[issue28275] LZMADecompressor.decompress Use After Free

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

LGTM. And may be worth to rewrite lzma test in your style.

--
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stage: resolved -> commit review

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[issue28293] Don't completely dump the regex cache when full

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

The re module now depends on the enum module, and the latter already depends on 
OrderedDict. Thus the patch doesn't introduce new dependency. Python 
implementation of OrderedDict doesn't override __getitem__ and therefore don't 
slow down the common case. I considered all this.

In contrary, Python implementation of lru_cache slows down the code (that is 
why using it was dropped in the past). But I did not object to this because 
re.sub() is less used than re.match() or re.search() and already is much slower.

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[issue28183] Clean up and speed up dict iteration

[INADA Naoki]

Changes by INADA Naoki :


Added file: http://bugs.python.org/file44874/dict_iter5.patch

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[issue28275] LZMADecompressor.decompress Use After Free

[Martin Panter]

Martin Panter added the comment:

Here is a patch to fix the corresponding bug in the bzip decompressor. I will 
try to commit it soon if there are no objections.

For the record, these bugs were introduced with the max_length support in Issue 
15955. The bzip code was modelled after the LZMA code.

--
assignee: serhiy.storchaka -> martin.panter
nosy: +martin.panter
status: closed -> open
Added file: http://bugs.python.org/file44873/bzip-failure.patch

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[issue27873] multiprocessing.pool.Pool.map should take more than one iterable

[Davin Potts]

Davin Potts added the comment:

@naught101: Thanks for the wording change -- I think your suggested doc change 
will be a good one.  I've added a comment which you can access via the "review" 
link to the right of the link for your mp.map.starmap.patch attachment.

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[issue20766] reference leaks in pdb

[Jack Liu]

Jack Liu added the comment:

Now, I have to set nosigint to True to fix the reference leaks issue for my app.

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[issue20766] reference leaks in pdb

[Jack Liu]

Jack Liu added the comment:

Will the issue be fixed in Python formal build?
I still meet the same issue with Python 3.5.1. It cost me a bit time to track 
down this issue.

I'm using pdb to debug a Python script, there are global variables in the 
script. Duo the leak of sigint_handler, calling gc.collect() doesn't release 
the global variables until calling PyOS_FiniInterrupts().

--
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versions: +Python 3.5

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[issue28293] Don't completely dump the regex cache when full

[Raymond Hettinger]

Raymond Hettinger added the comment:

I would rather not introduce an OrderedDict dependency to the re module while 
other implementations are using the pure python version or where the OD 
implementation is in flux.  This is a barely worth it proposal, so we should 
either make a modest, minimalistic change or just drop it.   Really, its too 
bad that the regex got contorted in a way that precluded the use of the 
lru_cache (DEBUG isn't the central feature of regex and is only minimally 
useful).

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[issue28248] Upgrade installers to OpenSSL 1.0.2j

[Shaun Walbridge]

Changes by Shaun Walbridge :


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[issue26550] documentation minor issue : "Step back: WSGI" section from "HOWTO Use Python in the web"

[Berker Peksag]

Berker Peksag added the comment:

Thanks, Alejandro. Doc/howto/webservers.rst has been removed in Python 3  so I 
just fixed 2.7.

--
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resolution:  -> fixed
stage:  -> resolved
status: open -> closed
type: enhancement -> behavior
versions:  -Python 3.2, Python 3.3, Python 3.4, Python 3.5, Python 3.6

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[issue26550] documentation minor issue : "Step back: WSGI" section from "HOWTO Use Python in the web"

[Roundup Robot]

Roundup Robot added the comment:

New changeset 522506fcff88 by Berker Peksag in branch '2.7':
Issue #26550: Fix typo in webservers HOWTO
https://hg.python.org/cpython/rev/522506fcff88

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[issue26224] Add "version added" for documentation of asyncio.timeout for documentation of python 3.4, 3.5, 3.6

[Berker Peksag]

Changes by Berker Peksag :


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[issue26224] Add "version added" for documentation of asyncio.timeout for documentation of python 3.4, 3.5, 3.6

[Berker Peksag]

Berker Peksag added the comment:

Thanks for the patch. asyncio.timeout() has been removed in 73a28ad66bd9.

--
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[issue24274] erroneous comments in dictobject.c

[Berker Peksag]

Berker Peksag added the comment:

Comments have been updated by the new dict implementation in 3.6+, but the 3.5 
branch still needs to be updated.

--
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type: enhancement -> behavior
versions: +Python 3.5

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[issue23701] Drop extraneous comment from winreg.QueryValue's docstring

[Berker Peksag]

Berker Peksag added the comment:

Thanks for the report and for the patch, Claudiu. The part you mentioned has 
already been removed in 6e613ecd70f0. Here's the current version:

"Values in the registry have name, type, and data components. This method
retrieves the data for a key's first value that has a NULL name.
But since the underlying API call doesn't return the type, you'll
probably be happier using QueryValueEx; this function is just here for
completeness."

--
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stage: patch review -> resolved
status: open -> closed

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[issue22969] Compile fails with --without-signal-module

[Berker Peksag]

Berker Peksag added the comment:

Thanks for the report, but --with(out)-signal-module option has been removed in 
d5bb5ad5a108.

--
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status: open -> closed

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[issue22392] Clarify documentation of __getinitargs__

[Berker Peksag]

Berker Peksag added the comment:

https://docs.python.org/2/library/pickle.html#object.__getinitargs__ states:

"If it is desirable that the __init__() method be called on unpickling, an 
old-style class can define a method __getinitargs__(), which should return a 
tuple containing the arguments to be passed to the class constructor 
(__init__() for example)."

