[issue7367] OSError [errno 13] permission denied

New submission from Jay Lugo : I spend the better part of a day figuring out this relatively simple problem with the help files in IDLE with python 2.6 on a mac OSX I came about the solution by following the code errors all over up and down the program files. Eventual I came about the public fo

[issue7342] str(datetime_obj) doesn't include microseconds if their value is 0

Ezio Melotti added the comment: If __str__ is supposed to produce "nice" output, the microsecond shouldn't be visible at all imho (special cases are not special enough to break the rules). If the date/time object is read by a human he probably doesn't care of the microseconds anyway, if it's

[issue7366] weakref module example relies on behaviour not guaranteed by id()

James Henstridge added the comment: Forgot to include a link to the documentation I was talking about: http://docs.python.org/library/weakref#example This example also appears in the 2.7a0 and 3.2a0 documentation. -- ___ Python tracker

[issue7366] weakref module example relies on behaviour not guaranteed by id()

New submission from James Henstridge : The documentation for the weakref module contains an example that uses WeakValueDictionary to implement a id2obj() lookup function that doesn't store strong references to those objects. This example implicitly assumes that the id() of an object will be uniq

[issue7311] Bug on regexp of HTMLParser

Chiyuan Zhang added the comment: re: Yes. In fact, the BTW is a different problem with respect to this bug. And that seems to be more complicated to fix. -- ___ Python tracker __

[issue7361] Strange importlib error during test_multiprocessing failure

R. David Murray added the comment: This was on a buildbot, and regrtest -j isn't used there, but in any case it wouldn't affect importlib as far as I know. From the traceback it looks like multiprocessing is just doing an import. -- ___ Python track

[issue7311] Bug on regexp of HTMLParser

Glenn Linderman added the comment: Re: the BTW -- < and > should be entity-escaped when used in attribute values inside tag attributes... (but are probably seldom found as part of tag attribute values) But the example you showed is not an attribute in a tag, but rather text within a paired tag.

[issue7361] Strange importlib error during test_multiprocessing failure

Brett Cannon added the comment: And it looks like the error was triggered from a malformed .pyc file that was truncated. Guess I need to be more careful with that possibility. =) -- ___ Python tracker

[issue444582] Finding programs in PATH, addition to os

Changes by Brett Cannon : -- nosy: -brett.cannon ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.

[issue7361] Strange importlib error during test_multiprocessing failure

Brett Cannon added the comment: I will obviously have a look, but why the heck is test_multiprocessing calling importlib? Is it meant to do that? Or is this part of the -j flag for regrtest? -- assignee: -> brett.cannon ___ Python tracker

[issue6594] json C serializer performance tied to structure depth on some systems

Bob Ippolito added the comment: Did you try the trunk of simplejson? It doesn't work quite the same way as the current json module in Python 2.6+. Without the data or a tool to produce data that causes the problem, there isn't much I can do to help. -- __

[issue6594] json C serializer performance tied to structure depth on some systems

Valentin Kuznetsov added the comment: Hi, I just found this bug and would like to add my experience with performance of large JSON docs. I have a few JSON docs about 180MB in size which I read from data-services. I use python2.6, run on Linux, 64- bit node w/ 16GB of RAM and 8 core CPU, Intel

[issue7360] [mailbox] race: mbox may lose data with concurrent access

Changes by Antoine Pitrou : -- nosy: +akuchling ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.pyth

[issue7359] mailbox cannot modify mailboxes in system mail spool

Antoine Pitrou added the comment: The same remark as in issue7360, that is it is not robust at all to overwrite the file rather than doing an atomic rename from a temporary file. The only possible exception would be if you only /append/ to the mbox file (and that's assuming all mailbox-reading s

[issue5683] Speed up cPickle's pickling generally

Antoine Pitrou added the comment: Are you still willing to work on this? -- versions: +Python 3.2 -Python 3.1 ___ Python tracker ___ _

[issue7365] grp and pwd should treat uid and gid as unsigned

New submission from Ed Plese : Both Linux and Solaris define uid_t and gid_t as unsigned integers. The pwd and grp modules cast these to signed long values that are then converted with PyInt_FromLong. For large values, greater than 2 ** 32 - 1, the result is correct when Python is compiled as a

[issue7364] Traceback contains incorrect line number for duplicate argument in lambda definition

Benjamin Peterson added the comment: Fixed in r76423. -- nosy: +benjamin.peterson resolution: -> fixed status: open -> closed ___ Python tracker ___

