[issue18595] zipfile: symlinks etc.

New submission from Ronald Oussoren: The zipfile format (as described by .zip file format specification) allows for storing extra unix data, such as symlinks and device nodes in zipfile. Storing at least symlinks would be useful, and is supported by the infozip tools as well (the command-line

[issue18570] OverflowError in division: wrong message

Mark Dickinson added the comment: > I think we might be better with two consistently behaving float classes That sounds a bit extreme. Personally, I'd look for a solution involving only one float class and a "with float.nonstopmode: ..." setting under which we get infinities and nans as presc

[issue18596] enable usage of AddressSanitizer in CPython [PATCH]

New submission from halfie: Hi, When trying to build CPython "tip" with AddressSanitizer enabled, I get the following crash, make Parser/pgen make[1]: Entering directory `/scratch/repos/cpython' make[1]: `Parser/pgen' is up to date. make[1]: Leaving directory `/scratch/repos/cpython' Parser/pg

[issue18597] On Windows sys.stdin.readline() doesn't handle Ctrl-C properly

New submission from Drekin: When I run sys.stdin.readline() interactivelly (on Windows and Python 3.3.2) and hit Ctrl-C, sometimes it returns an empty string just before KeyboardInterrupt is raised. Sometimes it isn't even raised and instead after hitting Return some weird SyntaxtError: unknow

[issue18597] On Windows sys.stdin.readline() doesn't handle Ctrl-C properly

Tim Golden added the comment: The Ctrl-C handling in Python on Windows is a bit strange in places. I'll add this to my list of things to look at. If you'd care to walk through the code to produce a patch or at least to point to suspect code, that would make it more likely that it be fixed. --

[issue18585] Add a text truncation function

Antoine Pitrou added the comment: Oops, sorry, I was mistaken. There is no bug actually here: >>> textwrap.summarize('hello world!', width=10) '(...)' 'hello (...)' cannot be the right answer since its len() is 11, greater than 10. -- ___ Pytho

[issue18585] Add a text truncation function

Antoine Pitrou added the comment: Updated patch to not add any space before the placeholder, with " (...)" as default placeholder value. -- Added file: http://bugs.python.org/file31084/summarize2.patch ___ Python tracker

[issue18594] C accelerator for collections.Counter is slow

Changes by Antoine Pitrou : -- nosy: +rhettinger priority: normal -> high ___ Python tracker ___ ___ Python-bugs-list mailing list Uns

[issue18598] Importlib, more verbosity please

New submission from Lukáš Němec: Hello, recently I filed this bugreport to Django, but they clarified this by pointing me to commits for new version of Django that uses python builtin importlib (import_module) But since most of their import_module code is done like [import_module(x) for y if

[issue6643] Throw away more radioactive locks that could be held across a fork in threading.py

Maciej Bliziński added the comment: Python version: 2.7.5 OS: Solaris 9 I'm still observing this issue (or Issue5114) on Solaris 9. The symptom is that test_threading hangs indefinitely (tested: overnight) and running pstack on the process, I'm seeing: - lwp# 1 / thread# 1 -

[issue8713] multiprocessing needs option to eschew fork() under Linux

Richard Oudkerk added the comment: The spawn branch is in decent shape, although the documentation is not up-to-date. I would like to commit before the first alpha. -- ___ Python tracker __

[issue18598] Importlib, more verbosity please

Brett Cannon added the comment: It could be changed to something like "the 'package' argument is required to perform a relative import for {!r}".format(name) . Would that have made it more clear? -- assignee: -> brett.cannon nosy: +brett.cannon priority: normal -> low stage: -> needs

[issue18598] Importlib, more verbosity please

Lukáš Němec added the comment: Yes, absolutely, that is what was I needed to debug it easily, the name parameter Thank you :) -- ___ Python tracker ___

[issue18598] Importlib, more verbosity please

Lukáš Němec added the comment: Also, please do not forget on backports for python 2.6+ :) -- ___ Python tracker ___ ___ Python-bugs-li

[issue18594] C accelerator for collections.Counter is slow

Serhiy Storchaka added the comment: Are there any cases where the counter class with the C accelerator is faster than the pure Python version? Here is a benchmarking script (modification of Roy Smith's script [1]) and looks as the pure Python version is faster even for data that has not many u

