Daniel Stutzbach added the comment:
+1 on the general idea of abstracting out repeated code.
I will take a closer look at the details within the next few days.
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Daniel Stutzbach added the comment:
In bltinmodule.c, it looks like some of the indentation doesn't line up?
Bikeshedding aside, it looks good to me.
I agree with Eric Smith that the first part macro name usually refers to the
type of the first argument (or the type the first argument p
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Daniel Stutzbach added the comment:
Minor point of clarity: you mean __rand__ not __radd__, right? Set objects do
not support addition at all.
Adding the __rand__ methods to collections.Set in and of itself is
straightforward:
def __rsub__(self, other):
return self
Daniel Stutzbach added the comment:
Would it be sufficient to:
1) Restrict collections.Set()'s operators to accept collection.Set but not
arbitrary iterables, and
2) Fix Issue2226 and let set() | MySimpleSet() work via collections.Set.__ror__
Attached is a patch that implements this app
New submission from Daniel Stutzbach :
Attached is a patch to add documentation for Py_ReprEnter and Py_ReprLeave.
Assigning to d...@python for review.
--
assignee: stutzbach -> d...@python
keywords: +needs review, patch
nosy: +d...@python
stage: needs patch -> patch review
Adde
Daniel Stutzbach added the comment:
Would it be worth keeping (but modifying) test_http_0_9 to verify that the
server complains in the expected way?
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Daniel Stutzbach added the comment:
At minimum, I think we should apply this part of Antoine's patch:
-# Most web servers default to HTTP 0.9, i.e. don't send a status line.
-default_request_version = "HTTP/0.9"
+default_request
Daniel Stutzbach added the comment:
Good point. My perspective is skewed by all of the time that I spend working
on container types. :-)
How about if I change the first sentence to the following?
Properly implementing :attr:`tp_repr` for container types requires
special recursion
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Added file: http://bugs.python.org/file20071/repr-2.patch
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Daniel Stutzbach added the comment:
Thanks. New patch attached with a cross-reference to reprlib.recursive_repr.
--
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Daniel Stutzbach added the comment:
On Tue, Dec 14, 2010 at 7:22 PM, Ezio Melotti wrote:
> If you want to work on this you should also consider that the URLs used on
> docs.python.org don't necessary match the directory structure present when
> building the doc locally. For e
Daniel Stutzbach added the comment:
Committed in r87339. Thanks everyone for the feedback!
--
assignee: eric.araujo -> stutzbach
keywords: -needs review
resolution: -> accepted
stage: patch review -> committed/rejected
status: open -> closed
versions:
Daniel Stutzbach added the comment:
Raymond,
Do you have around 10 minutes today to look at the patch I submitted in Issue
8743? It appears to solve both this issue and that one, which have priorities
critical and high, respectively.
It's a reasonably small patch: around 20 lines ch
Daniel Stutzbach added the comment:
Doc change committed to py3k in r87346. Thanks, SilentGhost!
I also committed r87349 to reverse r87162 (which was in the wrong branch).
--
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Daniel Stutzbach added the comment:
On Fri, Dec 17, 2010 at 2:17 PM, Amaury Forgeot d'Arc wrote wrote:
> Err... in r87339 there is a typo in all occurrences of
> 'Py_ReprEntr': Py_ReprEnter of course!
Well, that's emba
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Daniel Stutzbach added the comment:
That's an interesting point.
Do you know of places where we use fd 2 instead of sys.stderr?
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Daniel Stutzbach added the comment:
On Thu, Feb 3, 2011 at 11:56 AM, Alexander Belopolsky
wrote:
> 3rd party extensions. What is the use case for "python >&-"? Is
> it important enough to justify the risk of accidental data loss?
I don't think closing stder
Daniel Stutzbach added the comment:
On Thu, Feb 3, 2011 at 12:18 PM, Antoine Pitrou wrote:
> I just took a look at http://pypi.python.org/pypi/python-daemon/, and it
> uses dup2() to redirect standard streams, which is far nicer.
I'm more worried about the case where a daemon laun
New submission from Daniel Stutzbach <[EMAIL PROTECTED]>:
I'm writing a C extension module and discovered that Py_CLEAR() causes a
crash if the programmer happened to name their variable "tmp". The
Py_CLEAR() macro internally uses the name "tmp" in a new scope
Daniel Stutzbach <[EMAIL PROTECTED]> added the comment:
Appending _tmp is a good idea, but it won't work when the parameter
isn't a simple symbol. For example, there's a line in cPickle.c like
this: Py_CLEAR(*p).