However, there is no mention that it only accepts positional arguments.

This is a Python 2-only change and the documentation file is located at 
Doc/library/pickle.rst in 2.7 branch.

--
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[issue20754] distutils should use SafeConfigParser

[Jason R. Coombs]

Jason R. Coombs added the comment:

Do the changes in issue20120 address this concern?

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[issue20754] distutils should use SafeConfigParser

[Berker Peksag]

Berker Peksag added the comment:

Thanks for the report, Alex. SafeConfigParser has been renamed to ConfigParser 
in Python 3.2 and distutils already uses ConfigParser in Python 3:

>From Distribution.parse_config_files():

...
parser = ConfigParser()

For 2.7, can you try it with setuptools? Perhaps we should keep 2.7 as-is and 
let setuptools do its magic.

--
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stage:  -> resolved
status: open -> closed

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[issue27845] Optimize update_keyword_args() function

[Serhiy Storchaka]

Changes by Serhiy Storchaka :


--
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[issue28293] Don't completely dump the regex cache when full

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

It is applied cleanly on the default branch. I don't think there is a need to 
open a new issue. The last patch implements the original Raymond's intention, 
but taking into account all comments: drops the oldest item, doesn't depend on 
implementation details of dict, thread-safe.

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[issue28148] [Patch] Also stop using localtime() in timemodule

[Alexander Belopolsky]

Changes by Alexander Belopolsky :


--
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status: open -> closed

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[issue27100] Attempting to use class with both __enter__ & __exit__ undefined yields __exit__ attribute error

[Spencer Brown]

Spencer Brown added the comment:

Alternatively, SETUP_WITH could additionally check for the other method, and 
raise an AttributeError with a custom message mentioning both methods.

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[issue28148] [Patch] Also stop using localtime() in timemodule

[Roundup Robot]

Roundup Robot added the comment:

New changeset 3afad465b3e1 by Alexander Belopolsky in branch '3.6':
Issue #28148: Added a NEWS entry.
https://hg.python.org/cpython/rev/3afad465b3e1

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[issue21903] ctypes documentation MessageBoxA example produces error

[Eryk Sun]

Eryk Sun added the comment:

The GetWindowRect example seems fine, for the most part. The docs don't have to 
show it being called. If I were to call it, I'd use GetForegroundWindow to get 
a window handle. GetActiveWindow returns the active window attached to the 
current thread's message queue, but a console application probably doesn't own 
a window. (The console window is owned by conhost.exe.)

A more pressing matter is the GetModuleHandle examples, which need to either be 
fixed or replaced. GetModuleHandle returns a module's base address, and in a 
64-bit process the result could be truncated when returned as the default C int 
type. GetModuleHandleW.restype has to be set to a pointer type. Setting it to a 
Python function, such as the ValidHandle example, has the same truncation 
problem. In general, a ValidHandle checker would have to be implemented as an 
errcheck function.

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[issue28148] [Patch] Also stop using localtime() in timemodule

[Roundup Robot]

Roundup Robot added the comment:

New changeset c81b9107ec42 by Alexander Belopolsky in branch '3.6':
Issue #28148: Stop using localtime() and gmtime() in the time module.
https://hg.python.org/cpython/rev/c81b9107ec42

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[issue28292] Make Calendar.itermonthdates() behave consistently in edge cases

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

LGTM. Maybe add also itermonthdays4() that yields 4-tuples (year, month, day, 
day_of_week)? I seen a code that filters out weekends from itermonthdates().

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[issue9253] argparse: optional subparsers

[Mariatta Wijaya]

Changes by Mariatta Wijaya :


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[issue28210] argparse with subcommands difference in python 2.7 / 3.5

[Mariatta Wijaya]

Changes by Mariatta Wijaya :


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[issue28294] HTTPServer server.py assumes sys.stderr != None

[Mariatta Wijaya]

Changes by Mariatta Wijaya :


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[issue28281] Remove year limits from calendar

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Okay, if this is specified by ISO 8601 standard, I think we can extend calendar 
below year 1. But the meaning of non-positive years should be documented. And 
maybe even provide a way to customize the representation of year (this is a 
separate issue).

Standard Unix utilities cal and ncal support only years in range 1...

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[issue28306] incorrect output "int division or modulo by zero" in Handling Exceptions tutorial

[Berker Peksag]

Berker Peksag added the comment:

Good catch! Thanks for the report.

--
nosy: +berker.peksag
resolution:  -> fixed
stage:  -> resolved
status: open -> closed
versions: +Python 3.6, Python 3.7

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[issue28306] incorrect output "int division or modulo by zero" in Handling Exceptions tutorial

[Roundup Robot]

Roundup Robot added the comment:

New changeset f60396d8f95c by Berker Peksag in branch '3.5':
Issue #28306: Update exception message of ZeroDivisionError
https://hg.python.org/cpython/rev/f60396d8f95c

New changeset e6dcb14829cf by Berker Peksag in branch '3.6':
Issue #28306: Merge from 3.5
https://hg.python.org/cpython/rev/e6dcb14829cf

New changeset ddeeb7d666eb by Berker Peksag in branch 'default':
Issue #28306: Merge from 3.6
https://hg.python.org/cpython/rev/ddeeb7d666eb

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[issue8844] Condition.wait() doesn't raise KeyboardInterrupt

[Gregory P. Smith]

Gregory P. Smith added the comment:

As a data point confirming that: we tried backporting the much nicer 
non-polling condition implementation 
(https://github.com/python/cpython/commit/15801a1d52c25fa2a19d649ea2671080f138fca1.patch)
 to our Python 2.7 interpreter at work but ran into actual code that failed as 
a result of the interruption behavior changing.

