[issue10408] Denser dicts and linear probing
Changes by John O'Connor tehj...@gmail.com: -- nosy: +jcon ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue10408 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12729] Python lib re cannot handle Unicode properly due to narrow/wide bug
Glenn Linderman v+pyt...@g.nevcal.com added the comment: In msg142098 Ezio said: Keep in mind that we should be able to access and use lone surrogates too, therefore: s = '\ud800' # should be valid len(s) # should this raise an error? (or return 0.5 ;)? I say: For streams and data types in which lone surrogates are permitted, a lone surrogate should be treated as and counted as a character (codepoint). For streams and data types in which lone surrogates are not permitted, the assigned should be invalid, and raise an error; len would then never see it, and has no quandary. -- nosy: +v+python ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12729 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6584] gzip module has no custom exception
Changes by Michele Orrù maker...@gmail.com: -- nosy: +ezio.melotti ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue6584 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6669] TarFile.getmembers fails at struct.unpack: unpack requires a string argument of length 4
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[issue12388] cannot specify recursive extra_files in packaging setup.cfg
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[issue12386] packaging fails in install_distinfo when writing RESOURCES
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[issue12830] --install-data doesn't effect resources destination
New submission from trevor tre...@well.com: attempting to point the relative destination with --install-data does not seem to have an effect. the specified directory is created, but resources are still installed relative to the present working directory. setup.cfg: [files] resources = externalfiles/tobemoved.txt = support % pysetup3 run install_dist --install-data /tmp/example /tmp/example is created with no files, ./support/tobemoved.txt is created -- assignee: tarek components: Distutils2 messages: 142878 nosy: alexis, eric.araujo, tarek, trevor priority: normal severity: normal status: open title: --install-data doesn't effect resources destination type: behavior versions: Python 3.3 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12830 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12831] 2to3 and integer division
New submission from Alexander Rødseth rods...@gmail.com: Hi, 2to3 is a great tool, but I think I found one case it doesn't catch, which is this change: -half = self.maxstars / 2 +half = self.maxstars // 2 / 2 is an integer division, so it should be // 3 in Python 3. Thanks. -- components: 2to3 (2.x to 3.0 conversion tool) messages: 142879 nosy: alexander256 priority: normal severity: normal status: open title: 2to3 and integer division type: behavior versions: Python 3.2 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12831 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue1666318] shutil.copytree doesn't give control over directory permissions
Changes by Ugra Dániel daniel.u...@gmail.com: -- nosy: +daniel.ugra ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue1666318 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12832] The documentation for the print function should explain/point to how to control the sys.stdout encoding
New submission from R. David Murray rdmur...@bitdance.com: A common problem encountered when using python3 is writing non-ascii to stdout. This will work fine if stdout is a terminal and the terminal encoding handles the characters, but will fail if stdout is later redirected to a pipe. The docs for sys.stdout and for print should contain or point to an explanation of why, and how to solve the problem (ie: how to set the encoding for sys.stdout/sys.stderr). Note that IMO it makes more sense for sys.stdout to default to the LOCALE encoding, but that should be a separate issue. -- assignee: docs@python components: Documentation messages: 142880 nosy: docs@python, r.david.murray priority: normal severity: normal status: open title: The documentation for the print function should explain/point to how to control the sys.stdout encoding versions: Python 2.7, Python 3.2, Python 3.3 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12832 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12832] The documentation for the print function should explain/point to how to control the sys.stdout encoding
R. David Murray rdmur...@bitdance.com added the comment: Victor says it defaults to LOCALE in 3.3. The documentation should still be expanded to mention this even in 3.3, though. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12832 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12807] Optimizations for {bytearray,bytes,unicode}.strip()
Antoine Pitrou pit...@free.fr added the comment:
+if (len == 0) {
+if (PyByteArray_CheckExact(self)) {
+Py_INCREF(self);
+return (PyObject *)self;
+}
+return PyByteArray_FromStringAndSize(NULL, 0);
+}
This looks like a dubious micro-optimization. If len == 0,
all loops will exit early anyway (same for similar snippets in bytesobject.c
and unicodeobject.c).
+if (i == 0 j == len PyByteArray_CheckExact(self)) {
+Py_INCREF(self);
+return (PyObject *)self;
+}
bytearray objects are mutable, so you can't return the same object without
breaking expected semantics. e.g.:
a = bytearray()
b = a.strip()
b.append(49)
a
bytearray(b'')
b
bytearray(b'1')
diff -r b5ccdf7c032a Python/bltinmodule.c
Binary file Python/bltinmodule.c has changed
Uh, what's this? bltinmodule.c shouldn't be considered a binary file.
It probably means you added a NUL byte in it by mistake.
Looking at just how similar these 3 implementations are I feel that we
could also unify/generalize them into one generic helper implementation
and leave the object marshaling up to the type specific methods.
You could put it in Objects/stringlib.
