[issue42778] Add follow_symlinks=True parameter to both os.path.samefile() and Path.samefile()

Tom Hale added the comment: In summary: The underlying os.stat() takes a follow_symlinks=True parameter but it can't be set to False when trying to samefile() two symbolic links. -- title: Add follow_symlinks=True to {os.path,Path}.samefile -> Add follow_symlinks=True parameter to

[issue42778] Add follow_symlinks=True to {os.path,Path}.samefile

New submission from Tom Hale : The os.path and Path implementations of samefile() do not allow comparisons of symbolic links: % mkdir empty && chdir empty % ln -s non-existant broken % ln broken lnbroken % ls -i # Show inode numbers 19325632 broken@ 19325632 lnbroken@ % Yup, they are the

[issue42560] Improve Tkinter Documentation

FredInChina added the comment: I agree with @MasonGinter, the documentation is somewhat lacking. Relying on third parties is fragile - we were fortunate that the University of New Mexico Tech docs maintained by Pr. John W. Shipman were

ANN: NumExpr 2.7.2

Announcing NumExpr 2.7.2 Hi everyone, It's been awhile since the last update to NumExpr, mostly as the existing scientific Python tool chain for building wheels on PyPi became defunct and we have had to redevelop a new one based on `cibuildwheel`

[issue7057] tkinter doc: more 3.x updates

FredInChina added the comment: Are there good reasons not to close this issue? It is marked as "easy", but it seems that the problems in reference have either been fixed, or died of old age. -- nosy: +ReblochonMasque ___ Python tracker

[issue42775] __init_subclass__ should be called in __init__

Ethan Furman added the comment: Guido, I just wanted to get it all in place while it was fresh in my mind. Actual code tends to make a discussion easier. I'll make sure and transcribe any relevant discussion from python-dev to here. -- ___

[issue42776] The string find method shows the problem

ye andy added the comment: When I say True here, I'm not talking about querying, I'm talking about syntax, as far as I know, document is supposed to support keyword arguments, but it doesn't Steven D'Aprano 于2020年12月29日周二 上午11:36写道： > > Steven D'Aprano added the comment: > > # True >

[issue42775] __init_subclass__ should be called in __init__

Guido van Rossum added the comment: Whoa, you start a discussion on python-dev and another on bpo? That sounds a bit hasty. -- nosy: +gvanrossum ___ Python tracker ___

[issue42775] __init_subclass__ should be called in __init__

Change by Ethan Furman : -- keywords: +patch pull_requests: +22829 stage: needs patch -> patch review pull_request: https://github.com/python/cpython/pull/23986 ___ Python tracker

[issue42775] __init_subclass__ should be called in __init__

Change by Ethan Furman : -- nosy: +ncoghlan ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue42770] Typo in email.headerregistry docs

Zachary Ware added the comment: Thanks for the report, bazwal; for the patch, Zackery; and for the ping Ammar :) -- nosy: +zach.ware resolution: -> fixed stage: patch review -> resolved status: open -> closed type: enhancement -> behavior ___

[issue8595] Explain the default timeout in http-client-related libraries

Change by Senthil Kumaran : -- assignee: docs@python -> orsenthil versions: +Python 3.10 -Python 2.6, Python 2.7, Python 3.1 ___ Python tracker ___

[issue8481] doc: ctypes no need to explicitly allocate writable memory with Structure

Senthil Kumaran added the comment: This is a not a bug, it asks for parameter types to explained. API documentation reference should provide the guidance. -- nosy: +orsenthil resolution: -> wont fix stage: -> resolved status: open -> closed versions: +Python 3.10 -Python 2.6,

[issue8822] datetime naive and aware types should have a well-defined definition that can be cross-referenced

Change by Senthil Kumaran : -- versions: +Python 3.10 -Python 2.6, Python 2.7, Python 3.1, Python 3.2 ___ Python tracker ___ ___

[issue1398781] Example in section 5.3 "Pure Embedding" doesn't work.