___
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Daniel Stutzbach <[EMAIL PROTECTED]> added the comment:
On Mon, Jul 21, 2008 at 5:34 PM, Raymond Hettinger
<[EMAIL PROTECTED]> wrote:
> There are several different approximations to choose from. Each of
> them has their own implications for speed and accuracy.
FWIW,
Daniel Stutzbach <[EMAIL PROTECTED]> added the comment:
I think he just carried the names over from C, where:
tgamma() is the "true gamma function"
lgamma() is the log of the gamma function
and gamma() might be tgamma() or lgamma() depending on which C library
you use (sigh).
Daniel Stutzbach <[EMAIL PROTECTED]> added the comment:
On Fri, Jul 25, 2008 at 1:37 PM, Raymond Hettinger
<[EMAIL PROTECTED]>wrote:
> Raymond Hettinger <[EMAIL PROTECTED]> added the comment:
>
> Can you also implement blending of approximations: (1-t)*f1(x) + t*f2
Changes by Daniel Stutzbach <[EMAIL PROTECTED]>:
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Daniel Stutzbach added the comment:
For macro benchmarking, I suggest using the Unladen Swallow benchmark suite.
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New submission from Daniel Stutzbach :
Attached is a minimal example. It has a function called leak(). The end of
the script calls that function, runs the garbage collector, and prints out the
number of objects in the system. In Python 2.6, the number of objects
increases after each
New submission from Daniel Stutzbach :
Currently, trying to use a web search engine to find something in the Python
docs often returns the documentation for only one version of Python. Something
a very old version like 2.3.
It would be nice if the documentation pages on docs.python.org
New submission from Daniel Stutzbach :
The documentation for Py_TPFLAGS_DEFAULT mentions
Py_TPFLAGS_HAVE_STACKLESS_EXTENSION and Py_TPFLAGS_HAVE_VERSION_TAG, but
neither of them is documented. They aren't mentioned in the 2.6 documentation
(presumably because they were introduced i
New submission from Daniel Stutzbach :
Here's the original message proposing the addition of these routines to the C
API, which might serve as the basis of documentation:
http://mail.python.org/pipermail/python-dev/2003-October/039445.html
--
assignee: georg.brandl
compo
Daniel Stutzbach added the comment:
Now that WeakSet has been backported to trunk, I've backported the fix for this
reference-leak (patch with test case attached).
However, after making the patch, I discovered that old-style classes are not
weak-referenceable. Consequently, the patch i
Daniel Stutzbach added the comment:
Attached is a patch for configure.in and configure that implements Benjamin's
suggestion. The patch sets things up to continue to use -fno-strict-aliasing
on gcc versions that support -fno-strict-aliasing *and* generate spurious
warnings witho
Daniel Stutzbach added the comment:
I hadn't realized that old style classes didn't support ABCs. That certainly
simplifies things! I'm working on a new patch.
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Daniel Stutzbach added the comment:
Are you sure the old-style classes don't support ABCs?
ABCTestCase.validate_isinstance in Lib/test/test_collection.py specifically
tests that both new-style and old-style classes work, unless I'm reading it
wrong.
(and those tests fail if I ma
Daniel Stutzbach added the comment:
You can't register an old-style class, but many ABCs support duck-typing by
implementing __subclasshook__. ABCMeta caches those results and stores a
reference to old-style classes, sometimes in _abc_cache and sometimes in
_abc_negative_cache. It
Daniel Stutzbach added the comment:
Cool! I will revise the patch based on your comments about my test case.
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Added file: http://bugs.python.org/file16713/abc_leak.patch
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Daniel Stutzbach added the comment:
New patches uploaded. I separated out the patch to add the test case, to make
it easier to test before and after applying the fix.
--
Added file: http://bugs.python.org/file16714/leak_test.patch
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Daniel Stutzbach added the comment:
Attached is a file that reliably produces the "More data is available" error
from _winreg.EnumValue in Python 2.6.
The script triggers the error via a race condition, by modifying the value
after PyEnumValue() calls RegQueryInfoKey() but befor
Daniel Stutzbach added the comment:
Here's another script that causes a "More data is available" error. This one
creates a key with a name that's exactly 256 characters long. (The Windows
Registry Editor can't display the key either)
I'm testing this on XP. N
Daniel Stutzbach added the comment:
It was never 100% clear that it ever related to multi-byte strings, so (as the
original reporter) I'd prefer to continue using this bug and just update the
title to: _winreg.EnumValue sometimes raises WindowsError ("More data is
available"
Daniel Stutzbach added the comment:
I just wrote a C program that can read the long key name just fine, so it's not
a Windows API bug.