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[issue12832] The documentation for the print function should explain/point to how to control the sys.stdout encoding
R. David Murray rdmur...@bitdance.com added the comment: Ah, this was actually fixed in 3.2, so it is only 2.7 where there is the different (and long standing) problem of output of unicode to a pipe. So, the doc issue boils down to mentioning how the encoding for stdout/stderr is derived (LOCALE, overridden by PYTHONIOENCODING if set, as far as I can tell). -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12832 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12803] SSLContext.load_cert_chain() should accept a password argument
Antoine Pitrou pit...@free.fr added the comment: Thanks for the patch. This is a generally useful functionality and the patch looks mostly good. I have a couple comments: - in _pwinfo_set(), you need to decref password_bytes when you're finished - you check the password size in _password_callback() but not in _pwinfo_set(), is it expected? is the size limit only meaningful with a callback rather than a predefined password? -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12803 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue3244] multipart/form-data encoding
Changes by Conley Owens xcc...@gmail.com: -- nosy: +cco3 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue3244 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6560] socket sendmsg(), recvmsg() methods
Charles-François Natali neolo...@free.fr added the comment: Here's a patch skipping testFDPassSeparate and testFDPassSeparateMinSpace on OS X 10.5, due to known kernel bugs (see http://developer.apple.com/library/mac/#qa/qa1541/_index.html). For InterruptedSendTimeoutTest and testInterruptedSendmsgTimeout, it also looks like a kernel bug. There could be another explanation, though: if, for some reason, other threads are running at that time, the signal might be delivered to another thread, and our main thread remains stuck on sendto/sendmsg once the socket buffer is full. I'm however not sure why this would only affect OS X (since FreeBSD behaves in the same way when it comes to signals, contrarily to Linux). Also, I'm not sure why this would not affect recv/recvmsg. -- Added file: http://bugs.python.org/file23027/pass_fds_osx.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue6560 ___diff -r 1696e2789d91 Lib/test/test_socket.py --- a/Lib/test/test_socket.py Wed Aug 24 02:15:25 2011 +0200 +++ b/Lib/test/test_socket.py Wed Aug 24 18:36:22 2011 +0200 @@ -2090,7 +2090,9 @@ def _testFDPassCMSG_LEN(self): self.createAndSendFDs(1) +# Passing multiple FDs at once isn't reliable on OS X 10.5. @requireAttrs(socket, CMSG_SPACE) +@support.requires_mac_ver(10, 5) def testFDPassSeparate(self): # Pass two FDs in two separate arrays. Arrays may be combined # into a single control message by the OS. @@ -2111,6 +2113,7 @@ len(MSG)) @requireAttrs(socket, CMSG_SPACE) +@support.requires_mac_ver(10, 5) def testFDPassSeparateMinSpace(self): # Pass two FDs in two separate arrays, receiving them into the # minimum space for two arrays. ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12333] test_packaging failures under Solaris
Charles-François Natali neolo...@free.fr added the comment:
More occurrences:
http://www.python.org/dev/buildbot/all/builders/sparc solaris10 gcc
3.x/builds/3555/steps/test/logs/stdio
==
ERROR: test_record_extensions (distutils.tests.test_install.InstallTestCase)
--
Traceback (most recent call last):
File
/home2/buildbot/slave/3.x.loewis-sun/build/Lib/distutils/tests/support.py,
line 63, in tearDown
shutil.rmtree(d, os.name in ('nt', 'cygwin'))
File /home2/buildbot/slave/3.x.loewis-sun/build/Lib/shutil.py, line 280, in
rmtree
rmtree(fullname, ignore_errors, onerror)
File /home2/buildbot/slave/3.x.loewis-sun/build/Lib/shutil.py, line 289, in
rmtree
onerror(os.rmdir, path, sys.exc_info())
File /home2/buildbot/slave/3.x.loewis-sun/build/Lib/shutil.py, line 287, in
rmtree
os.rmdir(path)
OSError: [Errno 22] Invalid argument: '/tmp/tmp2horib/foo'
--
nosy: +neologix
resolution: fixed -
status: closed - open
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[issue12833] raw_input misbehaves when readline is imported
New submission from Idan Kamara idank...@gmail.com:
import sys, readline
sys.stdout.write('foo ')
raw_input()
When trying the above on Debian, 2.6.6 using gnome-terminal, typing a character
then hitting backspace deletes foo as well.
I'm not sure if this is a bug or the expected behavior when writing to stdout
directly rather than passing the string to raw_input() (for my particular use
case that's not an option though).
One possible workaround seems to be to delete the trailing space from write()
and move it to raw_input:
sys.stdout.write('foo')
raw_input(' ')
Then backspace seems to work properly. This has something to do with readline
because when it's not imported, it also works as expected (but other things
break obviously).
--
components: Library (Lib)
messages: 142887
nosy: idank
priority: normal
severity: normal
status: open
title: raw_input misbehaves when readline is imported
type: behavior
versions: Python 2.6
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[issue12824] Make the write_file() helper function in test_shutil return the file name it wrote to
Hynek Schlawack h...@ox.cx added the comment: ok. it would have saved some LOC for me, but it's nothing essential of course. -- resolution: - rejected status: open - closed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12824 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12830] --install-data doesn't effect resources destination
Éric Araujo mer...@netwok.org added the comment: This is one of the things that were left under-specified when the resources subsystem was introduced by adding working code instead of a PEP. I think that --install-data is obsolete now, and that there should be another way to override specific sysconfig variables or paths (which are used to install data files/resources) from the command line and config files, to replace --install-data. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12830 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12715] Add symlink support to shutil functions
Hynek Schlawack h...@ox.cx added the comment: What started as a 2 lines fix, grew to a patch of ~400 lines. :) It's mostly tests though: Lib/shutil.py | 102 +-- Lib/test/test_shutil.py | 220 ++ Misc/ACKS |1 + 3 files changed, 297 insertions(+), 26 deletions(-) I've AFAIS implemented the desired behavior and hope for feedback/bug reports. It's tested on Linux FreeBSD 8.2 and applies cleanly against default/tip. Please let me know if I've done something stupid. -- hgrepos: +63 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12715 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12715] Add symlink support to shutil functions
Changes by Hynek Schlawack h...@ox.cx: -- keywords: +patch Added file: http://bugs.python.org/file23028/e126ceae5ba9.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12715 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12810] Remove check for negative unsigned value in socketmodule.c
Roundup Robot devn...@psf.upfronthosting.co.za added the comment: New changeset 4736e172fa61 by Charles-François Natali in branch 'default': Issue12810: Remove check for negative unsigned value in socketmodule.c. Patch http://hg.python.org/cpython/rev/4736e172fa61 -- nosy: +python-dev ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12810 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12810] Remove check for negative unsigned value in socketmodule.c
Charles-François Natali neolo...@free.fr added the comment: Patch committed. Thanks Joel! -- resolution: - fixed stage: commit review - committed/rejected status: open - closed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12810 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12715] Add symlink support to shutil functions
Changes by Antoine Pitrou pit...@free.fr: -- nosy: +haypo, neologix ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12715 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12803] SSLContext.load_cert_chain() should accept a password argument
