[issue28097] IDLE: document all key bindings, add menu items for more.

[Terry J. Reedy]

New submission from Terry J. Reedy:

(Follow-up to #15308, which added ^C Interrupt Execution to doc and Shell menu, 
and to #27120, which proposed to add ^/ Toggle Highlighting, until I realized 
that that should be part of #6858, about highlighting non-.py files.)

Every IDLE function should be documented.  More should be on menu.  Perhaps add 
Move/delete menus for cursor movement and directional deletion, if not a 
diagram.

Another idea.  A searchable current key binding list, possible sortable by key 
as well as function.  It should include fixed builtin bindings as well as 
extension bindings.  See #27120 for motivation.

Side issue 1: Menu entries for extensions do not reflect customization (? 
verify, from Roger).

Side issue 2: Menus need to be tested.

--
assignee: terry.reedy
components: IDLE
messages: 275980
nosy: terry.reedy
priority: normal
severity: normal
stage: needs patch
status: open
title: IDLE: document all key bindings, add menu items for more.
type: behavior
versions: Python 3.6

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[issue6858] This is a python file, apply syntax highlighting

[Terry J. Reedy]

Terry J. Reedy added the comment:

There exists a <> bound (at least on Windows) to ^/.  
When toggled off, it does not removes existing highlighting.  So accidentally 
hitting the key has no immediate visible effect (see #27170 for problem this 
caused someone.)  It does re-highlight existing code when toggled on.  The turn 
off part should be fixed and maybe a status bar message given.

It only applies to .py files.  With a .txt, it selects the entire file, 
including the trailing blank (which ^A omits).  For this issue, it should be 
fixed to allow for any file, just starting off for non .py files.

It is one of many key bindings not in doc or not on menu.  #28097 is about this 
general issue.

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[issue17941] namedtuple should support fully qualified name for more portable pickling

[Raymond Hettinger]

Changes by Raymond Hettinger :


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

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[issue17941] namedtuple should support fully qualified name for more portable pickling

[Roundup Robot]

Roundup Robot added the comment:

New changeset c8851a0ce7ca by Raymond Hettinger in branch 'default':
Issue #17941: Add a *module* parameter to collections.namedtuple()
https://hg.python.org/cpython/rev/c8851a0ce7ca

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[issue25478] Consider adding a normalize() method to collections.Counter()

[Raymond Hettinger]

Changes by Raymond Hettinger :


--
versions: +Python 3.7 -Python 3.6

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[issue27405] Ability to trace Tcl commands executed by Tkinter

[Terry J. Reedy]

Terry J. Reedy added the comment:

The patch changes 4 non-tkinter clinic files.  Accident?  All 4 are rejected.  
Will compile and test tkinter changes.

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[issue28092] Build failure for 3.6 on Centos 5.11

[Wolfgang Langner]

Wolfgang Langner added the comment:

This can be related to building manylinux1 binaries where the Centos 5.11 is 
used.
There can be a possibility to break manaylinux1 builds for Python 3.6, they are 
used to distribute packages for every Linux distribution.

https://www.python.org/dev/peps/pep-0513/

--
nosy: +tds333

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[issue28096] set.difference() is not interruptible

[Raymond Hettinger]

Raymond Hettinger added the comment:

This is no different than the many other places in Python where you can tell 
the language to go on an infinite wild goose chase:  sum(count()), 
list(count()), etc.  I believe there is already a tracker item open for such 
things.  Someone is going to have to make a decision whether to slow-down every 
single possible input source, or slow-down every possible consumer, or to just 
punt, because this never comes up in practice.

--
resolution:  -> duplicate
status: open -> closed

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[issue6858] This is a python file, apply syntax highlighting

[Raymond Hettinger]

Raymond Hettinger added the comment:

+0 from me.

--
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[issue28098] sys.getsizeof(0) is incorrect

[Mark Dickinson]

New submission from Mark Dickinson:

Low-priority issue, possibly not worth fixing at all, but maybe worth recording.

sys.getsizeof(0) currently reports 24 on a 64-bit machine using 30-bit limbs. 
That's inaccurate, since we're actually allocating 28 bytes for 0 as part of 
the small-int cache. PyLong_FromLong also always requests at least one limb.

--
assignee: mark.dickinson
components: Interpreter Core
messages: 275987
nosy: mark.dickinson
priority: low
severity: normal
stage: needs patch
status: open
title: sys.getsizeof(0) is incorrect
type: behavior
versions: Python 3.5, Python 3.6

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[issue27405] Ability to trace Tcl commands executed by Tkinter

[Terry J. Reedy]

Terry J. Reedy added the comment:

