default/3.3. wininst-9.0-compat-2.7.exe is the 32 bit stub for 2.7. -- keywords: +patch nosy: +dbn Added file: http://bugs.python.org/file31714/wininst-compat.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue4636 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue4636] bdist_wininst installer with install script raises exception
Changes by Dan Nicholson dbn.li...@gmail.com: Added file: http://bugs.python.org/file31716/wininst-10.0-compat.exe ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue4636 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue4636] bdist_wininst installer with install script raises exception
Changes by Dan Nicholson dbn.li...@gmail.com: Added file: http://bugs.python.org/file31715/wininst-compat-2.7.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue4636 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue4636] bdist_wininst installer with install script raises exception
Changes by Dan Nicholson dbn.li...@gmail.com: Added file: http://bugs.python.org/file31717/wininst-9.0-compat-2.7.exe ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue4636 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18281] tarfile defines stat constants
Eli Bendersky added the comment: lgtm. kill 'em -- nosy: +eli.bendersky ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18281 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue17797] Visual C++ 11.0 reports fileno(stdin) == 0 for non-console program
Daniel added the comment: After contacting Microsoft they answered that they cannot fix that within the VS2012 or VS2013 cycle. Very bad. Any ideas? -- nosy: +m_python ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue17797 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue11598] missing afxres.h error when building bdist_wininst in Visual Studio 2008 Express
Dan Nicholson added the comment: Like the previous users, I've only got VS Express, so I can't tell exactly what happens when you have VS Pro and it generates the install.rc file. However, I might as well post this fuller patch, which I think would do the right thing since it also fixes the part where the regeneration of the '#include afxres.h' would happen. I've used this in the installer for both 3.3 and 2.7 and not seen any adverse effects. -- keywords: +patch nosy: +dbn Added file: http://bugs.python.org/file31718/wininst-no-afxres.h.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue11598 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18997] Crash when using pickle and ElementTree
New submission from Germán M. Bravo:
On the tip of 3.3, I've found `Element.__getstate__` doesn't work and neither
as `pickle.dumps(Element)` under certain circumstances.
This crashes:
e1 = ElementTree().parse('houses.xml')
e1.__getstate__()
This doesn't crash:
e2 = ElementTree().parse('houses.xml')
e2.text = 'some'
e2.__getstate__()
But still, both of these crash:
pickle.dumps(e1)
pickle.dumps(e2)
--
components: Extension Modules
files: houses.xml
messages: 197440
nosy: Kronuz, eli.bendersky, scoder
priority: normal
severity: normal
status: open
title: Crash when using pickle and ElementTree
versions: Python 3.3
Added file: http://bugs.python.org/file31719/houses.xml
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[issue4636] bdist_wininst installer with install script raises exception
Éric Araujo added the comment: I think the exe files are specific to one Python version, so the version check would not be necessary. I may be wrong though, as I’m not a windows dev or user, so I’m adding Mark to this issue. -- nosy: +mhammond ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue4636 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18998] iter() not working in ElementTree
New submission from Germán M. Bravo:
The added iter/itertext methods in Element are not working under certain
circumstances (crashes):
This crashes:
e = ElementTree().parse('/Users/kronuz/Desktop/tests/houses.xml')
e.iter()
But the problem is not there if I use bootstrapped iterators instead (from the
previous commit to the one introducing Element iterator)
--
components: Extension Modules
files: houses.xml
messages: 197441
nosy: Kronuz, eli.bendersky, scoder
priority: normal
severity: normal
status: open
title: iter() not working in ElementTree
type: crash
versions: Python 3.3
Added file: http://bugs.python.org/file31720/houses.xml
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[issue18986] Add a case-insensitive case-preserving dict
Richard Oudkerk added the comment:
With the current patch __repr__() will fail if the untransformed key is
unhashable:
d = collections.transformdict(id)
L = [1,2,3]