Adam Simpkins a...@adamsimpkins.net added the comment: Good catch. Here's an updated patch to fix the missing decref in _pwinfo_set() The length check in _password_callback() applies to both callback functions and predefined strings. The C API always uses a callback, so _password_callback() is used even when the python caller has passed in a string. We can't check the length in _pwinfo_set() since it depends on the buffer length argument that openssl will pass to _password_callback(). -- Added file: http://bugs.python.org/file23029/ssl-password.3.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12803 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12834] memoryview.tobytes() incorrect for non-contiguous arrays
New submission from Stefan Krah stefan-use...@bytereef.org: memoryview.tobytes() converts a non-contiguous array to a contiguous representation. This result is not right: from numpy import * x = array([1,2,3,4,5], dtype=B) y = x[::-1] y array([5, 4, 3, 2, 1], dtype=uint8) m = memoryview(y) m.tobytes() '\x04\x03\x02\x01\x05' -- assignee: skrah components: Interpreter Core messages: 142894 nosy: skrah priority: normal severity: normal stage: needs patch status: open title: memoryview.tobytes() incorrect for non-contiguous arrays type: behavior versions: Python 3.3 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12834 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12834] memoryview.tobytes() incorrect for non-contiguous arrays
Antoine Pitrou pit...@free.fr added the comment: That's rather funky. What should the right result be? -- nosy: +pitrou ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12834 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue4106] multiprocessing occasionally spits out exception during shutdown
Antoine Pitrou pit...@free.fr added the comment: I can't seem to reproduce this under 3.3. Should it be closed? -- nosy: +pitrou resolution: - out of date versions: +Python 3.2, Python 3.3 -Python 2.6 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue4106 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6560] socket sendmsg(), recvmsg() methods
Charles-François Natali neolo...@free.fr added the comment: As noted by Antoine, the OS X 10.5 buildbots are also failing. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue6560 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue4106] multiprocessing occasionally spits out exception during shutdown
Jesse Noller jnol...@gmail.com added the comment: On Wed, Aug 24, 2011 at 3:01 PM, Antoine Pitrou rep...@bugs.python.org wrote: Antoine Pitrou pit...@free.fr added the comment: I can't seem to reproduce this under 3.3. Should it be closed? I don't think so; it's still applicable to 2.x, and a fix should go into 2.7 ideally. http://bugs.python.org/issue9207 is the source of the issue AFAIR -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue4106 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12834] memoryview.tobytes() incorrect for non-contiguous arrays
Stefan Krah stefan-use...@bytereef.org added the comment: Antoine Pitrou rep...@bugs.python.org wrote: That's rather funky. What should the right result be? Basically [5, 4, 3, 2, 1] as bytes: '\x05\x04\x03\x02\x01' Looks like an off-by-one error. I was a bit surprised that tobytes() automatically converts anything to a C-contiguous array. The result can be completely disconnected from the raw memory. [The bug also exists for forward strides.] array([1, 3, 5], dtype=uint64) m = memoryview(y) m.tobytes() '\x03\x00\x00\x00\x00\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00' -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12834 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12835] Missing SSLSocket.sendmsg() wrapper allows programs to send unencrypted data by mistake
New submission from David Watson bai...@users.sourceforge.net: Changeset fd10d042b41d removed the wrappers on ssl.SSLSocket for the new socket.send/recvmsg() methods (since I forgot to check for the existence of the underlying methods - see issue #6560), but this leaves SSLSocket with send/recvmsg() methods inherited from the underlying socket type; thus SSLSocket.sendmsg() will insert the given data into the stream without encrypting it (or wrapping it in SSL in any way). This immediately screws up the SSL connection, resulting in receive errors at both ends (SSL3_GET_RECORD:wrong version number and the like), but the data is clearly visible in a packet capture, so it's too late if it was actually something secret. Correspondingly, recvmsg() and recvmsg_into() return the encrypted data, and screw up the connection by removing it from the SSL stream. Of course, these methods don't make sense over SSL anyway, but if the programmer naively assumes they do, then ideally they should not expose any secret information. Attaching a patch implementing Antoine Pitrou's suggestion that the methods should simply raise NotImplementedError. I don't know if these versions should also be added only if present on the underlying socket - they're Not Implemented either way :-) -- components: Library (Lib) files: ssl_sendrecvmsg_notimplemented.diff keywords: patch messages: 142900 nosy: baikie priority: normal severity: normal status: open title: Missing SSLSocket.sendmsg() wrapper allows programs to send unencrypted data by mistake versions: Python 3.3 Added file: http://bugs.python.org/file23030/ssl_sendrecvmsg_notimplemented.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12835 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6560] socket sendmsg(), recvmsg() methods
David Watson bai...@users.sourceforge.net added the comment: On Tue 23 Aug 2011, Nick Coghlan wrote: As you can see, I just pushed a change that removed the new methods from SSLSocket objects. If anyone wants to step up with a valid use case (not already covered by wrap_socket), preferably with a patch to add them back that includes proper tests and documentation changes, please open a new feature request and attach the new patch to that issue. Hi, sorry about the trouble caused by the broken tests, but SSLSocket should at least override sendmsg() to stop misguided programs sending data in the clear: http://bugs.python.org/issue12835 -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue6560 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12786] subprocess wait() hangs when stdin is closed
Changes by Charles-François Natali neolo...@free.fr: -- nosy: +pitrou, rosslagerwall ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12786 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12834] memoryview.tobytes() incorrect for non-contiguous arrays
Changes by STINNER Victor victor.stin...@haypocalc.com: -- nosy: +haypo ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12834 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12760] Add create mode to open()
Charles-François Natali neolo...@free.fr added the comment: So, what was the conclusion of the discussion brought up on python-dev? I had a feeling some core devs were opposed to this (I'm personally -0). -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12760 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue4106] multiprocessing occasionally spits out exception during shutdown
Antoine Pitrou pit...@free.fr added the comment: Indeed, 2.7 seems still affected. -- resolution: out of date - versions: -Python 3.2, Python 3.3 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue4106 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12287] ossaudiodev: stack corruption with FD = FD_SETSIZE
Charles-François Natali neolo...@free.fr added the comment: So, what should I do with is_selectable.diff? -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12287 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12656] test.test_asyncore: add tests for AF_INET6 and AF_UNIX sockets
Changes by Charles-François Natali neolo...@free.fr: -- nosy: +haypo, pitrou ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12656 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue5113] 2.5.4.3 / test_posix failing on HPUX systems
Changes by Charles-François Natali neolo...@free.fr: -- nosy: +haypo ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue5113 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6419] Broken test_kqueue.py on OpenBSD
Charles-François Natali neolo...@free.fr added the comment: Rémi, can you reproduce this problem? Could you test the patch attached? (It's maybe already part of OPenBSD's tree, in which case it would certainly be nice to include it). -- nosy: +rpointel ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue6419 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12287] ossaudiodev: stack corruption with FD = FD_SETSIZE