Much better.  I can more or less follow IDLE startup.
>>> import tkinter
>>> tkinter.debug
False
>>> tkinter.debug = True
>>> import idlelib.idle
proc tkerror {} {}
proc exit {} {}
proc 27305592destroy {} {>}
wm protocol . WM_DELETE_WINDOW 27305592destroy
wm withdraw .
wm iconbitmap . -default F:\\Python\\dev\\36\\lib\\idlelib\\Icons\\idle.ico
tcl_wordBreakAfter {a b} 0
set tcl_wordchars [a-zA-Z0-9_]
set tcl_nonwordchars [^a-zA-Z0-9_]
tk windowingsystem  
menu .`menu
toplevel .`listedtoplevel -menu .`menu
wm iconname . None
wm iconname .`listedtoplevel {}
wm title . None
wm title .`listedtoplevel idle
...
proc 67104888handler {} {>}
bind .`listedtoplevel.`frame.text  if\ \{"[67104888handler\ 
%#\ %b\ %f\ %h\ %k\ %s\ %t\ %w\ %x\ %y\ %A\ %E\ %K\ %N\ %W\ %T\ %X\ %Y\ %D]"\ 
==\ "break"\}\ break\
... # lots of above, binding for Shell window. Default print is noisy.
# I presume a custom handler that recognizes 'proc' could be better.

menu .`menu.file -tearoff 0
.`menu add cascade -label File -menu .`menu.file -underline 0
... # menu for Shell
.`menu.file add command -label {New File} -underline 0 -command 62029624command 
-accelerator Ctrl+N
... # more menu - new names **really** help!!!

Will ...settrace(None)?  Aside from that, I would like to see this in 3.6. (ie, 
applied now, upgraded later, if definitely safe).  (Note: 4AM here, so this is 
best I can review now ;-).

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[issue28098] sys.getsizeof(0) is incorrect

[Mark Dickinson]

Mark Dickinson added the comment:

Related: http://bugs.python.org/issue3690

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[issue28044] Make the sidebar in the documentation follow the section automatically

[Batiste]

Batiste added the comment:

Here is a second patch which is improved in some ways:

1. removed the '.headerlink .headerlink'
2. when scrolling over the side bar the 'snappin' is disabled therefor it is 
rather easy to search and find the desired section or the search box
3. removed an error when collapsing the menu
4. Scrolling all the way down with a small viewport doesn't push the sidebar 
over the footer

--
Added file: http://bugs.python.org/file44590/following-sidebar-2.patch

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[issue27405] Ability to trace Tcl commands executed by Tkinter

[Terry J. Reedy]

Terry J. Reedy added the comment:

I ran idle and tcl/tk/ttk tests.  all pass with and without patch. text_tcl 
before and with patch ends with warning: Windows fatal exception: access 
violation.  I have seen this for perhaps a couple of weeks (check windows 
buildbot), but not forever.  You should probably try to fix.

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[issue27405] Ability to trace Tcl commands executed by Tkinter

[Terry J. Reedy]

Terry J. Reedy added the comment:

If not in 3.6, I can still apply patch from shelf, recompile, use for awhile, 
re-shelve, recompile.  So not tragedy if miss deadline.

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[issue28044] Make the sidebar in the documentation follow the section automatically

[Batiste]

Batiste added the comment:

Minor typo fix.

--
Added file: http://bugs.python.org/file44591/following-sidebar-3.patch

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[issue28098] sys.getsizeof(0) is incorrect

[Mark Dickinson]

Mark Dickinson added the comment:

I don't think anything has changed substantially since the discussion in issue 
3690. Closing as "won't fix".

--
resolution:  -> wont fix
status: open -> closed

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[issue15819] Unable to build Python out-of-tree when source tree is readonly.

[Kubilay Kocak]

Kubilay Kocak added the comment:

@Martin tldr; That was three years ago so I don't know if the issue remains. 
Perhaps a new out of tree builder will help answer that question.

We(FreeBSD) gave up^W switched away from out of tree builds due to lack of 
support getting issues fixed and the frequency at which commits would 
alternately break in tree builds then out of tree builds.

Unfortunately that also lost us the flexibility to create dual static/shared 
builds.

The relevant downstream commit log: 
https://svnweb.freebsd.org/ports?view=revision&revision=350610

The patch we added (reverting 2dde5a7439fd) that was mentioned in msg203348 
was: 

https://svnweb.freebsd.org/ports/head/lang/python27/files/patch-Makefile.pre.in?view=markup&pathrev=318353

If the current code is the same as per the 2dde5a7439fd change, then I'd guess 
it would still be an issue.

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[issue28080] Allow reading member names with bogus encodings in zipfile

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Sorry, I can't push the patch in a haste. In needs more design discussion, 
comparing with other implementations (I found only that ZipFile in Java can 
take the charset argument, but "charset" is common name for text encoding in 
Java), wider discussion. The problem exists for years, and there are 
workarounds.

--
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[issue28092] Build failure for 3.6 on Centos 5.11

[Ned Deily]

Ned Deily added the comment:

Do we know for sure that the manylinux1 builds are affected by this, i.e. can 
someone try building manylinux1 for 3.6?

On the one hand, it is clear that many core developers would like to use these 
newer features of C, features that have been available for many years.  On the 
other, we may be breaking the "manylinux1" proposed standard and force a move 
to a newer one, as well as directly impacting some users (such as Steven and 
one of our buildbots) using old setups.

Nick, as BDFL-Delegate for PEP 513, what do you think?  We need to resolve this 
issue before we can release b1.

--
nosy: +ncoghlan
priority: normal -> release blocker

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[issue25478] Consider adding a normalize() method to collections.Counter()

[SilentGhost]

SilentGhost added the comment:

Floats are also not fully supported by the Counter class, for example,
sorted(Counter(a=1.0).elements()) results in TypeError.

