[issue32284] typing.TextIO and BinaryIO are not aliases of IO[...]

Change by Andrew Svetlov : -- versions: +Python 3.7 ___ Python tracker ___ ___

[issue32284] typing.TextIO and BinaryIO are not aliases of IO[...]

Andrew Svetlov added the comment: New changeset b0358e8784821867ab05b3d890717c37309be849 by Andrew Svetlov (Miss Islington (bot)) in branch '3.6': bpo-32284: Fix documentation of BinaryIO and TextIO (GH-4832) (#4833)

[issue32284] typing.TextIO and BinaryIO are not aliases of IO[...]

Change by Roundup Robot : -- pull_requests: +4725 ___ Python tracker ___

[issue32284] typing.TextIO and BinaryIO are not aliases of IO[...]

Andrew Svetlov added the comment: New changeset c3e070f84931c847d1b35e7fb36aa71edd6215f6 by Andrew Svetlov (Sebastian Rittau) in branch 'master': bpo-32284: Fix documentation of BinaryIO and TextIO (#4832)

[issue32299] unittest.mock.patch.dict.__enter__ should return the dict

Change by Vadim Tsander : -- keywords: +patch pull_requests: +4726 stage: -> patch review ___ Python tracker ___

[issue29240] PEP 540: Add a new UTF-8 mode

STINNER Victor added the comment: New changeset 91106cd9ff2f321c0f60fbaa09fd46c80aa5c266 by Victor Stinner in branch 'master': bpo-29240: PEP 540: Add a new UTF-8 Mode (#855) https://github.com/python/cpython/commit/91106cd9ff2f321c0f60fbaa09fd46c80aa5c266

[issue32284] typing.TextIO and BinaryIO are not aliases of IO[...]

Change by Andrew Svetlov : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker

[issue32284] typing.TextIO and BinaryIO are not aliases of IO[...]

Andrew Svetlov added the comment: Done -- ___ Python tracker ___ ___

[issue31643] test_uuid: test_getnode and test_windll_getnode fail if connected to the Internet via an Android phone

Xavier de Gaye added the comment: > C:\> ipconfig -all So the all-zero MAC address occurs on a Windows box and that explains the test_windll_getnode failure (this test is skipped on Android). I missed that point in your initial post and knowing what Android device you are

[issue32301] Typo in array documentation

New submission from Maik Ro : .. class:: array(typecode[, initializer]) should be typecode, [initializer] - comma is in square brackets -- assignee: docs@python components: Documentation messages: 308195 nosy: Maik Ro, docs@python priority: normal severity:

[issue32301] Typo in array documentation

Steven D'Aprano added the comment: The given version is correct: the comma is only required if the initializer is given. Your suggested version typecode, [initializer] implies that the comma is always required whether the initializer is given or not. If we

[issue29465] Modify _PyObject_FastCall() to reduce stack consumption

Change by STINNER Victor : -- pull_requests: -25 ___ Python tracker ___ ___

[issue32300] print(os.environ.keys()) should only print the keys

New submission from Aaron Meurer : Take the following scenario which happened to me recently. I am trying to debug an issue on Travis CI involving environment variables. Basically, I am not sure if an environment variable is being set correctly. So in my code, I put

[issue32284] typing.TextIO and BinaryIO are not aliases of IO[...]

Change by Sebastian Rittau : -- keywords: +patch pull_requests: +4723 stage: -> patch review ___ Python tracker ___

[issue32292] Building fails on Windows

Antoine Pitrou added the comment: > It shouldn't be any different, but what about PCBuild/build.bat? Yes, same thing. -- ___ Python tracker

[issue32300] print(os.environ.keys()) should only print the keys

R. David Murray added the comment: This is a consequence of the repr used by KeysView, which it inherits from MappingView. I agree that the result is surprising, but there may not be a generic fix. It's not entirely clear what KeysView should do here, but presumably

[issue32300] print(os.environ.keys()) should only print the keys

Change by R. David Murray : -- nosy: +csabella ___ Python tracker ___ ___

[issue32030] PEP 432: Rewrite Py_Main()