Antoine Pitrou pit...@free.fr added the comment: So, what should I do with is_selectable.diff? It looks ok to me. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12287 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue4106] multiprocessing occasionally spits out exception during shutdown
Antoine Pitrou pit...@free.fr added the comment: Ok, I think the reason this doesn't appear in 3.2/3.3 is the fix for issue1856. In 2.x (and 3.1) daemon threads can continue executing after the interpreter's internal structures have started being destroyed. The least intrusive solution is to always join the helper thread before shutting down the interpreter. Patch attached. -- keywords: +patch stage: - patch review Added file: http://bugs.python.org/file23031/mpqshutdown.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue4106 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12656] test.test_asyncore: add tests for AF_INET6 and AF_UNIX sockets
Antoine Pitrou pit...@free.fr added the comment: Perhaps bind_af_aware() should find its place in test.support. Also, using test.support.unlink means it filters out acceptable errnos. Also, do we want an IPv6 test with poll, or is it overkill? -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12656 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12801] C realpath not used by os.path.realpath
Charles-François Natali neolo...@free.fr added the comment: It would probably be simpler, safer and more efficient to simply call the POSIX function instead (but it most be exposed somewhere, by posixmodule.c I suppose). Indeed. Would it be a good idea to use the full docstring of posixpath.realpath to os.realpath and then just do “realpath = os.realpath” in posixpath? Yes. That would also be a way to add the '.' default argument. An initial patch. I'm actually concerned because realpath doesn't seem as portable as I first thought. Here's what my man page says: OSIX.1-2001 says that the behavior if resolved_path is NULL is implementation-defined. POSIX.1-2008 specifies the behavior described in this page. So I'm not sure that all implementations support passing a NULL buffer as argument. Also: Solaris may return a relative pathname when the path argument is relative. Well, I guess we can also commit this patch and see if a buildbot breaks... -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12801 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12760] Add create mode to open()
Antoine Pitrou pit...@free.fr added the comment: I haven't seen any discussion on python-dev. Have I missed something? -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12760 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12760] Add create mode to open()
Charles-François Natali neolo...@free.fr added the comment: I haven't seen any discussion on python-dev. Have I missed something? It was on Python-ideas actually: http://mail.python.org/pipermail/python-ideas/2011-August/011183.html -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12760 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue4106] multiprocessing occasionally spits out exception during shutdown
Vinay Sajip vinay_sa...@yahoo.co.uk added the comment: In Antoine's patch, ISTM that the line created_by_this_process = ... could also be deleted, as the patch no longer uses that value and it's not used anywhere later in the method. -- nosy: +vinay.sajip ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue4106 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12801] C realpath not used by os.path.realpath
STINNER Victor victor.stin...@haypocalc.com added the comment: i12801.patch is not correct: on Windows, you should never encode a filename to bytes. Use PyUnicode_Decode() + _Py_wrealpath(), or a #ifdef (as many other posixmodule functions). I prefer to reuse _Py_wrealpath because we will have to add special cases: realpath(NULL) and also maybe canonicalize_file_name(). -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12801 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12786] subprocess wait() hangs when stdin is closed
Antoine Pitrou pit...@free.fr added the comment: You might want to add a comment in the patch that the cloexec flag is removed from the child's pipes by calling dup2() before exec() :) I was a bit baffled at first when reading the patch. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12786 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue8713] multiprocessing needs option to eschew fork() under Linux
Ask Solem a...@celeryproject.org added the comment: I have suspected that this may be necessary, not just merely useful, for some time, and issue6721 seems to verify that. In addition to adding the keyword arg to Process, it should also be added to Pool and Manager. Is anyone working on a patch? If not I will work on a patch asap. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8713 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12760] Add create mode to open()
Antoine Pitrou pit...@free.fr added the comment: Ah, right. Well I think all arguments against it were quite weak (or even wrong). Let's see: - it's not cross-platform: actually it is (OS_EXCL has been POSIX since at least 1997 (*), and Windows also has it) - os.open followed by os.fdopen is easy: it isn't that easy to get the incantation right (the pure Python open() in _pyio is 70 lines of code), especially if you want the file object to have the right name attribute - it doesn't fill a use case: actually, avoiding race conditions is an important use case, even though many people may never encounter it (I must admit I myself never really cared about this) So this looks like a reasonable feature request IMHO. (*) http://pubs.opengroup.org/onlinepubs/007908799/xsh/open.html -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12760 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12786] subprocess wait() hangs when stdin is closed
Charles-François Natali neolo...@free.fr added the comment:
With comment.
I'll add a similar comment to default.
--
Added file: http://bugs.python.org/file23032/subprocess_cloexec-1.diff
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue12786
___diff -r d4d9a3e71897 Lib/subprocess.py
--- a/Lib/subprocess.py Tue Aug 23 19:54:20 2011 +0200
+++ b/Lib/subprocess.py Wed Aug 24 22:36:58 2011 +0200
@@ -1035,7 +1035,7 @@
if stdin is None:
pass
elif stdin == PIPE:
-p2cread, p2cwrite = os.pipe()
+p2cread, p2cwrite = self._pipe2()
elif isinstance(stdin, int):
p2cread = stdin
else:
@@ -1045,7 +1045,7 @@
if stdout is None:
pass
elif stdout == PIPE:
-c2pread, c2pwrite = os.pipe()
+c2pread, c2pwrite = self._pipe2()
elif isinstance(stdout, int):
c2pwrite = stdout
else:
@@ -1055,7 +1055,7 @@
if stderr is None:
pass
elif stderr == PIPE:
-errread, errwrite = os.pipe()
+errread, errwrite = self._pipe2()
elif stderr == STDOUT:
errwrite = c2pwrite
elif isinstance(stderr, int):
@@ -1082,6 +1082,19 @@
fcntl.fcntl(fd, fcntl.F_SETFD, old ~cloexec_flag)
+def _pipe2(self, cloexec=True):
+Ad-hoc pipe2() implementation.
+# Pipes are set CLOEXEC by default because we don't want them to be
+# inherited by other subprocesses: the CLOEXEC flag is removed from
+# the child's pipes by _dup2(), between fork() and exec().
+# This is not atomic: we would need the pipe2() syscall for that.
+r, w = os.pipe()
+if cloexec:
+self._set_cloexec_flag(r)
+self._set_cloexec_flag(w)
+return r, w
+
+
def _close_fds(self, but):
if hasattr(os, 'closerange'):
os.closerange(3, but)
@@ -1120,11 +1133,9 @@
# For transferring possible exec failure from child to parent
# The first char specifies the exception type: 0 means
# OSError, 1 means some other error.
-errpipe_read, errpipe_write = os.pipe()
+errpipe_read, errpipe_write = self._pipe2()
try:
try:
-self._set_cloexec_flag(errpipe_write)
-
gc_was_enabled = gc.isenabled()
# Disable gc to avoid bug where gc - file_dealloc -
# write to stderr - hang.
http://bugs.python.org/issue1336
diff -r d4d9a3e71897 Lib/test/test_subprocess.py
--- a/Lib/test/test_subprocess.py Tue Aug 23 19:54:20 2011 +0200
+++ b/Lib/test/test_subprocess.py Wed Aug 24 22:36:58 2011 +0200
@@ -995,6 +995,37 @@
self.assertRaises(OSError, os.waitpid, pid, 0)
self.assertNotIn(ident, [id(o) for o in subprocess._active])
+def test_pipe_cloexec(self):
+# Issue 12786: check that the parent-end FDs of the communication pipes
+# are set CLOEXEC, and not inherited by another child process.