--
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[issue28044] Make the sidebar in the documentation follow the section automatically

[Batiste]

Batiste added the comment:

So answer to your comments SilentGhost:

I had a look at what Mozilla recommend. Their proposition of using 
position:sticky is interesting and probably possible for this use case but 
might require quite a bit of extra work. There is also the other suggestion to 
use something like https://lodash.com/docs/4.15.0#debounce but that would mean 
more jumpy animations but less computation. Also there is this 
http://caniuse.com/#feat=css-snappoints that would solve the issue created just 
before but it is not well supported yet.

All in all interesting points.

Off course I am willing to spend some time on optimization this if necessary. 
But before that I might want to have some kind of "approval" that my work as a 
chance to be used.

And I have a question for you R. David Murray. Look here for example:

https://docs.python.org/3/library/asyncio-protocol.html#udp-echo-server-protocol

What is the value of having an empty left sidebar here? Shoudn't we remove the 
sidebar completly if you have to scroll all the way up anyway? I don't really 
see the value for this sidebar in many of the long pages Python documentation 
offers.

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[issue27405] Ability to trace Tcl commands executed by Tkinter

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

This feature is useful first at all for us, core developers. I think we could 
add it with provisional status in the beta stage or wait to 3.7. In any case 
the documentation and tests are not ready yet.

--
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[issue24821] The optimization of string search can cause pessimization

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

I would commit the patch before beta 1, but:

1) The issue can be considered not as a new feature, but as a fix of 
performance bug (just we don't will to backport the fix to 3.5). I think the 
patch can be committed at the beta stage.

2) I would want to tune magic constants. I experimented on my two computers, 
and thing they are good enough, but would be nice to test them on other 
computers. I need to write automatic benchmark for running on foreign 
computers. This will take a time.

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[issue24821] The optimization of string search can cause pessimization

[Serhiy Storchaka]

Changes by Serhiy Storchaka :


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nosy: +ned.deily

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[issue28061] Compact dict bug on Windows (Visual Studio): if (mp->ma_keys->dk_usable * 3 < other->ma_used * 2)

[STINNER Victor]

STINNER Victor added the comment:

I just rebuilt the default Python branch (rev c8851a0ce7ca) on Windows in debug 
mode and 32-bit: the compilation succeeded and test_dict pass.

* Windows 8.1 (Version 6.3, Build 9600)
* Visual Studio 2015 : version 14.0.23107.0 D14EL


> It's unlikely, but we also print out the UCRT version at the end of the build 
> process (with a warning if you need to update the WinSDK).

Ah, UCRT seems outdated on my PC:

29>-- Rebuild All started: Project: _testbuffer, Configuration: Debug Win32 
--
27>  Generating Code...
26>  C:\Windows\SYSTEM32\ucrtbased.dll is version 10.0.10150.0
26>  WARN: ucrtbased contains known issues. Please update the Windows 10 SDK.
26>  See:
26>http://bugs.python.org/issue27705
26>https://developer.microsoft.com/en-US/windows/downloads/windows-10-sdk

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[issue28093] ResourceWarning in test_ssl

[Roundup Robot]

Roundup Robot added the comment:

New changeset cf2689e191f8 by Christian Heimes in branch 'default':
Issue #28093: Check more invalid combinations of PROTOCOL_TLS_CLIENT / 
PROTOCOL_TLS_SERVER
https://hg.python.org/cpython/rev/cf2689e191f8

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[issue27213] Rework CALL_FUNCTION* opcodes

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

I have committed the patch before beta 1 because it change bytecode generating 
and interpreting. The bytecode generated before the patch is compatible with 
the patched interpreter, but the bytecode generated by patched compiler can be 
not compatible with unpatched interpreter. After releasing beta 1 this would 
require changing bytecode magic number.

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[issue24821] The optimization of string search can cause pessimization

[Ned Deily]

Ned Deily added the comment:

If it has waited this long and is truly low priority, I think it can wait a 
little longer until 3.7.

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[issue27213] Rework CALL_FUNCTION* opcodes

[STINNER Victor]

STINNER Victor added the comment:

The change 51b635e81958 introduced memory leaks. Example:

$ ./python -m test -R 3:3 test_extcall
(...)
test_extcall leaked [102, 102, 102] references, sum=306
test_extcall leaked [41, 41, 41] memory blocks, sum=123

I'm analyzing the change to try to identify leaks.

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[issue25478] Consider adding a normalize() method to collections.Counter()

[SilentGhost]

Changes by SilentGhost :


--
Removed message: http://bugs.python.org/msg275998

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[issue25478] Consider adding a normalize() method to collections.Counter()

[SilentGhost]

Changes by SilentGhost :


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[issue27405] Ability to trace Tcl commands executed by Tkinter

[Ned Deily]

Ned Deily added the comment:

Let's target it for 3.7 and when it is ready we can discuss whether to backport 
it to 3.6 as well.