While it is a nice goal, it is a non-trivial change.  Not something we could 
ever do within a stable release (2.7).

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[issue28306] incorrect output "int division or modulo by zero" in Handling Exceptions tutorial

[Viorel Tabara]

New submission from Viorel Tabara:

I'm reading the Python 3.5.2 documentation at:
  
   https://docs.python.org/3/tutorial/errors.html#handling-exceptions

which shows the following example:

   >>> def this_fails():
   ... x = 1/0
   ...
   >>> try:
   ... this_fails()
   ... except ZeroDivisionError as err:
   ... print('Handling run-time error:', err)
   ...
   Handling run-time error: int division or modulo by zero 

Running the code as a script produces:

   $ python3 -V
   Python 3.5.2
   $ python3 p.py
   Handling run-time error: division by zero

   $ python2 -V
   Python 2.7.12
   $ python2 p.py
   ('Handling run-time error:', ZeroDivisionError('integer division or modulo 
by zero',))
   
The same output is listed for 3.6 and 3.7 tutorials but I don't have those 
versions installed on my system.

--
assignee: docs@python
components: Documentation
messages: 277657
nosy: docs@python, viorel
priority: normal
severity: normal
status: open
title: incorrect output "int division or modulo by zero" in Handling Exceptions 
tutorial
type: behavior
versions: Python 3.5

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[issue28305] Make error for Python3.6 on Cygwin

[R. David Murray]

R. David Murray added the comment:

If you can't please report it on that issue.

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[issue28305] Make error for Python3.6 on Cygwin

[Ron Barak]

Ron Barak added the comment:

Can I apply 
http://bugs.python.org/file44208/3.5-issue21085-struct_siginfo-2.patch to 3.6 
as is?

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[issue27100] Attempting to use class with both __enter__ & __exit__ undefined yields __exit__ attribute error

[Ned Deily]

Changes by Ned Deily :


--
stage:  -> patch review
versions: +Python 3.6

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[issue28305] Make error for Python3.6 on Cygwin

[R. David Murray]

R. David Murray added the comment:

cygwin used to be fully supported, but support broke because there was no one 
around that was maintaining it.  There has been renewed interest, and some 
progress toward fixing cygwin support (more help is appreciated), but it cannot 
be called a supported platform at the moment because there is no maintainer on 
our team and there is no buildbot.  There are hopes that both of these 
deficiencies will be remedied.

This issue is a duplicate of issue 21085, and there is a patch in that issue 
that has not been applied yet.

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[issue28305] Make error for Python3.6 on Cygwin

[Ron Barak]

Ron Barak added the comment:

Re: Cygwin is an unsupported platform. 

Currently, from the contents of Python-3.6.0b1, one may be led to believe that 
Cygwin _is_ supported, e.g. - see the references to Cygwin in the README file:

$ grep -i cygwin README
On Unix, Linux, BSD, OSX, and Cygwin:
find out more.  On OSX and Cygwin, the executable is called python.exe;

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[issue2504] Add gettext.pgettext() and variants support

[Antti Haapala]

Antti Haapala added the comment:

*wow* isn't this in Python 3 yet (I've been using Zope translationstrings 
lately so I didn't know that pgettext is still not supported).

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[issue28305] Make error for Python3.6 on Cygwin

[R. David Murray]

Changes by R. David Murray :


--
resolution:  -> duplicate
stage:  -> resolved
status: open -> closed
superseder:  -> compile error Python3.3 on Cygwin

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[issue28305] Make error for Python3.6 on Cygwin

[Christian Heimes]

Christian Heimes added the comment:

Cygwin is an unsupported platform. It seems like Cygwin broke siginfo_t. The 
struct must have a si_band member, see 
http://man7.org/linux/man-pages/man2/rt_sigaction.2.html .

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[issue2504] Add gettext.pgettext() and variants support

[Leonid Suprun]

Changes by Leonid Suprun :


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[issue28305] Make error for Python3.6 on Cygwin

[Ron Barak]

New submission from Ron Barak:

Successfully did:

$ gunzip Python-3.6.0b1.tgz
$ tar xvf Python-3.6.0b1.tar
$ pushd Python-3.6.0b1
$ ./configure --disable-ipv6 --with-optimizations

However, when trying to do:

$ make profile-opt

I get:

...

gcc -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall 
-Wstrict-prototypes-std=c99 -Wextra -Wno-unused-result 
-Wno-unused-parameter -Wno-missing-field-initializers -fprofile-generate   -I. 
-IInclude -I./Include-DPy_BUILD_CORE  -c ./Modules/signalmodule.c -o 
Modules/signalmodule.o
In file included from Include/Python.h:85:0,
 from ./Modules/signalmodule.c:6:
./Modules/signalmodule.c: In function 'fill_siginfo':
./Modules/signalmodule.c:960:60: error: 'siginfo_t {aka struct }' 
has no member named 'si_band'
 PyStructSequence_SET_ITEM(result, 6, PyLong_FromLong(si->si_band));
^
Include/tupleobject.h:62:75: note: in definition of macro 'PyTuple_SET_ITEM'
 #define PyTuple_SET_ITEM(op, i, v) (((PyTupleObject *)(op))->ob_item[i] = v)
   ^
./Modules/signalmodule.c:960:5: note: in expansion of macro 
'PyStructSequence_SET_ITEM'
 PyStructSequence_SET_ITEM(result, 6, PyLong_FromLong(si->si_band));
 ^
make[2]: *** [Makefile:1731: Modules/signalmodule.o] Error 1
make[2]: Leaving directory '/home/Administrator/python/3.6/Python-3.6.0b1'
make[1]: *** [Makefile:511: build_all_generate_profile] Error 2
make[1]: Leaving directory '/home/Administrator/python/3.6/Python-3.6.0b1'
make: *** [Makefile:496: profile-opt] Error 2