d[L] = None
d.keys()
Traceback (most recent call last):
File stdin, line 1, in module
File C:\Repos\cpython-dirty\lib\collections\abc.py, line 444, in __repr__
return '{0.__class__.__name__}({0._mapping!r})'.format(self)
File C:\Repos\cpython-dirty\lib\collections\__init__.py, line 944, in
__repr__
self._transform, repr(dict(self)))
TypeError: unhashable type: 'list'
--
nosy: +sbt
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[issue18999] Robustness issues in multiprocessing.{get, set}_start_method
Changes by Lars Buitinck larsm...@gmail.com:
--
title: Allow multiple calls to multiprocessing.set_start_method - Robustness
issues in multiprocessing.{get,set}_start_method
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[issue18999] Robustness issues in multiprocessing.{get, set}_start_method
Olivier Grisel added the comment: Related question: is there any good reason that would prevent to pass a custom `start_method` kwarg to the `Pool` constructor to make it use an alternative `Popen` instance (that is an instance different from the `multiprocessing._Popen` singleton)? This would allow libraries such as joblib to keep minimal side effect by try to impact the default multiprocessing runtime as low as possible. -- nosy: +Olivier.Grisel ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18999 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18999] Allow multiple calls to multiprocessing.set_start_method
New submission from Lars Buitinck:
The new multiprocessing based on forkserver (issue8713) looks great, but it has
two problems. The first:
set_start_method() should not be used more than once in the program.
The documentation does not explain what the effect of calling it twice would
be. Judging from the documentation, it should be possible to do
start_method = get_start_method()
if start_method is None:
set_start_method('forkserver')
but this code shows the second problem: it always succeeds with the
(undocumented!) side-effect of setting the start method in get_start_method, to
the system default, if it hasn't been set already.
I was just going to forge a patch for joblib (http://pythonhosted.org/joblib/)
to set the start method to forkserver at import time. But in the current state
of affairs, it would be impossible for the user to safely override the start
method before importing joblib, because joblib can't figure out if it's been
set already without setting it.
The enclosed patch solves the problem by making the new functions more robust:
* get_start_method no longer sets anything, but returns None if the start
method has not been set already;
* set_start_method raises a RuntimeError (for want of a better exception type)
when resetting the start method is attempted.
Unfortunately, I had to hack up the tests a bit, because they were violating
the set_start_method contract. There is a test for the new set_start_method
behavior, though, and all {fork,forkserver,spawn} tests pass on Linux.
--
components: Library (Lib)
files: mp_getset_start_method.patch
keywords: patch
messages: 197444
nosy: larsmans
priority: normal
severity: normal
status: open
title: Allow multiple calls to multiprocessing.set_start_method
type: behavior
versions: Python 3.4
Added file: http://bugs.python.org/file31721/mp_getset_start_method.patch
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[issue18999] Allow multiple calls to multiprocessing.set_start_method
Changes by Lars Buitinck l.j.buiti...@uva.nl: -- nosy: +sbt ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18999 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18986] Add a case-insensitive case-preserving dict
Antoine Pitrou added the comment: With the current patch __repr__() will fail if the untransformed key is unhashable: Yeah, the __repr__() implementation will be a bit annoying to get right :-) -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18986 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue19000] Alt + Num Does Not Work in IDLE.
New submission from Howitzer21: While Num Lock is in use, if I hold Alt, type 234, then release Alt, Ω is supposed to be printed (and it is printed in most other programs). If I try to do this in IDLE, however, IDLE will toggle its maximization along the y-axis and move the cursor to the beginning of the line, without printing anything. -- components: IDLE messages: 197448 nosy: Howitzer21 priority: normal severity: normal status: open title: Alt + Num Does Not Work in IDLE. type: behavior versions: Python 3.3 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue19000 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue19000] Alt + Num Does Not Work in IDLE.