Change by Senthil Kumaran : -- keywords: -easy versions: +Python 3.10 -Python 2.6 ___ Python tracker ___ ___ Python-bugs-list

[issue42770] Typo in email.headerregistry docs

miss-islington added the comment: New changeset 0b43778b3cd222761beb850178492b6bd0ea2370 by Miss Islington (bot) in branch '3.9': bpo-42770: Fix a typo in the email.headerregistry docs (GH-23982) https://github.com/python/cpython/commit/0b43778b3cd222761beb850178492b6bd0ea2370 --

[issue42770] Typo in email.headerregistry docs

miss-islington added the comment: New changeset e11639880a73f30b4009efa8d14c350932e35332 by Miss Islington (bot) in branch '3.8': bpo-42770: Fix a typo in the email.headerregistry docs (GH-23982) https://github.com/python/cpython/commit/e11639880a73f30b4009efa8d14c350932e35332 --

[issue42777] WindowsPath does not implement is_mount but ntpath implements and offers a ismount method

New submission from David : pathlib.WindowsPath[0] does not implement is_mount but ntpath implements and offers a ismount[1] method. Perhaps WindowsPath is_mount can make use of ntpath.ismount ? [0] https://github.com/python/cpython/blob/master/Lib/pathlib.py#L1578 [1]

[issue42770] Typo in email.headerregistry docs

Change by miss-islington : -- pull_requests: +22827 pull_request: https://github.com/python/cpython/pull/23984 ___ Python tracker ___

[issue42770] Typo in email.headerregistry docs

Change by miss-islington : -- pull_requests: +22828 pull_request: https://github.com/python/cpython/pull/23985 ___ Python tracker ___

[issue42770] Typo in email.headerregistry docs

miss-islington added the comment: New changeset c56988b88fecf6dc70f039704fda6051a0754db1 by Zackery Spytz in branch 'master': bpo-42770: Fix a typo in the email.headerregistry docs (GH-23982) https://github.com/python/cpython/commit/c56988b88fecf6dc70f039704fda6051a0754db1 -- nosy:

[issue42717] The python interpreter crashed with "_enter_buffered_busy"

Xinmeng Xia added the comment: Could we try to limit the number of thread or state or something? I mean if we set parameter of "range", for example, to 1000 or less here, the crash will no longer happen. I think the parser can not handle too heavy loop so that it crashes. --

[issue42763] Exposing a race in the "_warnings" resulting Python parser crash

Xinmeng Xia added the comment: Thank you, but I don't think this is a duplicate of issue42717. This crash is probably caused by the parameter "target" of Thread. "Target" accept the "callable object". Defaults to None. In this program, it's assigned to a "Int object". I think a pre-checking

[issue42776] The string find method shows the problem

Steven D'Aprano added the comment: # True data.find('a', 0) That will return 0, not True. # False data.find('a', start=0) And that will raise TypeError, not return False. What exactly are you reporting here? I have read your bug report, and looked at the screen shot, and I have no idea

[issue42762] infinite loop resulted by "yield"

Xinmeng Xia added the comment: Thanks for your kind explanation! My description is a little confusing. Sorry about that. The problem here is that the program should stop when the exception is caught whatever the exception is. (I think bpo-25612 (#1773) fixed exception selection problems and

[issue42776] The string find method shows the problem

New submission from andy ye : data = 'abcddd' # True data.find('a', 0) # False data.find('a', start=0) # document class str(obj): def find(self, sub, start=None, end=None): # real signature unknown; restored from __doc__ """ S.find(sub[, start[, end]]) -> int

[issue42775] __init_subclass__ should be called in __init__

Ethan Furman added the comment: My understanding of using keywords in class headers class MyClass(SomeBaseClass, setting='maybe'): ... is that the keywords would get passed into the super classes `__init_subclass__` (`SomeBaseClass` and `setting`). However, in the cases of -

[issue42775] __init_subclass__ should be called in __init__

New submission from Ethan Furman : PEP 487 introduced __init_subclass__ and __set_name__, and both of those were wins for the common cases of metaclass usage. Unfortunately, the implementation of PEP 487 with regards to __init_subclass__ has made the writing of correct metaclasses

[issue35815] Able to instantiate a subclass with abstract methods from __init_subclass__ of the ABC

Ethan Furman added the comment: If the patch in issue42775 is committed, this problem will be solved. -- assignee: -> ethan.furman superseder: -> __init_subclass__ should be called in __init__ ___ Python tracker

asyncio cancellation pattern

I've started writing some asyncio code in lieu of using threads and managing concurrency and primitives manually. Having spent a lot of time using c#'s async implementation, I am struggling to see an elegant pattern for implementing cancellation. With the necessity for the loop (that of which I

Re: Which method to check if string index is queal to character.

