[issue23670] Modifications to support iOS as a cross-compilation target

[Russell Keith-Magee]

Russell Keith-Magee added the comment:

Yes - I'm aware of Pythonista; the author of that app contracted me to develop 
the 3.5 patch that is attached to this ticket :-)

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[issue8519] doc: termios and ioctl reference links

[Senthil Kumaran]

Senthil Kumaran added the comment:

Thanks Angad and Anatoly for the patches discussions.
Thank you Berker for review.

Made the changes in all active versions of python. Let this issue reset in 
peace.

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

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[issue8519] doc: termios and ioctl reference links

[Roundup Robot]

Roundup Robot added the comment:

New changeset 55886a6aed4b by Senthil Kumaran in branch '2.7':
[backport to 2.7] - issue8519 - Reference termios and ioctl manual pages in the 
library documentation.
https://hg.python.org/cpython/rev/55886a6aed4b

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[issue8519] doc: termios and ioctl reference links

[Roundup Robot]

Roundup Robot added the comment:

New changeset f53a0566a290 by Senthil Kumaran in branch '3.5':
issue8519 - Reference termios and ioctl manual pages in the library 
documentation.
https://hg.python.org/cpython/rev/f53a0566a290

New changeset 8db146bec24b by Senthil Kumaran in branch 'default':
[merge from 3.5] - issue8519 - Reference termios and ioctl manual pages in the 
library documentation.
https://hg.python.org/cpython/rev/8db146bec24b

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[issue27185] Clarify Test Coverage for the String Module (test_pep292 is not easily discoverable)

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Merged test_pep292.py into test_string.py with preserving the history in 2.7.

This required following steps:

hg mv Lib/test/test_string.py Lib/test/test_string_merged.py
hg commit
hg update -C -r -2
hg mv Lib/test/test_pep292.py Lib/test/test_string_merged.py
hg commit
hg update -C -r -2
hg merge
# Manually merge the content of former test_string.py and test_pep292.py.
hg commit
hg mv Lib/test/test_string_merged.py Lib/test/test_string.py
hg commit
hg push

We now should restore deleted test_pep292.py (is it possible with the history?) 
and repeat above steps in 3.x.

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[issue5150] IDLE to support reindent.py

[Terry J. Reedy]

Terry J. Reedy added the comment:

Having occasionally forgotten, and had to do whitespace commits, I agree.  For 
Python code, there is never an absolute need for trailing whitespace.  Trailing 
whitespace in string literals can be done by parse time concatenation.
'''\
line 1
line 2
''' 'line with trailig space'
Indeed, the trick is needed to mark the trailing space in the code.

I have thought about removing trailing spaces after each return, but pasting 
may be a problem.

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[issue27185] Clarify Test Coverage for the String Module (test_pep292 is not easily discoverable)

[Roundup Robot]

Roundup Robot added the comment:

New changeset 27f5eb630499 by Serhiy Storchaka in branch '2.7':
Issue #27185: Rename test_string.py to test_string_merged.py.
https://hg.python.org/cpython/rev/27f5eb630499

New changeset 8218b1309178 by Serhiy Storchaka in branch '2.7':
Issue #27185: Rename test_pep292.py to test_string_merged.py.
https://hg.python.org/cpython/rev/8218b1309178

New changeset 7dac80e0dd5e by Serhiy Storchaka in branch '2.7':
Issue #27185: Merge test_pep292.py into test_string_merged.py.
https://hg.python.org/cpython/rev/7dac80e0dd5e

New changeset e2e309fb2b1e by Serhiy Storchaka in branch '2.7':
Issue #27185: Rename test_string_merged.py back to test_string.py.
https://hg.python.org/cpython/rev/e2e309fb2b1e

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[issue20699] Document that binary IO classes work with bytes-likes objects

[Martin Panter]

Martin Panter added the comment:

I agree with avoiding the term “bytes-like object” in 2.7. It is easy to be 
specific when talking about concrete classes like BufferedWriter and BytesIO. 
But the harder question is what to specify for the abstract base classes.

In patch v8, I propose to change the documentation to refer to “sequences of 
bytes which are usable with ‘memoryview’ ”. Technically, some of the _pyio 
implementations assume more than this (e.g. len(), iteration and slice 
assignment), but I have left them alone.

--
Added file: http://bugs.python.org/file43141/bytes-like-param.py2.v8.patch

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[issue27167] subprocess reports signal as negative exit status, not documented

[Gregory P. Smith]

Changes by Gregory P. Smith :


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[issue27167] subprocess reports signal as negative exit status, not documented

[Gregory P. Smith]

Gregory P. Smith added the comment:

So this is mostly done... one oddity which may warrant improvement though: 
signal numbers have multiple names.  ie: SIGABRT is also known as SIGIOT, etc.

This is likely to be confusing to if the error message is surfaced to the user 
as most users only know one common name rather than all of them as described in 
their system headers or the signal(7) man page.

I'd rather Python not be in the business of picking which name is more popular, 
but it can generate different error messages for the same signal across 
repeated runs due to hash randomization changing the order of the map in the 
signal.Signals type.

run  python3.5 -c 'import signal; print(signal.Signals(6))'  a handful of times 
to see this.

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[issue27167] subprocess reports signal as negative exit status, not documented

[Roundup Robot]

Roundup Robot added the comment:

New changeset 1022d09d11e5 by Gregory P. Smith in branch 'default':
issue27167: make the test not care about the exact signal name in the
https://hg.python.org/cpython/rev/1022d09d11e5

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[issue2466] os.path.ismount doesn't work for mounts the user doesn't have permission to see

[Robin Roth]

Robin Roth added the comment:

Based on the review by SilentGhost I removed all refactoring-changes and only 
left the one line needed for the fix.