Howitzer21 added the comment: Sorry, it may be a UTF-8 issue. I would delete this, but I don't see a way to do so. -- status: open - closed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue19000 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18998] iter() not working in ElementTree
irakli added the comment: Can you clearify under which circumstances python 3.3 crashes? -- nosy: +iraklid94 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18998 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18999] Robustness issues in multiprocessing.{get, set}_start_method
Richard Oudkerk added the comment: With your patch, I think if you call get_start_method() without later calling set_start_method() then the helper process(es) will never be started. With the current code, popen.Popen() automatically starts the helper processes if they have not already been started. Also, set_start_method() can have the side-effect of starting helper process(es). I do not really approve of new processes being started as a side-effect of importing a library. But it is reasonable for a library to want a specific start method unless the user demands otherwise. I will have to think this over. BTW, the reason for discouraging using set_start_method() more than once is because some shared resources are created differently depending on what the current start method is. For instance using the fork method semaphores are created and then immediately unlinked. But with the other start methods we must not unlink the semaphore until we are finished with it (while being paranoid about cleanup). Maybe it would be better to have separate contexts for each start method. That way joblib could use the forkserver context without interfering with the rest of the user's program. from multiprocessing import forkserver_context as mp l = mp.Lock() p = mp.Process(...) with mp.Pool() as pool: ... -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18999 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18997] Crash when using pickle and ElementTree
Germán M. Bravo added the comment: The attached patch fixes the problem (there were some missing JOIN_OBJ()) -- keywords: +patch Added file: http://bugs.python.org/file31723/join_obj.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18997 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18999] Robustness issues in multiprocessing.{get, set}_start_method
Changes by Lars Buitinck larsm...@gmail.com: Removed file: http://bugs.python.org/file31721/mp_getset_start_method.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18999 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18999] Robustness issues in multiprocessing.{get, set}_start_method
Lars Buitinck added the comment: Cleaned up the patch. -- Added file: http://bugs.python.org/file31722/mp_getset_start_method.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18999 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18998] iter() not working in ElementTree
Germán M. Bravo added the comment: It crashes when I run that code snippet I posted (using the attached xml file) The problem was introduced by the commit that added iterator support. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18998 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18992] test_sax fails on Windows under 3.4.0a2
Tim Peters added the comment: Serhiy, did you test hg update -C default? Didn't work for me :-( Martin, I don't know an easy way. eol fiddling in Hg seems brittle :-( I suppose you could get a fresh clone and then _compare_ the checked-out files to your old clone. Then, from the old clone, delete the files that don't match. Then hg revert -a in the old clone. Then check again. If they all match, throw away the new clone. But, no, that's not really easy ;-) -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18992 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18996] unittest: more helpful truncating long strings
Changes by Serhiy Storchaka storch...@gmail.com: Removed file: http://bugs.python.org/file31712/assertEqual_shorten.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18996 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18997] Crash when using pickle and ElementTree
Changes by Germán M. Bravo german...@gmail.com: Removed file: http://bugs.python.org/file31723/join_obj.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18997 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18997] Crash when using pickle and ElementTree
Changes by Germán M. Bravo german...@gmail.com: Added file: http://bugs.python.org/file31725/join_obj.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18997 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18992] test_sax fails on Windows under 3.4.0a2
Tim Peters added the comment: OK, hg up -C _can_ work, but it appears to require that hg stat shows that the files with the bad line endings are modified (M). That may or may not be the case, depending on lots of things. Martin, can you verify that (for example) test.xml.out does have \r\n line ends in your tree? Maybe it doesn't, and the problem really lies elsewhere (unsure - some step in building the .msi, or maybe even the .msi changes line ends during installation - don't know). I think bad line endings in the tree are most likely, though, since test_sax was failing in the same way for (at least) me and Terry Reddy when building our own Pythons on Windows, before changing .hgeol. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18992 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18992] test_sax fails on Windows under 3.4.0a2
Tim Peters added the comment: BTW, the reason I wonder whether you don't have bad line ends in your tree is this: if you did, test_sax would have been failing for you too. I assume you run the test suite before building the installer ;-) -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18992 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18998] iter() not working in ElementTree
Eli Bendersky added the comment:
I'm having trouble reproducing the problem, Germán. Running with Python 3.3.2
from a couple of days ago:
Python 3.3.2+ (3.3:0eef1670f316, Sep 8 2013, 08:31:59)
[GCC 4.6.3] on linux
Type help, copyright, credits or license for more information.