+p1 = subprocess.Popen([sys.executable, -c,
+ 'import os;'
+ 'os.read(0)'
+ ],
+ stdin=subprocess.PIPE, stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE)
+
+p2 = subprocess.Popen([sys.executable, -c, if True:
+ import os, errno, sys
+ for fd in %r:
+ try:
+ os.close(fd)
+ except OSError as e:
+ if e.errno != errno.EBADF:
+ raise
+ else:
+ sys.exit(1)
+ sys.exit(0)
+% [f.fileno() for f in (p1.stdin, p1.stdout,
+ p1.stderr)]
+ ],
+ stdin=subprocess.PIPE, stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE, close_fds=False)
+p1.communicate('foo')
+_, stderr = p2.communicate()
+
+self.assertEqual(p2.returncode, 0, Unexpected error: + repr(stderr))
+
@unittest.skipUnless(mswindows, Windows specific tests)
class Win32ProcessTestCase(BaseTestCase):
___
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[issue8713] multiprocessing needs option to eschew fork() under Linux
Jesse Noller jnol...@gmail.com added the comment: No one is currently working on a patch AFAIK -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8713 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue4106] multiprocessing occasionally spits out exception during shutdown
Roundup Robot devn...@psf.upfronthosting.co.za added the comment: New changeset d316315a8781 by Antoine Pitrou in branch '2.7': Issue #4106: Fix occasional exceptions printed out by multiprocessing on interpreter shutdown. http://hg.python.org/cpython/rev/d316315a8781 -- nosy: +python-dev ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue4106 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue4106] multiprocessing occasionally spits out exception during shutdown
Antoine Pitrou pit...@free.fr added the comment: This should hopefully be fixed now. Feel free to reopen if it isn't. -- resolution: - fixed stage: patch review - committed/rejected status: open - closed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue4106 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12656] test.test_asyncore: add tests for AF_INET6 and AF_UNIX sockets
Charles-François Natali neolo...@free.fr added the comment: New patch. Perhaps bind_af_aware() should find its place in test.support. I'm not sure, it's really specific to this test. Also, using test.support.unlink means it filters out acceptable errnos. Thanks, I didn't know about this. Also, do we want an IPv6 test with poll, or is it overkill? Let's add it (especially since test_asyncore is really fast). -- Added file: http://bugs.python.org/file23033/test_ayncore-1.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12656 ___diff -r c53db7dc4b8f Lib/test/test_asyncore.py --- a/Lib/test/test_asyncore.py Wed Aug 24 21:40:53 2011 +0200 +++ b/Lib/test/test_asyncore.py Wed Aug 24 23:00:33 2011 +0200 @@ -87,6 +87,13 @@ serv.close() evt.set() +def bind_af_aware(sock, addr): +Helper function to bind a socket according to its family. +if sock.family == socket.AF_UNIX: +# Make sure the path doesn't exist. +unlink(addr) +sock.bind(addr) + class HelperFunctionTests(unittest.TestCase): def test_readwriteexc(self): @@ -467,22 +474,22 @@ raise -class TCPServer(asyncore.dispatcher): +class BaseServer(asyncore.dispatcher): A server which listens on an address and dispatches the connection to a handler. -def __init__(self, handler=BaseTestHandler, host=HOST, port=0): +def __init__(self, family, addr, handler=BaseTestHandler): asyncore.dispatcher.__init__(self) -self.create_socket() +self.create_socket(family) self.set_reuse_addr() -self.bind((host, port)) +bind_af_aware(self.socket, addr) self.listen(5) self.handler = handler @property def address(self): -return self.socket.getsockname()[:2] +return self.socket.getsockname() def handle_accepted(self, sock, addr): self.handler(sock) @@ -493,9 +500,9 @@ class BaseClient(BaseTestHandler): -def __init__(self, address): +def __init__(self, family, address): BaseTestHandler.__init__(self) -self.create_socket() +self.create_socket(family) self.connect(address) def handle_connect(self): @@ -525,8 +532,8 @@ def handle_connect(self): self.flag = True -server = TCPServer() -client = TestClient(server.address) +server = BaseServer(self.family, self.addr) +client = TestClient(self.family, server.address) self.loop_waiting_for_flag(client) def test_handle_accept(self): @@ -534,18 +541,18 @@ class TestListener(BaseTestHandler): -def __init__(self): +def __init__(self, family, addr): BaseTestHandler.__init__(self) -self.create_socket() -self.bind((HOST, 0)) +self.create_socket(family) +bind_af_aware(self.socket, addr) self.listen(5) -self.address = self.socket.getsockname()[:2] +self.address = self.socket.getsockname() def handle_accept(self): self.flag = True -server = TestListener() -client = BaseClient(server.address) +server = TestListener(self.family, self.addr) +client = BaseClient(self.family, server.address) self.loop_waiting_for_flag(server) def test_handle_accepted(self): @@ -553,12 +560,12 @@ class TestListener(BaseTestHandler): -def __init__(self): +def __init__(self, family, addr): BaseTestHandler.__init__(self) -self.create_socket() -self.bind((HOST, 0)) +self.create_socket(family) +bind_af_aware(self.socket, addr) self.listen(5) -self.address = self.socket.getsockname()[:2] +self.address = self.socket.getsockname() def handle_accept(self): asyncore.dispatcher.handle_accept(self) @@ -567,8 +574,8 @@ sock.close() self.flag = True -server = TestListener() -client = BaseClient(server.address) +server = TestListener(self.family, self.addr) +client = BaseClient(self.family, server.address) self.loop_waiting_for_flag(server) @@ -584,8 +591,8 @@ BaseTestHandler.__init__(self, conn) self.send(b'x' * 1024) -server = TCPServer(TestHandler) -client = TestClient(server.address) +server = BaseServer(self.family, self.addr, TestHandler) +client = TestClient(self.family, server.address) self.loop_waiting_for_flag(client) def test_handle_write(self): @@ -595,8 +602,8 @@ def handle_write(self): self.flag =
[issue12656] test.test_asyncore: add tests for AF_INET6 and AF_UNIX sockets
Antoine Pitrou pit...@free.fr added the comment: Looks good to me :) -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12656 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12760] Add create mode to open()
Amaury Forgeot d'Arc amaur...@gmail.com added the comment: - os.open followed by os.fdopen is easy: it isn't that easy to get the incantation right (the pure Python open() in _pyio is 70 lines of code), especially if you want the file object to have the right name attribute What if we can override the inner call to os.open()? For example, io.open() could grow an additional argument fd_opener which defaults to the equivalent of os.open. Then creation mode can be expressed like this: open(filename, 'w', fd_opener=lambda path, mode: os.open(path, mode|os.O_CREAT) Another use case with openat (see #12797): open(filename, fd_opener=lambda path, mode: os.openat(fd, path, mode) -- nosy: +amaury.forgeotdarc ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12760 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12803] SSLContext.load_cert_chain() should accept a password argument
Antoine Pitrou pit...@free.fr added the comment: I have one last concern: what is the character set of an OpenSSL password? I see you are using PyUnicode_AsEncodedString(x, NULL, NULL), which basically returns a utf8-encoded bytestring. Since the OpenSSL doc don't specify anything, we could accept it as a best-effort thing. Or perhaps we should use PyUnicode_EncodeFSDefault(), which uses the filesystem encoding, which is usually the same as the current terminal (assuming the password is typed on a terminal). -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12803 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12801] C realpath not used by os.path.realpath