--
versions: +Python 3.7 -Python 3.6

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[issue27213] Rework CALL_FUNCTION* opcodes

[Roundup Robot]

Roundup Robot added the comment:

New changeset f217419d08f0 by Victor Stinner in branch 'default':
Issue #27213: Fix reference leaks
https://hg.python.org/cpython/rev/f217419d08f0

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[issue28093] ResourceWarning in test_ssl

[Xiang Zhang]

Xiang Zhang added the comment:

The warning is gone. Close this thread. :)

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

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[issue15819] Unable to build Python out-of-tree when source tree is readonly.

[Petri Lehtinen]

Changes by Petri Lehtinen :


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[issue27744] Add AF_ALG (Linux Kernel crypto) to socket module

[Roundup Robot]

Roundup Robot added the comment:

New changeset a951f8f30922 by Victor Stinner in branch 'default':
Cleanup socketmodule.c
https://hg.python.org/cpython/rev/a951f8f30922

New changeset 3a6917c73857 by Victor Stinner in branch 'default':
socket: Fix memory leak in sendmsg() and sendmsg_afalg()
https://hg.python.org/cpython/rev/3a6917c73857

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[issue27866] ssl: get list of enabled ciphers

[Roundup Robot]

Roundup Robot added the comment:

New changeset 2a1c7d0fdde6 by Victor Stinner in branch 'default':
Issue #27866: Fix refleak in cipher_to_dict()
https://hg.python.org/cpython/rev/2a1c7d0fdde6

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[issue28092] Build failure for 3.6 on Centos 5.11

[Nick Coghlan]

Nick Coghlan added the comment:

While manylinux1 requires that compliant binaries *run* when linked against the 
GCC 4.2 binaries, the actual recommended compiler version (and the one used in 
the reference Docker image) is 4.8.2: 
https://www.python.org/dev/peps/pep-0513/#compilation-of-compliant-wheels

That's the compiler version in Red Hat's Developer Toolset 2, the last version 
to support RHEL/CentOS 5.

Unfortunately, softwarecollections.org only goes back to RHEL/CentOS 6, so the 
devtoolset RPMs are available via Tru Huynh's personal account on the CentOS 
file server: https://people.centos.org/tru/devtools-2/readme

So if 3.6 compiles and runs on CentOS 5 with GCC 4.8.2, that's sufficiently 
compatible for manylinux1 purposes.

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[issue28061] Compact dict bug on Windows (Visual Studio): if (mp->ma_keys->dk_usable * 3 < other->ma_used * 2)

[STINNER Victor]

STINNER Victor added the comment:

I compiled Python in 4 modes:

* debug/32 bits
* debug/64 bits
* release/32 bits
* release/64 bits

Compilation never fails and test_dict always pass.

I'm unable to reproduce the issue, so I removed the "release blocker" flag to 
not stress our release manager :-)

--
priority: release blocker -> deferred blocker

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[issue28061] Compact dict bug on Windows (Visual Studio): if (mp->ma_keys->dk_usable * 3 < other->ma_used * 2)

[Emanuel Barry]

Emanuel Barry added the comment:

I actually did a clean rebuild and could not reproduce, so I'm guessing 
something did go wrong on my side.

--
priority: deferred blocker -> normal
resolution:  -> not a bug
stage: needs patch -> resolved
status: open -> closed
type: crash -> 

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[issue28061] Compact dict bug on Windows (Visual Studio): if (mp->ma_keys->dk_usable * 3 < other->ma_used * 2)

[STINNER Victor]

STINNER Victor added the comment:

> I actually did a clean rebuild and could not reproduce, so I'm guessing 
> something did go wrong on my side.

Don't worry. It shouldn't hurt to double or tiple check. I'm not fully 
confident of this critical change (compact dict). It's good to get any kind of 
feedback ;-)

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[issue27364] Deprecate invalid escape sequences in str/bytes

[Emanuel Barry]

Emanuel Barry added the comment:

Fair enough, but please open a new issue for that.

@Terry - you're welcome; that's exactly the reason I pushed for it :)

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[issue28092] Build failure for 3.6 on Centos 5.11

[Ned Deily]

Ned Deily added the comment:

Thanks for the info, Nick.  With that in mind, I"m removing this as a "release 
blocker" for now.  Steven, would it be possible to upgrade gcc on your system?  
We'll have to deal with the Tiger buildbot separately.

--
priority: release blocker -> 

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[issue27604] More details about `-O` flag

[Berker Peksag]

Berker Peksag added the comment:

This is a duplicate of issue 17232. Note that "This changes the filename 
extension for compiled files from ``.pyc`` to ``.pyo``." part is no longer 
true. See PEP 488 for details.

--
nosy: +berker.peksag
resolution:  -> duplicate
stage:  -> resolved
status: open -> closed
superseder:  -> Improve -O docs

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[issue28099] Drop Mac OS X Tiger support in Python 3.6

[STINNER Victor]

New submission from STINNER Victor:

Mac OS X Tiger was released in 2004: 12 years ago, 3 years after Windows XP.

The Tiger buildbot has many issues, it uses an old compiler (GCC 4.0) and an 
old OpenSSL version.

Python 3.6 now requires ISO C99 support, whereas Tiger GCC 4.0 lacks support 
for C99 "extern inline" functions: issue #28092.