On 2020-12-28, Michael Torrie wrote: > On 12/28/20 10:46 AM, Marco Sulla wrote: >> On Mon, 28 Dec 2020 at 17:37, Bischoop wrote: >>> >>> I'd like to check if there's "@" in a string and wondering if any method >>> is better/safer than others. I was told on one occasion that I should >>> use is

[issue42740] typing.py get_args and get_origin should support PEP 604 and 612

Change by Guido van Rossum : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___

[issue42740] typing.py get_args and get_origin should support PEP 604 and 612

Guido van Rossum added the comment: New changeset efb1f0918fad2ba3346a986b0e958dc5753a7bbe by Ken Jin in branch 'master': bpo-42740: Support PEP 604, 612 for typing.py get_args and get_origin (GH-23942) https://github.com/python/cpython/commit/efb1f0918fad2ba3346a986b0e958dc5753a7bbe

Re: Which method to check if string index is queal to character.

On 12/28/20 8:02 PM, Chris Angelico wrote: > > Yes, many such regexes exist, and they are *all wrong*. Without > exception. I don't think it's actually possible for a regex to > perfectly match all (syntactically) valid email addresses and nothing > else. > > ChrisA Since Email addresses are

Re: Which method to check if string index is queal to character.

On 2020-12-28, Mats Wichmann wrote: > On 12/28/20 10:46 AM, Marco Sulla wrote: >> On Mon, 28 Dec 2020 at 17:37, Bischoop wrote: >>> >>> I'd like to check if there's "@" in a string and wondering if any method >>> is better/safer than others. I was told on one occasion that I should >>> use is

[issue42774] 'ipaddress' module, bad result for 'is_private' on "192.0.0.0"

Change by Trevor Marvin : -- resolution: -> not a bug stage: -> resolved status: open -> closed ___ Python tracker ___ ___

RE: Which method to check if string index is queal to character.

Thanks, Chris, I am not actually up-to-date on such messaging issues but not shocked at what you wrote. Years ago I recall most messages going out of my workplace looked like machine!machine2!ihnp4!more!evenmore!user with no @ in sight and as you mention, you may want to send to a domain and have

[issue42753] "./configure" linux chrome beta

Gerrik Labra added the comment: Understood. Thank you. On Mon, Dec 28, 2020 at 10:50 AM Eric V. Smith wrote: > > Eric V. Smith added the comment: > > This appears to not be a bug with Python, so I'm going to close this. If > you're having additional build problems, I suggest you ask for

Re: Which method to check if string index is queal to character.

On Tue, Dec 29, 2020 at 10:08 AM Avi Gross via Python-list wrote: > > This may be a nit, but can we agree all valid email addresses as used today > have more than an @ symbol? > > I see it as requiring at least one character before the @ that come from a > list of allowed characters (perhaps not

[issue42765] Introduce new data model method __iter_items__

Change by Eric V. Smith : -- nosy: +eric.smith ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue42774] 'ipaddress' module, bad result for 'is_private' on "192.0.0.0"

Eric V. Smith added the comment: The ipaddress documentation references https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml, which says that 192.0.0.0/29 is reserved and not globally reachable. I think in that sense, it's a private address.

[issue42774] 'ipaddress' module, bad result for 'is_private' on "192.0.0.0"

New submission from Trevor Marvin : Tested on Python 3.6.9 with "ipaddress" module, module version 1.0. ipaddress.ip_address('192.0.0.0').is_private Incorrectly returns as 'True'. Per RFC 1918 / BCP 5, section 3, the private IPv4 space sarting with '192' is only '192.168.0.0/16'.