STINNER Victor victor.stin...@haypocalc.com added the comment: Patch to get #ifdef REALPATH_SUPPORT_NULL: diff --git a/configure.in b/configure.in --- a/configure.in +++ b/configure.in @@ -1539,6 +1539,17 @@ if test $have_pthread_t = yes ; then #endif ]) fi + +AC_MSG_CHECKING(for realpath with NULL) +realpath_support_null=no +AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[#include stdlib.h]], [[char *p = realpath(__FILE__, NULL);]]) +],[realpath_support_null=yes],[]) +AC_MSG_RESULT($realpath_support_null) +if test $have_pthread_t = yes ; then + AC_DEFINE(REALPATH_SUPPORT_NULL, 1, + [Define if the realpath() function supports NULL as the second argument]) +fi CC=$ac_save_cc AC_SUBST(OTHER_LIBTOOL_OPT) -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12801 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12656] test.test_asyncore: add tests for AF_INET6 and AF_UNIX sockets
Roundup Robot devn...@psf.upfronthosting.co.za added the comment: New changeset b07b0b7517da by Charles-François Natali in branch 'default': Issue #12656: Add tests for IPv6 and Unix sockets to test_asyncore. http://hg.python.org/cpython/rev/b07b0b7517da -- nosy: +python-dev ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12656 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue1298813] sysmodule.c: realpath() is unsafe
STINNER Victor victor.stin...@haypocalc.com added the comment: See issue #12801: it has a more recent patch. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue1298813 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12760] Add create mode to open()
Antoine Pitrou pit...@free.fr added the comment: What if we can override the inner call to os.open()? For example, io.open() could grow an additional argument fd_opener which defaults to the equivalent of os.open. I agree it would be a much better situation than what we have now. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12760 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12801] C realpath not used by os.path.realpath
STINNER Victor victor.stin...@haypocalc.com added the comment: I prefer to reuse _Py_wrealpath because we will have to add special cases: realpath(NULL) and also maybe canonicalize_file_name(). I read that canonicalize_file_name(name) just calls realpath(name, NULL), so we can maybe avoid this GNU exception. I realized that _Py_wrealpath() returns wchar_t*, so it's maybe better to take the first approach (#ifdef MS_WINDOWS). -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12801 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12801] C realpath not used by os.path.realpath
Changes by Santoso Wijaya santoso.wij...@gmail.com: -- nosy: +santa4nt ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12801 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue3754] cross-compilation support for python build
Changes by Roumen Petrov bugtr...@roumenpetrov.info: Added file: http://bugs.python.org/file23034/python-py3k-20110825-CROSS.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue3754 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12760] Add create mode to open()
STINNER Victor victor.stin...@haypocalc.com added the comment: open(filename, 'w', fd_opener=lambda path, mode: os.open(path, mode|os.O_CREAT) I prefer open(name, c). it doesn't fill a use case: actually, avoiding race conditions is an important use case, ... It may help the issue #8604 (and maybe #8828). -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12760 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue3871] cross and native build of python for mingw32 with distutils
Roumen Petrov bugtr...@roumenpetrov.info added the comment: follow recent changes to distutils and packaging modules and platform tests without os major version ... (require python-py3k-20110825-CROSS.patch from #3754) -- Added file: http://bugs.python.org/file23035/python-py3k-20110825-MINGW.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue3871 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12801] C realpath not used by os.path.realpath
Charles-François Natali neolo...@free.fr added the comment: Patch to get #ifdef REALPATH_SUPPORT_NULL: I'm not really familiar with autotools, but I have the impression that this will only check that the given code snippet compiles (and it will), and we want to check that a NULL buffer is supported at runtime. Am I missing something? -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12801 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12837] Patch for issue #12810 removed a valid check on socket ancillary data
New submission from David Watson bai...@users.sourceforge.net: Changeset 4736e172fa61 for issue #12810 removed the test msg-msg_controllen 0 from socketmodule.c, where msg_controllen happened to be unsigned on the reporter's system. I included this test deliberately, because msg_controllen may be of signed type (POSIX allows socklen_t to be signed, as objects of that type historically were - as the Rationale says: All socklen_t types were originally (in BSD UNIX) of type int.). Attaching a patch to replace the check and add an accompanying comment. -- components: Extension Modules files: restore_controllen_check.diff keywords: patch messages: 142934 nosy: baikie priority: normal severity: normal status: open title: Patch for issue #12810 removed a valid check on socket ancillary data type: behavior versions: Python 3.3 Added file: http://bugs.python.org/file23036/restore_controllen_check.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12837 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12836] cast() creates circular reference in original object
New submission from Benjamin Gilbert bgilb...@backtick.net:
Section 15.17.1.15 of the ctypes documentation illustrates the use of cast()
thusly:
a = (c_byte * 4)()
cast(a, POINTER(c_int))
ctypes.LP_c_long object at ...
Executing the cast() causes a._objects to gain a reference back to a:
a = (c_byte * 4)()
a._objects
cast(a, POINTER(c_int))
__main__.LP_c_int object at 0x7fb879065b90
a._objects
{140430281170384: __main__.c_byte_Array_4 object at 0x7fb879065dd0}
a
__main__.c_byte_Array_4 object at 0x7fb879065dd0
If large temporary arrays are allocated, cast, used, and discarded in a tight
inner loop, a lot of memory can thus be consumed by self-referencing objects
before the garbage collector has a chance to run. Even if this behavior is
correct from the perspective of ctypes, it is surprising.
--
components: ctypes
messages: 142933
nosy: bgilbert
priority: normal
severity: normal
status: open
title: cast() creates circular reference in original object
type: resource usage
versions: Python 2.7
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[issue12837] Patch for issue #12810 removed a valid check on socket ancillary data
Changes by Antoine Pitrou pit...@free.fr: -- nosy: +neologix ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12837 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12837] Patch for issue #12810 removed a valid check on socket ancillary data
Charles-François Natali neolo...@free.fr added the comment:
I included this test deliberately, because msg_controllen may be
of signed type [...] POSIX allows socklen_t to be signed
http://pubs.opengroup.org/onlinepubs/007908799/xns/syssocket.h.html
sys/socket.h makes available a type, socklen_t, which is an unsigned opaque
integral type of length of at least 32 bits. To forestall portability problems,
it is recommended that applications should not use values larger than 2**32 - 1.
It seems pretty clear to me.
Did you actually encounter this problem on any OS?
Furthermore, even if it was the case, I don't see how we could end up with a
negative value for msg_controllen (it's a buffer length), since it's set by the
kernel.
Also, I'm not convinced by this:
/* Check for empty ancillary data as old CMSG_FIRSTHDR()
implementations didn't do so. */
for (cmsgh = ((msg.msg_controllen 0) ? CMSG_FIRSTHDR(msg) : NULL);
cmsgh != NULL; cmsgh = CMSG_NXTHDR(msg, cmsgh)) {
Did you really have reports of CMSG_NXTHDR not returning NULL upon empty
ancillary data (it's also raquired by POSIX)?
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[issue12837] Patch for issue #12810 removed a valid check on socket ancillary data
Charles-François Natali neolo...@free.fr added the comment:
I checked in glibc, FreeBSD and OpenBSD source codes, and they all define
socklen_t as an unsigned integer.