I propose to officially stop supporting Mac OS X Tiger in Python 3.6: modify 
the PEP 11 and What's New in Python 3.6 to announce the end of the support. 
Python 3.5 would be the last version supporting Tiger.

--
messages: 276019
nosy: haypo, ned.deily
priority: normal
severity: normal
status: open
title: Drop Mac OS X Tiger support in Python 3.6
versions: Python 3.6

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[issue28092] Build failure for 3.6 on Centos 5.11

[STINNER Victor]

STINNER Victor added the comment:

I created the issue #28099 "Drop Mac OS X Tiger support in Python 3.6.

--
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[issue27213] Rework CALL_FUNCTION* opcodes

[Roundup Robot]

Roundup Robot added the comment:

New changeset f860b7a775c5 by Victor Stinner in branch 'default':
ssue #27213: Reintroduce checks in _PyStack_AsDict()
https://hg.python.org/cpython/rev/f860b7a775c5

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[issue27213] Rework CALL_FUNCTION* opcodes

[Roundup Robot]

Roundup Robot added the comment:

New changeset e372c0ad32ce by Victor Stinner in branch 'default':
Revert change f860b7a775c5
https://hg.python.org/cpython/rev/e372c0ad32ce

New changeset 2558bc4a4ebf by Victor Stinner in branch 'default':
Document kwnames in _PyObject_FastCallKeywords() and _PyStack_AsDict()
https://hg.python.org/cpython/rev/2558bc4a4ebf

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[issue27845] Optimize update_keyword_args() function

[STINNER Victor]

STINNER Victor added the comment:

_PyStack_AsDict() doesn't check anymore if keys are unique.

BUILD_MAP_UNPACK and BUILD_MAP_UNPACK_WITH_CALL opcodes now use PyDict_Update() 
to combine mappings and _PyDictView_Intersect() to check if keys are unique.

I don't know if there is still something to optimize. The opcode changed the 
method to C and Python functions (FASTCALL) changed a lot recently ;-)

I suggest to close the issue.

--
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[issue28100] Refactor error messages in symtable.c

[Ivan Levkivskyi]

New submission from Ivan Levkivskyi:

Patch with added comment and a minor refactoring to error messages in symtable.c

Now the error message is simply always overwritten by any more "severe" 
SyntaxError found in the same block.

--
components: Interpreter Core
files: refactor-error-msg.diff
keywords: patch
messages: 276024
nosy: christian.heimes, levkivskyi
priority: normal
severity: normal
status: open
title: Refactor error messages in symtable.c
versions: Python 3.6
Added file: http://bugs.python.org/file44592/refactor-error-msg.diff

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[issue28080] Allow reading member names with bogus encodings in zipfile

[Stephen J. Turnbull]

Stephen J. Turnbull added the comment:

If you have a workaround that's available to nonprogrammers, I'd like to hear 
about it.  I have found none, that's why I went to the trouble to put together 
a patch even though I knew that the odds of actually getting it in to Python 
3.6 was very low -- my patch (or Sergey Dorofeev's, but that needs work to be 
applicable to trunk) does everything I've ever needed, so I suppose it would do 
for all the use cases so far posted (except umedoblock's encoding-guessing 
approach, but that can be handled by many 3rd-party encoding-guessing codecs, I 
think, and IMO should be).

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[issue28077] Fix find_empty_slot in dictobject

[STINNER Victor]

STINNER Victor added the comment:

Hum, I understand that it's a bug, so do you know how to reproduce the bug from 
a pure Python script? If yes, it would be nice to include an unit test.

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[issue28077] Fix find_empty_slot in dictobject

[INADA Naoki]

INADA Naoki added the comment:

It cannot hit from Python.
The function never called for split table, since resize function combine
split table.

So we can just comment the function supports only combined table.

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[issue28077] Fix find_empty_slot in dictobject

[Roundup Robot]

Roundup Robot added the comment:

New changeset 0e986b81cc1c by Victor Stinner in branch 'default':
Issue #28077: find_empty_slot() only supports combined dict
https://hg.python.org/cpython/rev/0e986b81cc1c

--
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[issue28077] Fix find_empty_slot in dictobject

[STINNER Victor]

STINNER Victor added the comment:

> find_empty_slot will also do *value_addr = &mp->ma_values[-1] if it 
> encounters a split dict.

I checked just before Naoki comment the issue, but I have the same conclusion: 
find_empty_slot() is never called on a split table.

By the way, we might modify find_empty_slot() to call insertion_resize(), 
because insertion_resize() is always called before find_empty_slot().

I close the issue. Please open a new issue if you want to refactor the code.

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

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[issue27350] Compact and ordered dict

[Roundup Robot]

Roundup Robot added the comment:

New changeset 0773e5cb8608 by Victor Stinner in branch 'default':
Issue #27350: Document compact dict memory usage
https://hg.python.org/cpython/rev/0773e5cb8608

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[issue27350] Compact and ordered dict

[STINNER Victor]

STINNER Victor added the comment:

Serhiy: "Could you compare the performance between the version just before 
adding new dict implementation and the version just after this?"

