New submission from Jurjen N.E. Bos:
The pool.imap and pool.imap_unordered functions are documented as a lazy
version of Pool.map.
In fact, they aren't: they consume the iterator argument as a whole. This is
almost certainly not what the user wants: it uses unnecessary memory and will
be
Vajrasky Kok added the comment:
How about this doc fix?
--
keywords: +patch
nosy: +vajrasky
Added file:
http://bugs.python.org/file33159/fix_doc_parse_non_valid_json_float.patch
___
Python tracker rep...@bugs.python.org
STINNER Victor added the comment:
The Visual Studio pragma disables for the rest of the file, which is
undesirable. Maybe we could turn it on and off inline, but it's not clear to
me that that would have the desired effect of turning off the warning for
explicitly that parameter
STINNER Victor added the comment:
I modified initstdio() to add raise(SIGINT); at the beginning of the function.
I get:
$ ./python
Fatal Python error: Py_Initialize: can't initialize sys standard streams
Traceback (most recent call last):
File frozen importlib._bootstrap, line 2157, in
New submission from Taesu Pyo:
// code sampe:
import re
r = (r'(/.*)*X')
s = ''
print re.match(r, s)
print list(re.finditer(r, s))
print re.findall(r, s)
// it does not return or takes long time depends on length of 's'
--
components: Regular Expressions
Marc-Andre Lemburg added the comment:
On 16.12.2013 10:02, STINNER Victor wrote:
Maybe we should modify Py_FatalError() to call exit(1) in release mode, and
only call abort() in debug mode? Dumping a core dump, opening a Windows fatal
error popup, calling Fedora ABRT handler, etc. is
STINNER Victor added the comment:
If you compile Python with GCC, we can maybe try something with __attribute__
((aligned (sizeof(void * attribute. The attribute can be used on a
structure field. The problem is that we don't care of the alignment of header
attributes, only of data, but
STINNER Victor added the comment:
I have fixed the issue in http://hg.python.org/cpython/rev/039306b45230
You forget 2.7 and 3.3 branches.
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue17919
STINNER Victor added the comment:
2013/12/16 Marc-Andre Lemburg rep...@bugs.python.org:
I don't think changing Py_FatalError() is a good idea. However,
its use in this particular case (streams not initializing) appears
wrong.
Python should simply exit with an error code in such a case;
Marc-Andre Lemburg added the comment:
On 16.12.2013 10:30, STINNER Victor wrote:
STINNER Victor added the comment:
2013/12/16 Marc-Andre Lemburg rep...@bugs.python.org:
I don't think changing Py_FatalError() is a good idea. However,
its use in this particular case (streams not
STINNER Victor added the comment:
BTW: Why can't we make this an official API function, e.g. Py_Terminate() ?
Exiting Python immediatly is bad practice, there is already Py_FatalError() for
that.
Instead of adding a second public function, I would prefer to remove most calls
to
New submission from Ethan Furman:
Using Enum to illustrate:
-- class Grade(enum.Enum):
... A = 4
... B = 3
... C = 2
... D = 1
... F = 0
... def __index__(self):
... return self._value_
-- ['miserable'][Grade.F]
'miserable'
-- '%x' %
Ethan Furman added the comment:
Guido van Rossum opined:
I still think the problem is with your class design.
You shouldn't want a hex representation for a value
that's not an integer.
Well, in fairness I only supported it because bool does, and I was trying to
have
Vajrasky Kok added the comment:
Okay, I added unit test for this edge case.
--
Added file:
http://bugs.python.org/file33160/parse_non_valid_json_float_with_unit_test.patch
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19871
STINNER Victor added the comment:
Calls:
* hex()/oct() = PyNumber_ToBase() = PyNumber_Index().
* PyUnicode_Format() = mainformatlong() = PyNumber_Long()
I never understood the difference between long (__int__ method) and index
(__index__ method). Is the difference on the behaviour of floating
Changes by Cory Benfield c...@lukasa.co.uk:
--
components: Library (Lib)
nosy: Lukasa
priority: normal
severity: normal
status: open
title: httplib infinite read on invalid header
type: behavior
versions: Python 2.7, Python 3.1, Python 3.2, Python 3.3
New submission from Cory Benfield:
Initially spotted on Requests GitHub bugtracker:
https://github.com/kennethreitz/requests/issues/1804
On receiving an HTTP response with an invalid header, httplib stops parsing the
headers and attempts to receive the rest of the message as body content.