[issue18594] C accelerator for collections.Counter is slow

Eli Bendersky added the comment: That sounds like a good idea, Stefan. -- nosy: +eli.bendersky ___ Python tracker ___ ___ Python-bugs-

[issue18599] _sha1module report "SHA" as its name

New submission from Christian Heimes: I found the issue while I was working on unit tests. It looks like a honest mistake ... :) PyUnicode_FromStringAndSize("SHA1", 3); -- files: sha1name.patch keywords: patch messages: 193930 nosy: christian.heimes, gregory.p.smith, pitrou priority: n

[issue9035] os.path.ismount on windows doesn't support windows mount points

Tim Golden added the comment: I put a bit of work in on this this morning, following Mark's suggestion (msg138197) since that's the "canonical" approach. Unfortunately, it completely fails to work for the most common case: the root folder of a drive! The documentation for FindFirstFile explici

[issue18593] Typo in Lib/multiprocessing/heap.py

Roundup Robot added the comment: New changeset 634d6307730d by Eli Bendersky in branch '3.3': Issue #18593: fix typo in comment http://hg.python.org/cpython/rev/634d6307730d New changeset b805bace07c5 by Eli Bendersky in branch 'default': Issue #18593: fix typo in comment http://hg.python.org/cp

[issue18593] Typo in Lib/multiprocessing/heap.py

Changes by Eli Bendersky : -- resolution: -> fixed stage: -> committed/rejected status: open -> closed versions: +Python 3.3 ___ Python tracker ___

[issue18596] enable usage of AddressSanitizer in CPython [PATCH]

Changes by Antoine Pitrou : -- nosy: +christian.heimes, haypo stage: -> patch review type: crash -> enhancement ___ Python tracker ___ __

[issue18598] Importlib, more verbosity please

Brett Cannon added the comment: Sorry, I can't backport this change as it's not a bugfix but an enhancement and it could break someone's code who relies on the specific format of the exception message. -- ___ Python tracker

[issue18599] _sha1module report "SHA" as its name

Roundup Robot added the comment: New changeset c34c018a8390 by Christian Heimes in branch '3.3': Issue #18599: Fix name attribute of _sha1.sha1() object. It now returns http://hg.python.org/cpython/rev/c34c018a8390 New changeset 5fbf23e947d8 by Christian Heimes in branch 'default': Issue #18599:

[issue18599] _sha1module report "SHA" as its name

Changes by Christian Heimes : -- resolution: -> fixed stage: needs patch -> committed/rejected status: open -> closed ___ Python tracker ___

[issue18596] enable usage of AddressSanitizer in CPython [PATCH]

halfie added the comment: This patch should only be applied if we are sure that the allocator is fine and doing such things by design. -- type: enhancement -> crash ___ Python tracker _

[issue18596] enable usage of AddressSanitizer in CPython [PATCH]

Changes by Christian Heimes : -- type: crash -> enhancement ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: htt

[issue18597] On Windows sys.stdin.readline() doesn't handle Ctrl-C properly

Drekin added the comment: I haven't experience with Python C code but I tried to find some clues in the code. First for input(): it call PyOS_Readline which may call PyOS_StdioReadline > my_fgets > fgets in Parser/myreadline.c. There is Windows related comment on line 56: “Ctrl-C anywhere on

[issue18600] email.policy doc example passes 'policy' to as_string, but that doesn't work

New submission from R. David Murray: When I wrote those docs I intended to add a policy argument to as_string, but did not do it by the time 3.3 was released. The docs for 3.3 need to be corrected, and I need to decide if I do want to add that keyword to as_string in 3.4 (the answer is probab

[issue18597] On Windows sys.stdin.readline() doesn't handle Ctrl-C properly

Tim Golden added the comment: Thanks for doing the investigation. Yes, that comment was added by me as part of the fix for issue1677. I'll try to have a look at the codepath you describe to see if we can add a similar workaround. The Ctrl-C / SIGINT handling on Windows is less than ideal, I admit

[issue9035] os.path.ismount on windows doesn't support windows mount points

Tim Golden added the comment: issue9035.2.patch is an updated version of Atsuo's patch. Known issues: * I haven't reworked it for the new memory-management API * There's no test for a non-root mount point (which is really the basis for this issue). It's difficult to see how to do that in a ro