I'm running benchmarks, I will keep you in touch :-)

Since the main issue (implement compact dict) is solved, I close the issue. 
Please open new specific issue if you want to enhance the implementation, fix 
bugs, etc.

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

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[issue28081] [Patch] timemodule: Complete Autoconf bits for clock_*() functions: make clock_getres() and clock_settime() optional

[STINNER Victor]

STINNER Victor added the comment:

LGTM, but I wait until Python 3.6 beta 1 is tagged to push this change.

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[issue27810] Add METH_FASTCALL: new calling convention for C functions

[STINNER Victor]

STINNER Victor added the comment:

Stefan Behnel: "There is a tiny bit of a backwards compatibility concern as the 
new function signature would be incompatible with anything we had before,"

Python 3.6 will probably have two "fast call" calling convention:

* _PyObject_FastCallDict(): expect a Python dict for keyword arguments
* _PyObject_FastCallKeywods(): expect a Python tuple for keys of keyword 
arguments, keyword values are packed in the same array than positional arguments

_PyObject_FastCallKeywods() is not really written to be called directly: 
Python/ceval.c calls you, but you may call _PyObject_FastCallKeywods() again 
"wrapper" functions, like functools.partial().

Currently, tp_call (and tp_init and tp_new) still expects a (tuple, dict) for 
positional and keyword arguments, but later I will add something to also 
support METH_FASTCALL for callable objects. I just don't know yet what is the 
best option to make this change.

--

The main idea is implemented (implement METH_FASTCALL), I close the issue.

I will open new issues for more specific changes, and maybe extend the API 
(especially tp_call).

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

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[issue27322] test_compile_path fails when python has been installed

[Christian Heimes]

Christian Heimes added the comment:

Or we can just skip the test like the other tests with 
self._skip_if_sys_path_not_writable()

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[issue27322] test_compile_path fails when python has been installed

[Chris Angelico]

Chris Angelico added the comment:

Huh. Yeah, that would work really nicely. Thanks Christian!

Does this count as a bugfix? I think we've missed 3.6 feature freeze.

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[issue27322] test_compile_path fails when python has been installed

[Roundup Robot]

Roundup Robot added the comment:

New changeset e9e4d1b5b4b5 by Christian Heimes in branch 'default':
Issue #27322: skip test_compile_path when sys.path is not writeable.
https://hg.python.org/cpython/rev/e9e4d1b5b4b5

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[issue27322] test_compile_path fails when python has been installed

[Christian Heimes]

Christian Heimes added the comment:

AFAIK Ned hasn't tagged the beta yet. Let's see if this fixes the failing 
Gentoo build bot.

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[issue28077] Fix find_empty_slot in dictobject

[Xiang Zhang]

Xiang Zhang added the comment:

Yes. It cannot be hit and I want to remove it at first. But I decide not to do 
that since there is no clue in the future find_empty_slot will not be used 
against split dict.

And hapyo, if you decide to make find_empty_slot support only combined dict, 
why not remove mp_values check?

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[issue28077] Fix find_empty_slot in dictobject

[Xiang Zhang]

Xiang Zhang added the comment:

mp_values should be mp->ma_values, sorry.

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[issue28077] Fix find_empty_slot in dictobject

[STINNER Victor]

STINNER Victor added the comment:

> And hapyo, if you decide to make find_empty_slot support only combined dict, 
> why not remove mp_values check?

Oh, I didn't notice that find_empty_slot() partially support split tables. 
Would you like to write a patch? I reopen the issue to fix this nit ;-)

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

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[issue27322] test_compile_path fails when python has been installed

[Roundup Robot]

Roundup Robot added the comment:

New changeset f7d198fc4c96 by Christian Heimes in branch 'default':
Issue #27322: back out the commit. needs to be addressed after beta1.
https://hg.python.org/cpython/rev/f7d198fc4c96

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[issue28077] Fix find_empty_slot in dictobject

[Xiang Zhang]

Xiang Zhang added the comment:

Just need to delete the lines :) :

diff -r 0773e5cb8608 Objects/dictobject.c
--- a/Objects/dictobject.c  Mon Sep 12 14:43:14 2016 +0200
+++ b/Objects/dictobject.c  Mon Sep 12 21:26:41 2016 +0800
@@ -1011,10 +1011,7 @@
 ep = &ep0[mp->ma_keys->dk_nentries];
 *hashpos = i & mask;
 assert(ep->me_value == NULL);
-if (mp->ma_values)
-*value_addr = &mp->ma_values[ix];
-else
-*value_addr = &ep->me_value;
+*value_addr = &ep->me_value;
 return ix;
 }

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

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[issue17128] OS X system openssl deprecated - installer should build local libssl

[Roundup Robot]

Roundup Robot added the comment:

New changeset bfd0a73cf907 by Ned Deily in branch 'default':
Issue #17128: Build OS X installer for 3.6 with private copy of OpenSSL.
https://hg.python.org/cpython/rev/bfd0a73cf907

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[issue27129] Wordcode, part 2

[STINNER Victor]

STINNER Victor added the comment:

This issue can now be closed, no?

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[issue23102] distutils: isinstance checks fail with setuptools-monkeypatched Extension/Distribution

[Jens Timmerman]

Jens Timmerman added the comment:

I'm also regularly running into this, it is really annoying, Can I do anything 
to help getting this merged in?