[issue42773] build.yml workflow not testing on pushes

Ammar Askar added the comment: Any commit that gets to pushed to the master, 3.9, 3.8 and 3.7 branches. e.g all the commits here https://github.com/python/cpython/commits/master, they end up failing the "Check for source changes" step and skipping even when there's non-documentation

[issue40522] [subinterpreters] Get the current Python interpreter state from Thread Local Storage (autoTSSkey)

STINNER Victor added the comment: Mark Shannon experiment using __thread: * https://mail.python.org/archives/list/python-...@python.org/thread/RPSTDB6AEMIACJFZKCKIRFTVLAJQLAS2/ * https://github.com/python/cpython/compare/master...markshannon:threadstate_in_tls He added " extern __thread

[issue42770] Typo in email.headerregistry docs

Zackery Spytz added the comment: I've created a fix for this error. -- versions: +Python 3.8 ___ Python tracker ___ ___

[issue42772] randrange() mishandles step when stop is None

Raymond Hettinger added the comment: > Should I restore that optimization in issue37319? Yes, but to fix the bug it needs to occur earlier in the code (currently line 314): if stop is None and step is _ONE: <-- Line 314 ^ <-- Add this And again

[issue42770] Typo in email.headerregistry docs

Change by Zackery Spytz : -- keywords: +patch nosy: +ZackerySpytz nosy_count: 3.0 -> 4.0 pull_requests: +22826 stage: -> patch review pull_request: https://github.com/python/cpython/pull/23982 ___ Python tracker

[issue42773] build.yml workflow not testing on pushes

STINNER Victor added the comment: > build.yml workflow not testing on pushes What does it mean: "on pushes"? -- ___ Python tracker ___

[issue42754] Unpacking of literals inside other literals should be optimised away by the compiler

Pablo Galindo Salgado added the comment: > This is a similar case. I am -1 for this optimization. Yeah, I concur. One of the major drawbacks of this is that the normal case where this happens involves a Load(): z = "something" x = ["a", *z, "b"] I see almost no reason to nest the literals

RE: Which method to check if string index is queal to character.

This may be a nit, but can we agree all valid email addresses as used today have more than an @ symbol? I see it as requiring at least one character before the @ that come from a list of allowed characters (perhaps not ASCII) but does not include the symbol @ again. It is normally followed by

Re: Which method to check if string index is queal to character.

On 12/28/20 1:27 PM, Richard Damon wrote: > Validating that it meets the SYNTAX of an email address isn't THAT hard, > but there are a number of edge cases to worry about. Yes one would think that, but in my experience half of all web sites get it wrong, insisting that my perfectly valid and

Re: Which method to check if string index is queal to character.

On 2020-12-28, Bischoop wrote: > On 2020-12-28, Stefan Ram wrote: >> >> "@" in s >> > > That's what I thought. > >>>I want check if string is a valid email address. >> >> I suggest to first try and define "valid email address" in English. > > A valid email address consists of an email prefix

Re: Which method to check if string index is queal to character.

On 12/28/20 4:52 PM, Michael Torrie wrote: > On 12/28/20 10:37 AM, Bischoop wrote: >> A valid email address consists of an email prefix and an email domain, >> both in acceptable formats. The prefix appears to the left of the @ symbol. >> The domain appears to the right of the @ symbol. >> For

[issue42393] Raise overflow errors iso. deprecation warnings in socket.htons and socket.ntohs (was deprecated in 3.7)

Change by Erlend Egeberg Aasland : -- pull_requests: +22825 stage: -> patch review pull_request: https://github.com/python/cpython/pull/23980 ___ Python tracker ___

[issue35943] PyImport_GetModule() can return partially-initialized module

Change by Cebtenzzre : -- nosy: +cebtenzzre ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue41567] multiprocessing.Pool from concurrent threads failure on 3.9.0rc1

Change by Cebtenzzre : -- nosy: +cebtenzzre ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue42243] Don't access the module dictionary directly

Change by Erlend Egeberg Aasland : -- stage: patch review -> resolved status: open -> closed ___ Python tracker ___ ___

[issue42243] Don't access the module dictionary directly

Change by Erlend Egeberg Aasland : -- resolution: -> wont fix ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue42773] build.yml workflow not testing on pushes

New submission from Ammar Askar : It looks like on pushes to Github, we currently aren't running tests. (Though this isn't too big of a concern since they get run on pull requests). Here's an example of a recent run https://github.com/python/cpython/runs/1609911031 ``` fatal: ambiguous

Re: Which method to check if string index is queal to character.