--
Added file: 
http://bugs.python.org/file43140/minimal_fix_ismount_directory_not_readable.patch

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[issue26885] Add parsing support for more types in xmlrpc

[Terry J. Reedy]

Terry J. Reedy added the comment:

Table: I believe the format is that the second column describes Pyhton objects 
that can be marshalled into xml for the rpc.  Sometimes a note is added about 
the 'return' type, which I presume is the Python object unmarshalled from xml.  
From this standpoint,
":class:`int` in range from -2147483648 to 2147483647."
is correct, as well as clearer than the replacement.

I presume 'tags' are in the xml.  "Tag' is meaningless for the returned Python 
objects.  To me "Values get the  tag." is more grammatical and at 
least as clear.

---
+The module now supports unmarshalling additional data types used by
+Apache XML-RPC implementation for numerics and ``None``.

The following is clearer to me, although I am puzzled as the table entry for 
'nil' in unchanged.

+The module now supports unmarshalling ``None`` and additional data
+types used by Apache XML-RPC implementation for numerics.

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[issue27167] subprocess reports signal as negative exit status, not documented

[Roundup Robot]

Roundup Robot added the comment:

New changeset f2d13349ea5d by Gregory P. Smith in branch 'default':
Issue #27167: Clarify the subprocess.CalledProcessError error message text
https://hg.python.org/cpython/rev/f2d13349ea5d

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[issue2466] os.path.ismount doesn't work for mounts the user doesn't have permission to see

[SilentGhost]

Changes by SilentGhost :


--
stage: patch review -> commit review
versions:  -Python 3.2, Python 3.3, Python 3.4

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[issue27181] Add geometric mean to `statistics` module

[Ram Rachum]

Ram Rachum added the comment:

To complicate things further...

I implemented a geometric mean on my own, and then I figured out what I really 
want is a *weighted* geometric mean, so I implemented that for myself. If you'd 
want to include that, that'll be cool. Actually I'm not sure if the goal of the 
`statistics` module is to be comprehensive or minimal. I'm hoping it's meant to 
be comprehensive. But then I'd guess there would be a lot of things you'd want 
to add except my little feature.

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[issue25931] os.fork() command distributed in windows Python27 (in SocketServer module)

[Gregory P. Smith]

Changes by Gregory P. Smith :


--
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stage: needs patch -> commit review
status: open -> closed

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[issue25747] test_idle failure in leaks searching mode

[Terry J. Reedy]

Terry J. Reedy added the comment:

idlever.py is now gone in 3.6.

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[issue25931] os.fork() command distributed in windows Python27 (in SocketServer module)

[Roundup Robot]

Roundup Robot added the comment:

New changeset a4c0208b10df by Gregory P. Smith in branch '2.7':
issue25931: document that socketserver.Forking* are unavailable on platforms
https://hg.python.org/cpython/rev/a4c0208b10df

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[issue25931] os.fork() command distributed in windows Python27 (in SocketServer module)

[Roundup Robot]

Roundup Robot added the comment:

New changeset 015b86646d8e by Gregory P. Smith in branch 'default':
issue25931: document that socketserver.Forking* are unavailable on platforms
https://hg.python.org/cpython/rev/015b86646d8e

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[issue27184] Support path objects in the ntpath module

[Eryk Sun]

Eryk Sun added the comment:

Sorry, I must have missed or misunderstood something. PEP 519 discusses 
modifying os.path. For the os module it only discusses adding fspath and 
updating fsencode and fsdecode. It also discusses a new PyOS_FSPath C API, but 
without any discussion regarding its use in the implementation of the posix / 
nt module, or regarding what built-in os functions should support __fspath__.

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[issue27193] Tkinter Unresponsive With Special Keys

[Ned Deily]

Ned Deily added the comment:

Tkinter is essentially just a think wrapper around the Tk graphical toolkit. 
Keyboard modifier mappings are handled by Tk (or OS X), and not Tkinter.  
Unfortunately, for various reasons, how Tk handles keyboard modifiers varies 
somewhat among OS platforms (Windows-native, X11-based, and OS X-native) and 
even between versions of Tk on the same platform.  One source for more detailed 
information about modifier key differences is the following Tk wiki page:

http://wiki.tcl.tk/28331

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

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[issue25931] os.fork() command distributed in windows Python27 (in SocketServer module)

[Gregory P. Smith]

Gregory P. Smith added the comment:

It may be worth rolling back the above two commits.  I'm not sure.  I'd like to 
see if anything else falls out of this during the beta phases.

There is a chance that some library has code similar to that found in 
test_socketserver.py that defines classes that inherit from the Forking type(s) 
but which are conditionally never used on Windows.  The above commit would 
break that.  I'm not sure how common that'll be.

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[issue27192] Keyboard Shortcuts Consistently Cause Crashes

[Ned Deily]

Ned Deily added the comment:

You are almost certainly seeing a crash due to a critical bug in the 
Apple-supplied version of Tk 8.5 on OS X systems up through at least OS X 
10.11.  See here for more information: 
https://www.python.org/download/mac/tcltk/#apple-8-5-9.

The solution is to use a Python that links with a more, up-to-date third-party 
version of Tcl and Tk, such as Pythons from python.org OS X installers and 
current versions of ActiveTcl from ActiveState:
https://www.python.org/download/mac/tcltk/

--
resolution: duplicate -> third party
superseder: Tkinter Unresponsive With Special Keys -> 

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[issue27185] Clarify Test Coverage for the String Module (test_pep292 is not easily discoverable)

[Benjamin Peterson]

Benjamin Peterson added the comment:

On Thu, Jun 2, 2016, at 18:28, Martin Panter wrote:
> 
> Martin Panter added the comment:
> 
> FWIW I doubt Git is any better at this than Mercurial:
> 
> 
> Git can automatically pick up file renames and copies when analysing the
> history, but has no special metadata for this. I understand Mercurial is
> the opposite (has metadata, but at least by default does not pick up
> copies and renames from the history). Perhaps that is what Benjamin was
> thinking of. I understand Git will only pick up movements of the majority
> of a file, not parts of files (unless something has changed recently).

git blame -C works quite well in my experience for detecting moved lines
of code.

