[issue33187] Document ElementInclude (XInclude) support in ElementTree

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

[issue38660] Checking if two regexes are equal should test if they are functionally equivalent

New submission from Борис Верховский : re.compile('([-_.a-zA-Z0-9]+)') == re.compile(r'([-\w.]+)') should return True because those are the same regex (\w is a-z, A-Z, 0-9 and the underscore). If you want to check if two regexes are identical you would compare the original strings, before r

[issue37607] segfault running code in jupyter on macOS 10.14.5 - crashed on child side of fork pre-exec

Ned Deily added the comment: Looking at the macOS crash report you supplied (thanks!), the crash is occurring below libcurl which is called by the third-party pycurl module, so not in Python Standard Library code. And the crash appears to another of macOS's attempts to catch doing unsafe cal

[issue38658] Python Program crashes when running in fore and back ground

Ned Deily added the comment: Thanks for the report. This appears to be another instance of a long-standing unresolved problem when using networks functions in a thread application on macOS that invoke Python's _scproxy helper module to obtain possible network proxy configuration info from m

[issue38642] python3.7.3 seems to cause add-apt-repository to rejct or not find gi library

Change by Ned Deily : -- nosy: +doko -Marco Ippolito ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://

[issue38645] datetime.datetime.fromtimestamp(0, tzlocal()) throws error

Ammar Askar added the comment: Closing, here's the bug in dateutil's repo: https://github.com/dateutil/dateutil/issues/197 -- resolution: -> third party stage: -> resolved status: open -> closed ___ Python tracker

[issue38645] datetime.datetime.fromtimestamp(0, tzlocal()) throws error

Michael Zhang added the comment: Yeah, seconded with my own tracing as well. -- ___ Python tracker ___ ___ Python-bugs-list mailing

[issue38645] datetime.datetime.fromtimestamp(0, tzlocal()) throws error

Ammar Askar added the comment: Err...I mean I think this is a dateutil bug rather than in the Python stdlib. -- ___ Python tracker ___

[issue38645] datetime.datetime.fromtimestamp(0, tzlocal()) throws error

Ammar Askar added the comment: It is windows specific, but I don't think this is a dateutil bug rather than the python stdlib: Python 3.6.5 (v3.6.5:f59c0932b4, Mar 28 2018, 16:07:46) [MSC v.1900 32 bit (Intel)] on win32 Type "help", "copyright", "credits" or "license" for more information. >

[issue38645] datetime.datetime.fromtimestamp(0, tzlocal()) throws error

ThePokestarFan added the comment: Can you run >>>import dateutil >>>print(repr(dateutil)) -- ___ Python tracker ___ ___ Python-bug

[issue38645] datetime.datetime.fromtimestamp(0, tzlocal()) throws error

Michael Zhang added the comment: I think it might be something Windows specific; the original comment includes the version and code to reproduce. -- ___ Python tracker ___ __

[issue38656] mimetypes for python 3.7.5 fails to detect matroska video

Ammar Askar added the comment: This is what I get on master, will try 3.7.5+ as noted in the Github issue: Python 3.9.0a0 (heads/noopt-dirty:f3b170812d, Oct 1 2019, 20:15:53) [MSC v.1916 32 bit (Intel)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> impo

[issue38656] mimetypes for python 3.7.5 fails to detect matroska video

Karthikeyan Singaravelan added the comment: I couldn't find mkv in mimetypes with search. Can you please post the output of the mimetypes query in 3.7.4 and 3.7.5 for the regression? In the attached GitHub issue the user reports mkv returns None and mp4 is detected. -- _

[issue38656] mimetypes for python 3.7.5 fails to detect matroska video

Change by Karthikeyan Singaravelan : -- nosy: +xtreak ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https:/

[issue38659] enum classes cause slow startup time

Change by Karthikeyan Singaravelan : -- nosy: +ethan.furman ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: h

[issue38645] datetime.datetime.fromtimestamp(0, tzlocal()) throws error

Dong-hee Na added the comment: Python 3.9.0a0 (heads/master:112f2b805b, Nov 1 2019, 10:48:20) [GCC 7.4.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import datetime >>> utc_tzinfo = datetime.timezone.utc >>> print(datetime.datetime.fromtimestamp(0, utc_