--
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[issue28077] Fix find_empty_slot in dictobject

[Xiang Zhang]

Changes by Xiang Zhang :


--
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status: closed -> open

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[issue27806] 2.7 32-bit builds fail on future releases of OS X due to dependency on deleted header file

[sashk]

Changes by sashk :


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[issue27810] Add METH_FASTCALL: new calling convention for C functions

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Could you please wrap "#define METH_FASTCALL  0x0080" with "#ifndef 
Py_LIMITED_API"/"#endif"? I think this method still is not stable, and we 
shouldn't encourage using it in third-party extensions.

I would use two methods: just METH_FASTCALL and METH_FASTCALL|METH_KEYWORDS. 
The former is simpler and more stable, it takes just an array of positional 
parameters. The latter takes also keyword arguments, and the format of passing 
keyword arguments may be changed.

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[issue27810] Add METH_FASTCALL: new calling convention for C functions

[STINNER Victor]

STINNER Victor added the comment:

> Could you please wrap "#define METH_FASTCALL  0x0080" with "#ifndef 
> Py_LIMITED_API"/"#endif"?

Sorry, this is a mistake. I tried to exclude all new symbols related to fast 
call from the stable API.

It should now be fixed.

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[issue27810] Add METH_FASTCALL: new calling convention for C functions

[Roundup Robot]

Roundup Robot added the comment:

New changeset 08a500e8b482 by Victor Stinner in branch 'default':
Issue #27810: Exclude METH_FASTCALL from the stable API
https://hg.python.org/cpython/rev/08a500e8b482

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[issue27129] Wordcode, part 2

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

No, only the simpler and safer part was committed. I divided the original patch 
on four parts, but since the code was significantly evolved, they no longer 
applied clearly.

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[issue11320] Usage of API method Py_SetPath causes errors in Py_Initialize() (Posix ony))

[Melvyn Sopacua]

Melvyn Sopacua added the comment:

The cause for this error is any cause for not being able to load a module. This 
includes version conflicts, so when trying to load a virtualenv with python 3.3 
interpreter by a uWSGI embedded python3.4 interpreter the action fails.

This is - bluntly overstated - a design flaw or overly confident claim with 
respect to virtualenv support in uWSGI. This configuration can never work and 
becomes a configuration error.

It really deserves a less generic error message, indicating the version 
conflict and possibly the path to the encoding module it tried to load. This 
helps in debugging the cause and possibly abandon the idea before wading 
through the list of reports generated by this error message (only one of which 
I found to hint at the version conflict and most don't have a clear solution or 
different root cause).

--
nosy: +msopacua
versions: +Python 3.4, Python 3.5

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[issue28080] Allow reading member names with bogus encodings in zipfile

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Python is programming language, I don't understand what you mean saying 
"available to nonprogrammers". As a programmer you can recode ZipInfo name 
before outputting or what you want to do with it:

filename = filename.encode('cp437').decode(encoding)

In command line you can can use iconv or other converters:

python3 -m zipfile -l myzip.zip | iconv -t cp437 | iconv -f "$encoding"

This is not very handy, but works in most cases.

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[issue28101] Add utf-8 alias to aliases.py dictionary

[Christian Sarazin]

New submission from Christian Sarazin:

The utf-8 alias should be added to the utf_8 codec block inside aliases.py


Thx

Cheers
Christian

--
components: email
messages: 276052
nosy: Christian Sarazin, barry, r.david.murray
priority: normal
severity: normal
status: open
title: Add utf-8 alias to aliases.py dictionary
type: behavior
versions: Python 2.7, Python 3.3, Python 3.4, Python 3.5, Python 3.6, Python 3.7

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[issue28101] Add utf-8 alias to aliases.py dictionary

[STINNER Victor]

STINNER Victor added the comment:

> The utf-8 alias should be added to the utf_8 codec block inside aliases.py

Codec names are normalized by encodings.normalize_encoding():

>>> encodings.normalize_encoding(' Utf-8 ')
'Utf_8'

And then converted to lower case, so there is no need to all syntaxes of 
"utf-8", it already works ;-)

>>> codecs.lookup(' Utf-8 ').name
'utf-8'

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

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[issue28080] Allow reading member names with bogus encodings in zipfile

[Stephen J. Turnbull]

Stephen J. Turnbull added the comment:

Cleaned up a few loose ends while it's all fresh in mind.  Will ping python-dev 
in 4-6 weeks for review for 3.7.

Thanks to Serhiy for review.  The current version of the patch is much improved 
over the initial submission due to his efforts.

--
Added file: http://bugs.python.org/file44593/encoded-member-names-v3

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[issue27129] Wordcode, part 2

[STINNER Victor]

STINNER Victor added the comment:

Serhiy Storchaka added the comment:
> No, only the simpler and safer part was committed. I divided the original 
> patch on four parts, but since the code was significantly evolved, they no 
> longer applied clearly.

Oh ok. I saw that a change was pushed, I didn't read the history of the issue.

I should take a look after the beta1 release.