[issue7364] Traceback contains incorrect line number for duplicate argument in lambda definition

New submission from James Lingard : The following python file: lambda a, a: 0 when executed gives the following backtrace: File "/tmp/test.py", line 0 SyntaxError: duplicate argument 'a' in function definition Note that the line number is 0, not 1. (It's always 0, regardless of the p

[issue7363] Inconsisten Indentation In SocketServer Docs

New submission from Yuv Gre : A bit nitpicky but there are 3 spaces instead of 4 in the docs. This is relevant to py3k and trunk. http://docs.python.org/library/socketserver.html#socketserver-udpserver- example -- assignee: georg.brandl components: Documentation files: 3-spaces-udp-ser

[issue7353] cporting docs recommend using Include/intobject.h, which was removed in 3.1?

Benjamin Peterson added the comment: Hmm, I wish intobject.h hadn't been removed so soon. I'm not really sure how a file of #defines could suffer bitrot. This point is probably moot, though because there's little point in having its presence skip a version. I suppose sticking it in Tools or even

[issue7362] Incorrect error message with def((x)=0)

Benjamin Peterson added the comment: Fixed in r76416. -- nosy: +benjamin.peterson resolution: -> fixed status: open -> closed ___ Python tracker ___

[issue7362] Incorrect error message with def((x)=0)

New submission from James Lingard : def f((x)=0): pass gives the following incorrect error message: SyntaxError: non-default argument follows default argument "def f((x)): pass" is treated exactly the same as "def f(x): pass", so it would seem sensible for the same to be true if a default va

[issue444582] Finding programs in PATH, addition to os

Changes by Andy Buckley : -- nosy: +andybuckley ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.py

[issue7356] parsing of ldconfig output in ctypes/utils.py depends on the locale

Thomas Heller added the comment: I assume the patch is fine, would you like to apply it? Thanks. -- ___ Python tracker ___ ___ Python

[issue7355] Struct incorrectly compiles format strings

Mark Dickinson added the comment: I'm half-convinced that struct.pack *should* ideally add trailing padding in the same situation that C does, for consistency with C. Then calcsize would match C's sizeof. If you're writing or reading a struct from C, it's probably easiest/most natural to wr

[issue7361] Strange importlib error during test_multiprocessing failure

New submission from R. David Murray : One of the buildbots suffered a test_multiprocessing failure, which itself is not such an unusual thing. But the error that was subsequently thrown looks like it might point to a place where importlib's error handling could be improved. The error that was t

[issue7355] Struct incorrectly compiles format strings

Mark Dickinson added the comment: > Just for clarification, why does "ci" get padded but "ic" doesn't? Because no padding is necessary in the second case: both the integer and the character already start at a position that's a multiple of 4---the integer at position 0 and the character at po

[issue7355] Struct incorrectly compiles format strings

Eric Smith added the comment: It's basically because nothing comes after it. If you put something after it, such as a zero length integer, you'll see: >>> from struct import calcsize >>> calcsize("ci") 8 >>> calcsize("ic") 5 >>> calcsize("ic0i") 8 -- __

[issue7355] Struct incorrectly compiles format strings

Steve Krenzel added the comment: Just for clarification, why does "ci" get padded but "ic" doesn't? While I agree that updating the documentation would help clarify, perhaps either everything should be padded to word boundaries or nothing should. It is weird behavior that "ic" != "ci". If bo

[issue7117] Backport py3k float repr to trunk

Mark Dickinson added the comment: Short float repr is now enabled in r76379. Misc/NEWS entries added/updated in r76411. -- ___ Python tracker ___ ___

[issue7356] parsing of ldconfig output in ctypes/utils.py depends on the locale

Matthias Klose added the comment: $ LANG=C /sbin/ldconfig -p | fgrep GL libGLU.so.1 (libc6) => /usr/lib/libGLU.so.1 libGLEW.so.1.5 (libc6) => /usr/lib/libGLEW.so.1.5 libGL.so.1 (libc6, OS ABI: Linux 2.4.20) => /usr/lib/libGL.so.1 -- _

[issue7351] Documentation typos found in "zipfile — Work with ZIP archives"

Retro added the comment: I made a patch which fixes the BadZipfile issue. Please take a look and decide whether you'll toss it or use it. Maybe it'll come handy some other time in the future. -- keywords: +patch Added file: http://bugs.python.org/file15365/zipfile-patch.diff __