Roundup Robot added the comment:
New changeset c42647d76bd1 by Christian Heimes in branch '3.3':
Issue #17919: add missing import of USHRT_MAX
http://hg.python.org/cpython/rev/c42647d76bd1
New changeset 1f3f4147c35e by Christian Heimes in branch 'default':
Issue #17919: add missing import of
Nick Coghlan added the comment:
I created a test suite to ensure that all the various cases were handled
correctly by the eventual patch (it doesn't test some of the namespace package
related edge cases, but they devolve to normal module execution in terms of the
final state of __main__, and
Nick Coghlan added the comment:
Current work in progress patch. The existing multiprocessing tests all pass,
but the new main handling tests fail.
The fork start_method passes all the tests
The forkserver and spawn start methods fail the directory, zipfile and package
tests.
--
Added
Nick Coghlan added the comment:
Updated test that handles timeouts better.
I also realised the current test failures are due to an error in the test
design - the failing cases are ones where we deliberately *don't* rerun
__main__ because the entire __main__.py file is assumed to be inside an
Changes by Nick Coghlan ncogh...@gmail.com:
--
stage: needs patch - patch review
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19946
___
___
New submission from Claudiu.Popa:
imghdr.what check explicitly for string path, while `open` happily accepts
bytes paths, as seen below:
x
b'\xc2\xba'
imghdr.what(x)
Traceback (most recent call last):
File stdin, line 1, in module
File /tank/libs/cpython/Lib/imghdr.py, line 15, in what
Roundup Robot added the comment:
New changeset 874813a3523d by Charles-François Natali in branch '2.7':
Issue #19965: Make sure that Python-ast.h is properly taken into account in the
http://hg.python.org/cpython/rev/874813a3523d
New changeset cfe0a293551f by Charles-François Natali in branch
Olivier Grisel added the comment:
I applied issue19946_pep_451_multiprocessing_v2.diff and I confirm that it
fixes the problem that I reported initially.
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19946
Reuben Garrett added the comment:
On Sat, Dec 14, 2013 at 2:38 PM, Gregory P. Smith rep...@bugs.python.org
wrote:
ask the gentoo python portage ebuild maintainer and point them at the
commit with the additional patch to apply if you want it fixed there. (or
file a bug on gentoo's bug tracking
Eric V. Smith added the comment:
It seems to me that by giving it an __index__ method, you're saying it can be
used as an integer. It's not surprising to me that hex(), oct(), and bin()
would work with a Grade.F object. If anything, I'd say that more places should
use __index__ than currently
Roundup Robot added the comment:
New changeset 129105f8457d by Serhiy Storchaka in branch '3.3':
Issue #19912: Fixed numerous bugs in ntpath.splitunc().
http://hg.python.org/cpython/rev/129105f8457d
New changeset 5e39c69bad21 by Serhiy Storchaka in branch 'default':
Issue #19912: Fixed numerous
Roundup Robot added the comment:
New changeset 7b0d083082ea by Serhiy Storchaka in branch '3.3':
Issue #19911: ntpath.splitdrive() now correctly processes the 'İ' character
http://hg.python.org/cpython/rev/7b0d083082ea
New changeset 63d769dfa4ef by Serhiy Storchaka in branch 'default':
Issue
Changes by Serhiy Storchaka storch...@gmail.com:
--
resolution: - fixed
stage: patch review - committed/rejected
status: open - closed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19911
Changes by Serhiy Storchaka storch...@gmail.com:
--
versions: -Python 2.7
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19911
___
___
Changes by Serhiy Storchaka storch...@gmail.com:
--
resolution: - fixed
stage: patch review - committed/rejected
status: open - closed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19912
R. David Murray added the comment:
Well, having it hang forever is a potential DOS attack, so something needs to
be fixed, I think.
--
nosy: +christian.heimes, r.david.murray
___
Python tracker rep...@bugs.python.org
New submission from Jim Carroll:
When building Python 2.7.6 on older GCC 2.x, the _ctypes module fails to build.
The failure is caused due to a header file reference to __builtin_expect (the
author expected this to be available when the module was built with gcc, but
did not take into account
Serhiy Storchaka added the comment:
Thank you Christian.
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue17919
___
___
Python-bugs-list mailing
Roundup Robot added the comment:
New changeset 7719efb182e3 by Christian Heimes in branch 'default':
Issue #18215: Add script Tools/ssl/test_multiple_versions.py to compile and
http://hg.python.org/cpython/rev/7719efb182e3
--
nosy: +python-dev
___
Changes by Christian Heimes li...@cheimes.de:
--
resolution: - fixed
stage: - committed/rejected
status: open - closed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue18215
___
Serhiy Storchaka added the comment:
I suppose that was some kind of joke, but what I meant was that we don't need
to test with 100 levels of symlinks. 2 or 3 are enough...