In general, I think we shouldn't be afraid to reorganize code for fear
of breaking "VCS" history. The tools will catch up. (I think they
largely have already.) At worst, one must manually "follow" the move of
some code through history.

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[issue25931] os.fork() command distributed in windows Python27 (in SocketServer module)

[Roundup Robot]

Roundup Robot added the comment:

New changeset 3145242bc81f by Gregory P. Smith in branch 'default':
Issue25931: fix tests broken by the conditional define of socketserver.Forking*
https://hg.python.org/cpython/rev/3145242bc81f

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[issue20408] memoryview() constructor documentation error

[Berker Peksag]

Berker Peksag added the comment:

I think the safest solution is to change 'obj' to 'object' in memoryview 
documentation.

--
assignee:  -> docs@python
components: +Documentation -Interpreter Core
keywords: +easy
nosy: +berker.peksag, docs@python
stage: patch review -> needs patch
versions: +Python 3.6

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[issue19611] inspect.getcallargs doesn't properly interpret set comprehension code objects.

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

I have no idea what relations Argument Clinic have with this issue.

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[issue27194] Tarfile superfluous truncate calls slows extraction.

[Serhiy Storchaka]

Changes by Serhiy Storchaka :


--
nosy: +lars.gustaebel

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[issue27195] Crash when RawIOBase.write(b) evaluates b.format

[Serhiy Storchaka]

Changes by Serhiy Storchaka :


--
nosy: +benjamin.peterson, pitrou, serhiy.storchaka, skrah, stutzbach

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[issue27184] Support path objects in the ntpath module

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Please don't change os.path until all other module will be changed. It may be 
that os.path would not need any change at all.

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[issue27195] Crash when RawIOBase.write(b) evaluates b.format

[Martin Panter]

New submission from Martin Panter:

$ gdb --args ./python -c '
import io
class R(io.RawIOBase):
def writable(self): return True
def write(self, b):
print("About to evaluate {!r}.format".format(b))
b.format
print("Never reached")
   
b = io.BufferedWriter(R())
b.write(b"x")
b.flush()
'
[. . .]
(gdb) run
[. . .]
About to evaluate .format
python: Objects/stringobject.c:120: PyString_FromString: Assertion `str != 
NULL' failed.

Program received signal SIGABRT, Aborted.
0x771422a8 in raise () from /usr/lib/libc.so.6
(gdb) bt full
#0  0x771422a8 in raise () from /usr/lib/libc.so.6
No symbol table info available.
#1  0x7714372a in abort () from /usr/lib/libc.so.6
No symbol table info available.
#2  0x7713b1b7 in __assert_fail_base () from /usr/lib/libc.so.6
No symbol table info available.
#3  0x7713b262 in __assert_fail () from /usr/lib/libc.so.6
No symbol table info available.
#4  0x0046f7b8 in PyString_FromString (str=0x0)
at Objects/stringobject.c:120
size = 0
op = 0x77f9d160
__PRETTY_FUNCTION__ = "PyString_FromString"
#5  0x00562fec in memory_format_get (self=0x76ee4380)
at Objects/memoryobject.c:330
No locals.
#6  0x005587d5 in getset_get (descr=0x77fb93a8, 
obj=0x76ee4380, type=0x81da40 )
at Objects/descrobject.c:146
res = 0x77fb5580
#7  0x004611e6 in _PyObject_GenericGetAttrWithDict (
obj=0x76ee4380, name=0x77f9d160, dict=0x0) at Objects/object.c:1399
tp = 0x81da40 
descr = 0x77fb93a8
res = 0x0
f = 0x55876a 
dictoffset = 8675760
dictptr = 0xf74ab600
__PRETTY_FUNCTION__ = "_PyObject_GenericGetAttrWithDict"
#8  0x0046164a in PyObject_GenericGetAttr (obj=0x76ee4380, 
name=0x77f9d160) at Objects/object.c:1461
No locals.
#9  0x00460ab0 in PyObject_GetAttr (v=0x76ee4380, 
name=0x77f9d160) at Objects/object.c:1196
tp = 0x81da40 
#10 0x004d0dae in PyEval_EvalFrameEx (f=0x77e31c00, throwflag=0)
at Python/ceval.c:2541
[. . .]
#16 0x00421b0e in PyObject_CallMethodObjArgs (callable=0x77e601e0, 
name=0x77fc3820) at Objects/abstract.c:2751
args = 0x76cb94c0
tmp = 0x76ee4350
vargs = {{gp_offset = 24, fp_offset = 48, 
overflow_arg_area = 0x7fffddb0, 
reg_save_area = 0x7fffdcf0}}
#17 0x76a83283 in _bufferedwriter_raw_write (self=0x76ee1318, 
start=0x8ff710 "x", '\313' , ..., len=1) at 
/media/disk/home/proj/python/cpython/Modules/_io/bufferedio.c:1726
buf = {buf = 0x8ff710, obj = 0x0, len = 1, itemsize = 1, readonly = 1, 
  ndim = 1, format = 0x0, shape = 0x7fffdde0, strides = 0x0, 
  suboffsets = 0x0, smalltable = {9432288, 140737488346688}, 
  internal = 0x0}
memobj = 0x76ee4380
res = 0x7fffde60
n = 5605226
errnum = 0
#18 0x76a8360d in _bufferedwriter_flush_unlocked (self=0x76ee1318)
at /media/disk/home/proj/python/cpython/Modules/_io/bufferedio.c:1773
written = 0
n = 1
rewind = 0
#19 0x76a7faf6 in buffered_flush_and_rewind_unlocked (
self=0x76ee1318)
at /media/disk/home/proj/python/cpython/Modules/_io/bufferedio.c:756
res = 0x77fc8700
#20 0x76a7fd52 in buffered_flush (self=0x76ee1318, args=0x0)
at /media/disk/home/proj/python/cpython/Modules/_io/bufferedio.c:783
res = 0x76ee1318
#21 0x004d824c in call_function (pp_stack=0x7fffe078, oparg=0)
at Python/ceval.c:4334
meth = 0x76a7fc4f 
self = 0x76ee1318
flags = 4
tstate = 0x8461b0
na = 0
nk = 0
n = 0
pfunc = 0x77f151e8
func = 0x76cb86f0
x = 0x76ee1318
w = 0x77f151e8
[. . .]