[issue18369] X509 cert class for ssl module

Derek Wilson added the comment: actually, i suppose rather than change a bunch of existing functions/methods to handle X509 certs it would make more sense to add new methods to the X509 cert class (like match_hostname) so that old stuff doesn't break. -- __

[issue18570] OverflowError in division: wrong message

Terry J. Reedy added the comment: I would prefer one type too, if it can be done gracefully enough. I had thought of a set-mode function (method), but anticipate objection to such modal action-at-distance behavior. A context manager, which I had not thought of, somewhat alleviates that objecti

[issue18112] PEP 442 implementation

Roundup Robot added the comment: New changeset 3f994367a979 by Antoine Pitrou in branch 'default': Issue #18112: PEP 442 implementation (safe object finalization). http://hg.python.org/cpython/rev/3f994367a979 -- nosy: +python-dev ___ Python tracker

[issue18112] PEP 442 implementation

Antoine Pitrou added the comment: Committed with a couple further doc changes! -- resolution: -> fixed stage: patch review -> committed/rejected status: open -> closed ___ Python tracker __

[issue18533] Avoid error from repr() of recursive dictview

Changes by Ben North : Added file: http://bugs.python.org/file31089/against-9bf89c909bd4-3.3-1.patch ___ Python tracker ___ ___ Python-bugs-li

[issue18533] Avoid error from repr() of recursive dictview

Ben North added the comment: I'll attach fresh patches, one against latest 2.7 and one against latest 3.3 (unchanged apart from headers from previous patch). Both branches pass ./python -m test.regrtest -R20:30 test_dictviews -- ___ Python track

[issue18533] Avoid error from repr() of recursive dictview

Changes by Ben North : Added file: http://bugs.python.org/file31088/against-6e1dd1ce95b8-2.7-1.patch ___ Python tracker ___ ___ Python-bugs-li

[issue18214] Stop purging modules which are garbage collected before shutdown

Antoine Pitrou added the comment: Now that PEP 442 is committed, here is the patch. -- Added file: http://bugs.python.org/file31090/module_cleanup.patch ___ Python tracker ___ __

[issue18214] Stop purging modules which are garbage collected before shutdown

Changes by Antoine Pitrou : -- components: +Interpreter Core nosy: +amaury.forgeotdarc, gregory.p.smith stage: -> patch review type: -> enhancement ___ Python tracker ___ _

[issue812369] module shutdown procedure based on GC

Antoine Pitrou added the comment: Superceded by patch in issue 18214. -- resolution: -> duplicate status: open -> closed superseder: -> module shutdown procedure based on GC ___ Python tracker __

[issue18584] examples in email.policy doc are fu'd

Roundup Robot added the comment: New changeset 7b86be4e822c by R David Murray in branch '3.3': #18584: s/testcleanup/testsetup/ until we switch to Sphinx 1.1. http://hg.python.org/cpython/rev/7b86be4e822c New changeset 1901a04a3b4a by R David Murray in branch 'default': Merge #18584: s/testclean

[issue18601] Example "command-line interface to difflib" has typographical error

New submission from Stephen Paul Chappell: The example at the bottom is good but has a line with a bad variable it is name. It says: with open(fromlines) as fromf, open(tofile) as tof: fromlines, tolines = list(fromf), list(tof) In the first line, fromlines does no even exist yet.

[issue18601] Example "command-line interface to difflib" has typographical error

Roundup Robot added the comment: New changeset 0e1f0faacb0d by R David Murray in branch '3.3': #18601: fix error made when difflib example was converted to use 'with'. http://hg.python.org/cpython/rev/0e1f0faacb0d New changeset c4f377d710da by R David Murray in branch 'default': Merge: #18601: f

[issue18601] Example "command-line interface to difflib" has typographical error

R. David Murray added the comment: Thanks for the report. Actually that first 'fromlines' should be 'fromfile'. Looks like someone made a typo when converting the example to use the 'with' statement. -- nosy: +r.david.murray resolution: -> fixed stage: -> committed/rejected status:

[issue16273] f.tell() returning negative number on Windows build

Roundup Robot added the comment: New changeset 81bc2d64c006 by R David Murray in branch '3.3': #16273: Fix tutorial discussion of seek/tell (opaque text-mode values). http://hg.python.org/cpython/rev/81bc2d64c006 New changeset c7d9a2159c6c by R David Murray in branch 'default': Merge: #16273: Fi