--
components: Build
files: python3.6Make.err.txt
messages: 277650
nosy: ronbarak
priority: normal
severity: normal
status: open
title: Make error for Python3.6 on Cygwin
type: compile error
versions: Python 3.6
Added file: http://bugs.python.org/file44872/python3.6Make.err.txt

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[issue28255] TextCalendar.prweek/month/year outputs an extra whitespace character

[Alexander Belopolsky]

Changes by Alexander Belopolsky :


--
nosy: +belopolsky

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[issue26869] unittest longMessage docs

[Mariatta Wijaya]

Changes by Mariatta Wijaya :


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[issue28281] Remove year limits from calendar

[Mariatta Wijaya]

Changes by Mariatta Wijaya :


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[issue27322] test_compile_path fails when python has been installed

[Chris Angelico]

Chris Angelico added the comment:

Also working for me. Thanks!

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[issue27322] test_compile_path fails when python has been installed

[STINNER Victor]

STINNER Victor added the comment:

Thanks for your fix :-)

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[issue27322] test_compile_path fails when python has been installed

[Berker Peksag]

Berker Peksag added the comment:

The buildbot is now green. Closing this as fixed.

--
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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[issue28304] Condition.wait() doesn't raise KeyboardInterrupt

[Berker Peksag]

Berker Peksag added the comment:

Per Victor's comment in issue 8844 
(http://bugs.python.org/issue8844#msg277640), I'm closing this as 'wont fix'. 
Thanks for the report!

--
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stage:  -> resolved
status: open -> closed

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[issue27740] Fix doc of Py_CompileStringExFlags

[Berker Peksag]

Changes by Berker Peksag :


--
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed
versions: +Python 3.7

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[issue27740] Fix doc of Py_CompileStringExFlags

[Roundup Robot]

Roundup Robot added the comment:

New changeset ee76e84f115f by Berker Peksag in branch '3.5':
Issue #27740: Fix typo in Py_CompileStringExFlags
https://hg.python.org/cpython/rev/ee76e84f115f

New changeset 2ee939b314a2 by Berker Peksag in branch '3.6':
Issue #27740: Merge from 3.5
https://hg.python.org/cpython/rev/2ee939b314a2

New changeset a0b13ea75849 by Berker Peksag in branch 'default':
Issue #27740: Merge from 3.6
https://hg.python.org/cpython/rev/a0b13ea75849

--
nosy: +python-dev

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[issue12743] C API marshalling doc contains XXX

[Berker Peksag]

Changes by Berker Peksag :


--
versions: +Python 3.7
Added file: http://bugs.python.org/file44871/issue12743_v2.diff

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[issue28292] Make Calendar.itermonthdates() behave consistently in edge cases

[Alexander Belopolsky]

Alexander Belopolsky added the comment:

I would like to take the #1 approach, and also implement an itermonthdays3() 
generator that would be like  itermonthdates(), but return 3-tuples (year, 
month, day) instead of datetime.date objects.

The name "itermonthdays3" is subject to discussion, but it fits with the 
existing "itermonthdays" and "itermonthdays2" that yield integers and 2-tuples 
respectively.  An alternative, but slightly longer name would be 
"itermonthdatetuples".

itermonthdates() can then be reimplemented as

def itermonthdates(self, year, month):
for y, m, d in self.itermonthdays3(year, month):
yield datetime.date(y, m, d)

with the obvious out of bounds behavior.

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[issue28303] [PATCH] Fix broken grammar in "pydoc3 unittest"

[Shlomi Fish]

Shlomi Fish added the comment:

You're welcome, and thanks for applying the patch so quickly.

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[issue28300] [PATCH] Fix misspelled "implemented" word

[Shlomi Fish]

Shlomi Fish added the comment:

You're welcome and thanks for applying it (and so quickl).

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[issue28281] Remove year limits from calendar

[Alexander Belopolsky]

Alexander Belopolsky added the comment:

The proposed interpretation of nonpositive years is not arbitrary, it is a 
natural extension of the same formulas that we use for positive years.  On the 
other hand 1- limits are arbitrary.  If we wanted to restrict calendars to 
4-digit years we would limit years to the 1000- range.

Note that interpreting year 0 as 1 BCE is not without a precedent.  ISO 8601 
standard does exactly that with the caveat that "values in the range [] 
through [1582] shall only be used by mutual agreement of the partners in 
information interchange." Furthermore, "an expanded year representation 
[±Y] must have an agreed-upon number of extra year digits beyond the 
four-digit minimum, and it must be prefixed with a + or − sign instead of the 
more common AD/BC (or BCE/CE) notation; by convention 1 BC is labelled +, 2 
BC is labeled -0001, and so on."  See 
 citing ISO 8601:2004 sections 
3.4.2, 4.1.2.4 and Annex B.1.1.

Furthermore, documenting the existing limits is not an easy task.  For example

>>> from calendar import *
>>> cal = TextCalendar(1)
>>> cal.prmonth(1, 1)
 January 1
Tu We Th Fr Sa Su Mo
   1
 2  3  4  5  6  7  8
 9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30 31

displays 6 days in December of 1 BCE as blanks.  Similarly itermonthdays() and 
itermonthdays2() generators yield objects corresponding to these days.  Are 
these days within the calendar limits or not?