I think the confusion arises from this:
The third argument of accept() was originally declared as an int * (and
is that under libc4 and libc5 and on many other systems like 4.x BSD, SunOS 4,
SGI); a POSIX.1g
draft standard wanted to change it into a size_t *, and that is what it
is for SunOS 5. Later POSIX drafts have socklen_t *, and so do the Single
Unix Specification
and glibc2.
But this only implies that sizeof(socklen_t) == sizeof(int).
since it's set by the kernel.
The only place where we compute it is in sock_sendmsg, but it would be catched
by overflow checks:
if (controllen SOCKLEN_T_LIMIT || controllen controllen_last) {
PyErr_SetString(socket_error, too much ancillary data);
goto finally;
}
And we use it as malloc() and memset() argument before it's checked by
cmsg_min_space...
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[issue12786] subprocess wait() hangs when stdin is closed
STINNER Victor victor.stin...@haypocalc.com added the comment: subprocess_cloexec-1.diff: I'm too tired too review the test. The subprocess.py part looks correct, except the pipe2 name. Python 3 uses _create_pipe = _posixsubprocess.cloexec_pipe. Pick one of those. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12786 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue5113] 2.5.4.3 / test_posix failing on HPUX systems
STINNER Victor victor.stin...@haypocalc.com added the comment: It's surprising to raise a SkipTest *at the end* of the test. Here is another patch. -- Added file: http://bugs.python.org/file23037/chown_hpux-2.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue5113 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12656] test.test_asyncore: add tests for AF_INET6 and AF_UNIX sockets
Roundup Robot devn...@psf.upfronthosting.co.za added the comment: New changeset 603025e2d39d by Charles-François Natali in branch 'default': Issue #12656: Fix test_asyncore failures on Windows buildbots. http://hg.python.org/cpython/rev/603025e2d39d -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12656 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue5113] 2.5.4.3 / test_posix failing on HPUX systems
Changes by STINNER Victor victor.stin...@haypocalc.com: Added file: http://bugs.python.org/file23038/chown_hpux-3.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue5113 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue5113] 2.5.4.3 / test_posix failing on HPUX systems
Changes by STINNER Victor victor.stin...@haypocalc.com: Removed file: http://bugs.python.org/file23037/chown_hpux-2.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue5113 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue5113] 2.5.4.3 / test_posix failing on HPUX systems
Changes by STINNER Victor victor.stin...@haypocalc.com: Added file: http://bugs.python.org/file23039/chown_hpux-4.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue5113 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue5113] 2.5.4.3 / test_posix failing on HPUX systems
STINNER Victor victor.stin...@haypocalc.com added the comment: Using chown_hpux-4.diff, we don't skip anything on HP-UX. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue5113 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12807] Optimizations for {bytearray,bytes,unicode}.strip()
John O'Connor tehj...@gmail.com added the comment:
You are right about those lines in particular; 'dubious' as you say.
Though, the point overall was that the general implementation was noticeably
faster (regardless of those smaller changes).
However, I do think that the single check for len == 0 saves time
particularly
from do_xstrip where we call _getbuffer().
I see. I must have been trigger happy.
diff -r b5ccdf7c032a Python/bltinmodule.c
Binary file Python/bltinmodule.c has changed
Uh, what's this? bltinmodule.c shouldn't be considered a binary file.
It probably means you added a NUL byte in it by mistake.
I didn't touch that file at all. I'm not sure what that is. :-P
Looking at just how similar these 3 implementations are I feel that we
could also unify/generalize them into one generic helper implementation
and leave the object marshaling up to the type specific methods.
You could put it in Objects/stringlib.
I figured. I will when I am able to get to it.
- John
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___divdiv class=gmail_quoteblockquote class=gmail_quote style=margin:0 0
0 .8ex;border-left:1px #ccc solid;padding-left:1ex;br
Antoine Pitrou lt;a href=mailto:pit...@free.fr;pit...@free.fr/agt; added
the comment:br
br
+ Â Â if (len == 0) {br
+ Â Â Â Â if (PyByteArray_CheckExact(self)) {br
+ Â Â Â Â Â Â Py_INCREF(self);br
+ Â Â Â Â Â Â return (PyObject *)self;br
+ Â Â Â Â }br
+ Â Â Â Â return PyByteArray_FromStringAndSize(NULL, 0);br
+ Â Â }br
br
This looks like a dubious micro-optimization. If len == 0,br
all loops will exit early anyway (same for similar snippets in bytesobject.c
and unicodeobject.c).br
br/blockquotebr class=Apple-interchange-newlineYou are right about
those lines in particular; #39;dubious#39; as you say. divThough, the
point overall was that the general implementation was noticeably/divdiv
faster (regardless of those smaller
changes). /divdivbr/divdivHowever, I do think that the single
check for len == 0 saves time particularly/divdivfrom do_xstrip where we
call _getbuffer()./divdivbr/div
divbr/divblockquote class=gmail_quote style=margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex;
+ Â Â if (i == 0 amp;amp; j == len amp;amp; PyByteArray_CheckExact(self))
{br
+ Â Â Â Â Py_INCREF(self);br
+ Â Â Â Â return (PyObject *)self;br
+ Â Â }br
br
bytearray objects are mutable, so you can#39;t return the same object without
breaking expected semantics. e.g.:br
br/blockquotedivbr/divdivI see. I must have been trigger
happy./divdivbr/divblockquote class=gmail_quote style=margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex;br
gt; diff -r b5ccdf7c032a Python/bltinmodule.cbr
gt; Binary file Python/bltinmodule.c has changedbr
br
Uh, what#39;s this? bltinmodule.c shouldn#39;t be considered a binary
file.br
It probably means you added a NUL byte in it by mistake.br
div class=imbr/div/blockquotedivI didn#39;t touch that file at
all. I#39;m not sure what that is. :-P/divdivbr/divblockquote
class=gmail_quote style=margin:0 0 0 .8ex;border-left:1px #ccc
solid;padding-left:1ex;
div class=im
gt; Looking at just how similar these 3 implementations are I feel that webr
gt; could also unify/generalize them into one generic helper implementationbr
gt; and leave the object marshaling up to the type specific methods.br
br
/divYou could put it in
Objects/stringlib.br/blockquotedivbr/divdivI figured. I will when I
am able to get to it./divdivbr/divdivbr/divdiv-
John/div/div/div
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[issue12807] Optimizations for {bytearray,bytes,unicode}.strip()
Changes by John O'Connor tehj...@gmail.com: Removed file: http://bugs.python.org/file23040/unnamed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12807 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12807] Optimizations for {bytearray,bytes,unicode}.strip()
John O'Connor tehj...@gmail.com added the comment: Antoine Pitrou pit...@free.fr added the comment: This looks like a dubious micro-optimization. If len == 0, all loops will exit early anyway (same for similar snippets in bytesobject.c and unicodeobject.c). You are right about those lines in particular; 'dubious' as you say. Though, the point overall was that the general implementation was noticeably faster (regardless of those smaller changes). However, I do think that the single check for len == 0 saves time particularly from do_xstrip where we call _getbuffer(). bytearray objects are mutable, so you can't return the same object without breaking expected semantics. e.g.: I see. I must have been trigger happy. diff -r b5ccdf7c032a Python/bltinmodule.c Binary file Python/bltinmodule.c has changed Uh, what's this? bltinmodule.c shouldn't be considered a binary file. It probably means you added a NUL byte in it by mistake. I didn't touch that file at all. I'm not sure what that is. :-P You could put it in Objects/stringlib. I figured. I will when I am able to get to it. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12807 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12801] C realpath not used by os.path.realpath