--
components: IO
messages: 267038
nosy: martin.panter
priority: normal
severity: normal
status: open
title: Crash when RawIOBase.write(b) evaluates b.format
type: crash
versions: Python 2.7

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[issue27194] Tarfile superfluous truncate calls slows extraction.

[Jason Fried]

Jason Fried added the comment:

I ran this on Linux ext4.  I didn't see much improvement on OSX with SSD.

--
Added file: http://bugs.python.org/file43139/test.py

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[issue27185] Clarify Test Coverage for the String Module (test_pep292 is not easily discoverable)

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

This is even more complex, since you can't merge a revision with its parent.

A. Start at revision A.
B. Rename test_string to test_string_merged, giving revision B.
A. Update back to revision A.
C. Rename test_pep292 to test_string_merged, giving revision C.
D. Merge revisions B and C, and manually merge the contents of the two 
test_string_merged versions, giving revision D.
E. Rename test_string_merged to test_string, giving the final revision.

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

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[issue27194] Tarfile superfluous truncate calls slows extraction.

[Jason Fried]

New submission from Jason Fried:

With large tar file extracts I noticed that tarfile was slower than it should 
be.  Seems in linux that for large files (10MB) truncate is not always a free 
operation even when it should be a no-op. ex: File is already 10mb seek to end 
and truncate. 

I created a script to test the validity of this patch.  It generates two random 
tar archives containing 1024 files of 10mb each. The files are randomized so 
disk caching should not interfere. 

So to extract those 1g tar files the following was observed
Time Delta for TarFile: 148.23699307441711
Time Delta for FastTarFile: 107.71058106422424
Time Diff: 40.52641201019287 0.27338932859929255

--
components: Library (Lib)
files: truncate.patch
keywords: patch
messages: 267035
nosy: asvetlov, fried, lukasz.langa
priority: normal
severity: normal
status: open
title: Tarfile superfluous truncate calls slows extraction.
type: performance
versions: Python 3.5
Added file: http://bugs.python.org/file43138/truncate.patch

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[issue11501] distutils.archive_util should handle absence of zlib module

[Berker Peksag]

Berker Peksag added the comment:

Tests are already skipped if zlib is not available in 2.7. To backport 
test_make_zipfile_no_zlib we also need the 'patch' helper so I'm not sure it's 
worth it at this point.

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[issue26876] Extend MSVCCompiler class to respect environment variables

[Steve Dower]

Steve Dower added the comment:

I still want the behavior I described, since there's no value in overriding 
just the executable name but not the rest of the path.

For 2.7 I think this'll help with long term maintainability enough to be the 
Right Thing. For 3.5 I'm not as sure, but it's probably worth keeping the 
implementations consistent as long as we can justify it.

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[issue15243] Misleading documentation for __prepare__

[Berker Peksag]

Changes by Berker Peksag :


--
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versions: +Python 3.6 -Python 3.4

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[issue17352] Be clear that __prepare__ must be declared as a class method

[Berker Peksag]

Berker Peksag added the comment:

This is a duplicate of issue 15243.

--
nosy: +berker.peksag
resolution:  -> duplicate
stage:  -> resolved
status: open -> closed
superseder:  -> Misleading documentation for __prepare__

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[issue19489] move quick search box above TOC

[Berker Peksag]

Changes by Berker Peksag :


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[issue17500] move PC/icons/source.xar to http://www.python.org/community/logos/

[Matthias Klose]

Changes by Matthias Klose :


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[issue17500] move PC/icons/source.xar to http://www.python.org/community/logos/

[Matthias Klose]

Matthias Klose added the comment:

even for the window builds, I don't see any use of these icons for any build. I 
filed https://github.com/python/pythondotorg/issues/945 to make these files 
available as downloadable resources. However even if these are not accepted 
there, I think we should remove the PC/icons directory for all active branches.

--

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[issue23670] Modifications to support iOS as a cross-compilation target

[Luke Taylor]

Luke Taylor added the comment:

Are you aware of Pythonista? I have no affiliation, but I'm a fan of the app 
and the community surrounding it. See http://omz-software.com/pythonista/ for 
details. I'm sure communication with the developer of the app could yield some 
useful insights.

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[issue25931] os.fork() command distributed in windows Python27 (in SocketServer module)

[Martin Panter]

Martin Panter added the comment:

This broke test_socketserver:

http://buildbot.python.org/all/builders/AMD64%20Windows7%20SP1%203.x/builds/7709/steps/test/logs/stdio
0:08:57 [193/400/1] test_socketserver failed
test test_socketserver crashed -- Traceback (most recent call last):
  File 
"C:\buildbot.python.org\3.x.kloth-win64\build\lib\test\test_socketserver.py", 
line 371, in 
class ForkingErrorTestServer(socketserver.ForkingMixIn, 
BaseErrorTestServer):
AttributeError: module 'socketserver' has no attribute 'ForkingMixIn'

I am with David that it may not be worthwhile churning the API like this. Just 
document the existing (in 3.5) status that even though the classes exist, they 
need a working os.fork(). Otherwise, everyone that references ForkingMixIn but 
doesn’t use it (like test_socketserver) will have to update their code for 3.6.

--
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[issue27193] Tkinter Unresponsive With Special Keys

[Emanuel Barry]

Changes by Emanuel Barry :


--
components: +Extension Modules
stage:  -> needs patch
type:  -> behavior

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[issue27192] Keyboard Shortcuts Consistently Cause Crashes

[Emanuel Barry]

Changes by Emanuel Barry :


--
resolution:  -> duplicate
stage:  -> resolved
status: open -> closed
superseder:  -> Tkinter Unresponsive With Special Keys

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[issue15476] Index "code object" and link to code object definition

[Tommy Beadle]

Tommy Beadle added the comment:

This restores the original code -> object items.