[issue7358] cPickle crash on failed assertion

Ryan Shaw added the comment: I can't reproduce this in a self-contained script. Pickling a smaller cluster object and storing it in Redis works fine. The cluster object that caused the crash was large, a binary tree with >5000 leaves holding the results of a nine-hour calculation. --

[issue7179] Unportable test(1) construct

Ronald Oussoren added the comment: Fixed the postflight issue in r76407 (trunk), r76408 (2.6), r76409 (3.2) and r76410 (3.1). -- resolution: -> fixed stage: -> committed/rejected status: open -> closed ___ Python tracker

[issue7358] cPickle crash on failed assertion

Ryan Shaw added the comment: r is the Redis python client. cluster is a large cluster tree along the lines of the cluster_node class found here: http://jesolem.blogspot.com/2009/04/hierarchical-clustering-in-python.html -- ___ Python tracker

[issue7180] "pydoc -k" can generate AttributeError on Mac OS X

Ronald Oussoren added the comment: The problem occurs in two occassions: 1) python was configured/built without the Carbon bindings (such as the copy that Apple ships) 2) python was build in 64-bit mode In both cases Carbon.File does not have an FSSpec type. Luckily this has already been f

[issue7356] parsing of ldconfig output in ctypes/utils.py depends on the locale

Thomas Heller added the comment: I'm curious: Which output do you get from: 'LANG=C /sbin/ldconfig -p | fgrep GL' -- ___ Python tracker ___ ___

[issue7144] imp.load_module in thread causes core dump on OSX 10.6

Ronald Oussoren added the comment: I've just committed a fix for this issue in all 4 active branches (2.6, 2.7, 3.1 and 3.2) -- resolution: -> fixed status: open -> closed ___ Python tracker _

[issue7085] strptime problem

Ronald Oussoren added the comment: I committed a fix in r76403 (trunk), r76404 (2.6), r76405 (3.2), 76406 (3.1) -- resolution: -> fixed status: open -> closed ___ Python tracker __

[issue5080] PyArg_Parse* should raise TypeError for float parsed with integer format

Changes by Ezio Melotti : -- nosy: +ezio.melotti ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.pyt

[issue5080] PyArg_Parse* should raise TypeError for float parsed with integer format

Antoine Pitrou added the comment: +1 for a TypeError too. -- nosy: +pitrou priority: -> normal stage: -> needs patch ___ Python tracker ___

[issue7360] [mailbox] race: mbox may lose data with concurrent access

Antoine Pitrou added the comment: Actually, the doc is quite clear about it: « Be very cautious when modifying mailboxes that might be simultaneously changed by some other process. The safest mailbox format to use for such tasks is Maildir; try to avoid using single-file formats such as mbox fo

[issue5827] os.path.normpath doesn't preserve unicode

Ezio Melotti added the comment: failUnless is deprecated in Python3.1 [1]. The assert* methods are preferred over the fail* ones that are now deprecated. [1]: http://docs.python.org/3.1/library/unittest.html#unittest.TestCase.failUnless -- ___ Pytho

[issue7360] [mailbox] race: mbox may lose data with concurrent access

Antoine Pitrou added the comment: Oops, sorry: > I don't think this class aims at being safe against concurrent access, > so having it fail loudly is a good thing. I now understand that the problem is that it doesn't fail loudly. That's what I get for replying too quickly. Still, I don't think

[issue5827] os.path.normpath doesn't preserve unicode

Erik Carstensen added the comment: Also, assertTrue has an alias failUnless which I personally find more descriptive (I don't know if either form is preferred for inclusion in Python though). -- ___ Python tracker

[issue3783] dbm.sqlite proof of concept

Changes by Antoine Pitrou : -- stage: -> needs patch versions: +Python 3.2 -Python 3.1 ___ Python tracker ___ ___ Python-bugs-list mai

[issue3783] dbm.sqlite proof of concept

Runar Tenfjord added the comment: By utilizing triggers on inserts and deletes it is possible to keep track of the size and speed up __len__ by 10 x. SQL: CREATE TABLE IF NOT EXISTS info (key TEXT UNIQUE NOT NULL, value INTEGER NOT NULL); INSERT OR IGNORE INTO info (key,value) VALUES (

[issue7360] [mailbox] race: mbox may lose data with concurrent access

Antoine Pitrou added the comment: > the mailbox._singlefileMailbox class is not safe with concurrent access, > because mailbox._singlefileMailbox.flush() replaces the underlying file > with a new copy by constructing a temporary file and then renaming it. > This breaks all other class instances

[issue5827] os.path.normpath doesn't preserve unicode

Ezio Melotti added the comment: assertTrue() also accepts a 'msg' argument where to explain what went wrong in case of failure [1]. [1]: http://docs.python.org/library/unittest.html#unittest.TestCase.assertTrue -- ___ Python tracker

[issue7357] tarfile doesn't detect disk full error on extraction

Lars Gustäbel added the comment: The TarFile constructor (as well as tarfile.open) takes an errorlevel keyword argument. See http://docs.python.org/dev/library/tarfile.html#tarfile-objects I quote: "If errorlevel is 0, all errors are ignored when using TarFile.extract(). Nevertheless, they appe

[issue7351] Documentation typos found in "zipfile — Work with ZIP archives"

Ezio Melotti added the comment: It might be doable for Python and its stdlib, but all the programs and modules that are using the old name will start raising errors if they don't find the old name anymore. If the old name is deprecated for at least one Python version (e.g. 2.7/3.2), these progra

[issue7360] [mailbox] race: mbox may lose data with concurrent access

Changes by Matthias Klose : Added file: http://bugs.python.org/file15364/mailbox-race.py ___ Python tracker ___ ___ Python-bugs-list mailing li

[issue7360] [mailbox] race: mbox may lose data with concurrent access

New submission from Matthias Klose : [forwarded from http://bugs.debian.org/451733] the mailbox._singlefileMailbox class is not safe with concurrent access, because mailbox._singlefileMailbox.flush() replaces the underlying file with a new copy by constructing a temporary file and then renaming

[issue7359] mailbox cannot modify mailboxes in system mail spool

New submission from Matthias Klose : no change in behaviour in 2.6 the mailbox module in python 2.5 cannot modify mboxes in read-only directories, e.g. the system mail spool. This is because mailbox._singlefileMailbox.flush() tries to write the modified mailbox to a temporary file and then rena

[issue7351] Documentation typos found in "zipfile — Work with ZIP archives"

Retro added the comment: I am merely speaking of renaming the class name from BadZipfile to BadZipFile. class BadZipFile(exceptions.Exception): # etc. Only the name is fixed at class definition. I am aiming for that in this bug report. And then every other BadZipfile should be fixed to B

[issue7358] cPickle crash on failed assertion

Eric Smith added the comment: What are the types and values of cluster and r? Can you reproduce this in a self-contained script? -- nosy: +eric.smith ___ Python tracker ___

[issue1859] textwrap doesn't linebreak on "\n"

Guido van Rossum added the comment: I think the code originally wasn't meant to support this feature (honor embedded newlines when replace_whitespace=False). I'm thinking that we could add it though. Maybe Mark is interested in getting this into 2.7 and 3.2? I imagine it needs a new unittes

[issue7358] cPickle crash on failed assertion

New submission from Ryan Shaw : def save_object(r, key, m): r.set(key, cPickle.dumps(m)) [4] >>> save_object(r, 'cluster', cluster) python: ./Modules/cStringIO.c:419: O_cwrite: Assertion `oself->pos + l < 2147483647' failed. Aborted Linux 2.6.30.9-96.fc11.x86_64 #1 SMP x86_64 GNU/Linux --

[issue7357] tarfile doesn't detect disk full error on extraction

New submission from Eli Venter : tarfile doesn't seem to return any error or raise any exception when an extraction fills up the disk, making it hard to use safely. Both extractall and extract suffer from this problem. I'm using CentOS 5.2 and python 2.6.2. -- components: Library (Lib) m

[issue7355] Struct incorrectly compiles format strings

Mark Dickinson added the comment: Reopening for possible doc clarification. Suggestions welcome! -- assignee: -> mark.dickinson components: +Documentation, Extension Modules -Library (Lib) keywords: +easy priority: -> low resolution: invalid -> stage: committed/rejected -> needs pat

[issue5833] readline update

Antoine Pitrou added the comment: > Can we close the report? Well there's something else in the original patch, although I don't care about it. -- ___ Python tracker ___ ___

[issue7353] cporting docs recommend using Include/intobject.h, which was removed in 3.1?

Changes by R. David Murray : -- nosy: -r.david.murray ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: http://ma

[issue7353] cporting docs recommend using Include/intobject.h, which was removed in 3.1?

R. David Murray added the comment: You didn't. Doc bugs are automatically assigned to Georg by the tracker. -- nosy: +r.david.murray priority: -> normal stage: -> needs patch title: Why was Include/intobject.h removed in 3.1? -> cporting docs recommend using Include/intobject.h, whi

[issue7351] Documentation typos found in "zipfile — Work with ZIP archives"

Ezio Melotti added the comment: The old name could be deprecated and replaced by the right one, but as Eric Smith mentioned on #python-dev, the class with the old name can't be removed because - even if unlikely - the object might exist in a pickle. So we can either live with the wrong name or d

[issue5833] readline update

Matthias Klose added the comment: msg94560 should read "backported to the 2.6 branch". can we close the report? -- nosy: +doko ___ Python tracker ___

[issue7356] parsing of ldconfig output in ctypes/utils.py depends on the locale

New submission from Matthias Klose : % /sbin/ldconfig -p | grep GL libGLU.so.1 (libc6) => /usr/lib/libGLU.so.1 libGLEW.so.1.5 (libc6) => /usr/lib/libGLEW.so.1.5 libGL.so.1 (libc6, Système d'exploitation ABI : Linux 2.4.20) => /usr/lib/libGL.so.1 the regexp fails to parse this. propos

[issue7355] Struct incorrectly compiles format strings

Mark Dickinson added the comment: What Eric said. You can see the padding explicitly in the results of struct.pack: >>> struct.pack("ci", '*', 0x12131415) # 8-byte result, 3 padding bytes '*\x00\x00\x00\x15\x14\x13\x12' >>> struct.pack("ic", 0x12131415, '*') # 5-byte result, no padding. '\x15\

[issue7351] Documentation typos found in "zipfile — Work with ZIP archives"

Retro added the comment: I suggest renaming the class from BadZipfile to BadZipFile. We have a class named LargeZipFile. It would make sence to have the previously mentioned class named as BadZipFile then. What is your verdict on that? -- ___ Python

[issue6454] Add "example" keyword argument to optparse constructor

Marcin Kasperski added the comment: I found this bug while looking for suggestions how to add examples to the optparse help call, but I feel there is a better and more general solution - just provide some minimal formatting for description: treat empty line as paragraph separator. Then I would b

[issue7353] Why was Include/intobject.h removed in 3.1?

Mark Dickinson added the comment: I didn't mean to assign this to Georg. Apologies. -- assignee: georg.brandl -> ___ Python tracker ___

[issue7353] Why was Include/intobject.h removed in 3.1?

Mark Dickinson added the comment: > However, that header file was removed in this commit: > http://svn.python.org/view?view=rev&revision=71697 Hmm. That was me. > with this message: > Issue #4910: PyNumber_Int is deprecated in 3.0.1; will be removed in > 3.1. That's the message for r6951

[issue1859] textwrap doesn't linebreak on "\n"

Tom Lynn added the comment: This bug should be re-opened, since there is definitely a bug here. I think the patch was incorrectly rejected. If I can expand palfrey's example: from textwrap import * T = TextWrapper(replace_whitespace=False, width=75) text = '''\ a a a a a

[issue7355] Struct incorrectly compiles format strings

Eric Smith added the comment: It's a padding issue, having to do with putting values at the correct word boundaries. -- nosy: +eric.smith resolution: -> invalid stage: -> committed/rejected status: open -> closed ___ Python tracker

[issue5862] multiprocessing 'using a remote manager' example errors and possible 'from_address' code leftover

Changes by Alexander Dutton : -- nosy: +alexdutton ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.p

[issue7355] Struct incorrectly compiles format strings

New submission from Steve Krenzel : The struct module has a calcsize() method which reports the size of the data for a specified format string. In some instances, to the best of my knowledge, this is wrong. To repro: >>> from struct import calcsize >>> calcsize("ci") 8 >>> calcsize("ic") 5 Th

[issue1488943] difflib.Differ() doesn't always add hints for tab characters

Phillip Hellewell added the comment: Please apply the patch ASAP. This bug is affecting downstream product viewvc in a very adverse way. See http://viewvc.tigris.org/issues/show_bug.cgi?id=436 It's sad that I spent several hours tracking down this bug only to find out that henryl found it and

[issue6816] Provide CPython command line functionality via runpy module

Changes by Chris Withers : -- nosy: -cjw296 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.