Yes, sorry for this joke. Your tests LGTM, but why you repeat similar code 3-4
times instead using loops?
--
Serhiy Storchaka added the comment:
I think that adding __attribute__ ((aligned (sizeof(void * to the PyObject
type (or to the ob_base field) is enough.
If first byte of structure is aligned, then first byte past the structure
should be aligned too.
--
Roundup Robot added the comment:
New changeset 1824fa874f08 by Christian Heimes in branch 'default':
Issue #19987: disable test_winsound's test_alias_fallback test when no sound
card
http://hg.python.org/cpython/rev/1824fa874f08
--
nosy: +python-dev
Vajrasky Kok added the comment:
The patch passed on Windows Vista.
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19887
___
___
Python-bugs-list
Zachary Ware added the comment:
This is a little odd, since it seems that that buildbot doesn't have a sound
card (according to _have_soundcard), but succeeded in playing a
sound...although without an ear in the room, we have no way to tell if a sound
was played or not. I'm thinking it may
Cory Benfield added the comment:
The easiest way to 'fix' the DoS problem is to throw an exception if an invalid
header is parsed. That's a backwards-compatibility problem though: things that
previously 'worked' now won't. That presumably limits the ability to back-apply
this fix to 2.7.7.
Christian Heimes added the comment:
Zach, that sounds like a really good plan.
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19987
___
___
Zachary Ware added the comment:
I'll get it committed shortly, thanks Christian.
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19987
___
___
Changes by Zachary Ware zachary.w...@gmail.com:
--
assignee: - zach.ware
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19987
___
___
R. David Murray added the comment:
I haven't looked at the code, but could we preserve the existing behavior but
apply a timeout to mitigate the DOS?
On the other hand, the fact that curl manages to return something indicates
there is probably an error recovery strategy that would work. I'm
Roundup Robot added the comment:
New changeset f590e9aeb990 by Zachary Ware in branch '2.7':
Issue #19987: Re-write test_alias_fallback in test_winsound to have two
http://hg.python.org/cpython/rev/f590e9aeb990
New changeset 5455456945d4 by Zachary Ware in branch '3.3':
Issue #19987: Re-write
Changes by Arfrever Frehtes Taifersar Arahesis arfrever@gmail.com:
--
nosy: +Arfrever
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19996
___
Cory Benfield added the comment:
Maybe. If we do it we have to apply that timeout to all the socket actions on
that HTTP connection. This would have the effect of changing the default value
of the timeout parameter on the HTTPConnection object from
socket._GLOBAL_DEFAULT_TIMEOUT to whatever
Ethan Furman added the comment:
Victor Stinner commented:
-
I never understood the difference between long (__int__ method)
and index (__index__ method). Is the difference on the behaviour
of floating point numbers?
__index__ was originally added so that non-int
STINNER Victor added the comment:
$ python
Python 2.7.5 (default, Nov 12 2013, 16:18:42)
import numpy
hex(numpy.uint16(257))
'0x101'
%x % numpy.uint16(257)
'101'
x=numpy.uint16(257)
x.__int__()
257
x.__index__()
257
--
___
Python tracker
Stefan Krah added the comment:
Ethan Furman rep...@bugs.python.org wrote:
The current meaning is unfortunate in that it is possible to want a type that
can be used as an index or slice but that is still not a number, and in fact
won't be used as a number in any scenario _except_ bin(), hex(),
Ethan Furman added the comment:
Did I mention __index__ is an unfortunate name for the current trend for this
method?
Stefan Krah commented:
--
memoryview, struct and probably also array.array accept __index__.
When you say accept __index__ do you mean for use as indices,
Stefan Krah added the comment:
Did I mention __index__ is an unfortunate name for the current trend for this
method?
Yes, but it's probably too late to change that now. Also, a fully precise
name would be something like:
__to_int_exact_iff_object_has_integer_nature__ :)
When you say
Berker Peksag added the comment:
Hi Serhiy, there are commented-out lines in changeset
http://hg.python.org/cpython/rev/e4beb183a674. Are they intentionally there?
+#if p[1:2] == ':':
+#return '', p # Drive letter present
+#firstTwo = p[0:2]
+#if firstTwo == '//' or
Roundup Robot added the comment:
New changeset 4de09cbd3b97 by Serhiy Storchaka in branch '2.7':
Removed old implementation of ntpath.splitunc() (issue #19912).
http://hg.python.org/cpython/rev/4de09cbd3b97
--
___
Python tracker
Tim Peters added the comment:
It will always complete, but may take a very long time - this is one of many
ways to write a regexp that can't match requiring time exponential in the
length of the string. It's not a bug - it's the way Python's kind of regexp
engine works. For detailed
Serhiy Storchaka added the comment:
Oh, my fault. Thank you Berker.