[issue36664] argparse: parser aliases in subparsers stores alias in dest variable

paul j3 added the comment: Just clarify how the code currently works. `subparsers` is a positional Action of subclass _SubParsersAction. It has a nargs='+...', requiring at least one string, and taking all remaining strings. Its __call__ has the standard signature. So everything that's s

[issue38654] `urllib.request.Request` uses mutable value as default value

Efanzh added the comment: I agree that this doesn’t fix any bug. But is is easy to make mistakes by using mutable default values (See https://docs.python-guide.org/writing/gotchas/#mutable-default-arguments). Both PyCharm and pylint show warnings about mutable default arguments even there is

[issue38659] enum classes cause slow startup time

New submission from Gregory P. Smith : Creating an enum subclass (ie: defining an enum) is slow. This dramatically impacts startup time of Python programs that import a bunch of potentially needed constant definitions at startup before any proper code executes. How slow? So slow that a modu

[issue38622] _ctypes.dlsym (py_dl_sym) does not trigger audit hooks

tholl added the comment: I probably should have done this earlier, but here's a small test case that reproduces the issue. The assert fails in vanilla Python 3.8, but passes with the patch. -- type: -> behavior Added file: https://bugs.python.org/file48689/audit-test.py ___

[issue35182] Popen.communicate() breaks when child closes its side of pipe but not exits

Change by Andriy Maletsky : -- pull_requests: +16540 pull_request: https://github.com/python/cpython/pull/17023 ___ Python tracker ___ _

[issue38654] `urllib.request.Request` uses mutable value as default value

Serhiy Storchaka added the comment: It is not needed. There is no bug. Nothing to change. -- resolution: -> not a bug stage: -> resolved status: open -> closed ___ Python tracker __

[issue38654] `urllib.request.Request` uses mutable value as default value

Efanzh added the comment: How about changing `if headers` to `if headers is not None`? -- ___ Python tracker ___ ___ Python-bugs-li

[issue32309] Implement asyncio.run_in_executor shortcut

Kyle Stanley added the comment: > end up adding two high-level functions Clarification: asyncio.run_in_executor() would be a function, but asyncio.ThreadPool would be a context manager class. -- ___ Python tracker

[issue32309] Implement asyncio.run_in_executor shortcut

Kyle Stanley added the comment: > I don't like the low-level API of run_in_executor. "executor" being the > first argument, the inability to pass **kwargs, etc. > I mean it's great that we can use 'concurrent.futures' in asyncio, but having > native asyncio pools implementation would be way

[issue38645] datetime.datetime.fromtimestamp(0, tzlocal()) throws error

ThePokestarFan added the comment: For me, it seems that dateutil is not a standard Python library module. When I run `import dateutil` it reports that there is no module called dateutil. ``` >>> import dateutil Traceback (most recent call last): File "", line 1, in ImportError: No module n

[issue38652] Remove/update provisional note for asyncio.BufferedProtocol

Yury Selivanov added the comment: Yeah, please do the change! Thanks! -- ___ Python tracker ___ ___ Python-bugs-list mailing list U

[issue38658] Python Program crashes when running in fore and back ground

New submission from ThePokestarFan : I have a Python process that should not die that is multiprocessed. I have a queue process that feeds the queue every so often, but my program should use up queue items faster than the queue adds them. I have four worker threads that make requests to an AP

[issue38652] Remove/update provisional note for asyncio.BufferedProtocol

Kyle Stanley added the comment: > I'm a newcomer, would it be ok for me to take on this propsal? It will need approval from Yury and/or Andrew before it can be merged, but I think this is relatively uncontroversial. You can definitely work on it though. -- __

[issue38657] String format for hexadecimal notation breaks padding with alternative form

New submission from Pete Wicken : When formatting an integer as a hexadecimal value, the '#' alternate form modifier inserts a preceding '0x'. If this is used in combination with padding modifiers, the '0x' is counted as part of the overall width, which does not feel like the natural behaviou

[issue38610] use-after-free in list object function

Zackery Spytz added the comment: I have created a patch to fix these crashes. Please consider taking a look. -- nosy: +ZackerySpytz versions: +Python 2.7, Python 3.7, Python 3.9 ___ Python tracker __

[issue38610] use-after-free in list object function

Change by Zackery Spytz : -- keywords: +patch pull_requests: +16539 stage: -> patch review pull_request: https://github.com/python/cpython/pull/17022 ___ Python tracker ___ __