[issue16273] f.tell() returning negative number on Windows build

R. David Murray added the comment: Committed the doc patch. Thanks Sijin. -- nosy: +r.david.murray stage: patch review -> committed/rejected status: open -> closed ___ Python tracker __

[issue18602] "_io" module names itself "io"

New submission from Antoine Pitrou: In Modules/_io/_iomodule.c, the name field of the module struct is initialized to "io" rather than "_io". The change should intuitively be harmless, but perhaps there's a reason why it is like that? -- components: Library (Lib) messages: 193953 nosy:

[issue18602] "_io" module names itself "io"

Changes by Antoine Pitrou : -- nosy: +amaury.forgeotdarc, benjamin.peterson ___ Python tracker ___ ___ Python-bugs-list mailing list U

[issue16355] inspect.getcomments() does not work in the interactive shell

R. David Murray added the comment: The patch looks good, but I would prefer that the test not use mock+knowledge of how get_comment is implemented, but instead test the public API by actually creating a module and deleting the source file. test.script_helpers can be used to do this easily. -

[issue15494] Move test/support.py into a test.support subpackage

Roundup Robot added the comment: New changeset e6f2f3eda290 by Ned Deily in branch '3.3': Issue #15494: Install new test/support directory. http://hg.python.org/cpython/rev/e6f2f3eda290 New changeset 4df2e094f83e by Ned Deily in branch 'default': Issue #15494: merge from 3.3 http://hg.python.org

[issue18214] Stop purging modules which are garbage collected before shutdown

Antoine Pitrou added the comment: Slightly better patch. Also, as I pointed out in python-dev (http://mail.python.org/pipermail/python-dev/2013-July/127673.html), this is still imperfect due to various ways modules can be kept alive from long-lived C variables. -- Added file: http://

[issue9035] os.path.ismount on windows doesn't support windows mount points

Tim Golden added the comment: issue9035.3.patch has switched to the new memory management API and has tweaked the tests slightly for robustness. This approach does introduce a behavioural change: the root of a SUBSTed drive (essentially a symlink into the Dos namespace) will raise an OSError

[issue9253] argparse: optional subparsers

paul j3 added the comment: "msg113512 - (view) Author: Steven Bethard (bethard) Seems like there's minimally the bug that argparse should currently throw an error if you add an argument after subparsers (since that argument will never be parsed under the current semantics)." This isn't qu

[issue18519] test_sqlite crashes on OS X tiger 3.x buildbot

Ned Deily added the comment: The changes for this issue appear to have changed the behavior of test_sqlite. Prior to 5643e873f06e on OS X 10.4 Tiger with the system libsqlite (3.1.3), all test cases of test_sqlite pass. As of current tip on the same platform, there are now two failures in te

[issue18580] distutils compilers are unicode strings on OS X since Python 2.7.4

Changes by Ned Deily : -- Removed message: http://bugs.python.org/msg193830 ___ Python tracker ___ ___ Python-bugs-list mailing list U

[issue18580] distutils compilers are unicode strings on OS X since Python 2.7.4

Ned Deily added the comment: Thanks for the analysis. I'm consolidating this issue with Issue18071. -- status: open -> closed ___ Python tracker ___

[issue18214] Stop purging modules which are garbage collected before shutdown

Changes by Antoine Pitrou : Added file: http://bugs.python.org/file31093/module_cleanup3.patch ___ Python tracker ___ ___ Python-bugs-list mai

[issue18519] test_sqlite crashes on OS X tiger 3.x buildbot

R. David Murray added the comment: Heh, that's the kind of behavior change I was worried about :(. -- ___ Python tracker ___ ___ Pytho

[issue18481] lcov report

Roundup Robot added the comment: New changeset 85ec2b5bfcd2 by Christian Heimes in branch 'default': Issue #18481: Add C coverage reporting with gcov and lcov. A new make target http://hg.python.org/cpython/rev/85ec2b5bfcd2 -- nosy: +python-dev ___ Py

[issue18481] lcov report

Roundup Robot added the comment: New changeset 116b05b98bea by Christian Heimes in branch 'default': Issue #18481: document new C coverage make targets http://hg.python.org/devguide/rev/116b05b98bea -- ___ Python tracker