Note that I am not proposing to extend the range of the datetime.date objects.  
Doing that would be a much more difficult task, but defining calendars for out 
of range years as those for year % 400 is trivial and much easier than to 
figure out and document the edge behaviors.

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[issue8844] Condition.wait() doesn't raise KeyboardInterrupt

[STINNER Victor]

STINNER Victor added the comment:

> Is it possible to backport this patch to 2.7?

No.

Python 2.7 supports many implementations of threads:

$ ls Python/thread_*h -1
Python/thread_atheos.h
Python/thread_beos.h
Python/thread_cthread.h
Python/thread_foobar.h
Python/thread_lwp.h
Python/thread_nt.h
Python/thread_os2.h
Python/thread_pth.h
Python/thread_pthread.h
Python/thread_sgi.h
Python/thread_solaris.h
Python/thread_wince.h

Supporting signals on all implementations would be a huge work.

Handling correctly signals is also a complex task. For example, the PEP 475 
changed how Python 3.5 handles signals (retry interrupted syscall), the change 
is larger than just the threading module. This PEP has an impact on the whole 
CPython code base (C and Python).

In Python, unit tests are important. The change b750c45a772c added many unit 
tests, I expect that it will be tricky to make them reliable on all platforms 
supported by Python 2.7. I dislike the idea of backporting the feature just for 
a few platforms.

I mean that the change b750c45a772c alone is not enough, this change depends on 
many earlier changes used to cleanup/prepare the code to support this change. 
It is also followed by many changes to enhance how Python handles signals. It 
took multiple years to fix all subtle issues, race conditions, etc.

There is also a significant risk of breaking applications relying on the 
current behaviour of Python 2.7 (locks are not interrupted by signals).

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[issue28304] Condition.wait() doesn't raise KeyboardInterrupt

[Adam Roberts]

New submission from Adam Roberts:

This was fixed for Python 3 in https://bugs.python.org/issue8844 but needs to 
be backported.

--
components: Library (Lib)
messages: 277639
nosy: Adam Roberts
priority: normal
severity: normal
status: open
title: Condition.wait() doesn't raise KeyboardInterrupt
type: behavior
versions: Python 2.7

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[issue28247] Add an option to zipapp to produce a Windows executable

[Brett Cannon]

Brett Cannon added the comment:

Only backport if you want; it's not a bug fix so technically it doesn't need to 
be backported.

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[issue28217] Add interactive console tests

[Steve Dower]

Changes by Steve Dower :


--
assignee:  -> steve.dower

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[issue27565] Offer error context manager for code.interact

[Berker Peksag]

Berker Peksag added the comment:

Hi Claudiu, thanks for the report, but I don't think this is a common use case 
that needs to be supported in the standard library. Other people may prefer to 
use different solutions in a similar case (e.g. using a debugger) Plus, it's 
not hard to implement this as a custom context manager in your code.

--
nosy: +berker.peksag
resolution:  -> rejected
stage:  -> resolved
status: open -> closed

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[issue28295] PyUnicode_AsUCS4 doc and impl conflict on exception

[Xiang Zhang]

Xiang Zhang added the comment:

Here is the patch.

--
keywords: +patch
stage:  -> patch review
Added file: http://bugs.python.org/file44870/PyUnicode_AsUCS4.patch

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[issue23520] test_os failed (python-3.4.3, Linux SuSE)

[Berker Peksag]

Berker Peksag added the comment:

This is a duplicate of issue 11341.

--
nosy: +berker.peksag
resolution:  -> duplicate
stage:  -> resolved
status: open -> closed
superseder:  -> test_os fails

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[issue28281] Remove year limits from calendar

[Raymond Hettinger]

Raymond Hettinger added the comment:

> Under my proposal year=-1 is 2 B.C. and year 0 is a leap year

We should refuse the temptation to guess (i.e. make up our own arbitrary 
interpretations).   Instead, just document the known limits.

--
nosy: +rhettinger

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[issue27435] ctypes library loading and AIX - also for 2.7.X (and later)

[Michael Felt]

Changes by Michael Felt :


Added file: http://bugs.python.org/file44869/_aix.py

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[issue28300] [PATCH] Fix misspelled "implemented" word

[Roundup Robot]

Roundup Robot added the comment:

New changeset ce19dcce84fe by Berker Peksag in branch '3.5':
Issue #28300: Fix typos, patch by Shlomi Fish
https://hg.python.org/cpython/rev/ce19dcce84fe

New changeset 078f185f0041 by Berker Peksag in branch '3.6':
Issue #28300: Merge from 3.5
https://hg.python.org/cpython/rev/078f185f0041

New changeset b1d2e303570d by Berker Peksag in branch 'default':
Issue #28300: Merge from 3.6
https://hg.python.org/cpython/rev/b1d2e303570d

--
nosy: +python-dev

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[issue27322] test_compile_path fails when python has been installed

[Berker Peksag]

Changes by Berker Peksag :


--
versions:  -Python 3.5

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[issue27435] ctypes library loading and AIX - also for 2.7.X (and later)

[Michael Felt]

Michael Felt added the comment:

The "core" changes in this patch are very simple - in parallel with the way 
find_library() is managed in util.py



a) __init__.py:
   add an additional mode bit for call to dlopen() (in __init__.py)
diff -u src/Python-2.7.12/Lib/ctypes/__init__.py 
python-2.7.12.2/Lib/ctypes/__init__.py
--- src/Python-2.7.12/Lib/ctypes/__init__.py2016-06-25 21:49:30 +
+++ python-2.7.12.2/Lib/ctypes/__init__.py  2016-09-28 12:55:15 +
@@ -352,6 +352,16 @@
 flags |= _FUNCFLAG_USE_ERRNO
 if use_last_error:
 flags |= _FUNCFLAG_USE_LASTERROR
+if _sys.platform.startswith("aix"):
+"""When the name contains ".a(" and ends with ")",
+   asin "libFOO.a(libFOO.so)" this is taken to be an
+   archive(member) syntax for dlopen(), and the mode is adjusted.
+   Otherwise, name is presented to dlopen() as a file argument.
+"""
+# from _ctypes import RTLD_NOW - not until Python3.7
+if name and name.endswith(")") and ".a(" in name:
+RTLD_MEMBER = 0x0004
+mode |= RTLD_MEMBER

 class _FuncPtr(_CFuncPtr):
 _flags_ = flags

b) util.py:
   determine that is is not generic posix and call and import
   and execute an external .py file
c) some prettier (optional!) print statements in self-test

diff -u src/Python-2.7.12/Lib/ctypes/util.py python-2.7.12.2/Lib/ctypes/util.py
--- src/Python-2.7.12/Lib/ctypes/util.py2016-06-25 21:49:30 +
+++ python-2.7.12.2/Lib/ctypes/util.py  2016-09-28 08:41:57 +
@@ -81,6 +81,14 @@
 continue
 return None

+if sys.platform.startswith("aix"):
+# find .so members in .a files
+# using dump loader header information + sys.
+import ctypes._aix as aix
+
+def find_library(name):
+return aix.find_library(name)
+
 elif os.name == "posix":
 # Andreas Degert's find functions, using gcc, /sbin/ldconfig, objdump
 import re, tempfile, errno
@@ -247,10 +255,11 @@
 print find_library("msvcrt")

 if os.name == "posix":
-# find and load_version
-print find_library("m")
-print find_library("c")
-print find_library("bz2")
+# find
+print("m\t:: %s" % find_library("m"))
+print("c\t:: %s" % find_library("c"))
+print("bz2\t:: %s" % find_library("bz2"))
+print("crypt\t:: %s" % find_library("crypt"))

 # getattr
 ##print cdll.m
@@ -262,6 +271,12 @@
 print cdll.LoadLibrary("libcrypto.dylib")
 print cdll.LoadLibrary("libSystem.dylib")
 print cdll.LoadLibrary("System.framework/System")
+elif sys.platform.startswith("aix"):
+print("crypto\t:: %s" % cdll.LoadLibrary(find_library("crypto")))
+if (sys.maxsize < 2**32):
+print("c\t:: %s" % cdll.LoadLibrary("libc.a(shr.o)"))
+else:
+print("c\t:: %s" % cdll.LoadLibrary("libc.a(shr_64.o)"))
 else:
 print cdll.LoadLibrary("libm.so")
 print cdll.LoadLibrary("libcrypt.so")


d) in test_loading.py say test is failed if find_library does not find
   at least one library

diff -u src/Python-2.7.12/Lib/ctypes/test/test_loading.py 
python-2.7.12.2/Lib/ctypes/test/test_loading.py
--- src/Python-2.7.12/Lib/ctypes/test/test_loading.py   2016-06-25 21:49:30 
+
+++ python-2.7.12.2/Lib/ctypes/test/test_loading.py 2016-09-28 12:43:46 
+
@@ -11,6 +11,11 @@
 libc_name = "coredll"
 elif sys.platform == "cygwin":
 libc_name = "cygwin1.dll"
+elif sys.platform.startswith("aix"):
+if (sys.maxsize < 2**32):
+libc_name = "libc.a(shr.o)"
+else:
+libc_name = "libc.a(shr_64.o)"
 else:
 libc_name = find_library("c")

@@ -38,11 +43,16 @@
 self.assertRaises(OSError, cdll.LoadLibrary, self.unknowndll)

 def test_find(self):
+# to track that at least one call to find_library() found something
+found = False
 for name in ("c", "m"):
 lib = find_library(name)
 if lib:
+found = True
 cdll.LoadLibrary(lib)
 CDLL(lib)
+# test is FAILED if nothing was found
+self.assertTrue(found)

 @unittest.skipUnless(os.name in ("nt", "ce"),
  'test specific to Windows (NT/CE)')

Finally - there is the additional file: _aix.py - submitted as an attachment - 
and a patch with them all

--
Added file: http://bugs.python.org/file44868/Python2.7.Lib.ctypes.160928.patch

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[issue27322] test_compile_path fails when python has been installed

[Roundup Robot]

Roundup Robot added the comment:

New changeset e53984b87cf0 by Berker Peksag in branch '3.6':
Issue #27322: Set sys.path to a temp dir in test_compile_path
https://hg.python.org/cpython/rev/e53984b87cf0

New changeset a78446a65b1d by Berker Peksag in branch 'default':
Issue #27322: Merge from 3.6
https://hg.python.org/cpython/rev/a78446a65b1d

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[issue28303] [PATCH] Fix broken grammar in "pydoc3 unittest"

[Berker Peksag]

Berker Peksag added the comment:

Good catch, thanks!

--
nosy: +berker.peksag
resolution:  -> fixed
stage:  -> resolved
status: open -> closed
type:  -> behavior
versions: +Python 3.5, Python 3.6

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[issue28183] Clean up and speed up dict iteration

[STINNER Victor]

STINNER Victor added the comment:

I reviewed dict_iter4.patch on Rietveld.