[issue38654] `urllib.request.Request` uses mutable value as default value

Steven D'Aprano added the comment: I agree with Serhiy that using mutable defaults is not automatically a bad idea. This is unnecessary code churn that fixes no bugs and adds no new functionality and doesn't make the code "better". The PR removes one harmless use of a mutable default but add

[issue36084] Threading: add builtin TID attribute to Thread objects

Jake Tesler added the comment: I have encountered a minor bug with this new feature. The bug occurs when creating a new multiprocessing.Process object on Unix (or on any platform where the multiprocessing start_method is 'fork' or 'forkserver'). When creating a new process via fork, the Nati

[issue38656] mimetypes for python 3.7.5 fails to detect matroska video

New submission from toonn : A user reported an error to us which seems to derive from the ``mimetypes`` library failing to guess the mime type for ``.mkv`` matroska video files: https://github.com/ranger/ranger/issues/1744#issuecomment-548514373 This is a regression because the same query succ

[issue38649] tkinter messagebox is sloppy

Brett Cannon added the comment: Please note that calling something "sloppy" and that somehow its development was done in some "carelessness" fashion to the point of being "egregious" is not motivating to others to try and help. Trying to support all of this code for free in one's spare time

[issue38651] Add WolfSSL support

Brett Cannon added the comment: My guess is we won't want to take code specific to WolfSSL due to maintenance overhead of trying to support another SSL library. There has been talk about trying to move away from our OpenSSL dependency and switch to using the OS's native secure sockets librar

[issue35182] Popen.communicate() breaks when child closes its side of pipe but not exits

Change by Andriy Maletsky : -- keywords: +patch pull_requests: +16538 stage: needs patch -> patch review pull_request: https://github.com/python/cpython/pull/17020 ___ Python tracker _

[issue35182] Popen.communicate() breaks when child closes its side of pipe but not exits

Andriy Maletsky added the comment: @josh.r but you’re correct regarding cached data that isn’t sent on subsequent communicate() calls. If the child consumes the input too slowly, and timeout occurs before sending all input, the remaining part will be lost. Maybe it is not a bug, but it’s quit

[issue37645] Replace PyEval_GetFuncName/PyEval_GetFuncDesc

Change by Ronan Lamy : -- nosy: +Ronan.Lamy ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.pyth

[issue36664] argparse: parser aliases in subparsers stores alias in dest variable

Dávid Nemeskey added the comment: I ran into the same problem. I know of the set_defaults() method, in fact, that is what I have always been using. But why was dest added if not to provide a better solution? I agree that changing it would _perhaps_ break some code, so I agree that this issue

[issue37903] IDLE Shell sidebar.

Stephen Paul Chappell added the comment: Maybe my impression has been false this whole time, but the Python interactive interpreter seems to be very similar to the IDLE shell window. My question is, "Why not make them even more so?" Having IDLE react to sys.ps1 and sys.ps2 opens up the shell

[issue37903] IDLE Shell sidebar.

Tal Einat added the comment: Stehpen, I'm not sure what your use-case is... To me it seems that sys.ps1 (and ps2?) aren't quite relevant any more when using a sidebar, since there are no longer inline prompts. Raymond, with the current PR, this replaces the inline prompts. Making it toggle-

[issue38654] `urllib.request.Request` uses mutable value as default value

Serhiy Storchaka added the comment: There is nothing wrong with using {} as default value. -- nosy: +serhiy.storchaka ___ Python tracker ___ __

[issue37903] IDLE Shell sidebar.

Raymond Hettinger added the comment: Will the current interactive shell continue to be available? -- nosy: +rhettinger ___ Python tracker ___ _

[issue6188] Error Evaluating float(x) ** float(y)

Change by Stephen Paul Chappell : -- nosy: -Zero ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail

[issue21957] ASCII Formfeed (FF) & ASCII Vertical Tab (VT) Have Hexadecimal Representation

Change by Stephen Paul Chappell : -- nosy: -Zero ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mai

[issue24185] Add Function for Sending File to Trash (or Recycling Bin)

Change by Stephen Paul Chappell : -- nosy: -Zero ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mai

[issue21402] tkinter.ttk._val_or_dict assumes tkinter._default_root exists

Change by Stephen Paul Chappell : -- nosy: -Zero ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mai

[issue18601] Example "command-line interface to difflib" has typographical error

Change by Stephen Paul Chappell : -- nosy: -Zero ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mai