[issue18481] lcov report

Christian Heimes added the comment: I have add two new make targets and documented the new stuff in our devguide. I'm going to run and upload the report every now and then. -- resolution: -> fixed stage: patch review -> committed/rejected status: open -> closed ___

[issue18603] PyOS_mystricmp unused and no longer available

New submission from Christian Heimes: The two functions PyOS_strnicmp() and PyOS_stricmp() from Python/pystrcmp.c are no longer used by any function in the core. Because no module references any object from Python/pystrcmp.c the object file is not included in the Python binary: $ nm -P python

[issue18604] Consolidate gui available checks in test.support

New submission from Terry J. Reedy: Current situation: test.support.requires starts with if resource == 'gui' and not _is_gui_available(): On windows, _is_gui_available() uses ctypes to determine that there really is a graphics screen. On other systems, it just returns True, even when it

[issue18441] Idle: Make test.support.requires('gui') skip when it should.

Terry J. Reedy added the comment: This is working, so closing. I opened #18604 for consolidating gui checks in test.support. -- resolution: -> fixed stage: patch review -> committed/rejected status: open -> closed ___ Python tracker

[issue16472] Distutils+mingw links agains msvcr90, while python27.dll is linked agains msvcrt

Marek Marczykowski-Górecki added the comment: I can confirm that when a module is linked against msvcr90, it crashes with "invalid access to memory". When removed that library from the linker options (that is - no explicit msvcr, in any version) - module worked perfectly. Note that comment on

[issue18573] In unittest.TestCase.assertWarns doc there is some text about assertRaises()

py.user added the comment: What about the second line? It doesn't catch any exception utest.py #!/usr/bin/env python3 import unittest class Test(unittest.TestCase): def test_warning(self): import warnings with self.assertWarns(RuntimeWarning) as cm: raise Va

[issue11955] 3.3 : test_argparse.py fails 'make test'

paul j3 added the comment: The test names are: FAIL: test_failures_many_groups_listargs (__main__.TestFileTypeW) FAIL: test_failures_many_groups_sysargs (__main__.TestFileTypeW) FAIL: test_failures_no_groups_listargs (__main__.TestFileTypeW) FAIL: test_failures_no_groups_sysarg

[issue18573] In unittest.TestCase.assertWarns doc there is some text about assertRaises()

Terry J. Reedy added the comment: > What about the second line? What second line? > It doesn't catch any exception It? I do not understand your point. Your example works as documented, including "any unexpected exception is an error". Actually, that should be 'any exception' as none is expected

[issue18573] In unittest.TestCase.assertWarns doc there is some text about assertRaises()

Roundup Robot added the comment: New changeset 366beee880aa by Terry Jan Reedy in branch '3.3': Issue #18573: More copy-paste fixes to assertWarns entry. http://hg.python.org/cpython/rev/366beee880aa -- ___ Python tracker

[issue18596] enable usage of AddressSanitizer in CPython [PATCH]

Charles-François Natali added the comment: The warning is due to the Py_ADDRESS_IN_RANGE() macro: it's a know limitation, we have the same problem with valgrind. This would be a nice neature. It would IMO be even nicer to have an ASAN-enabled buildbot. -- nosy: +neologix

[issue18596] enable usage of AddressSanitizer in CPython [PATCH]

halfie added the comment: Using, # define ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS __attribute__((no_address_safety_analysis)) __attribute__ ((noinline)) instead of, # define ATTRIBUTE_NO_ADDRESS_SAFETY_ANALYSIS __attribute__((no_address_safety_analysis)) seems to be a more future-proof (agains

[issue18585] Add a text truncation function

Vajrasky Kok added the comment: Monsieur Pitrou, thanks for the explanation. Actually, IMHO I prefer, 'hello (...)' should be the minimum words we can use not '(...)' because '(...)' does not make any sense. But, anyway, it's your call. :) Anyway, using your summarize2.patch: >>> textwrap.sum

[issue18214] Stop purging modules which are garbage collected before shutdown

Antoine Pitrou added the comment: See issue10068 and issue7140. -- ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscrib

[issue17933] format str bug in urllib request.py

Changes by Arfrever Frehtes Taifersar Arahesis : -- nosy: +Arfrever ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscri