anatoly techtonik techto...@gmail.com added the comment:
I am an almost complete 0 in C system programming and in DTrace matters,
but I feel like DTrace has a potential to help me understand internal
CPython processes better. If maintenance of the code with DTrace is hard,
there are several ways
Charles-François Natali neolo...@free.fr added the comment:
A dict can contain non-orderable keys, I don't know how an AVL tree
can fit into that.
They may be non-orderable, but since they are required to be hashable,
I guess one can build an comparison function with the following:
def
Frank Sievertsen pyt...@sievertsen.de added the comment:
They may be non-orderable, but since they are required to be hashable,
I guess one can build an comparison function with the following:
Since we are are trying to fix a problem where hash(X) == hash(Y), you
can't make them orderable by
Changes by Senthil Kumaran sent...@uthcode.com:
--
assignee: - orsenthil
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue13736
___
___
Charles-François Natali neolo...@free.fr added the comment:
Since we are are trying to fix a problem where hash(X) == hash(Y), you
can't make them orderable by using the hash-values and build a binary
out of the (equal) hash-values.
That's not what I suggested.
Keys would be considered equal
Frank Sievertsen pyt...@sievertsen.de added the comment:
The hash value is just used to know if the key belongs to the left
or the right child tree.
Yes, that's what I don't understand: How can you do this, when ALL
hash-values are equal.
--
___
Martijn van Oosterhout klep...@gmail.com added the comment:
What a concidence, we had this problem as well and just today tracked it down,
and turns out someone filed this bug yesterday.
I note the referenced bug (#13156) says that it's been fixed in the release
branch but not yet released. I
Charles-François Natali neolo...@free.fr added the comment:
Yes, that's what I don't understand: How can you do this, when ALL
hash-values are equal.
You're right, that's stupid.
Short night...
--
___
Python tracker rep...@bugs.python.org
Marc-Andre Lemburg m...@egenix.com added the comment:
Charles-François Natali wrote:
Anyway, I still think that the hash randomization is the right way to
go, simply because it does solve the problem, whereas the collision
counting doesn't: Martin made a very good point on python-dev with
Roundup Robot devn...@psf.upfronthosting.co.za added the comment:
New changeset b60c789c4ccd by Vinay Sajip in branch '2.7':
Closes #13807: Now checks for sys.stderr being there before writing to it.
http://hg.python.org/cpython/rev/b60c789c4ccd
New changeset 73dad4940b88 by Vinay Sajip in
Vinay Sajip vinay_sa...@yahoo.co.uk added the comment:
Refactoring in 57295c4d81ac supports this use case.
--
resolution: - fixed
stage: - committed/rejected
status: open - closed
___
Python tracker rep...@bugs.python.org
Maxim Yegorushkin maxim.yegorush...@gmail.com added the comment:
I am still having this issue with Python-2.7.2 (which includes the patch) and
openssl-devel-1.0.0e-1.fc14.x86_64:
File ./download.py, line 195, in download_file
ftp.retrbinary(retr + filename, lambda data:
STINNER Victor victor.stin...@haypocalc.com added the comment:
Note that the collision counting demo patch is trivial - I just
wanted to demonstrate how it works. As already mentioned, there's
room for improvement:
If Python objects were to provide an additional
method for calculating a
Antoine Pitrou pit...@free.fr added the comment:
I think the general pattern of wrapping exceptions in other exceptions is
rather unfortunate. It makes it harder to examine the original problem (for
example the ``errno`` attribute) for no actual gain.
--
nosy: +pitrou
Charles-François Natali neolo...@free.fr added the comment:
So you get the best of both worlds and randomization would only
kick in when it's really needed to keep the application running.
Of course, but then the collision counting approach loses its main
advantage over randomized hashing:
Roundup Robot devn...@psf.upfronthosting.co.za added the comment:
New changeset e63e2471f46f by Łukasz Langa in branch 'default':
#13760: picklability tests for configparser exceptions
http://hg.python.org/cpython/rev/e63e2471f46f
New changeset 76077971ee1f by Łukasz Langa in branch '3.2':
Changes by Ezio Melotti ezio.melo...@gmail.com:
--
stage: - needs patch
type: - enhancement
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue13822
___
Changes by Antoine Pitrou pit...@free.fr:
--
nosy: +ncoghlan
versions: +Python 3.3 -Python 2.7, Python 3.4
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue13814
___
Jim Jewett jimjjew...@gmail.com added the comment:
Ignoring non-ascii whitespace is defensible, and I agree that it should match
the rest of the parser. Ignoring 2nd lines is still a problem, and supposedly
part of what got fixed. Test case:
s=x=5 # comment
x=6
compile(s, testbadsingle,
Benjamin Peterson benja...@python.org added the comment:
$ ./python
Python 3.3.0a0 (default:50a4af2ca654+, Jan 20 2012, 10:59:48)
[GCC 4.5.3] on linux
Type help, copyright, credits or license for more information.
s=x=5 # comment
... x=6
...
compile(s, blah, single)
Traceback (most recent
Roundup Robot devn...@psf.upfronthosting.co.za added the comment:
New changeset 5ecf650ede7c by Łukasz Langa in branch '2.7':
Fixes #13760: picklability of ConfigParser exceptions
http://hg.python.org/cpython/rev/5ecf650ede7c
--
___
Python tracker
Łukasz Langa luk...@langa.pl added the comment:
3.2 and 3.3 already worked as expected. For 2.7 I did the __reduce__ workaround
that's also used by SQLAlchemy.
--
resolution: - fixed
stage: test needed - committed/rejected
status: open - closed
type: - behavior
Jyotirmoy Bhattacharya jyotir...@jyotirmoy.net added the comment:
Antoine, could raise ... from be used here? Perhaps also using new subclasses
of URLError to allow the exceptions to be caught with finer granularity. That
way no information would be lost while at the same time not surprising
Changes by Giampaolo Rodola' g.rod...@gmail.com:
--
nosy: +giampaolo.rodola
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue13822
___
___
Antoine Pitrou pit...@free.fr added the comment:
Antoine, could raise ... from be used here?
That's a possible compromise indeed. It's up to Senthil to decide
anyway.
Perhaps also using new subclasses of URLError to allow the exceptions
to be caught with finer granularity. That way no
Jim Jewett jimjjew...@gmail.com added the comment:
Marc-Andre Lemburg:
So you get the best of both worlds and randomization would only
kick in when it's really needed to keep the application running.
Charles-François Natali
The only argument in favor the collision counting is that it will
Guido van Rossum gu...@python.org added the comment:
On Thu, Jan 19, 2012 at 8:58 PM, Frank Sievertsen rep...@bugs.python.orgwrote:
Frank Sievertsen pyt...@sievertsen.de added the comment:
That's true. But without the suffix, I can pretty easy and efficient
guess the prefix by just
Jim Jewett jimjjew...@gmail.com added the comment:
On Fri, Jan 20, 2012 at 7:58 AM, STINNER Victor
If the hash output depends on an argument, the result cannot be
cached.
They can still be cached in a separate dict based on id, rather than
string contents.
It may also be possible to cache
Antoine Pitrou pit...@free.fr added the comment:
Do you think it would be possible to add a test for valid compressed data that
used to trigger the check?
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue13806
STINNER Victor victor.stin...@haypocalc.com added the comment:
I ran the test suite of Twisted 11.1 using a limit of 20 collisions:
there is no test failing because of hash collisions.
--
___
Python tracker rep...@bugs.python.org
Faheem Mitha fah...@faheem.info added the comment:
Thanks for the quick attention to this, Lukasz. I'm just curious. Why do 3.2
and 3.3 already work? My understanding was that the basic exception issue in
http://bugs.python.org/issue1692335 was still open.
--
Changes by Jean-Lou Dupont jeanlou.dup...@gmail.com:
--
nosy: +Jean-Lou.Dupont
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue11076
___
___
Brett Cannon br...@python.org added the comment:
Can you isolate the cause? There is way too much in that core dump to try to
debug the problem. Without knowing what code in this Moviegrabber app caused
the bug we can't do anything to debug the issue.
--
nosy: +brett.cannon
status:
Changes by Jesús Cea Avión j...@jcea.es:
--
stage: - patch review
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue13405
___
___
Python-bugs-list
Dan kamp bitbuc...@roontoon.com added the comment:
On Jan 20, 2012, at 4:20 PM, Brett Cannon wrote:
Can you isolate the cause? There is way too much in that core dump to try to
debug the problem. Without knowing what code in this Moviegrabber app caused
the bug we can't do anything to
Dave Malcolm dmalc...@redhat.com added the comment:
On Fri, 2012-01-06 at 12:52 +, Marc-Andre Lemburg wrote:
Marc-Andre Lemburg m...@egenix.com added the comment:
Demo patch implementing the collision limit idea for Python 2.7.
--
Added file:
Terry J. Reedy tjre...@udel.edu added the comment:
Confirmed with on 3.2.2 Win7 for all three methods.
Docs say .append should raise AssertionError (see below).
However, that is unusual and TypeError is normal practice.
I am not sure what to do.
Our docs say: '''
append(subelement)
Adds the
Terry J. Reedy tjre...@udel.edu added the comment:
Doc patch attached to make sure correct. Should {} be quoted?
Eric, do you want to close off the idea of changing :d errors, or switch back
after the doc fix?
--
keywords: +patch
nosy: +terry.reedy
stage: - test needed
Added file:
Jesús Cea Avión j...@jcea.es added the comment:
My point about DTrace probes is not performance per-se but observability.
An OS with DTrace support can be completely inspected and shows you ALL the
inner working. You can see a particular pattern in the operating system and
locate the syscalls
Eric V. Smith e...@trueblade.com added the comment:
I don't think {} is the correct way to document this. These all have an empty
format specifier:
{}.format(foo)
{:}.format(foo)
{0}.format(foo)
{0:}.format(foo)
{name}.format(name=foo)
format(foo, )
format(foo)
That is, they all call
Terry J. Reedy tjre...@udel.edu added the comment:
Pedro and Patrick: if you are going to respond by email rather than by typing
in the browser box, PLEASE delete the quoted text. Or on occasion, quote a line
or two if really necessary, as when responding to a previous message other than
the
Changes by Terry J. Reedy tjre...@udel.edu:
--
resolution: - duplicate
status: open - closed
superseder: - Pasted \n not same as typed \n
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue13798
Changes by Terry J. Reedy tjre...@udel.edu:
--
nosy: +terry.reedy
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue13799
___
___
Python-bugs-list
Terry J. Reedy tjre...@udel.edu added the comment:
I am closing this because map has even less chance of being made a collection
method than join. Unlike join, map takes any positive number of iterables as
args, not just one. 'Iterables' includes iterators, which intentionally need
have no
Changes by Terry J. Reedy tjre...@udel.edu:
--
nosy: +jnoller
stage: - test needed
versions: -Python 3.4
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue13812
___
Dave Malcolm dmalc...@redhat.com added the comment:
On Fri, 2012-01-20 at 22:55 +, Dave Malcolm wrote:
Dave Malcolm dmalc...@redhat.com added the comment:
On Fri, 2012-01-06 at 12:52 +, Marc-Andre Lemburg wrote:
Marc-Andre Lemburg m...@egenix.com added the comment:
Demo patch
Changes by Senthil Kumaran sent...@uthcode.com:
--
title: urlparse.urlunsplit() can't handle relative files (for urllib*.open() -
Disallow relative files paths in urllib*.open()
___
Python tracker rep...@bugs.python.org
Roundup Robot devn...@psf.upfronthosting.co.za added the comment:
New changeset f6008e936fbc by Senthil Kumaran in branch '2.7':
Fix Issue6631 - Disallow relative files paths in urllib*.open()
http://hg.python.org/cpython/rev/f6008e936fbc
--
nosy: +python-dev
Roundup Robot devn...@psf.upfronthosting.co.za added the comment:
New changeset 4366c0df2c73 by Senthil Kumaran in branch '2.7':
NEWS entry for Issue6631
http://hg.python.org/cpython/rev/4366c0df2c73
New changeset 514994d7a9f2 by Senthil Kumaran in branch '3.2':
Fix Issue6631 - Disallow
Changes by Senthil Kumaran sent...@uthcode.com:
--
resolution: - fixed
stage: - committed/rejected
status: open - closed
type: performance - behavior
versions: +Python 2.7, Python 3.2, Python 3.3
___
Python tracker rep...@bugs.python.org
Terry J. Reedy tjre...@udel.edu added the comment:
Calling g.close() is pointless for a generator used in normal pull mode and run
to completion, as in the example. The generator is already 'closed', so
g.close() does not do anything useful. See
New submission from py.user port...@yandex.ru:
help(bytes.strip):
strip(...)
B.strip([bytes]) - bytes
Strip leading and trailing bytes contained in the argument.
If the argument is omitted, strip trailing ASCII whitespace.
--
assignee: docs@python
components:
Terry J. Reedy tjre...@udel.edu added the comment:
Based on other examples in the doc, I think the note
... and also supports iteration over its lines.
should be extended with
It also has a dummy `flush` method, so that it can be wrapped using
:class:`io.TextIOWrapper`.
Then just add
..
R. David Murray rdmur...@bitdance.com added the comment:
Oh, I see. Yes, that is a problem.
object.__format__ knows the type of the object it was called on, right?
Couldn't it catch the error and re-raise it with the correct type? (If the
type isn't str, of course, we don't want to get
Terry J. Reedy tjre...@udel.edu added the comment:
The Chicago Manual of Style. which is perhaps the mostly widely used general
style manual in the US, uses 'th' as a suffix without ' or -.
ie, 28th, etc except for 22d ('preferred' to 22nd) and 23d ('preferred' to
23rd).
R. David Murray rdmur...@bitdance.com added the comment:
Oh, never mind that comment about recursion, I wasn't thinking it through.
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue13790
___
Changes by Terry J. Reedy tjre...@udel.edu:
--
nosy: +bethard
stage: - test needed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue13818
___
___
Roundup Robot devn...@psf.upfronthosting.co.za added the comment:
New changeset c84b39c18963 by Terry Jan Reedy in branch '2.7':
Issue13820 as and with really became keywords in 2.6.
http://hg.python.org/cpython/rev/c84b39c18963
--
nosy: +python-dev
Terry J. Reedy tjre...@udel.edu added the comment:
I verified that 'as' and 'with' are in the 2.6 keyword.kwlist.
http://svn.python.org/projects/python/branches/release26-maint/Lib/keyword.py.
I verified that they work as keywords in 2.7.
Terry J. Reedy tjre...@udel.edu added the comment:
OK, the example of an empty format spec should be dropped. Let people figure it
out ;-).
format([], 'd')
Traceback (most recent call last):
File stdin, line 1, in module
ValueError: Unknown format code 'd' for object of type 'str'
One
Changes by akira 4kir4...@gmail.com:
--
nosy: +akira
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http://bugs.python.org/issue1602
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