from xml.etree.ElementTree import *
e = ElementTree().parse('houses.xml')
e.iter()
_elementtree._element_iterator object at 0x7fac621d9aa0
list(e.iter())
[Element '{http://dogs.house.local}group' at 0x7fac621e02b8, Element
'{http://dogs.house.local}house' at 0x7fac621e0368, Element
'{http://dogs.house.local}id' at 0x7fac621e0418, Element
'{http://dogs.house.local}dogs' at 0x7fac621e0470, Element
'{http://dogs.house.local}house' at 0x7fac621e04c8, Element
'{http://dogs.house.local}id' at 0x7fac621e0520, Element
'{http://dogs.house.local}dogs' at 0x7fac621e0578]
Can you provide a patch for the ET tests that I can apply to tip of 3.3 and see
this reproduced?
--
assignee: - eli.bendersky
stage: - test needed
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[issue18997] Crash when using pickle and ElementTree
Eli Bendersky added the comment: Thanks for this report, Germán (and the other issue as well). I'll do my best to take a look later this week. -- assignee: - eli.bendersky stage: - patch review type: - behavior versions: +Python 3.4 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18997 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18986] Add a case-insensitive case-preserving dict
Éric Araujo added the comment: FTR this is one message from the previous thread about this: https://mail.python.org/pipermail/python-ideas/2010-June/007332.html -- nosy: +eric.araujo ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18986 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18962] Add special case for single iterator in heapq.merge function
Wouter Bolsterlee added the comment: Thanks Raymond, that is exactly what I had in mind (see my previous comment). Here's a slightly cleaned up version of the patch (stylistic/PEP8 cleanups), with some benchmarks included below. In case the two longest iterators have about the same size, no performance difference can be measured: $ ./python -m timeit -s 'from heapq import merge' 'for x in merge([], [], [1], range(100), range(100)): pass' Without patch: 1 loops, best of 3: 71.2 usec per loop 1 loops, best of 3: 71.9 usec per loop 1 loops, best of 3: 71.7 usec per loop With patch: 1 loops, best of 3: 71.4 usec per loop 1 loops, best of 3: 76.7 usec per loop 1 loops, best of 3: 72.1 usec per loop As expected, the performance gain is very significant in case one of the iterators is much longer than the others: $ python -m timeit -n 100 -s 'from heapq import merge' 'for x in merge([], [], [1], range(100), range(10)): pass' Without path: 100 loops, best of 3: 27.8 msec per loop 100 loops, best of 3: 26.9 msec per loop 100 loops, best of 3: 27.7 msec per loop With patch: 100 loops, best of 3: 6.26 msec per loop 100 loops, best of 3: 6.28 msec per loop 100 loops, best of 3: 6.03 msec per loop -- Added file: http://bugs.python.org/file31726/merge3.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18962 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18992] test_sax fails on Windows under 3.4.0a2
Martin v. Löwis added the comment: It turns out that TortoiseHg was showing the files as modified. I have now reverted my local changes, so this should be fine now. I was somewhat under time pressure when making the release, so I didn't notice then (and TortoiseHg seems to needs some time also to detect modifications and reversals). And no, I don't run the test suite when making a release. If a test was failing, I would have to research what the problem is (or ignore the failure), which could easily delay the release by several days. I only verify that IDLE starts and the help file opens. Thanks for your investigation. -- resolution: - fixed status: open - closed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18992 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue4832] IDLE does not supply a default ext of .py on Windows or OS X for new file saves
Terry J. Reedy added the comment: With PEP 434, this can and I think should be backported. I should have done it for 2.7.5 and will try to do soon. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue4832 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue19001] test_gdb fails on Fedora buildbot
New submission from Antoine Pitrou: This is on Stefan's Fedora without threads buildbot, and it's the sets pretty-printing tests which fail: http://buildbot.python.org/all/builders/AMD64%20Fedora%20without%20threads%203.x/builds/5119 -- components: Demos and Tools, Interpreter Core messages: 197463 nosy: ncoghlan, pitrou, rhettinger, skrah priority: normal severity: normal stage: needs patch status: open title: test_gdb fails on Fedora buildbot type: behavior versions: Python 3.4 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue19001 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18986] Add a case-insensitive case-preserving dict