Serhiy Storchaka added the comment: Wow, 28 PRs for a single issue! This is a record. -- ___ Python tracker ___

[issue32300] print(os.environ.keys()) should only print the keys

Cheryl Sabella added the comment: For your current situation, list(os.environ) or iter(os.environ) both return keys only. It looks like the __repr__ on the class for os.environ is printed for os.environ (which is expected). For os.environ.keys(), the same __repr__ is

[issue31554] Warn when __loader__ != __spec__.loader

Change by Barry A. Warsaw : -- nosy: +barry ___ Python tracker ___ ___ Python-bugs-list

[issue21762] update the import machinery to only use __spec__

Change by Barry A. Warsaw : -- nosy: +barry ___ Python tracker ___ ___ Python-bugs-list

[issue32302] test_distutils: test_get_exe_bytes() failure on AppVeyor

New submission from STINNER Victor : Example: https://ci.appveyor.com/project/python/cpython/build/3.7.0a0.9414 == ERROR: test_get_exe_bytes (distutils.tests.test_bdist_wininst.BuildWinInstTestCase)

[issue32317] sys.exc_clear() clears exception in other stack frames

New submission from Garrett Berg : # Summary In python (2 or 3) it should always be valid to have a bare *raise* statement in an exception block. try: do_something() except SomeException: do_cleanup() raise # always reraises SomeException

[issue32300] print(os.environ.keys()) should only print the keys

Serhiy Storchaka added the comment: shelve.Shelf is the example of such kind. -- ___ Python tracker ___

[issue32318] Remove "globals()" call from "socket.accept()"

Change by Yury Selivanov : -- keywords: +patch pull_requests: +4746 stage: -> patch review ___ Python tracker ___

[issue30491] Add a lightweight mechanism for detecting un-awaited coroutine objects

Yury Selivanov added the comment: > So first... that's not how nursery.start_soon works :-). It actually takes an > async function, not a coroutine object. [..] Interesting, and I think I like it. I definitely understand the motivation to not tell users the difference

[issue30491] Add a lightweight mechanism for detecting un-awaited coroutine objects

Nathaniel Smith added the comment: > In any case, in my opinion, it doesn't matter. `sys.set_coroutine_wrapper` > controls a single thread-local setting, > `sys.set_unawaited_coroutine_tracking` *also* controls a single thread-local > setting. Both of them have the exact

[issue32228] truncate() changes current stream position

Change by Nitish : -- keywords: +patch pull_requests: +4747 stage: -> patch review ___ Python tracker ___

[issue32318] Remove "globals()" call from "socket.accept()"

STINNER Victor added the comment: IMHO we should add a private mask constant, see: https://github.com/python/cpython/pull/4231#issuecomment-351622381 -- ___ Python tracker

[issue32318] Remove "globals()" call from "socket.accept()"

Change by Yury Selivanov : -- nosy: yselivanov priority: normal severity: normal status: open title: Remove "globals()" call from "socket.accept()" ___ Python tracker

[issue30491] Add a lightweight mechanism for detecting un-awaited coroutine objects

Nathaniel Smith added the comment: > 1. How will trio handle situations like: > > c = coro() > await ... > nursery.start_soon(c) > > ? [...] > Maybe creating a coroutine and not immediately passing it to 'start_soon' or > similar API is an anti-pattern in Trio,

[issue32318] Remove "globals()" call from "socket.accept()"

New submission from Yury Selivanov : socket.accept currently has this code: type = self.type & ~globals().get("SOCK_NONBLOCK", 0) which I believe is (a) bad Python style; (b) slows things down. -- components: +Library (Lib) nosy: +asvetlov, vstinner type: ->

[issue32317] sys.exc_clear() clears exception in other stack frames

Garrett Berg added the comment: I found a workaround, and probably the reason this has not been detected before: import sys def doclear2() try: 1/0 except ZeroDivisionError: sys.exc_clear() try: 1/0 except

[issue30241] Add contextlib.AbstractAsyncContextManager

Yury Selivanov added the comment: New changeset 176baa326be4ec2dc70ca0c054b7e2ab7ca6a9cf by Yury Selivanov (Jelle Zijlstra) in branch 'master': bpo-30241: implement contextlib.AbstractAsyncContextManager (#1412)

[issue30241] Add contextlib.AbstractAsyncContextManager

Change by Yury Selivanov : -- resolution: -> fixed stage: -> resolved status: open -> closed ___ Python tracker ___

[issue32030] PEP 432: Rewrite Py_Main()

STINNER Victor added the comment: New changeset b5fd9ad05e0f15f8272b8f1b829af22077230584 by Victor Stinner in branch 'master': bpo-32030: Rewrite _PyMainInterpreterConfig (#4854) https://github.com/python/cpython/commit/b5fd9ad05e0f15f8272b8f1b829af22077230584

[issue32317] sys.exc_clear() clears exception in other stack frames

Garrett Berg added the comment: I forgot to post this: python --version

[issue32298] Email.quopriprime over-encodes characters

Geoff Kuenning added the comment: I should have read that part of RFC 2047 before I submitted. I'd love to claim that I'm going to write a patch that would do as you suggest. But the reality is that I'm unlikely to find the time, so I'm going to be wise for once and avoid

[issue32030] PEP 432: Rewrite Py_Main()

Change by STINNER Victor : -- pull_requests: +4744 ___ Python tracker ___ ___

[issue29877] compileall hangs when accessing urandom even if number of workers is 1

Change by Dustin Spicuzza : -- keywords: +patch pull_requests: +4745 stage: -> patch review ___ Python tracker ___

[issue32316] [3.6] make regen-all fails on Travis CI on "python3.6" command

Change by STINNER Victor : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker

[issue32316] [3.6] make regen-all fails on Travis CI on "python3.6" command

STINNER Victor added the comment: New changeset 1d2a387b9526ef5f4d694734d8022e739f7fd410 by Victor Stinner in branch '3.6': bpo-32316: Travis CI: use PYTHON_FOR_REGEN=python3 (#4853) https://github.com/python/cpython/commit/1d2a387b9526ef5f4d694734d8022e739f7fd410

[issue32030] PEP 432: Rewrite Py_Main()

Change by STINNER Victor : -- pull_requests: +4743 ___ Python tracker ___ ___

[issue32303] Namespace packages have inconsistent __loader__ and __spec__.loader

New submission from Barry A. Warsaw : Let's say I have a namespace package: >>> importlib_resources.tests.data03.namespace This package has a non-None __loader__ but a None __spec__.loader: >>> importlib_resources.tests.data03.namespace.__loader__

[issue29240] PEP 540: Add a new UTF-8 mode

STINNER Victor added the comment: New changeset d5dda98fa80405db82e2eb36ac48671b4c8c0983 by Victor Stinner in branch 'master': pymain_set_sys_argv() now copies argv (#4838) https://github.com/python/cpython/commit/d5dda98fa80405db82e2eb36ac48671b4c8c0983 --

[issue32030] PEP 432: Rewrite Py_Main()

STINNER Victor added the comment: New changeset d5dda98fa80405db82e2eb36ac48671b4c8c0983 by Victor Stinner in branch 'master': pymain_set_sys_argv() now copies argv (#4838) https://github.com/python/cpython/commit/d5dda98fa80405db82e2eb36ac48671b4c8c0983 --

[issue15873] datetime: add ability to parse RFC 3339 dates and times

Change by Roundup Robot : -- pull_requests: +4729 ___ Python tracker ___

[issue15873] datetime: add ability to parse RFC 3339 dates and times

Mathieu Dupuy added the comment: I finally released my work. It looks like Paul's work is more comprehensive, but if you want to pick one thing or two in mine, feel free. -- ___ Python tracker

[issue29240] PEP 540: Add a new UTF-8 mode

STINNER Victor added the comment: test_readline failed. It seems to be related to my commit: http://buildbot.python.org/all/#/builders/87/builds/360 == FAIL: test_nonascii

[issue32300] print(os.environ.keys()) should only print the keys

STINNER Victor added the comment: Usually, I use print(sorted(os.environ)) since I prefer a sorted list and it prevents such issue :-) David: > I agree that the result is surprising, but there may not be a generic fix. What about something like: vstinner@apu$

[issue32300] print(os.environ.keys()) should only print the keys

STINNER Victor added the comment: If we decide to change abc.KeysView.__repr__, IMHO we should also modify abc.ValuesView.__repr__, and maybe also abc.ItemsView.__repr__. -- ___ Python tracker

[issue32004] Allow specifying code packing order in audioop adpcm functions

MosesofEgypt added the comment: Added serhiy.storchaka to nosy list as the issue has been open for over a month without response(not sure if I should have done this in the first place). -- nosy: +serhiy.storchaka versions: +Python 2.7

[issue32236] open() shouldn't silently ignore buffering=1 in binary mode

Change by Alexey Izbyshev : -- keywords: +patch pull_requests: +4730 stage: -> patch review ___ Python tracker ___

[issue21332] subprocess bufsize=1 docs are misleading

Change by Alexey Izbyshev : -- pull_requests: +4732 ___ Python tracker ___ ___

[issue32302] test_distutils: test_get_exe_bytes() failure on AppVeyor

Steve Dower added the comment: This is the bit that needs fixing https://github.com/python/cpython/blob/master/Lib/distutils/command/bdist_wininst.py#L340 bv = '.'.join(CRT_ASSEMBLY_VERSION.split('.', 2)[:2]) if bv == '14.11':

[issue30491] Add a lightweight mechanism for detecting un-awaited coroutine objects

Yury Selivanov added the comment: > send_ping() # don't care about result, forgot await > # get collected > await something_that_will_trigger_check_coros_weakreaf() # oh no ! I don't understand what you are trying to say with this example. What is

[issue32303] Namespace packages have inconsistent __loader__ and __spec__.loader

Change by Eric V. Smith : -- nosy: +eric.smith ___ Python tracker ___ ___

[issue32305] Namespace packages have inconsistent __file__ and __spec__.origin

Change by Eric V. Smith : -- nosy: +eric.smith ___ Python tracker ___ ___

[issue31554] Warn when __loader__ != __spec__.loader

Change by Eric V. Smith : -- nosy: +eric.smith ___ Python tracker ___ ___

[issue32302] test_distutils: test_get_exe_bytes() failure on AppVeyor

Steve Dower added the comment: I thought we'd special cased the v14 toolset already. This should be an update to the Python code in distutils that selects the filename based on compiler version. -- ___ Python tracker

[issue30491] Add a lightweight mechanism for detecting un-awaited coroutine objects

Matthias Bussonnier added the comment: Your last description is about exactly what https://github.com/python-trio/trio/pull/176 is about (which I need to resurect) There are some issue with weakref some that I don't remember, but one of them is (IIRC): what if a

[issue32307] Bad assumption on thread stack size makes python crash with musl libc

New submission from Natanael Copa : Python assumes that the system default thread stack size is big enough for python, except for OSX and FreeBSD where stack size is explicitly set. With musl libc the system thread stack size is only 80k, which leads to hard crash

[issue10344] codecs.open() buffering doc needs fix

Change by Alexey Izbyshev : -- keywords: +patch pull_requests: +4731 stage: needs patch -> patch review ___ Python tracker ___

[issue30491] Add a lightweight mechanism for detecting un-awaited coroutine objects

Yury Selivanov added the comment: First, I've no questions about the proposed implementation. It shouldn't have performance impact when unawaited coroutine tracking is off, which is the default. It will cause minimal overhead when the tracking is on, which is fine.

[issue32306] Clarify map API in concurrent.futures

New submission from David Lukeš : The docstring for `concurrent.futures.Executor.map` starts by stating that it is "Equivalent to map(func, *iterables)". In the case of Python 3, I would argue this is true only superficially: with `map`, the user expects

[issue32300] print(os.environ.keys()) should only print the keys

R. David Murray added the comment: Agreed about the other classes if we change this. Your solution looks reasonable to me. -- ___ Python tracker

[issue32304] Upload failed (400): Digests do not match on .tar.gz ending with x0d binary code

New submission from Louis Lecaroz : Hi, .tar.gz files can end with x0d bytes or whatever you want When running setup.py sdist upload, depending on the project, the .tar.gz file, as said can sometimes end with x0d. When doing the upload, the line

[issue32305] Namespace packages have inconsistent __file__ and __spec__.origin

New submission from Barry A. Warsaw : Along the lines of Issue32303 there's another inconsistency in namespace package metadata. Let's say I have a namespace package: >>> importlib_resources.tests.data03.namespace The package has no __file__ attribute, and it has a

[issue32302] test_distutils: test_get_exe_bytes() failure on AppVeyor

Change by Zachary Ware : -- components: +Windows nosy: +paul.moore, steve.dower, tim.golden, zach.ware priority: normal -> high stage: -> needs patch ___ Python tracker

[issue32292] Building fails on Windows

Steve Dower added the comment: Are you using a normal command prompt or the Visual Studio one? Totally clean environment should work fine these days, but I suspect there's an environment variable affecting something. "set" to show everything that is set, remove any

[issue32292] Building fails on Windows

Antoine Pitrou added the comment: It's a normal command prompt. Here is the output of "set": https://gist.github.com/pitrou/2baf9950b0ab2f68b39b4973355b2e79 -- ___ Python tracker

[issue32302] test_distutils: test_get_exe_bytes() failure on AppVeyor

STINNER Victor added the comment: Extract of pythoninfo of the failed build: os.environ[VS110COMNTOOLS]: C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\Tools\ os.environ[VS120COMNTOOLS]: C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\Tools\

[issue32302] test_distutils: test_get_exe_bytes() failure on AppVeyor

STINNER Victor added the comment: Oh, and the PATH: os.environ[PATH]: C:\Perl\site\bin;C:\Perl\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program

[issue32302] test_distutils: test_get_exe_bytes() failure on AppVeyor

STINNER Victor added the comment: @Steve: do you want to work on a fix? -- ___ Python tracker ___

[issue29469] AST-level Constant folding

INADA Naoki added the comment: New changeset 7ea143ae795a9fd57eaccf490d316bdc13ee9065 by INADA Naoki in branch 'master': bpo-29469: Move constant folding to AST optimizer (GH-2858) https://github.com/python/cpython/commit/7ea143ae795a9fd57eaccf490d316bdc13ee9065

[issue32319] re fullmatch error with non greedy modifier

New submission from Daniel Hrisca : Consider this code snippet: from re import match, fullmatch pattern = '".+?"' string = '"hello" "again"' print(match(pattern, string)) print(fullmatch(pattern, string)) Which prints: <_sre.SRE_Match object; span=(0, 7),

[issue29469] AST-level Constant folding

Change by INADA Naoki : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___

[issue32104] add method throw() to asyncio.Task

Andrew Svetlov added the comment: I think the ship has sailed. Now too many code is based on assumption that the only way to cancel a task from outer code is `task.cancel()`. Internally it is turned into try: await do_stuff() except asyncio.CancelledError:

[issue17852] Built-in module _io can lose data from buffered files at exit

Change by Neil Schemenauer : -- pull_requests: +4735 stage: needs patch -> patch review ___ Python tracker ___

[issue32300] print(os.environ.keys()) should only print the keys

Change by Cheryl Sabella : -- components: +Library (Lib) type: -> behavior ___ Python tracker ___

[issue32030] PEP 432: Rewrite Py_Main()

Change by STINNER Victor : -- pull_requests: +4728 ___ Python tracker ___ ___

[issue29240] PEP 540: Add a new UTF-8 mode

Change by STINNER Victor : -- pull_requests: +4727 stage: -> patch review ___ Python tracker ___

[issue32030] PEP 432: Rewrite Py_Main()

STINNER Victor added the comment: > Wow, 28 PRs for a single issue! This is a record. You can expect much more :-) One of the goal of the PEP 432 is to put compute sys.path and put it in _PyMainInterpreterConfig. I'm trying to implement that, but we are still far

[issue32307] Bad assumption on thread stack size makes python crash with musl libc

R. David Murray added the comment: Well, from our point of view it isn't a bad assumption, it's that muslc needs to be added to the list of exceptions. (I know almost nothing about this...I assume there is some reason we can't determine the stack size programatically?)

[issue32030] PEP 432: Rewrite Py_Main()

Change by STINNER Victor : -- pull_requests: +4733 ___ Python tracker ___ ___

[issue32308] Replace empty matches adjacent to a previous non-empty match in re.sub()

New submission from Serhiy Storchaka : Currently re.sub() replaces empty matches only when not adjacent to a previous match. This makes it inconsistent with re.findall() and re.finditer() which finds empty matches adjacent to a previous non-empty match and with

[issue17852] Built-in module _io can lose data from buffered files at exit

Neil Schemenauer added the comment: I created a new PR which uses the atexit module instead of using _Py_PyAtExit. I think registering in io.py is okay. I see that atexit is now implemented in C. Rather than registering in io.py, we could create a C API to register

[issue32236] open() shouldn't silently ignore buffering=1 in binary mode

Antoine Pitrou added the comment: After looking at the PR, I think it would be a bit too strong to raise an error. Perhaps emit a warning instead? -- ___ Python tracker

[issue32308] Replace empty matches adjacent to a previous non-empty match in re.sub()

Change by Serhiy Storchaka : -- keywords: +patch pull_requests: +4734 stage: -> patch review ___ Python tracker ___

[issue32292] Building fails on Windows

Antoine Pitrou added the comment: Ok, I've decided to bite the bullet. I uninstalled VS 2015 and installed VS 2017 Community Edition. Things seem to work now. Thanks for the help! -- resolution: -> fixed stage: -> resolved status: open -> closed

[issue30491] Add a lightweight mechanism for detecting un-awaited coroutine objects

Matthias Bussonnier added the comment: Let me try to explain better, I'm pretty sure there is just a misunderstanding from some of use in the vocabulary or presupposition we start from. I have the impression that you feel like the API will automatically make

[issue26259] Memleak when repeated calls to asyncio.queue.Queue.get is performed, without push to queue.

Andrew Svetlov added the comment: Duplicate of https://bugs.python.org/issue31620 -- nosy: +asvetlov resolution: -> duplicate stage: -> resolved status: open -> closed superseder: -> asyncio.Queue leaks memory if the queue is empty and consumers poll it

[issue32309] Implement asyncio.create_task() and asyncio.run_in_executor shortcuts

Change by Andrew Svetlov : -- keywords: +patch pull_requests: +4736 stage: -> patch review ___ Python tracker ___

[issue32310] Remove _Py_PyAtExit from Python.h

New submission from Neil Schemenauer : _Py_PyAtExit only supports on callback function. Its sole use it to be used by atexit. IMHO, it should be removed from Python.h to prevent misuse. -- components: Interpreter Core messages: 308242 nosy: nascheme priority:

[issue32311] Implement asyncio.create_task() shortcut

Change by Andrew Svetlov : -- components: Library (Lib), asyncio nosy: asvetlov, yselivanov priority: normal severity: normal status: open title: Implement asyncio.create_task() shortcut versions: Python 3.7 ___ Python

[issue31620] asyncio.Queue leaks memory if the queue is empty and consumers poll it frequently

Andrew Svetlov added the comment: Sorry for late closing the issue, PR was merged a month ago. -- resolution: -> fixed stage: patch review -> resolved status: open -> closed versions: +Python 3.7 ___ Python tracker

[issue32302] test_distutils: test_get_exe_bytes() failure on AppVeyor

Steve Dower added the comment: Happy for someone else to do it. I won't have time this week - too much going on at work. -- ___ Python tracker

[issue32296] Implement asyncio._get_running_loop() and get_event_loop() in C

STINNER Victor added the comment: Hum, sometimes it's better to wait for AppVeyor :-) You broke all Windows buildbots! :-) Example: http://buildbot.python.org/all/#/builders/40/builds/278 == ERROR:

[issue32312] Create Py_AtExitRegister C API

STINNER Victor added the comment: See also: [Python-Dev] PEP 489: module m_traverse called with NULL module state https://mail.python.org/pipermail/python-dev/2017-December/151238.html -- ___ Python tracker

[issue32312] Create Py_AtExitRegister C API

Change by STINNER Victor : -- nosy: +pitrou, vstinner ___ Python tracker ___ ___

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