--
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Daniel Stutzbach added the comment:
I just found a one line example of the problem:
>>> EnumValue(HKEY_PERFORMANCE_DATA, 0)
Traceback (most recent call last):
File "", line 1, in
WindowsError: [Error 234] More data is available
Other functions are also affected
New submission from Daniel Stutzbach :
The Windows RegQueryValue function returns a registry value without returning
the corresponding type information (e.g., REG_SZ for string, REG_BINARY for
binary data, REG_DWORD for a 32-bit number, etc.).
The corresponding wrapper winreg.QueryValue
Daniel Stutzbach added the comment:
Jumped the gun here. RegQueryValue returns ERROR_DATA_INVALID if the value
isn't a string, so converting to Unicode is OK.
--
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Added file: http://bugs.python.org/file16802/winreg_test.pach
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Changes by Daniel Stutzbach :
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Added file: http://bugs.python.org/file16803/winreg.patch
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Changes by Daniel Stutzbach :
Removed file: http://bugs.python.org/file16728/more_data_is_available.py
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Daniel Stutzbach added the comment:
I've uploaded two patches (against trunk): one to add test cases that
demonstrate this bug and another to fix the bug.
--
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New submission from Daniel Stutzbach :
Hi Brian,
It looks like you had attached to issue5774 a patch to allow OpenKey to accept
keyword arguments. Just thought I'd mention that here so there's a link back
to it.
--
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Daniel Stutzbach added the comment:
Someone with appropriate permissions want to update the "Stage"?
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Daniel Stutzbach added the comment:
Thomas, could you write a unit test to go along with your patch?
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Changes by Daniel Stutzbach :
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title: _winreg.EnumValue fails when the registry data includes multibyte
unicode characters -> _winreg.EnumValue sometimes raises WindowsError ("More
data is available")
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Daniel Stutzbach added the comment:
You're right. I asked Thomas the wrong question, and the Keywords and Stage
need updating.
Thomas, do you still plan to submit a patch that fixes the problem?
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Daniel Stutzbach added the comment:
Great! If you get stuck or have a question, just ask. :-)
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priority: -> low
stage: -> needs patch
type: -> performance
versions: +Python 3.2 -Python 2.7, Python 3.0, Python 3.1
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Changes by Daniel Stutzbach :
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resolution: -> works for me
stage: -> committed/rejected
status: open -> closed
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Changes by Daniel Stutzbach :
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versions: +Python 2.7, Python 3.2 -Python 2.5
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Changes by Daniel Stutzbach :
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Changes by Daniel Stutzbach :
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stage: patch review -> unit test needed
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Daniel Stutzbach added the comment:
Thanks for pointing that out.
For what it's worth, if I understand the documentation correctly the goal is to
prevent the following misleading comparisons:
date with time
datetime with date
datetime with time
datetime w/ timezone with datetim
Daniel Stutzbach added the comment:
The purpose of calling .close() in __del__ is to close the socket when the
owner is destroyed yet the program is still running.
This prevents the socket from staying open if some other part of the program
has somehow acquired a reference to it. telnetlib
Daniel Stutzbach added the comment:
Thank for the feedback. I'll revise the patch tomorrow based on your
code-cleanup suggestions.
To answer your question about the thread and explain why the test sometimes
passes:
The goal of test_changing_value is to try to trigger a race condition
Daniel Stutzbach added the comment:
Attached is a new test-case patch.
--
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Daniel Stutzbach added the comment:
In the updated patch I uploaded yesterday, I increased the loop count from 100
to 1000 and it still runs virtually instantly. I also added a comment stating
that the test is trying to trigger a race condition
Changes by Daniel Stutzbach :
Removed file: http://bugs.python.org/file15076/fileobject.diff
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Added file: http://bugs.python.org/file17130/file_close_test.patch
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Daniel Stutzbach added the comment:
I reworked my test script into a unit test. Thanks for pointing me to
test_file2k.py. I leveraged the infrastructure that was already there.
I've also uploaded a new patch that uses tabs instead of spaces, to match the
rest of fileobj
Daniel Stutzbach added the comment:
How do I write a unit test to check that socket.__del__ doesn't refer to any
globals?