--
Added file: 
http://bugs.python.org/file43137/0001-Issue-15476-Make-code-object-its-own-entry-in-the-do.patch

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[issue27193] Tkinter Unresponsive With Special Keys

[Harrison Chudleigh]

New submission from Harrison Chudleigh:

When working on my program (the same one where I found Issue 27192), I tried 
adding keyboard shortcuts. I discovered that Tkinter doe not register the keys 
Alt, Command, Control, Fn, Shift and Caps Lock on a Mac.

--
components: Macintosh
messages: 267027
nosy: Harrison Chudleigh, ned.deily, ronaldoussoren
priority: normal
severity: normal
status: open
title: Tkinter Unresponsive With Special Keys
versions: Python 3.4

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[issue27192] Keyboard Shortcuts Consistently Cause Crashes

[Harrison Chudleigh]

New submission from Harrison Chudleigh:

When trying to add keys to my program, I noticed that using the shortcuts 
Alt-e, Alt-i, Alt-n and Alt-u caused IDLE to consistently crash. No odd 
behavior was observed with the corresponding capital letters.

--
components: Macintosh
messages: 267026
nosy: Harrison Chudleigh, ned.deily, ronaldoussoren
priority: normal
severity: normal
status: open
title: Keyboard Shortcuts Consistently Cause Crashes
type: crash
versions: Python 3.4

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[issue27179] subprocess uses wrong encoding on Windows

[Dāvis]

Dāvis added the comment:

if there's no console then os.device_encoding won't fail, it will just return 
None which means that ANSI codepage will be used like it currently is and so 
here it doesn't change anything, current behavior stays.
Also like I showed TextIOWrapper already calls device_encoding even if there's 
no console. And device_encoding doesn't actually use that fd it just checks if 
it's valid fd and then calls GetConsoleCP/GetConsoleOutputCP to get encoding.

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[issue27179] subprocess uses wrong encoding on Windows

[Steve Dower]

Steve Dower added the comment:

> There is right encoding, it's encoding that's actually used.

This is true, but it puts the decision entirely in the hands of the 
developer(s) of the two processes involved.

All IPC on Windows uses bytes, and encodings _always_ need to be negotiated by 
the processes involved. You can't reliably assume or infer anything. The 
closest you get is to assume that both processes are using the same MSVCRT 
version and have not changed the defaults (except Python changes the defaults, 
from text to binary, so that assumption is easily broken).

Using "cmd /u" is one way to negotiate with that process for the shell=True 
case, but all others basically just require an explicit encoding parameter so 
that it can be specified. IMHO, if we make Python default to UTF-8 and 
subprocess use utf_8:errors (mojibake is not acceptable by default) and "cmd 
/u", we cover enough common cases to minimise the need to explicitly specify. 
(A close second best is to default to the console CP if available and default 
locale otherwise.)

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[issue27130] zlib: OverflowError while trying to compress 2^32 bytes or more

[Xiang Zhang]

Xiang Zhang added the comment:

I'd like to help but it'll need some time. And I'd like to start after 
issue27164 is solved. zdict now also checks for 4GB limit.

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[issue27190] Check sqlite3_version before allowing check_same_thread = False

[Berker Peksag]

Changes by Berker Peksag :


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[issue27190] Check sqlite3_version before allowing check_same_thread = False

[Berker Peksag]

Berker Peksag added the comment:

Thanks for the patch. I'm not sure we can apply the patch to bugfix branches. 
You can use SQLITE_VERSION_NUMBER to check sqlite3 version.

--
nosy: +berker.peksag
stage:  -> patch review
versions: +Python 3.6

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[issue27191] Add formatting around methods in PEP 8

[Berker Peksag]

Berker Peksag added the comment:

Thanks!

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

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[issue27191] Add formatting around methods in PEP 8

[Roundup Robot]

Roundup Robot added the comment:

New changeset bf7f369fb49a by Berker Peksag in branch 'default':
Issue #27191: Improve markup of PEP 8, patch by Ian Lee
https://hg.python.org/peps/rev/bf7f369fb49a

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[issue27184] Support path objects in the ntpath module

[Eryk Sun]

New submission from Eryk Sun:

nt is the module name for posixmodule.c on Windows, so I'm changing the title 
to reference ntpath instead. 

Regarding nt, two of its built-in functions are exposed directly in ntpath. 
_isdir is imported as isdir, so it needs a wrapper to support __fspath__. Only 
pathlib uses _getfinalpathname, so for now I think it can be handled there. 
There's also nt._getdiskusage, which is only used by shutil.disk_usage. For 
some reason the PEP doesn't mention updating shutil to support __fspath__.

--
components: +Library (Lib), Windows
nosy: +eryksun, paul.moore, steve.dower, tim.golden, zach.ware
title: Support path objects in the nt module -> Support path objects in the 
ntpath module

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[issue27185] Clarify Test Coverage for the String Module (test_pep292 is not easily discoverable)

[Martin Panter]

Martin Panter added the comment:

FWIW I doubt Git is any better at this than Mercurial: 


Git can automatically pick up file renames and copies when analysing the 
history, but has no special metadata for this. I understand Mercurial is the 
opposite (has metadata, but at least by default does not pick up copies and 
renames from the history). Perhaps that is what Benjamin was thinking of. I 
understand Git will only pick up movements of the majority of a file, not parts 
of files (unless something has changed recently).

Perhaps Serhiy can clarify, but I imagine he was proposing something like this 
(which I have not tested):

A. Start at revision A
B. Remove test_string and rename test_pep292 in its place, giving revision B
C. Merge revisions A and B, and manually merge the contents of the two 
test_string versions, giving the final revision

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[issue22890] StringIO.StringIO pickled in 2.7 is not unpickleable on 3.x

[Mark Lawrence]

Changes by Mark Lawrence :


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[issue27187] Relax __all__ location requirement in PEP 8

[John Mark Vandenberg]

Changes by John Mark Vandenberg :


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[issue22890] StringIO.StringIO pickled in 2.7 is not unpickleable on 3.x

[Jelle Zijlstra]

Jelle Zijlstra added the comment:

Unless I'm missing something, StringIO doesn't exist as a module in Python 3, 
as mentioned in 
https://docs.python.org/3.0/whatsnew/3.0.html#text-vs-data-instead-of-unicode-vs-8-bit.