Antoine Pitrou added the comment: Updated patch: fixes repr(), and retains the first key not the last. -- Added file: http://bugs.python.org/file31727/transformdict.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18986 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue16564] email.generator.BytesGenerator fails with bytes payload
R. David Murray added the comment: That's a different bug, and is probably due to the fact that \x0b is considered a line-ending character by the 'splitlines' method. Could you please open a new issue for this? It could be that this can't be fixed in Python3 until support for the 'binary' CTE is added. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue16564 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18992] test_sax fails on Windows under 3.4.0a2
Tim Peters added the comment: No problems, Martin - thanks for following up on this! :-) -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18992 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue17477] update the bsddb module do build with db 5.x versions
Changes by Arfrever Frehtes Taifersar Arahesis arfrever@gmail.com: -- nosy: +Arfrever ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue17477 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18986] Add a case-insensitive case-preserving dict
Changes by Arfrever Frehtes Taifersar Arahesis arfrever@gmail.com: -- nosy: +Arfrever ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18986 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18987] distutils.utils.get_platform() for 32-bit Python on a 64-bit machine
Changes by Arfrever Frehtes Taifersar Arahesis arfrever@gmail.com: -- nosy: +Arfrever ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18987 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18997] Crash when using pickle and ElementTree
Changes by Arfrever Frehtes Taifersar Arahesis arfrever@gmail.com: -- nosy: +Arfrever ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18997 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18936] 2.7 distutils getopt chokes on unicode option names
Changes by Arfrever Frehtes Taifersar Arahesis arfrever@gmail.com: -- nosy: +Arfrever ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18936 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18734] Berkeley DB versions 4.4-4.9 are not discovered by setup.py
Changes by Arfrever Frehtes Taifersar Arahesis arfrever@gmail.com: -- nosy: +Arfrever ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18734 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18996] unittest: more helpful truncating long strings
Changes by Serhiy Storchaka storch...@gmail.com: Added file: http://bugs.python.org/file31724/assertEqual_shorten.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18996 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18999] Robustness issues in multiprocessing.{get, set}_start_method
Lars Buitinck added the comment: In my patched version, the private popen.get_start_method gets a kwarg set_if_needed=True. popen.Popen calls that as before, so its behavior should not change, while the public get_start_method sets the kwarg to False. I realise now that this has the side effect that get_start_method's output changes when multiprocessing has first been used, but then that reflects how the library works. Maybe this should be documented. As for the contexts, those would be great. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18999 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue10977] Concrete object C API considered harmful to subclasses of builtin types
Changes by Arfrever Frehtes Taifersar Arahesis arfrever@gmail.com: -- nosy: +Arfrever ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue10977 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18999] Robustness issues in multiprocessing.{get, set}_start_method
Richard Oudkerk added the comment: In my patched version, the private popen.get_start_method gets a kwarg set_if_needed=True. popen.Popen calls that as before, so its behavior should not change, while the public get_start_method sets the kwarg to False. My mistake. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18999 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue18986] Add a case-insensitive case-preserving dict
Raymond Hettinger added the comment: I would *really* like for this to start outside the standard library. It needs to mature with user feedback before being dumped in the collections module (which was never intended to be a giant pile of every collection a person could think of). Adding yet more dictionary variants is an example of way-too-many-ways-to-do-it. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue18986 ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