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[issue28303] [PATCH] Fix broken grammar in "pydoc3 unittest"

[Roundup Robot]

Roundup Robot added the comment:

New changeset 650775f10178 by Berker Peksag in branch '3.5':
Issue #28303: Fix grammar in unittest.__doc__, patch by Shlomi Fish
https://hg.python.org/cpython/rev/650775f10178

New changeset d0b509777443 by Berker Peksag in branch '3.6':
Issue #28303: Merge from 3.5
https://hg.python.org/cpython/rev/d0b509777443

New changeset 6b59551bb4fe by Berker Peksag in branch 'default':
Issue #28303: Merge from 3.6
https://hg.python.org/cpython/rev/6b59551bb4fe

--
nosy: +python-dev

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[issue28302] Unpacking numpy array give list

[R. David Murray]

R. David Murray added the comment:

Yes, you are unpacking into a list, that's what the * syntax does in this 
context.  Since the rhs can be a mix of types, there's really no other 
reasonable meaning for the syntax.  (The same is true for tuples, by the way).

--
components: +Regular Expressions -Interpreter Core
nosy: +r.david.murray

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[issue28302] Unpacking numpy array give list

[SilentGhost]

SilentGhost added the comment:

It doesn't matter what you're unpacking, *y will collect the unpacked elements 
into a list.

--
components: +Interpreter Core -Regular Expressions
nosy: +SilentGhost
resolution:  -> not a bug
stage:  -> resolved
status: open -> closed

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[issue28300] [PATCH] Fix misspelled "implemented" word

[Berker Peksag]

Berker Peksag added the comment:

Thanks!

--
nosy: +berker.peksag
resolution:  -> fixed
stage: commit review -> resolved
status: open -> closed
versions: +Python 3.5

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[issue21903] ctypes documentation MessageBoxA example produces error

[Berker Peksag]

Berker Peksag added the comment:

Thanks for the report! I've now updated the example to use MessageBoxw.

Eryk, do you find the second example (GetWindowRect) is useful? Can we make it 
more usable? Unless I'm missing something, we need to pass the return value of 
GetActiveWindow() to make it work.

--
nosy: +berker.peksag, eryksun
resolution:  -> fixed
stage:  -> resolved
status: open -> closed
versions: +Python 3.5, Python 3.6, Python 3.7 -Python 3.3, Python 3.4

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[issue28302] Unpacking numpy array give list

[RAMESH PAMPANA]

New submission from RAMESH PAMPANA:

Unpacking numpy array gives list rather numpy array.

>>> import numpy as np
>>> a = np.array([1,2,3,4])
>>> x, *y, z = a
>>> type(a)

>>> type(y)
>
>> type(x)


--
components: Regular Expressions
messages: 277622
nosy: ezio.melotti, mrabarnett, rpampana
priority: normal
severity: normal
status: open
title: Unpacking numpy array give list
type: behavior
versions: Python 3.5

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[issue28303] [PATCH] Fix broken grammar in "pydoc3 unittest"

[Shlomi Fish]

New submission from Shlomi Fish:

Currently the comment in the example in "pydoc3 unittest" reads:

«
## test method names begin 'test*'
»

This is broken grammar and the attached patch against the hg default branch 
corrects it. All tests are passing and I disclaim any implicit or explicit 
ownership of my changes.

--
components: Library (Lib)
files: python-fix-broken-grammar-in-pydoc3-unittest.patch
keywords: patch
messages: 277623
nosy: shlomif
priority: normal
severity: normal
status: open
title: [PATCH] Fix broken grammar in "pydoc3 unittest"
versions: Python 3.7
Added file: 
http://bugs.python.org/file44867/python-fix-broken-grammar-in-pydoc3-unittest.patch

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[issue21903] ctypes documentation MessageBoxA example produces error

[Roundup Robot]

Roundup Robot added the comment:

New changeset 11c3d6a8f5fd by Berker Peksag in branch '3.5':
Issue #21903: Update ctypes example to use MessageBoxW
https://hg.python.org/cpython/rev/11c3d6a8f5fd

New changeset 3031e4a95131 by Berker Peksag in branch '3.6':
Issue #21903: Merge from 3.5
https://hg.python.org/cpython/rev/3031e4a95131

New changeset cb55aedcc7e8 by Berker Peksag in branch 'default':
Issue #21903: Merge from 3.6
https://hg.python.org/cpython/rev/cb55aedcc7e8

--
nosy: +python-dev

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[issue28293] Don't completely dump the regex cache when full

[SilentGhost]

SilentGhost added the comment:

Serhiy, your patch doesn't seem to apply cleanly. Also, it's perhaps worth 
opening the issue if you'd like to continue working on it.

--
nosy: +SilentGhost

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[issue28301] python3.4-config --extension-suffix reports '.cpython-34m.so'

[Lou Picciano]

New submission from Lou Picciano:

python3.4-config --extension-suffix reports '.cpython-34m.so'

Is this behavior as intended? Many build integrations may expect(?) an .so 
extension?

--
components: Extension Modules
messages: 277618
nosy: DrLou
priority: normal
severity: normal
status: open
title: python3.4-config --extension-suffix reports '.cpython-34m.so'
versions: Python 3.4

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[issue28300] [PATCH] Fix misspelled "implemented" word

[SilentGhost]

SilentGhost added the comment:

LGTM

--
assignee:  -> docs@python
components: +Documentation
nosy: +SilentGhost, docs@python
stage:  -> commit review
type:  -> behavior
versions: +Python 3.6

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[issue28296] Add __le__ and __ge__ to collections.Counter

[R. David Murray]

Changes by R. David Murray :


--
status: open -> closed

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[issue28294] HTTPServer server.py assumes sys.stderr != None

[R. David Murray]

R. David Murray added the comment:

That would be masking an error, I think.  What might be reasonable would be to 
convert it to use the logging module in 3.7.