--
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Daniel Stutzbach added the comment:
I like the idea of leveraging the sched module. It encapsulates the priority
queue, allowing the user to be agnostic to the underlying data structure. If
someday we have a data structure in the collections module that provides an
efficient delete-key
Daniel Stutzbach added the comment:
Attached is a patch.
The diff to configure is just what autoconf produces as a result of the diff to
configure.in.
With the patch, pyconfig.h will:
- do nothing if the compiler supports the "inline" keyword
- #define inline to __inline or __i
Daniel Stutzbach added the comment:
I should add that the patch is against the py3k branch, since it's too late for
performance improvements to land in trunk.
--
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New submission from Daniel Stutzbach :
PyUnicode_AsEncodedObject is undocumented. It has the same signature as
PyUnicode_AsEncodedString, although they do slightly different things based on
a brief source code inspection (I'm not clear on what that difference is
though).
--
ass
New submission from Daniel Stutzbach :
PyUnicode_EncodeDecimal is undocumented (although it's referenced in passing in
the documentation for PyLong_FromUnicode). There's a lengthy comment in
unicodeobject.h describing PyUnicode_EncodeDecimal, which could be converted
more or les
New submission from Daniel Stutzbach :
Here's the relevant signature:
/* Get the maximum ordinal for a Unicode character. */
PyAPI_FUNC(Py_UNICODE) PyUnicode_GetMax(void);
--
assignee: d...@python
components: Documentation
messages: 105206
nosy: d...@python, stutzbach
priority: n
New submission from Daniel Stutzbach :
The UTF-7 codec functions are undocumented:
PyUnicode_DecodeUTF7Stateful
PyUnicode_DecodeUTF7
PyUnicode_EncodeUTF7
--
assignee: d...@python
components: Documentation
messages: 105207
nosy: d...@python, stutzbach
priority: normal
severity: normal
New submission from Daniel Stutzbach :
Python provides several functions for manipulating raw Py_UNICODE strings, but
they aren't documented. Below are their signatures.
PyAPI_FUNC(size_t) Py_UNICODE_strlen(const Py_UNICODE *u);
PyAPI_FUNC(Py_UNICODE*) Py_UNICODE_strcpy(
Py_UNICOD
New submission from Daniel Stutzbach :
Currently, Python can be built with an internal Unicode representation of UCS2
or UCS4. To prevent extension modules compiled with the wrong Unicode
representation from linking, unicodeobject.h #defines many of the Unicode
functions. For example
Changes by Daniel Stutzbach :
--
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Added file: http://bugs.python.org/file17248/unicode.patch
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Daniel Stutzbach added the comment:
Forcing the compile-time and link-time encodings to match is tricky. The goal
is:
- Allow Unicode-agnostic modules to link, regardless of unicode settings
- Cause a link failure if the unicode settings are mismatched for a module that
pokes into
Daniel Stutzbach added the comment:
Adding people to the Nosy List who participated in the original thread on
python-ideas, several months ago. Hope you don't mind. :-)
--
nosy: +gvanrossum, scoder, zooko
___
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Daniel Stutzbach added the comment:
I've been thinking about this a bit more. There are three types of symbols in
unicodeobject.h:
1. Functions that are always safe to use
2. Functions that are only safe if the module is compiled with the same Unicode
settings as Python
3. Structure
New submission from Daniel Stutzbach :
I noticed that in longobject.c, there are a few spots that take the absolute
value of an int before comparing the int to 0. There's no -0 for C integers,
so the absolute value isn't necessary.
I traced back through the commit history, and it
Changes by Daniel Stutzbach :
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Daniel Stutzbach added the comment:
On Sat, May 8, 2010 at 5:03 AM, Marc-Andre Lemburg
wrote:
> If you can propose a different method of reliably protecting against
> mixed Unicode build module loads, that would be great. We could then
> get rid off the wrapping altogether.
The follo
Daniel Stutzbach added the comment:
On Sat, May 8, 2010 at 10:16 AM, Marc-Andre Lemburg
wrote:
> Are you sure this doesn't get optimized away in practice ?
I'm sure it doesn't get optimized away by gcc 4.3, where I tested it. :)
> Sure, though, I don't see how this
Daniel Stutzbach added the comment:
On Sat, May 8, 2010 at 8:07 AM, Martin v. Löwis wrote:
> 1. add a flag to PyModuleDef, indicating whether the module was built in
> UCS-2 or UCS-4 mode. Then let the interpreter refuse the load the module,
> instead of having the dynamic linker d
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