On Tue, Dec 29, 2020 at 8:57 AM dn via Python-list wrote: > After such disparagement it is worth remembering that there are checks > and there are checks! It depends upon the purpose of the check, or the > level-of-detail/accuracy desired! > > When accepting user-data it *is* worth (even

Re: Which method to check if string index is queal to character.

On 28Dec2020 13:08, Mats Wichmann wrote: >On 12/28/20 10:46 AM, Marco Sulla wrote: >>On Mon, 28 Dec 2020 at 17:37, Bischoop wrote: >>>I'd like to check if there's "@" in a string and wondering if any >>>method is better/safer than others. Others have pointed out: '@' in s >Will add that Yes,

Re: Which method to check if string index is queal to character.

On 29/12/2020 09:27, Richard Damon wrote: On 12/28/20 3:08 PM, Mats Wichmann wrote: On 12/28/20 10:46 AM, Marco Sulla wrote: On Mon, 28 Dec 2020 at 17:37, Bischoop wrote: ... but probably what you really want is a regular expression. because... Will add that Yes, you should always

Re: Which method to check if string index is queal to character.

On 12/28/20 10:46 AM, Marco Sulla wrote: > On Mon, 28 Dec 2020 at 17:37, Bischoop wrote: >> >> I'd like to check if there's "@" in a string and wondering if any method >> is better/safer than others. I was told on one occasion that I should >> use is than ==, so how would be on this example. >>

Re: Which method to check if string index is queal to character.

On 12/28/20 10:37 AM, Bischoop wrote: > A valid email address consists of an email prefix and an email domain, > both in acceptable formats. The prefix appears to the left of the @ symbol. > The domain appears to the right of the @ symbol. > For example, in the address exam...@mail.com, "example"

[issue42754] Unpacking of literals inside other literals should be optimised away by the compiler

Serhiy Storchaka added the comment: I do not think there are serious raesons for adding this optimization. The Python compiler was intentionally made simple for maintainability. Constant folding supports only base arithmetic and bits operations because they are often used in constant

[issue42765] Introduce new data model method __iter_items__

Steven D'Aprano added the comment: Hi Richard, > Also, using _asdict() seems strange as an exposed API, since it's an > underscore method and users hence might not be inclined to use it. I don't consider this a strong argument. Named tuple in general has to use a naming convention for

[issue42754] Unpacking of literals inside other literals should be optimised away by the compiler

Pablo Galindo Salgado added the comment: I have added a draft PR on how the idea would look like so we can discuss with a specific proposal. -- ___ Python tracker ___

[issue42754] Unpacking of literals inside other literals should be optimised away by the compiler

Change by Pablo Galindo Salgado : -- keywords: +patch pull_requests: +22824 stage: -> patch review pull_request: https://github.com/python/cpython/pull/23979 ___ Python tracker

[issue42772] randrange() mishandles step when stop is None

Serhiy Storchaka added the comment: > Another solution is to use an identity test for the step argument Should I restore that optimization in issue37319? -- ___ Python tracker

[issue42772] randrange() mishandles step when stop is None

Raymond Hettinger added the comment: Another solution is to use an identity test for the step argument _one = 1 class Random: def randrange(start, stop=None, step=_one): ... if stop is None and step is _one: if istart > 0:

[issue42739] Crash when try to disassemble bogus code object

Ammar Askar added the comment: This seems to be part 2 of the problems Mark mentioned in issue42562. Namely in this case the `co_lnotab` accessor uses PyLineTable_NextAddressRange which has that assertion. -- nosy: +ammar2 ___ Python tracker

[issue42772] randrange() mishandles step when stop is None

Raymond Hettinger added the comment: Note, we can't actually use "self.choice(range(*args))" because the underlying len() call can Overflow. If it does, the components need to be computed manually. -- ___ Python tracker

[issue42770] Typo in email.headerregistry docs

Ammar Askar added the comment: Confirmed, the attribute under https://docs.python.org/3.10/library/email.headerregistry.html#email.headerregistry.ContentDispositionHeader is incorrect. bazwal, would you like to propose a patch to fix this? The code is here:

[issue42771] Implement interactive hotkey, Ctrl+L to clear the console in Windows.