If you're trying to unpickle in 3.x an object pickled by 2.7.x, I'm not sure 
there is a guarantee that unpickling works for objects in modules that were 
renamed between 2.x and 3.x. This also doesn't work if you pickle a 
ConfigParser in 2.7 and unpickle it in 3.x.

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[issue25812] locale.nl_langinfo() can't decode value

[Nina Zakharenko]

Nina Zakharenko added the comment:

Adding the test below to test__locale.py will reproduce the issue under the 
following conditions:
- The locale `uk_UA` is installed on your system.
- 'uk_UA': (',', '\xa0') is added to the `known_numerics` dictionary in this 
test file

@unittest.skipUnless(nl_langinfo, "nl_langinfo is not available")
def test_lc_numeric_not_char_nl_langinfo(self):
# Test nl_langinfo against known values/
# It should still work if there's a mismatch between
# String & Numeric Locales
tested = False
for loc in candidate_locales:
try:
setlocale(LC_NUMERIC, loc)
except Error:
continue
for li, lc in ((RADIXCHAR, "decimal_point"),
(THOUSEP, "thousands_sep")):
if self.numeric_tester('nl_langinfo', nl_langinfo(li), lc, loc):
tested = True
if not tested:
self.skipTest('no suitable locales')

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[issue15476] Index "code object" and link to code object definition

[Mark Lawrence]

Changes by Mark Lawrence :


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[issue18751] A manager's server never joins its threads

[Mark Lawrence]

Changes by Mark Lawrence :


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[issue27191] Add formatting around methods in PEP 8

[Ian Lee]

New submission from Ian Lee:

Noticed a couple methods in the text that aren't backtick quoted.

--
assignee: docs@python
components: Documentation
files: rst-formatting.txt
messages: 267015
nosy: IanLee1521, barry, docs@python
priority: normal
severity: normal
status: open
title: Add formatting around methods in PEP 8
Added file: http://bugs.python.org/file43136/rst-formatting.txt

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[issue27187] Relax __all__ location requirement in PEP 8

[Ian Lee]

Ian Lee added the comment:

I added a comment on a pull request related to this that shows some of the 
cases that we probably don't want to allow: 
https://github.com/PyCQA/pycodestyle/pull/523#issuecomment-223464775

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[issue27190] Check sqlite3_version before allowing check_same_thread = False

[Dave Sawyer]

New submission from Dave Sawyer:

Starting in sqlite version 3.3.1 (Jan 2006) multiple threads can share the same 
connection. Python allows you do use this with the check_same_thread parameter 
of sqlite3.connect() method. It's almost certain users have a late enough 
version of sqlite that they can use this option. While we could document "check 
your version before using this feature" (see http://bugs.python.org/issue27113) 
it would be nicer to check the actual database for support. Code can be written 
and tested on one machine and deployed to another machine. Using this feature 
on an very old version of sqlite can crash or possibly corrupt the database.

--
files: sqlite_oldver_issue.txt
messages: 267013
nosy: Dave Sawyer
priority: normal
severity: normal
status: open
title: Check sqlite3_version before allowing check_same_thread = False
type: enhancement
Added file: http://bugs.python.org/file43135/sqlite_oldver_issue.txt

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[issue23061] Update pep8 to specify explicitly 'module level' imports at top of file

[Ian Lee]

Ian Lee added the comment:

Are there any other concerns with the patch that I would be able to clean up?

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[issue27187] Relax __all__ location requirement in PEP 8

[Ian Lee]

Changes by Ian Lee :


Added file: http://bugs.python.org/file43134/issue-27187-patch2.txt

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[issue15476] Index "code object" and link to code object definition

[R. David Murray]

R. David Murray added the comment:

Since the main object of the issue is to have a canonical reference to use for 
linking 'code object' from elsewhere in the text, I think that can be satisfied 
by existing _bltin-code-objects 'ref' link as Terry suggests, even though it is 
a bit awkward to use.  The changes to the index position are good, I think, as 
is having a direct index entry for 'code object'.  However, following the model 
laid down by 'class object', the existing index entries under object should not 
be lost, but instead the new 'code object' index links should be added.

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[issue27113] sqlite3 connect parameter "check_same_thread" not documented

[Dave Sawyer]

Dave Sawyer added the comment:

Hi Thomas and Senthil, for the serialized setting I mentioned earlier "The 
serialized mode is default on both Mac and Windows so we can probably skip 
validating that. I did like mentioning the user needs to serialize the writes. 
They could use one thread for writing only or use locking. So, I just said to 
serialize."

to go into more detail, when serialize is set you don't need to worry that 
using multiple threads will WRECK your database. But, you still need to make 
sure your own writes get serialized or you will mix transactions together. Each 
connection only has one transaction in progress so if you share that connection 
between threads... watch out for your writes. Now if only one thread in your 
application writes and the other threads read you have no serialization issues 
to worry about. If two threads make updates without a threading.Lock than you 
can get 1.5 changes committed (and perhaps 0.5 later or if that had an error 
you might rollback that 0.5 of a transaction). You could also get the first 
thread to commit both changes and when the later thread calls commit get an 
error that is "no transaction in progress."

I thought "serialize" neatly encapsulated the two most common strategies here 
for shared connections - either a dedicated writer thread or using a python 
lock around your transactions. As Thomas points out you can also opt to give 
each thread its own connection... but then you don't need the check_same_thread 
parameter set to False as you are not sharing the connection.