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nosy: +r.david.murray

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[issue28300] [PATCH] Fix misspelled "implemented" word

[Shlomi Fish]

New submission from Shlomi Fish:

This patch fixes two places where "implement" was misspelled. I hereby disclaim 
all ownership of my changes (but crediting me will be appreciated.)

--
files: python-fix-spelling-of-implement.patch
keywords: patch
messages: 277616
nosy: shlomif
priority: normal
severity: normal
status: open
title: [PATCH] Fix misspelled "implemented" word
versions: Python 3.7
Added file: 
http://bugs.python.org/file44866/python-fix-spelling-of-implement.patch

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[issue27275] KeyError thrown by optimised collections.OrderedDict.popitem()

[INADA Naoki]

INADA Naoki added the comment:

lgtm

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nosy: +inada.naoki

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[issue28147] Unbounded memory growth resizing split-table dicts

[INADA Naoki]

INADA Naoki added the comment:

haypo, Could you review fix-28147-py35.patch and fix-28147.patch ?

Draft NEWS entry:

- Issue #28147: Fixed split table dict may consume unlimited memory.

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[issue28299] DirEntry.is_dir() evaluates True for a file on Windows

[Zachary Ware]

Changes by Zachary Ware :


--
stage:  -> resolved

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[issue28299] DirEntry.is_dir() evaluates True for a file on Windows

[Paul Moore]

Paul Moore added the comment:

is_dir is a *method*. To find out if an entry is a directory, you need to call 
it.

So you need

from os import DirEntry, scandir

def test_is_dir():
for item in os.scandir(TEST_DIR):
if item.is_dir():
# ^^ note change
print(item.path)
return

TEST_DIR = '.'
test_is_dir()

--
resolution:  -> not a bug
status: open -> closed

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[issue28183] Clean up and speed up dict iteration

[INADA Naoki]

INADA Naoki added the comment:

Draft Misc/NEWS entry (and commit message) is:

 Core and Builtins
 -

+- Issue #28183: Optimize dict iteration.
+

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[issue28299] DirEntry.is_dir() evaluates True for a file on Windows

[David Staab]

New submission from David Staab:

I'm using Python 3.5.2 on Windows 10 Pro to run the following code with the 
attached file structure.

The test code is:
from os import DirEntry, scandir

def test_is_dir():
for item in os.scandir(TEST_DIR):
if item.is_dir:
print(item.path)
return

TEST_DIR = '.'
test_is_dir()


The console output is:
===
Connected to pydev debugger (build 162.1967.10)
.\20160707
.\scratchpad.py

Process finished with exit code 0
===

I would expect to only see '.\20160707', but "if item.is_dir:" always evaluates 
to True.

I notice that changing the import line to "from os import DirEntry, scandir" 
yields the exception "ImportError: cannot import name 'DirEntry'".

--
components: Windows
files: testmodule.zip
messages: 277611
nosy: David Staab, paul.moore, steve.dower, tim.golden, zach.ware
priority: normal
severity: normal
status: open
title: DirEntry.is_dir() evaluates True for a file on Windows
type: behavior
versions: Python 3.5
Added file: http://bugs.python.org/file44865/testmodule.zip

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[issue28276] test_loading.py - false positive result for "def test_find" when find_library() is not functional or the (shared) library does not exist

[Michael Felt]

Michael Felt added the comment:

ok - false needs to be False and true needs to be True

seemed so simple. Sigh.

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[issue28276] test_loading.py - false positive result for "def test_find" when find_library() is not functional or the (shared) library does not exist

[Michael Felt]

Michael Felt added the comment:

Is this suitable?

def test_find(self):
# to track that at least one call to find_library() found something
found = false
for name in ("c", "m"):
lib = find_library(name)
if lib:
found = true
cdll.LoadLibrary(lib)
CDLL(lib)
# test is FAILED if nothing was found
self.assertTrue(found)

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[issue24549] string.format() should have a safe_substitute equivalent, to be run consecutively

[Eric V. Smith]

Eric V. Smith added the comment:

>> But that would require some discussion, to decide on the correct behaviour.

>What open question(s) do you think of?

You need to provide an exact specification of what you want. It's not clear, 
for example, if you want to support required positional placeholders ({0}, 
etc.) but optionally missing named placeholders ({foo}).

I'd also suggest implementing this as a function, so you can get some 
real-world usage out of it. Maybe:

def format_safe(s, *args, **kwargs):

format_safe("{0} {1} {foo} {bar}", 'one', 'two', bar='bar')
->
'one two {foo} bar}'

or whatever you decide the signature and functionality should be.

You can probably subclass from string.Formatter to do some of the heavy lifting 
for you, so I expect this wouldn't be very hard, depending on what you're 
really after.

While you might find this function useful, I don't want to get your hopes up 
that this would be added to core Python as a member of str. I still don't see 
why this would be better than a single call to .format() that specifies all of 
the parameters. You'd have to have some use case that doesn't involve chaining 
for that to make sense (to me). And maybe functools.partial() or some 
derivative would make sense in that case.

--
status: open -> pending
versions: +Python 3.7 -Python 3.6

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[issue28183] Clean up and speed up dict iteration

[INADA Naoki]

Changes by INADA Naoki :


--
versions: +Python 3.7
Added file: http://bugs.python.org/file44864/dict_iter4.patch

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[issue12974] array module: deprecate '__int__' conversion support for array elements

[Serhiy Storchaka]

Changes by Serhiy Storchaka :


--
nosy: +serhiy.storchaka

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[issue28298] can't set big int-like objects to items in array 'Q', 'L' and 'I'

[Serhiy Storchaka]

Changes by Serhiy Storchaka :


--
nosy: +mark.dickinson, meador.inge

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