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19912
___
___
Ethan Furman added the comment:
Hmmm...
Well, much as I hate to say it, it's sounding like the correct solution here is
to have %o and %x work when __index__ is available, instead of the other way
around. :(
.format is not an issue because one must specify one's own if inheriting from
STINNER Victor added the comment:
Are we in agreement?
Start maybe on writing unit tests :-)
IMO all int-like objects should behave the same. I don't see any good
reason why hex(value) would succeed whereas %x % value fails. Both
should succeed (or both should fail).
--
Serhiy Storchaka added the comment:
Did I mention __index__ is an unfortunate name for the current trend for
this method?
Yes, but it's probably too late to change that now. Also, a fully precise
name would be something like:
__to_int_exact_iff_object_has_integer_nature__ :)
Perhaps
Tim Peters added the comment:
Nice to see you, Jurjen! Been a long time :-)
I'd like to see changes here too. It's unclear what a lazy version is
intended to mean, exactly, but I agree the actual behavior is surprising, and
that mpool.py is a lot less surprising in several ways.
I got
Zachary Ware added the comment:
The revised test passes on that buildbot on 3.3 and 3.x; the 2.7 build is
having permissions issues (and seems to have been for some time). Closing the
issue.
Thanks for pointing it out and approving the rewrite, Christian!
--
resolution: - fixed
Eric V. Smith added the comment:
Yes, I think adding __index__ to d, i, o, u, U, and c is the correct thing to
do here.
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19995
___
Christian Heimes added the comment:
Awesome! Thanks a lot! :)
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19987
___
___
Python-bugs-list
Guido van Rossum added the comment:
Not so fast. Currently, even in Python 3, '%d' % 3.14 returns '3'. Fixing
this will likely break a huge amount of code.
--
versions: +Python 3.5 -Python 3.4
___
Python tracker rep...@bugs.python.org
Guido van Rossum added the comment:
Also (the tracker email interface swallowed this):
it is possible to want a type that can be used as an index or slice but that
is still not a number
I'm sorry, but this requirement is absurd. An index *is* a number. You
have to make up your mind. (I
David Palms added the comment:
I am still seeing this in 2.7.5, has a patch been created yet?
--
nosy: +dpalms2011
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue7980
___
Eric V. Smith added the comment:
If you were going to make this change, I'd think you'd have to look for
__index__ and then __int__. But I'll admit I haven't thought through all of the
ramifications. It would be interesting to see what tests would break.
--
Christian Heimes added the comment:
Thanks for the report. This is a duplicate of issue #16733. I'm closing this
bug as duplicated.
--
nosy: +christian.heimes
resolution: - duplicate
stage: - committed/rejected
status: open - closed
versions: +Python 3.3, Python 3.4
Christian Heimes added the comment:
The ctypes issue also affects test_uuid. #19045 is a duplicate of this bug, too.
==
FAIL: test_ints (ctypes.test.test_bitfields.C_Test)
New submission from Christian Heimes:
I have seen this failure multiple times.
http://buildbot.python.org/all/builders/x86%20OpenIndiana%203.x/builds/7353/steps/test/logs/stdio
==
FAIL: test_monotonic
Antoine Pitrou added the comment:
why you repeat similar code 3-4 times instead using loops?
For no real reason :) I'll try with a loop.
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19887
Antoine Pitrou added the comment:
Ah, I remember. Using subtests would make it more annoying to backport to 2.7.
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19887
___
New submission from Christian Heimes:
The new method SSLContext.get_ca_certs() returns all certificates in the
context's trusted X509_STORE. I recently found out that it is possible to put a
self-signed certificate into the store and use it successfully with verify_mode
CERT_REQUIRED.
Roundup Robot added the comment:
New changeset 12a52186b4fd by Antoine Pitrou in branch 'default':
Issue #19887: Improve the Path.resolve() algorithm to support certain symlink
chains.
http://hg.python.org/cpython/rev/12a52186b4fd
--
nosy: +python-dev
Antoine Pitrou added the comment:
Thanks a lot for the patch!
--
resolution: - fixed
stage: patch review - committed/rejected
status: open - closed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19887
Cory Benfield added the comment:
An update: in Python 2.7 through 3.3, fixing this should only affect
http.client/httplib, because they do most of their header parsing themselves.