STINNER Victor victor.stin...@haypocalc.com added the comment: Le mercredi 24 août 2011 23:45:00, vous avez écrit : Charles-François Natali neolo...@free.fr added the comment: Patch to get #ifdef REALPATH_SUPPORT_NULL: I'm not really familiar with autotools, but I have the impression that this will only check that the given code snippet compiles (and it will), and we want to check that a NULL buffer is supported at runtime. Am I missing something? Oh, you are right. I don't know autotools, I'm trying to learn. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12801 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue5113] 2.5.4.3 / test_posix failing on HPUX systems
Charles-François Natali neolo...@free.fr added the comment: Using chown_hpux-4.diff, we don't skip anything on HP-UX. Victor, I don't understand your patch: if we try chown()ing a file to root, then this will fail on HP-UX (because chown won't fail with EPERM). That's the whole point of the patch. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue5113 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue5113] 2.5.4.3 / test_posix failing on HPUX systems
Changes by STINNER Victor victor.stin...@haypocalc.com: Removed file: http://bugs.python.org/file23039/chown_hpux-4.diff ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue5113 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue5113] 2.5.4.3 / test_posix failing on HPUX systems
STINNER Victor victor.stin...@haypocalc.com added the comment: if we try chown()ing a file to root, then this will fail on HP-UX Oooh, I'm confused. I removed this stupid patch. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue5113 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue5113] 2.5.4.3 / test_posix failing on HPUX systems
STINNER Victor victor.stin...@haypocalc.com added the comment: # HP-UX and Solaris allow a non-root user to chown to root I didn't see failure on our Solaris / OpenIndiana buildbot. Should we really skip the test on Solaris? -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue5113 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12287] ossaudiodev: stack corruption with FD = FD_SETSIZE
STINNER Victor victor.stin...@haypocalc.com added the comment: You might replace #if defined(_MSC_VER) with #if defined(MS_WINDOWS), but in another commit. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12287 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue5113] 2.5.4.3 / test_posix failing on HPUX systems
Charles-François Natali neolo...@free.fr added the comment: Well, IIRC, I read in the Solaris man pages that it behaves like HP-UX in this regard. But this it can be changed with `setprivgrp`, so it might work on some machines, and fail on others. According to http://unix.derkeiler.com/Newsgroups/comp.unix.solaris/2004-03/2579.html, the test should work with the default setting (maybe the OP was testing on a HP-UX machine with the non-default setting). Anyway, since it depends on the system configuration, I wanted to stay on the safe side, and just skip on both OS. But I honestly don't have a strong opinion about this. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue5113 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12656] test.test_asyncore: add tests for AF_INET6 and AF_UNIX sockets
Roundup Robot devn...@psf.upfronthosting.co.za added the comment: New changeset f3444d795062 by Charles-François Natali in branch 'default': Issue #12656: Really fix test_asyncore failures on Windows buildbots... http://hg.python.org/cpython/rev/f3444d795062 -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12656 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue6676] expat parser throws Memory Error when parsing multiple files
David H. Gutteridge dhgutteri...@sympatico.ca added the comment: The documentation should definitely be updated to clarify that a parser instance is not reusable with more than one file. I had a look at the equivalent documentation for Perl and TCL, and Perl's implementation explicitly does not allow attempts to reuse the parser instance (which is clearly noted in the documentation), and TCL's implementation (or one of them, anyway) offers a reset call that explicitly resets the parser in preparation for another file to be submitted. -- nosy: +dhgutteridge ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue6676 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7983] The encoding map from Unicode to CP932 is different from that of Windows'
Changes by Nayuta Taga ganaware+bugs.python@gmail.com: Removed file: http://bugs.python.org/file16301/cp932_roundtrip.tar.bz2 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7983 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue7983] The encoding map from Unicode to CP932 is different from that of Windows'
Nayuta Taga ganaware+bugs.python@gmail.com added the comment: I have updated the tables about the latest Pythons (2.7.2, 3.2.1). The patches for 2.7a3 can be applied to 2.7.2 and 3.2.1 successfully. The latest Pythons still have the problem. Their encoding maps from Unicode to CP932 are different from those of Windows'. -- Added file: http://bugs.python.org/file23041/cp932_roundtrip.tar.bz2 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue7983 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12838] FAQ/Programming typo: range[3] is used
New submission from Eli Bendersky eli...@gmail.com: User report from docs@python: On http://docs.python.org/faq/programming.html for i in range[3]: Should be: for i in range(3): -- assignee: docs@python components: Documentation keywords: easy messages: 142952 nosy: docs@python, eli.bendersky priority: normal severity: normal stage: needs patch status: open title: FAQ/Programming typo: range[3] is used type: behavior versions: Python 2.7, Python 3.2, Python 3.3 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12838 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12832] The documentation for the print function should explain/point to how to control the sys.stdout encoding
Zachary Richey mach1...@gmail.com added the comment: I'm not sure if this is good documentation, but it explains how the encoding is gotten for stdout and stderr. -- keywords: +patch nosy: +mach1723 Added file: http://bugs.python.org/file23042/functions_print_doc.patch ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12832 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue12839] zlibmodule cannot handle Z_VERSION_ERROR zlib error
New submission from rmtew richard.m@gmail.com: zlibmodule.c calling inflateInit2 and deflateInit2 will subsequently proceed to crash in the case where these functions return Z_VERSION_ERROR. zlib implementation note: When you compile against zlib, several functions (actually macros) like inflateInit2 and deflateInit2 compile the version of zlib you are compiling against into the actual call of the underlying real zlib API function. Our situation: We are compiling Python as a static library. When we link Python against our main project, it links against the version of zlib used by that main project. The version numbers are different, and rather than getting a nice exception we get a crash. Expected result: Proper error handling in zlibmodule.c, and not crash. Unhandled errors in zlibmodule.c are passed into the custom function zlib_error which looks at the msg field of the zst struct. In the case of Z_VERSION_ERROR the msg field is not initialised and a crash will result from use of the nonsense value in msg. -- components: None messages: 142954 nosy: rmtew priority: normal severity: normal status: open title: zlibmodule cannot handle Z_VERSION_ERROR zlib error type: crash versions: Python 2.7, Python 3.2 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue12839 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