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[issue27167] subprocess reports signal as negative exit status, not documented

[Gregory P. Smith]

Gregory P. Smith added the comment:

docs updated (7b12180481da and 19d77132f38d).

working on the error message update.

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[issue27187] Relax __all__ location requirement in PEP 8

[Ian Lee]

Ian Lee added the comment:

I might also suggest that the entire "Version bookkeeping" section could be 
removed in this case, as it would be covered by my newly added dunder section.

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[issue25702] Link Time Optimizations support for GCC and CLANG

[Gregory P. Smith]

Gregory P. Smith added the comment:

the main part of this issue is done but it can't be closed until the 
dependencies listed are also dealt with.  un-assigning myself.

--
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resolution:  -> fixed

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[issue27186] add os.fspath()

[Dusty Phillips]

Changes by Dusty Phillips :


Removed file: http://bugs.python.org/file43123/issue27186.buchuki.patch

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[issue25931] os.fork() command distributed in windows Python27 (in SocketServer module)

[R. David Murray]

R. David Murray added the comment:

Well, defined for 3.6, and "functional" for 2.7 and 3.5 docs.

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[issue25931] os.fork() command distributed in windows Python27 (in SocketServer module)

[R. David Murray]

R. David Murray added the comment:

Your news entry says "don't defining".  The doc note can say that the classes 
are only defined if the platform supports fork.

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[issue27186] add os.fspath()

[Dusty Phillips]

Dusty Phillips added the comment:

This patch adds fspath protocol and constructor initialization to pathlib.Path.

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Added file: http://bugs.python.org/file43133/issue27186-pathlib.buchuki.patch

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[issue27137] Python implementation of `functools.partial` is not a class

[Nick Coghlan]

Nick Coghlan added the comment:

As Raymond notes, the main downside here is in terms of code complexity. 
However, the concrete gain is that APIs that rely on callable pickling, such as 
concurrent.futures with a ProcessPoolExecutor, would be consistently compatible 
with functools.partial:

>>> from concurrent.futures import ProcessPoolExecutor
>>> from functools import partial
>>> with ProcessPoolExecutor() as pool:
... pool.submit(print, "hello")
... pool.submit(partial(print, "hello"))
... 


hello
hello

At the moment, such code will fail if _functools is unavailable, since closures 
don't support pickling (unpickling functions involves looking them up by name, 
which isn't possible with closures)

The other main benefit is retaining the custom __repr__ when falling back to 
the Python implementation:

>>> partial(print, "hello")
functools.partial(, 'hello')

At the moment, the closure-based version instead gives:

>>> partial(print, "hello")
.newfunc at 0x7f4fd6e0aea0>

Preserving those two capabilities seems sufficiently worthwhile to me to 
justify the extra code complexity and the greater speed penalty when the 
accelerator module isn't available (I'm assuming that in runtimes using a JIT 
compiler the speed difference should be negligible in practice)

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[issue27187] Relax __all__ location requirement in PEP 8

[Ian Lee]

Ian Lee added the comment:

I think that it should be updated to specify that all dunders ('__all__', 
'__version__', '__author__', etc) should be placed after the module docstring 
and before any imports. See issue-27187-patch1.txt for a possible update.

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Added file: http://bugs.python.org/file43132/issue-27187-patch1.txt

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[issue25931] os.fork() command distributed in windows Python27 (in SocketServer module)

[Gregory P. Smith]

Gregory P. Smith added the comment:

I made the change to not export the Forking names on Windows or other 
non-os.fork() supporting platforms in 3.6 only as it is arguably an API change, 
even though the names it removes would effectively be unusable on those 
platforms anyways.

the docs still need updating.

--
nosy: +gregory.p.smith
versions:  -Python 3.6

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[issue22797] urllib.request.urlopen documentation falsely guarantees that a URLError will be raised on errors

[Alexander Liu]

Alexander Liu added the comment:

Fixed the docs to specifically note that only protocol related errors raise the 
UrlError exception.

--
nosy: +alex_thebear
versions: +Python 3.6 -Python 3.4
Added file: http://bugs.python.org/file43131/urlopen_doc.patch

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[issue25931] os.fork() command distributed in windows Python27 (in SocketServer module)

[Roundup Robot]

Roundup Robot added the comment:

New changeset d772400a1211 by Gregory P. Smith in branch 'default':
Issue #25931: Don't defining socketserver.Forking* names on platforms such
https://hg.python.org/cpython/rev/d772400a1211

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[issue27038] Make os.DirEntry exist

[Jelle Zijlstra]

Changes by Jelle Zijlstra :


--
keywords: +patch
Added file: http://bugs.python.org/file43130/issue27038.patch

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[issue26829] update docs: when creating classes a new dict is created for the final class object

[R. David Murray]

R. David Murray added the comment:

Thanks, Emily.

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

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[issue26829] update docs: when creating classes a new dict is created for the final class object

[Roundup Robot]

Roundup Robot added the comment:

New changeset 754118f8b3ce by R David Murray in branch '3.5':
#26829: Clarify that namespace is copied to a new __dict__ in instance creation.
https://hg.python.org/cpython/rev/754118f8b3ce

New changeset 5a4ace14b350 by R David Murray in branch 'default':
Merge: #26829: Clarify that namespace is copied to a new __dict__ in instance 
creation.
https://hg.python.org/cpython/rev/5a4ace14b350

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[issue25738] http.server doesn't handle RESET CONTENT status correctly

[Susumu Koshiba]

Susumu Koshiba added the comment:

Patched the behaviors when NO_CONTENT and RESET_CONTENT are sent via 
send_error(). According to RFCs, they aren't actually errors so sending them 
through send_response() seems to make the most sense, however.

send_error()'s behavior changes in this patch are:
 - Removed content-length field in the header for NO_CONTENT as per the RFC
 - Removed content-length field in the header for RESET_CONTENT also to comply 
with option c) mentioned in RFC7321 6.3.6

--
keywords: +patch
nosy: +Susumu Koshiba
versions: +Python 3.6
Added file: http://bugs.python.org/file43129/issue25738_http_reset_content.patch

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[issue27186] add os.fspath()

[Jelle Zijlstra]

Changes by Jelle Zijlstra :


Added file: http://bugs.python.org/file43128/issue27186-DirEntry-fspath.patch

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[issue26589] Add HTTP Response code 451

[Martin Panter]

Martin Panter added the comment:

Don’t forget to fix the RFC number (see review) :)

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[issue27185] Clarify Test Coverage for the String Module (test_pep292 is not easily discoverable)

[Erin Braswell]

Erin Braswell added the comment:

Hooray thank you everyone!