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[issue28102] zipfile.py script should print usage to stderr

[Stephen J. Turnbull]

New submission from Stephen J. Turnbull:

Pointed out by Serhiy Storchaka in a different context.

--
components: Library (Lib)
files: zipfile-errmsg
keywords: patch
messages: 276056
nosy: sjt
priority: normal
severity: normal
status: open
title: zipfile.py script should print usage to stderr
versions: Python 3.7
Added file: http://bugs.python.org/file44594/zipfile-errmsg

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[issue27181] Add geometric mean to `statistics` module

[Mark Dickinson]

Mark Dickinson added the comment:

Steven: any thoughts about the

statistics.geometric_mean(0.7 for _ in range(5000))

failure? Should I open a separate bug report for that, or would you rather 
address it as part of this issue?

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[issue28103] Style fix in zipfile.rst

[Stephen J. Turnbull]

New submission from Stephen J. Turnbull:

Makes style of references to open modes 'r', 'a', ... more consistent.

CA pending (I have received PDF, but no star in tracker yet).

--
assignee: docs@python
components: Documentation
files: zipfile-doc-style
messages: 276058
nosy: docs@python, sjt
priority: normal
severity: normal
status: open
title: Style fix in zipfile.rst
versions: Python 3.7
Added file: http://bugs.python.org/file44595/zipfile-doc-style

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[issue28102] zipfile.py script should print usage to stderr

[Stephen J. Turnbull]

Stephen J. Turnbull added the comment:

CA pending (I have received PDF, but no star in tracker yet).

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[issue27181] Add geometric mean to `statistics` module

[STINNER Victor]

STINNER Victor added the comment:

>>> statistics.geometric_mean([0.7 for _ in range(5000)])
Traceback (most recent call last):
  File "/Users/mdickinson/Python/cpython-git/Lib/statistics.py", line 362, in 
float_nroot
isinfinity = math.isinf(x)
OverflowError: int too large to convert to float

=> see also issue #27975

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[issue28102] zipfile.py script should print usage to stderr

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

I would request tests, but since currently there are no tests for command line 
interface to zipfile, it's okay. LGTM. Will commit right after beta 1 is tagged.

--
assignee:  -> serhiy.storchaka
nosy: +serhiy.storchaka
stage:  -> commit review
type:  -> enhancement

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[issue28103] Style fix in zipfile.rst

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

LGTM.

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stage:  -> commit review
type:  -> enhancement

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[issue27213] Rework CALL_FUNCTION* opcodes

[Yury Selivanov]

Yury Selivanov added the comment:

>  After releasing beta 1 this would require changing bytecode magic number.

Why don't we change the magic number before b1 (if your bytecode change is 
already committed)?

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[issue27213] Rework CALL_FUNCTION* opcodes

[STINNER Victor]

STINNER Victor added the comment:

> Why don't we change the magic number before b1 (if your bytecode change is 
> already committed)?

The magic number changed many times between Python 3.5 and the future Python 
3.6 beta 1. Maybe we skipped increasing this number for one bytecode change, 
but it should only impact the few developers who worked on the development 
version. In this case: just remove all ".pyc" files and it should be fine ;-)

In short: I think it's fine, don't do anything else ;-)

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[issue17884] Try to reuse stdint.h types like int32_t

[SilentGhost]

SilentGhost added the comment:

I get the following compiler warning now:

In file included from ./Include/Python.h:66:0,
 from /cpython/Modules/_ssl.c:19:
/cpython/Modules/_ssl.c: In function ‘_setup_ssl_threads’:
./Include/pymem.h:136:18: warning: comparison is always false due to limited 
range of data type [-Wtype-limits]
   ( ((size_t)(n) > PY_SSIZE_T_MAX / sizeof(type)) ? NULL : \
  ^
/cpython/Modules/_ssl.c:5076:22: note: in expansion of macro ‘PyMem_New’
 _ssl_locks = PyMem_New(PyThread_type_lock, _ssl_locks_count);
  ^

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versions: +Python 3.6 -Python 3.5

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[issue17884] Try to reuse stdint.h types like int32_t

[SilentGhost]

Changes by SilentGhost :


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

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[issue27322] test_compile_path fails when python has been installed

[Chi Hsuan Yen]

Changes by Chi Hsuan Yen :


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[issue28086] test.test_getargs2.TupleSubclass test failure

[Gregory P. Smith]

Gregory P. Smith added the comment:

I'm marking this as a deferred blocker as i believe we want this resolved 
before we exit the betas.

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priority: normal -> deferred blocker

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[issue27806] 2.7 32-bit builds fail on future releases of OS X due to dependency on deleted header file

[Alexander Belopolsky]

Changes by Alexander Belopolsky :


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[issue17884] Try to reuse stdint.h types like int32_t

[STINNER Victor]

STINNER Victor added the comment:

> I get the following compiler warning now: (...)

Why do you think that it's related to stdint.h changes?

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[issue17884] Try to reuse stdint.h types like int32_t

[SilentGhost]

SilentGhost added the comment:

Probably, not for a particularly good reason, but none of the near-by code in 
_ssl.c seemed relevant on superficial inspection. The commit 02c8db9c255f which 
modified Include/pymem.h didn't have an issue associated with it.

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