[issue40623] JSON streaming

paul rubin added the comment: It's coming back to me, I think I used the no-separator format because I made the multi-document input files by using json.dump after opening the file in append mode. That seems pretty natural. I figured the wikipedia article and the json.tool patch

[issue40623] JSON streaming

paul rubin added the comment: Also I didn't know about ndjson (I just looked at it, ndjson.org) but its existence and formalization is even more evidence that this is useful. I'll check what the two different python modules linked from that site do that's different from

[issue40028] Math module method to find prime factors for non-negative int n

paul rubin added the comment: I don't think the interface needs much bikeshedding, as long as the implementer chooses something reasonable. E.g. factor(30) gives the list [2,3,5]. Implementation is harder if you want to handle numbers of non-trivial size. Neal Koblitz's book &q

[issue40411] frozen collection.Counter

paul rubin added the comment: Note: PEP 603 may essentially take care of this, if it is accepted. -- ___ Python tracker <https://bugs.python.org/issue40

[issue24416] Have date.isocalendar() return a structseq instance

Change by Paul Ganssle : -- pull_requests: +19420 pull_request: https://github.com/python/cpython/pull/20113 ___ Python tracker <https://bugs.python.org/issue24

[issue36264] os.path.expanduser should not use HOME on windows

Paul Moore added the comment: > Perhaps the best approach for the sake of POSIX compatibility is to set HOME > on startup to the correct value? If Python starts setting `HOME`, that has the potential to affect programs called in a subprocess, possibly breaking them (making them no

[issue24416] Have date.isocalendar() return a structseq instance

Paul Ganssle added the comment: New changeset 1b97b9b0ad9a2ff8eb5c8f2e2e7c2aec1d13a330 by Paul Ganssle in branch 'master': bpo-24416: Return named tuple from date.isocalendar() (GH-20113) https://github.com/python/cpython/commit/1b97b9b0ad9a2ff8eb5c8f2e2e7c2a

[issue24416] Have date.isocalendar() return a structseq instance

Paul Ganssle added the comment: This is now merged, thanks for the debate and opinions offered everyone, and thanks to Dong-hee for the implementation! The way we did the implementation, a pickle/unpickle cycle on the result of .isocalendar() will return a plain tuple. Despite the fact that

[issue40643] Improve doc-strings for datetime.strftime & strptime

Paul Ganssle added the comment: I agree, this can be improved (particularly the first one). I believe we'll need to change it in the C implementation as well as the pure python version. That said, the most useful thing for users would be a full formatting reference, which is too much t

[issue40503] PEP 615: Add zoneinfo module

Paul Ganssle added the comment: New changeset b17e49e0def23238b9e7f48c8a02e2d7bbf1f653 by Paul Ganssle in branch 'master': bpo-40503: Add documentation and what's new entry for zoneinfo (GH-20006) https://github.com/python/cpython/commit/b17e49e0def23238b9e7f48c8

[issue40536] Addition of a "list of available time zones" function to zoneinfo

Change by Paul Ganssle : -- pull_requests: +19461 pull_request: https://github.com/python/cpython/pull/20158 ___ Python tracker <https://bugs.python.org/issue40

[issue40536] Addition of a "list of available time zones" function to zoneinfo

Paul Ganssle added the comment: I've opened a PR adding this feature and tagged this as release blocker, since I'd like to make sure this is in the beta if Łukasz does not object. The concerns about the stability of the function I expressed earlier have not changed much, though

[issue40536] Addition of a "list of available time zones" function to zoneinfo

Paul Ganssle added the comment: New changeset e527ec8abe0849e784ce100f53c2736986b670ae by Paul Ganssle in branch 'master': bpo-40536: Add zoneinfo.available_timezones (GH-20158) https://github.com/python/cpython/commit/e527ec8abe0849e784ce100f53c273

[issue40536] Addition of a "list of available time zones" function to zoneinfo

Paul Ganssle added the comment: I've merged the existing implementation, but I'm leaving this staged as "release blocker" so that Łukasz can have final say on whether this goes into 3.9. Thanks for the help everyone! -- ___ Py

[issue5537] LWPCookieJar cannot handle cookies with expirations of 2038 or greater on 32-bit platforms

Paul Ganssle added the comment: > Should we fix utcfromtimestamp() internally to avoid the OverflowError, > rather than only fixing the http.cookiejar module? I'm not a big fan of utcfromtimestamp (as you can see here: https://blog.ganssle.io/articles/2019/11/utcnow.html ), but

[issue42501] Improve error messages for argparse choices using enum

paul j3 added the comment: choices is fine for a few strings, but quickly becomes awkward with other types and large numbers. The testing isn't an issue, since it just does a simple `in/contains` test. But display, whether in usage, help or error, is problematic if you try anythin

[issue42518] Error Message

Paul Moore added the comment: You need to learn about chained comparisons in Python. This is not a bug. Please stop reopening it. -- status: open -> closed ___ Python tracker <https://bugs.python.org/issu

[issue42547] argparse: add_argument(... nargs='+', metavar=) does not work with positional arguments

paul j3 added the comment: Duplicate of https://bugs.python.org/issue14074 argparse allows nargs>1 for positional arguments but doesn't allow metavar to be a tuple -- resolution: -> duplicate stage: patch review -> resolved status:

[issue42547] argparse: add_argument(... nargs='+', metavar=) does not work with positional arguments

paul j3 added the comment: I'll reopen it - your patch, while not a complete resolution, does take care of the immediate error. -- resolution: duplicate -> status: closed -> open ___ Python tracker <https://bugs.python.

[issue42559] random.getrandbits: Should it be explicit that it returns unsigned/non-negative integer?

New submission from Paul Sokolovsky : Current docs for random.getrandbits() ( https://docs.python.org/3/library/random.html#random.getrandbits ) read (3.9.1rc1 at the top of the page): Returns a Python integer with k random bits. This method is supplied with the MersenneTwister generator

[issue42559] random.getrandbits: Should it be explicit that it returns unsigned/non-negative integer?

Paul Sokolovsky added the comment: Raymond Hettinger: Thanks for acking it would be a useful change! ZackerySpytz: Thanks for making a patch! -- ___ Python tracker <https://bugs.python.org/issue42

[issue42592] TypedDict: total=False but still key required

New submission from Paul Bryan : I believe "a" below should be an optional key, not a required one. Python 3.9.0 (default, Oct 7 2020, 23:09:01) [GCC 10.2.0] on linux Type "help", "copyright", "credits" or "license" for more information. >

[issue42592] TypedDict: total=False but still key required

Paul Bryan added the comment: Your patch LGTM, Brandt. -- ___ Python tracker <https://bugs.python.org/issue42592> ___ ___ Python-bugs-list mailing list Unsub

[issue42572] Better path handling with argparse

paul j3 added the comment: What exactly do you do with a path argument? Admittedly I'm not expert with os and os.path modules, but isn't a path just a string passed to a function such as cwd(), or joined to another create a filename. I don't know what a 'path'

[issue42572] Better path handling with argparse

paul j3 added the comment: The pathlib.Path is new since I paid much attention to os matters (I cut my teeth on py2.5). Off hand it looks like the user could import pathlib parser.add_argument('-p', type=pathlib.Path) to convert a string into a Path object. A custom typ

[issue42572] Better path handling with argparse

paul j3 added the comment: One caution - the type parameter is a callable (function) that takes one string as argument. I proposed `pathlib.Path` because it does that, returning a Path object. It's a class instance creator. I believe the module has other class initiators. bool(

[issue39106] Add suggestions to argparse error message output for unrecognized arguments

paul j3 added the comment: In the subparser example, it's the `build` subparser that puts '--overwritte' in the unrecognized list. That is then passed back to the main parser, which then issues the 'unrecognized' error, along with its own usage. The

[issue42622] Add support to add existing parser to ArgumentParser.subparsers

paul j3 added the comment: An existing parser can be included in a new subparser via the 'parents' mechanism. With that the _actions and groups of the parent are copied (by reference) to the new subparser. There are some rough edges to the parents mechanism, but people have used

[issue42660] _zoneinfo.c incorrectly checks bounds of `day` variable in calenderrule_new

New submission from Paul Ganssle : This is a code style issue — in https://github.com/python/cpython/pull/23614, a regression was deliberately introduced to satisfy an overzealous compiler. The `day` variable has logical bounds `0 <= day <= 6`. In the original code, both sides o

[issue42660] _zoneinfo.c incorrectly checks bounds of `day` variable in calenderrule_new

Paul Ganssle added the comment: As I mentioned, it's a style issue. Yes this did not introduce any user-observable bugs, nor should it have changed the machine code emitted by the assembly on any competent compiler. The issue is that I had deliberately chosen to do a "redundant

[issue42660] _zoneinfo.c incorrectly checks bounds of `day` variable in calenderrule_new

Paul Ganssle added the comment: > Just my two cents, this isn't just "some compilers". Everything from gcc, > msvc, C# to the rust compiler complain about this sort of code. As they > should, this is effectively dead code. They complain because most of the time it&#

[issue42660] _zoneinfo.c incorrectly checks bounds of `day` variable in calenderrule_new

Paul Ganssle added the comment: There are at least two issues with this: 1. This is a constructor for a struct, and the struct would really unnecessarily balloon in size if we switched everything over to be 32-bit integers (which I think is your suggestion?). This is not a major concern

[issue42660] _zoneinfo.c incorrectly checks bounds of `day` variable in calenderrule_new

Paul Ganssle added the comment: > Adding a static assertion about the signedness of uint8_t looks meaningless > to me. My proposal is to add a static assertion that `day` is an unsigned type. In the code it would look something like it does in the backports.zoneinfo code

[issue42662] Propose: Data model explict about __annotations__ key ordering.

New submission from Paul Bryan : Currently the data model documentation does not specify the order of keys in __annotations__ dictionary. It is currently in the order that arguments or attributes are declared. I propose to make this explicit. Rationale: Having order explicitly specified in

[issue42662] Propose: Data model explict about __annotations__ key ordering.

Change by Paul Bryan : -- keywords: +patch pull_requests: +22668 stage: -> patch review pull_request: https://github.com/python/cpython/pull/23808 ___ Python tracker <https://bugs.python.org/issu

[issue42662] Propose: Data model explict about __annotations__ key ordering.

Paul Bryan added the comment: Retracting. -- resolution: -> not a bug stage: patch review -> resolved status: open -> closed ___ Python tracker <https://bugs.python.or

[issue42663] zoneinfo does not support full range of allowed transition hours in fallback string

New submission from Paul Ganssle : TZif files consist of a list of transitions followed by a POSIX TZ var-style string of a form like "AAA3BBB,M3.2.0/01:30,M11.1.0/02:15:45", which decodes to "AAA (UTC-3) is the standard time and BBB (UTC-2) is the DST time, DST applies start

[issue42677] Support comments in argparse fromfile_prefix_chars files

paul j3 added the comment: https://docs.python.org/3/library/argparse.html#customizing-file-parsing in the docs describes how to customize the @file reading. This particular extension handles several strings on a line, but that's not the limit of what you could do. You can also r

[issue42683] asyncio should handle keyboard interrupt while the event loop is running

New submission from Paul Moore : See the comment on Discourse here: https://discuss.python.org/t/feeding-data-generated-via-asyncio-into-a-synchronous-main-loop/5436/28 (and the thread leading up to this comment). In the thread, @njs states that if the user hits Ctrl-C while the asyncio

[issue42683] asyncio should handle keyboard interrupt while the event loop is running

Change by Paul Moore : -- nosy: +njs ___ Python tracker <https://bugs.python.org/issue42683> ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.pyth

[issue37717] argparse subcommand docs has non-existent parameter "action"

paul j3 added the comment: I'm closing the is as a duplicate of https://bugs.python.org/issue23487, which is already closed. -- resolution: -> duplicate stage: -> resolved status: open -> closed ___ Python tracker <https:

[issue42650] Can people use dest=argparse.SUPPRESS in custom Action classes?

paul j3 added the comment: I'd have to study the code (and docs), but I'm not sure setting the `dest` to 'SUPPRESS' does anything meaningful. default=argparse.SUPPRESS is useful, keeping the default out of the namespace. That argument appears only if the user has u

[issue42697] 3.8.7rc1 regression: 'free(): invalid pointer' after running backports-zoneinfo test suite

Paul Ganssle added the comment: For future reference, this bug is triggered only when `.fromutc` is called on a subclass of `datetime` and the resulting date is the second ambiguous time (e.g. if there's a DST transition from 02:00 → 01:00, and the result of the `.fromutc` call i

[issue42729] tokenize, ast: No direct way to parse tokens into AST, a gap in the language processing pipiline

New submission from Paul Sokolovsky : Currently, it's possible: * To get from stream-of-characters program representation to AST representation (AST.parse()). * To get from AST to code object (compile()). * To get from a code object to first-class function to the execute the program. P

[issue42729] tokenize, ast: No direct way to parse tokens into AST, a gap in the language processing pipiline

Change by Paul Sokolovsky : -- keywords: +patch pull_requests: +22773 stage: -> patch review pull_request: https://github.com/python/cpython/pull/23922 ___ Python tracker <https://bugs.python.org/issu

[issue42729] tokenize, ast: No direct way to parse tokens into AST, a gap in the language processing pipiline

Paul Sokolovsky added the comment: > What prevents you from using ast.parse(tokenize.untokenize(token_stream))? That's exactly the implementation in the patch now submitted against this issue. But that's the patch for CPython, the motive of the proposal here is to establish a

[issue42729] tokenize, ast: No direct way to parse tokens into AST, a gap in the language processing pipiline

Paul Sokolovsky added the comment: > but the thing I don't quite get is the use case. And if that went unanswered: the usecase, how I'd formulate it, is to not expose CPython historical implementation detail of "tokenize" being disconnected from the rest of

[issue42729] tokenize, ast: No direct way to parse tokens into AST, a gap in the language processing pipiline

Paul Sokolovsky added the comment: > There is a considerable tension on exposed parts of the compiler pipeline for > introspection and other capabilities and our ability to do optimizations. > Given how painful it has been in the past to deal with this, my view is to > avoid

[issue42729] tokenize, ast: No direct way to parse tokens into AST, a gap in the language processing pipiline

Paul Sokolovsky added the comment: > the idea was proposed purely to "close a gap" That pinpoints it well. I was just writing a tutorial on implementing custom import hooks, with the idea to show people how easy it to do it in Python. As first step, I explained that it's

[issue42798] pip search fails

New submission from Paul Watson : Fresh install of 3.9.1 Created venv Activated venv (py3.9) 13:12:59.52 C:\venv\py3.9\Scripts C:>pip search astronomy ERROR: Exception: Traceback (most recent call last): File "c:\venv\py3.9\lib\site-packages\pip\_internal\cli\base_command.py",

[issue42855] pathlib.exists on Windows raises an exception on URL like/bad input

Paul Moore added the comment: It's an invalid filename so it raises an exception. You can get the same on Unix by using an invalid filename (embedded null): >>> from pathlib import Path >>> Path("/usr/\0").exists() Traceback (most recent call last):   File &

[issue42855] pathlib.exists on Windows raises an exception on URL like/bad input

Paul Moore added the comment: "http:" isn't a valid drive letter, I'd imagine. -- ___ Python tracker <https://bugs.python.org/issue42855> ___ __

[issue42855] pathlib.exists on Windows raises an exception on URL like/bad input

Paul Moore added the comment: So I guess the key question then is whether Path.exists() should trap exceptions and interpret them as "does not exist" (on all platforms, although it looks like the null character case in Unix has now been fixed). Which doesn't seem unreas

[issue9694] argparse required arguments displayed under "optional arguments"

paul j3 added the comment: Since this issue is closed it might be a good idea to open a new one with this problem. And if possible identify the failed tests. We forgot to allow for the fact that working code/tests might be checking for specific help messages, checks the will fail when

[issue42863] Python venv inconsistent folder structure on windows

Paul Moore added the comment: Many tools hard code the "if windows then 'Scripts' else 'bin'" logic. They will simply fail to work with environments that don't have that layout. Yes, they probably should use sysconfig, but many don't (and sometimes

[issue42904] get_type_hints does not provide localns for classes

New submission from Paul Bryan : According to PEP 563: > The get_type_hints() function automatically resolves the correct value of > globalns for functions and classes. It also automatically provides the > correct localns for classes. This statement about providing correct lo

[issue42904] get_type_hints does not provide localns for classes

Change by Paul Bryan : -- nosy: +larry ___ Python tracker <https://bugs.python.org/issue42904> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue42902] a python embedded program may load "C:\Lib\os.py" on windows system

Paul Moore added the comment: I thought that *all* versions of Python located the standard library by searching for os.py... -- ___ Python tracker <https://bugs.python.org/issue42

[issue42874] running configure on Solaris 10 gives grep "illegal option" errors

Change by Paul Ganssle : -- keywords: +patch pull_requests: +23025 stage: -> patch review pull_request: https://github.com/python/cpython/pull/24200 ___ Python tracker <https://bugs.python.org/issu

[issue42874] running configure on Solaris 10 gives grep "illegal option" errors

Paul Ganssle added the comment: This particular grep statement is used to validate the `tzpath` variable. Apparently it is easy enough to achieve what I was going for using vanilla grep with no options, so I've created GH-24200 to fix the issue. I notice that there are other uses o

[issue42973] argparse: mixing optional and positional arguments... not again

paul j3 added the comment: Your patch is incomplete, without documentation or tests. Your example is incomplete. That is _CustomAction? What namespace does your patch produce. It's been a while since I worked on the intermixed patch, but as I recall the OP was happy with the fix. A

[issue42980] argparse: GNU-style help formatter

paul j3 added the comment: The refactoring looks reasonable. But while we are tweaking: def _format_action_invocation(self, action): I wonder if we also give users more control over how multiple option strings are formatted. Currently if parser.add_argument('-f', &#x

[issue42980] argparse: GNU-style help formatter

paul j3 added the comment: I was thinking of a refactoring that included the ', '.join(...) loop, but on further thought your refactoring might be enough for the case I raised. For example: def _format_option_with_args(self, option_string, args_string): if option_string.

[issue42875] argparse incorrectly shows help string on a new line in case of long command string

paul j3 added the comment: This issue is discussed in: https://bugs.python.org/issue34724 argparse subparser help indent too short and https://stackoverflow.com/questions/3215/max-help-position-is-not-works-in-python-argparse-library

[issue42966] argparse: customizable help formatter

paul j3 added the comment: Years ago I proposed a `format_wrapper`, a Format class factory https://bugs.python.org/issue12806#msg218395 also https://bugs.python.org/issue39809 There I show that the formatter may be lambda formatter = lambda prog: argparse.HelpFormatter(prog, width=100

[issue43022] Unable to dynamically load functions from python3.dll

New submission from Paul Moore : I am writing a small application using the embedded distribution to run a script supplied by the user. The requirements are very simple, so all I need to do is set up argv and call Py_Main. I'm trying to load the Py_Main function dynamically (for flexib

[issue43022] Unable to dynamically load functions from python3.dll

Paul Moore added the comment: So I need to dynamically load *both* python3.dll and python39.dll, but if I do that I can get the functions from python3.dll? What's the point in doing that? Surely I might as well just load python39.dll and get the functions from there, in that case. I

[issue43022] Unable to dynamically load functions from python3.dll

Paul Moore added the comment: Thinking about what you said, "the loader waits to load it until first accessed via GetProcAddress()" did you mean by that, that the following code should work: h = LoadLibraryW(L"some/path/to/python3.dll") py_main = GetProcAddress(

[issue43022] Unable to dynamically load functions from python3.dll

Paul Moore added the comment: Thanks, I'll give that a try. It sounds like I'm just using the APIs incorrectly, which would be good (in the sense that I can do what I wanted, I just didn't know how ;-)) I wonder whether it would be worth having a section in the docs somewh

[issue43022] Unable to dynamically load functions from python3.dll

Paul Moore added the comment: Confirmed. The following code works as I want: Py_Main_t get_pymain(wchar_t *base_dir) { wchar_t *dll_path; HRESULT hr = PathAllocCombine( base_dir, L"python\\python3.dll", PATHCCH_ALLOW_LONG_PATHS, &dll_path );

[issue33129] Add kwarg-only option to dataclass

Change by Paul Bryan : -- nosy: +pbryan ___ Python tracker <https://bugs.python.org/issue33129> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue43022] Unable to dynamically load functions from python3.dll

Paul Moore added the comment: > I think here you're in a very small minority who could get away with this, > and so I'd hesitate to make it sound like the recommended approach. Well, the evidence here is that maybe even I shouldn't be doing this :-) > What I'd a

[issue43022] Unable to dynamically load functions from python3.dll

Paul Moore added the comment: > PathAllocCombine() is Windows 8+, so sample code that uses it would only be > for Python 3.9+. Yeah, I'm probably going to remove that. I mainly used it because I'm *so* spoiled by Python, writing code in C where I have to actually implement s

[issue42973] argparse: mixing optional and positional arguments... not again

paul j3 added the comment: I haven't had a chance to study your longer posts, but it seems to me that the AddFruitAction example could just as well be implemented with parser.add_argument('--color', nargs='*', action='append') with post parsing proc

[issue42973] argparse: mixing optional and positional arguments... not again

paul j3 added the comment: So in the big picture, the purpose of this change is to treat the inputs like a kind of state-machine. In the bigger example, the `**` positional values are processed one by one, using the interspersed optionals to set state parameters. `args.sources` then ends

[issue42973] argparse: mixing optional and positional arguments... not again

paul j3 added the comment: Sometimes patches have unforeseen benefits. My earlier patch for this issue, parse_intermixed_args, has been useful beyond the OP's case. https://stackoverflow.com/questions/50916124/allow-positional-command-line-arguments-with-nargs-to-be-seperated-by-a

[issue43077] Update bundled pip to 21.0.1 and setuptools to 52.0.0

New submission from Paul Moore : I've just released pip 21.0.1, so this updates the bundled copy (as well as updating setuptools). I assume this should be backported to 3.8 and 3.9. -- components: Library (Lib) messages: 385986 nosy: paul.moore priority: normal pull_requests:

[issue43077] Update bundled pip to 21.0.1 and setuptools to 52.0.0

Change by Paul Moore : -- assignee: -> paul.moore nosy: +Marcus.Smith, dstufft, ncoghlan, pradyunsg stage: -> patch review ___ Python tracker <https://bugs.python.org/i

[issue43077] Update bundled pip to 21.0.1 and setuptools to 52.0.0

Paul Moore added the comment: New changeset 4d11ecbb5ed78e6259ee27289c7638aad795f473 by Paul Moore in branch 'master': bpo-43077: Update bundled pip to 21.0.1 and setuptools to 52.0.0 (GH-24386) https://github.com/python/cpython/commit/4d11ecbb5ed78e6259ee27289c7638

[issue43077] Update bundled pip to 21.0.1 and setuptools to 52.0.0

Change by Paul Moore : -- keywords: +patch pull_requests: +23202 pull_request: https://github.com/python/cpython/pull/24387 ___ Python tracker <https://bugs.python.org/issue43

[issue43077] Update bundled pip to 21.0.1 and setuptools to 52.0.0

Change by Paul Moore : -- pull_requests: +23203 pull_request: https://github.com/python/cpython/pull/24388 ___ Python tracker <https://bugs.python.org/issue43

[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

Paul Moore added the comment: I'm not sure why, but the PR to update the bundled pip to 21.0.1 (and setuptools to 52.0.0) merged cleanly, so this may be obsolete now. -- ___ Python tracker <https://bugs.python.org/is

[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

Paul Moore added the comment: It can be closed. -- ___ Python tracker <https://bugs.python.org/issue41490> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

Paul Moore added the comment: That's specifically the ensurepip PR, which is now outdated since pip 21.0.1 is in master. But for this bug report, Steve said "I still consider the changes a release blocking regression, but if it's not blocking ensurepip then I guess the updat

[issue43131] MMAP duplicate reads and writes on ARM64 platform

New submission from Paul Swirhun : mmap (example, as used in python-periphery) duplicates writes, compared to devmem and a c-periphery on an ARM64 platform (Zynq/Petalinux/Yocto). There are various other reports of duplicated writes using mmap suggesting it is a bug. Example: fd = os.open

[issue43131] MMAP duplicate reads and writes on ARM64 platform

Paul Swirhun added the comment: A workaround is using memoryview (as reported here: https://stackoverflow.com/questions/53492716/python-writing-to-memory-in-a-single-operation). This results in only 1 transaction on the bus for some reason. import os, mmap fd = os.open("/dev/mem",

[issue43132] Incorrect handling of PyObject_RichCompareBool() in the _zoneinfo module

Paul Ganssle added the comment: Re-opening because this was merged without tests. @ZackerySpytz would you mind adding tests to hit these error cases? I've spent some time satisfying myself that it's indeed possible, and I've detailed a general outline here: https://gi

[issue43143] Allow multiple assignment (i.e. tuple on LHS) in walrus operator

New submission from Paul Sokolovsky : Currently (CPython 3.10.0a4) having a tuple on left-hand side of assignment expression/operator (aka walrus operator) is not allowed: >>> ((a, b) := (1, 2)) File "", line 1 ((a, b) := (1, 2)) ^ SyntaxError: cannot use ass

[issue42269] Add ability to set __slots__ in dataclasses

Change by Paul Bryan : -- nosy: +pbryan ___ Python tracker <https://bugs.python.org/issue42269> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue43143] Allow multiple assignment (i.e. tuple on LHS) in walrus operator

Change by Paul Sokolovsky : -- nosy: +lys.nikolaou ___ Python tracker <https://bugs.python.org/issue43143> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue43143] Allow multiple assignment (i.e. tuple on LHS) in walrus operator

Paul Sokolovsky added the comment: Thanks. I would like to put this ticket in the context of other grammar-related tickets/elaboration for the assignment operator: https://bugs.python.org/issue42316 - allow foo[a:=1] instead of foo[(a:=1)] https://bugs.python.org/issue42374 - allow (c := i

[issue43160] argparse: add extend_const action

paul j3 added the comment: It's not clear what your patch does that the existing 'store_const' doesn't. Even 'append_const' does the same except for a extra level of list/tuple nesting. But I'll admit that I didn't much need for 'extend&#

[issue43259] argparse: allow add_mutually_exclusive_group on add_argument_group

paul j3 added the comment: The mutually exclusive arguments are displayed with in the argument group, at least in my testing. From a copy-n-paste of your example: In [8]: parser.print_help() usage: ipython3 [-h] [--from-args FROM_ARGS | --from-files FROM_FILES | --from-stdin

[issue43259] argparse: allow add_mutually_exclusive_group on add_argument_group

paul j3 added the comment: The parents mechanism is not elaborate. It copies groups and actions by reference. The comments that I quoted actually come from that method that does this copying. >From a quick glance at that code I see that it does not preserve the group >n

[issue43259] argparse: allow add_mutually_exclusive_group on add_argument_group

paul j3 added the comment: I've added a script that does what you want, but with a simple utility function instead of a parent (or lots of copy-n-paste). I explored the code a bit, and have an idea that might correct the [parent] behavior. In the method that copies a parent

[issue29399] python3.dll export forwarders not resolved in all situations due to missing python3?.dll dependency and DLL search path behavior

Paul Moore added the comment: No, because I want to work with whatever version of Python the user puts there. Yes, I could search for "python3*.dll" and load the one I find, but I'm writing this in C, and I get a migraine whenever I have to write more than about 15 lines

[issue43345] Add __required_keys__ and __optional_keys__ to TypedDict documentation

New submission from Paul Bryan : >From Typing-sig list: On Thu, Feb 11, 2021 at 10:54 PM Paul Bryan wrote: > I don't think __required_keys__ or __optional_keys__ are documented, at least > not in https://docs.python.org/3.10/library/typing.html. Is there any reason > we can

[issue43345] Add __required_keys__ and __optional_keys__ to TypedDict documentation

Change by Paul Bryan : -- nosy: +gvanrossum ___ Python tracker <https://bugs.python.org/issue43345> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue43345] Add __required_keys__ and __optional_keys__ to TypedDict documentation

Change by Paul Bryan : -- keywords: +patch pull_requests: +23453 stage: -> patch review pull_request: https://github.com/python/cpython/pull/24668 ___ Python tracker <https://bugs.python.org/issu

[issue43345] Add __required_keys__ and __optional_keys__ to TypedDict documentation

Change by Paul Bryan : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker <https://bugs.python.or

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