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[issue25702] Link Time Optimizations support for GCC and CLANG

[Roundup Robot]

Roundup Robot added the comment:

New changeset f710dac07312 by Gregory P. Smith in branch '2.7':
Issue #25702: A --with-lto configure option has been added that will
https://hg.python.org/cpython/rev/f710dac07312

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[issue26829] update docs: when creating classes a new dict is created for the final class object

[Emily Morehouse]

Emily Morehouse added the comment:

Trimmed down by keeping the more explicit explanation and taking into account 
suggestions.

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Added file: http://bugs.python.org/file43127/26829-v3.patch

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[issue27185] Clarify Test Coverage for the String Module (test_pep292 is not easily discoverable)

[R. David Murray]

R. David Murray added the comment:

Thanks, Erin.

--
resolution:  -> fixed
stage:  -> resolved
status: open -> closed
versions: +Python 3.5, Python 3.6

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[issue27185] Clarify Test Coverage for the String Module (test_pep292 is not easily discoverable)

[Roundup Robot]

Roundup Robot added the comment:

New changeset 89abefdebf4d by R David Murray in branch '3.5':
#27185: move test_pep292 into test_string.
https://hg.python.org/cpython/rev/89abefdebf4d

New changeset c2d3d8c3e0bf by R David Murray in branch 'default':
Merge: #27185: move test_pep292 into test_string.
https://hg.python.org/cpython/rev/c2d3d8c3e0bf

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[issue15476] Index "code object" and link to code object definition

[Tommy Beadle]

Tommy Beadle added the comment:

The attached patch makes it so that 'code object' is its own 'top-level' entry 
in the index instead of being 'code' with an 'object' sub-item.  It also makes 
the links from the index go to the location in the documents just before the 
header instead of having the header be off-screen when the user navigates to it.

One thing about the ordering of the generated links, though, is that sphinx 
appears to generate them based on the alphabetical ordering of the path to the 
files that they're in:

c-api/code.rst
library/marshal.rst
library/stdtypes.rst
reference/datamodel.rst

If the order is that important, I believe it would require us to create 
sub-items that could look like this:

code object
C API
built-in type
type reference
marshaling

It didn't seem like other indexed entries follow this breakout pattern, but if 
that's what's desired for this case, just let me know and I'll submit a 
different patch.

--
keywords: +patch
nosy: +tbeadle
Added file: 
http://bugs.python.org/file43126/0001-Issue-15476-Make-code-object-its-own-entry-in-the-do.patch

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[issue19611] inspect.getcallargs doesn't properly interpret set comprehension code objects.

[Nick Coghlan]

Nick Coghlan added the comment:

Oh, I see what you mean, now - we can special case the compiler-generated ".N" 
names when extracting the signature.

I like it - make the claimed parameter something like "implicit0" instead of 
".0", mention that in the note on the docs, and folks may have some chance of 
working out what's going on if they manage to stumble across this behaviour.

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[issue26829] update docs: when creating classes a new dict is created for the final class object

[R. David Murray]

R. David Murray added the comment:

I can't get the rietveld review tool to work from this network, so I'll do this 
in a comment.  This looks pretty good to me, but in the following:

  +It is important to note that during the creation of the class, a copy of the
  +namespace object is used in the final class object and the original namespace
  +object is discarded. More explicitly, this means that when ``type.__new__`` 
is
  +called, the object provided as the namespace parameter has its contents 
copied
  +to a standard Python dictionary.

I think it is more in keeping with the style of the rest of the doc to boil 
this down as much as possible.  We can drop the "It is important to note that", 
and just state the issue once, using the "more explicit" version.  I think 
borrowing your revised language from the type docs would work well here, by 
adding "which becomes the __dict__ of the class object" to the end of that 
sentence.

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[issue24291] Many servers (wsgiref, http.server, etc) can truncate large output blobs

[Martin Panter]

Martin Panter added the comment:

I prefer your first solution because it seems to fit in better with how things 
were intended.

I can add in handling of partial writes with a deprecation warning when I get a 
chance. I guess the documentation would be something like “Since 3.5.2, partial 
writes are also handled, but this is deprecated.”

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[issue26266] add classattribute to enum to handle non-Enum attributes

[Ethan Furman]

Ethan Furman added the comment:

One possible downside to the `classattribute` route is that we have a 
descriptor whose only purpose is to shield the item from becoming a member; the 
up-side is that it's simple to implement.

Another possibility is `skip`:

class skip:
"""
Protects item from becaming an Enum member during class creation.
"""
def __init__(self, value):
self.value = value

def __get__(self, instance, ownerclass=None):
return self.value

The advantage is that it is replaced by the metaclass with the stored value, so 
we have no extraneous descriptor after the Enum is created; the downside is 
that it requires change in the metaclass to do the right thing.

Thoughts?

--
stage:  -> needs patch
type: behavior -> enhancement

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[issue27186] add os.fspath()

[Jelle Zijlstra]

Jelle Zijlstra added the comment:

This patch adds the C implementation (copied from the PEP).

Some notes:
- I added a new .h file in Include/ because there didn't seem to be an obvious 
existing place to put it.
- There was some uncertainty about whether we should Py_INCREF the string or 
bytes returned when a string/bytes is passed in. Running test -l and -L works 
with the Py_INCREF in and we're adding a new reference to the module, so I 
think this is correct.

--
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Added file: http://bugs.python.org/file43125/issue27186.patch

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