Eryk Sun added the comment: > As the legacy cmd.exe can be easily replaced, that leaves python.exe. python.exe is a console application, which attaches to a console session. Since Windows 7, each console session is hosted by an instance of conhost.exe. The CMD shell (cmd.exe) is a console

Re: Which method to check if string index is queal to character.

On 12/28/20 3:08 PM, Mats Wichmann wrote: > On 12/28/20 10:46 AM, Marco Sulla wrote: >> On Mon, 28 Dec 2020 at 17:37, Bischoop wrote: >>> >>> I'd like to check if there's "@" in a string and wondering if any >>> method >>> is better/safer than others. I was told on one occasion that I should >>>

[issue42740] typing.py get_args and get_origin should support PEP 604 and 612

miss-islington added the comment: New changeset 03e571f1d5f3e7a11f33bb9f47dd4acedf17b166 by Miss Islington (bot) in branch '3.9': bpo-42740: Fix get_args for PEP 585 collections.abc.Callable (GH-23963) https://github.com/python/cpython/commit/03e571f1d5f3e7a11f33bb9f47dd4acedf17b166

[issue42048] Document Argument Clinic's defining_class converter

Change by Erlend Egeberg Aasland : -- keywords: +patch pull_requests: +22823 stage: -> patch review pull_request: https://github.com/python/cpython/pull/23978 ___ Python tracker

Re: Which method to check if string index is queal to character.

On 12/28/20 10:46 AM, Marco Sulla wrote: On Mon, 28 Dec 2020 at 17:37, Bischoop wrote: I'd like to check if there's "@" in a string and wondering if any method is better/safer than others. I was told on one occasion that I should use is than ==, so how would be on this example. s =

[issue42740] typing.py get_args and get_origin should support PEP 604 and 612

Change by miss-islington : -- pull_requests: +22822 pull_request: https://github.com/python/cpython/pull/23977 ___ Python tracker ___

[issue42740] typing.py get_args and get_origin should support PEP 604 and 612

miss-islington added the comment: New changeset 4140f10a16f06c32fd49f9e21fb2a53abe7357f0 by Ken Jin in branch 'master': bpo-42740: Fix get_args for PEP 585 collections.abc.Callable (GH-23963) https://github.com/python/cpython/commit/4140f10a16f06c32fd49f9e21fb2a53abe7357f0 -- nosy:

[issue42767] Review usage of atomic variables in signamodule.c

Ammar Askar added the comment: > For me, the most surprising part is Handlers[signum].tripped which is > declared as volatile *and* an atomic variable. I think it's just following this part of the C spec (Some background in bpo-12060): > or refers to any object with static storage duration

[issue42772] randrange() mishandles step when stop is None

Change by Raymond Hettinger : -- nosy: +tim.peters ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue42772] randrange() mishandles step when stop is None

Raymond Hettinger added the comment: One fix is to move up the code for converting step to istep and then modify the early out test to: if stop is None and istep == 1: if istart > 0: return self._randbelow(istart) That would have the downside of slowing

[issue42762] infinite loop resulted by "yield"

Steve Stagg added the comment: Behaviour was changed in this commit: --- commit ae3087c6382011c47db82fea4d05f8bbf514265d Author: Mark Shannon Date: Sun Oct 22 22:41:51 2017 +0100 Move exc state to generator. Fixes bpo-25612 (#1773) Move exception state information from frame

[issue42771] Implement interactive hotkey, Ctrl+L to clear the console in Windows.

Mike Miller added the comment: I found an implementation of this for Windows in case it is needed. Not sure if it is the best way to do it, as the Console API is rather clumsy. However this one works to my knowledge: https://github.com/tartley/colorama/blob/master/colorama/winterm.py#L111

[issue42772] randrange() mishandles step when stop is None

Change by Raymond Hettinger : -- assignee: rhettinger -> versions: +Python 3.9 ___ Python tracker ___ ___ Python-bugs-list mailing

Re: Which method to check if string index is queal to character.

On Tue, Dec 29, 2020 at 6:18 AM Bischoop wrote: > > On 2020-12-28, Stefan Ram wrote: > > > > "@" in s > > > > That's what I thought. > > >>I want check if string is a valid email address. > > > > I suggest to first try and define "valid email address" in English. > > > > > > A valid email

[issue42772] randrange() mishandles step when stop is None

Change by Raymond Hettinger : -- assignee: -> rhettinger ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

Re: Which method to check if string index is queal to character.

On 12/28/2020 11:31 AM, Bischoop wrote: I'd like to check if there's "@" in a string Use the obvious "'@' in string". > and wondering if any method is better/safer than others. Any special purpose method built into the language is likely to be fastest. Safest? What danger are you worried

[issue42772] randrange() mishandles step when stop is None

New submission from Raymond Hettinger : When stop is None, the step argument is ignored: >>> randrange(1000, None, 100) 651 >>> randrange(1000, step=100) 673 -- components: Library (Lib) messages: 383919 nosy: rhettinger, serhiy.storchaka priority: normal severity: normal status: open

Re: Which method to check if string index is queal to character.

On 2020-12-28, Stefan Ram wrote: > > "@" in s > That's what I thought. >>I want check if string is a valid email address. > > I suggest to first try and define "valid email address" in English. > > A valid email address consists of an email prefix and an email domain, both in acceptable

[issue37319] Deprecate using random.randrange() with non-integers

Raymond Hettinger added the comment: I merged in PR 23064. If you want to make further modifications or improvements that would be welcome. -- ___ Python tracker ___

[issue42771] Implement interactive hotkey, Ctrl+L to clear the console in Windows.

New submission from Mike Miller : The Ctrl+L as clear-screen hotkey is supported just about everywhere, Unix and Windows, with the exceptions of cmd.exe and python.exe interactive mode. As the legacy cmd.exe can be easily replaced, that leaves python.exe. Likely needs to be configured via

[issue42222] Modernize integer test/conversion in randrange()

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

[issue42222] Modernize integer test/conversion in randrange()

Raymond Hettinger added the comment: New changeset a9621bb301dba44494e81edc00e3a3b62c96af26 by Raymond Hettinger in branch 'master': bpo-4: Modernize integer test/conversion in randrange() (#23064) https://github.com/python/cpython/commit/a9621bb301dba44494e81edc00e3a3b62c96af26

[issue42763] Exposing a race in the "_warnings" resulting Python parser crash

Steve Stagg added the comment: Looks like a duplicate of issue42717. Causing a daemonic thread to terminate while doing IO will trigger the above abort -- nosy: +stestagg ___ Python tracker

[issue42753] "./configure" linux chrome beta

Eric V. Smith added the comment: This appears to not be a bug with Python, so I'm going to close this. If you're having additional build problems, I suggest you ask for help on the python-list mailing list, or maybe on Stack Overflow. -- resolution: -> not a bug stage: -> resolved

[issue42717] The python interpreter crashed with "_enter_buffered_busy"

Steve Stagg added the comment: I think the problem here is that the issue can only really be detected late on during interpreter shutdown. This makes recovery very hard to do. Plus the thread termination has left shared state in an unmanaged condition, so it's super dangerous to re-enter

[issue42754] Unpacking of literals inside other literals should be optimised away by the compiler

Batuhan Taskaya added the comment: We could possibly fold this at the AST optimizer, though I am not sure whether this worths anything as an optimization since it is a real obscure pattern. I've only found 2 occurrences (both from the test suite of black) on a relatively ~big dataset of

Re: Which method to check if string index is queal to character.

On 2020-12-28 16:31, Bischoop wrote: I'd like to check if there's "@" in a string and wondering if any method is better/safer than others. I was told on one occasion that I should use is than ==, so how would be on this example. [snip] The shortest and quickest way to check whether "@" is in

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