Fixing this in later versions of Python is more interesting, as http.client got
rewritten to use email.parser
Christian Heimes added the comment:
Example:
$ openssl s_server -cert Lib/test/ssl_cert.pem -key Lib/test/ssl_key.pem
$ ./python
import ssl
ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv3)
ctx.verify_mode = ssl.CERT_REQUIRED
ctx.check_hostname = True
Antoine Pitrou added the comment:
Note that the description of the POSIX mkdir utility (*) has something a bit
more complex to say about the `-p` option. Instead of simply applying the
default umask, it computes (S_IWUSR|S_IXUSR|~filemask)0777 as the mode
argument, where filemask is the file
Cory Benfield added the comment:
Actually, that might be OK. I don't know the email package at all, but I
suspect being able to handle empty header keys (by ignoring them) is a
reasonable thing to do in the email case as well. Thoughts?
--
___
New submission from Antoine Pitrou:
The inheritance diagram at http://docs.python.org/dev/library/pathlib.html is
too large, it can easily take up half the vertical space (or perhaps all of it
on a smaller screen).
The font size looks fine, it's just that there's a lot of spacing around.
(of
Roundup Robot added the comment:
New changeset 87b81b7df7f0 by Antoine Pitrou in branch 'default':
Issue #19921: When Path.mkdir() is called with parents=True, any missing parent
is created with the default permissions, ignoring the mode argument (mimicking
the POSIX mkdir -p command).
Changes by Antoine Pitrou pit...@free.fr:
--
resolution: - fixed
stage: patch review - committed/rejected
status: open - closed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19921
___
Changes by Serhiy Storchaka storch...@gmail.com:
--
nosy: +pitrou
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19930
___
___
Python-bugs-list
Tim Peters added the comment:
Just for interest, I'll attach the worm-around I mentioned (imu.py). At this
level it's a very simple implementation, but now that I look at it, it's
actually a lazy implementation of imap() (or of an unimaginative ;-)
imap_unordered()).
--
Added file:
New submission from Serhiy Storchaka:
Here is a patch which contains many small cleanups and optimizations for the
pathlib module. Not all of them can be backported to 2.7 version.
--
assignee: pitrou
components: Library (Lib)
files: pathlib_cleanup.patch
keywords: patch
messages:
Christian Heimes added the comment:
Here is a patch.
--
keywords: +patch
Added file: http://bugs.python.org/file33168/issue19919.patch
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19919
___
Antoine Pitrou added the comment:
Looks fine to me.
--
stage: - patch review
versions: +Python 3.3
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19919
___
Cory Benfield added the comment:
Alright, here's a patch for the current tip. I'll need to prepare a different
patch for earlier versions of Python, which will take me a little while longer
to do (maybe not today). I've also signed a contributor agreement, but it
doesn't look like that's
Roundup Robot added the comment:
New changeset 40955ae17472 by Christian Heimes in branch '3.3':
Issue #19919: Fix flacky SSL test. connect_ex() sometimes returns
http://hg.python.org/cpython/rev/40955ae17472
New changeset 593c3fa7aa2c by Christian Heimes in branch 'default':
Issue #19919: Fix
Christian Heimes added the comment:
Thanks!
--
resolution: - fixed
stage: patch review - committed/rejected
status: open - pending
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19919
___
Ethan Furman added the comment:
Eric V. Smith commented:
If you were going to make this change, I'd think you'd have to look
for __index__ and then __int__.
Does the order matter? Are there any types (and should there be) that would
have both and return different
Antoine Pitrou added the comment:
I'm with Guido: it doesn't really make sense to allow __index__ but not __int__
on a type. So trying __index__ in str.format() sounds like a distraction.
--
___
Python tracker rep...@bugs.python.org
Antoine Pitrou added the comment:
Ok, since it makes backporting more tedious, I'd rather keep this for post-3.4.
--
versions: +Python 3.5 -Python 3.4
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue20002
Changes by Arfrever Frehtes Taifersar Arahesis arfrever@gmail.com:
--
nosy: +Arfrever
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue2
___
Changes by Arfrever Frehtes Taifersar Arahesis arfrever@gmail.com:
--
nosy: +Arfrever
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue19995
___
Arfrever Frehtes Taifersar Arahesis added the comment:
Modules/_ctypes/libffi directory contains a copy of externally maintained
libffi library. Please report problem to libffi maintainers:
https://github.com/atgreen/libffi
--
nosy: +Arfrever
___
Ethan Furman added the comment:
Antoine Pitrou opined:
--
I'm with Guido: it doesn't really make sense to allow __index__ but not
__int__ on
a type. So trying __index__ in str.format() sounds like a distraction.
-- hex(3.14) # calls __index__
Traceback (most recent
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