[issue21537] functools.lru_cache does not cache exceptions

Change by Stephen Paul Chappell : -- nosy: -Zero ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mai

[issue18558] Iterable glossary entry needs clarification

Change by Stephen Paul Chappell : -- nosy: -Zero ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mai

[issue31848] "aifc" module does not always initialize "Aifc_read._ssnd_chunk"

Change by Stephen Paul Chappell : -- nosy: -Zero ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mai

[issue31476] Stdlib source files not installed

Change by Stephen Paul Chappell : -- nosy: -Zero ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mai

[issue7676] IDLE shell shouldn't use TABs

Change by Stephen Paul Chappell : -- nosy: -Zero ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail

[issue35328] Set a environment variable for venv prompt

Change by Vinay Sajip : -- versions: +Python 3.9 -Python 3.8 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue11410] Use GCC visibility attrs in PyAPI_*

Change by Vinay Sajip : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___ ___ P

[issue16575] ctypes: unions as arguments

Change by Vinay Sajip : -- assignee: docs@python -> vinay.sajip resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___

[issue16575] ctypes: unions as arguments

Vinay Sajip added the comment: New changeset 0118d109d54bf75c99a8b0fa9aeae1a478ac4b7e by Vinay Sajip in branch '3.7': [3.7] bpo-16575: Add checks for unions passed by value to functions. (GH-16799) (GH-17017) https://github.com/python/cpython/commit/0118d109d54bf75c99a8b0fa9aeae1a478ac4b7e

[issue38655] ipaddress.ip_network('0.0.0.0/0').is_private == True

New submission from pascalhofmann : ipaddress.ip_network('0.0.0.0/0').is_private returns True, even though 0.0.0.0/0 clearly is no private network. -- components: Library (Lib) messages: 355753 nosy: pascalhofmann priority: normal severity: normal status: open title: ipaddress.ip_netwo

[issue37903] IDLE Shell sidebar.

Stephen Paul Chappell added the comment: The documentation for sys.ps1 and sys.ps2 states that they "are only defined if the interpreter is in interactive mode." Since the IDLE shell is meant to be interactive (and to reduce the differences between the shell and running Python directly), wou

[issue16575] ctypes: unions as arguments

Vinay Sajip added the comment: New changeset 952899704800a5aa438e84d50f0b6fc498c72e89 by Vinay Sajip in branch '3.8': [3.8] bpo-16575: Add checks for unions passed by value to functions. (GH-16799) (GH-17016) https://github.com/python/cpython/commit/952899704800a5aa438e84d50f0b6fc498c72e89

[issue38654] `urllib.request.Request` uses mutable value as default value

New submission from Efanzh : The `headers` argument of the `__init__` method of `urllib.request.Request` class uses `{}` as default value, which is mutable. It is not a good idea. -- components: Library (Lib) messages: 355750 nosy: EFanZh priority: normal pull_requests: 16537 severity:

[issue16575] ctypes: unions as arguments

Change by Vinay Sajip : -- pull_requests: +16536 pull_request: https://github.com/python/cpython/pull/17017 ___ Python tracker ___ _

[issue16575] ctypes: unions as arguments

Change by Vinay Sajip : -- pull_requests: +16535 pull_request: https://github.com/python/cpython/pull/17016 ___ Python tracker ___ _

[issue9182] document “--” as a way to distinguish option w/ narg='+' from positional argument in argparse

Jackson Riley added the comment: Hi all, I'm a newcomer and wanted to try to make this change, is it still wanted/needed? -- nosy: +jacksonriley ___ Python tracker ___ ___

[issue9338] argparse optionals with nargs='?', '*' or '+' can't be followed by positionals

Jackson Riley added the comment: I'm a newcomer and thought about trying to follow up on this and potentially update existing patches, would this be a good idea? -- nosy: +jacksonriley ___ Python tracker ___

[issue37838] typing.get_type_hints not working with forward-declaration and decorated functions

Netzeband added the comment: Thanks a lot! -- ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.p

[issue38652] Remove/update provisional note for asyncio.BufferedProtocol

Benjamin Edwards added the comment: Hey Kyle, I'm a newcomer, would it be ok for me to take on this propsal? Ben -- nosy: +benedwards14 ___ Python tracker ___ __

[issue38653] pkgutil.extend_path fails with zipped eggs if not at first place

New submission from Hartmut Goebel : I have a test site containing nested namespace packages in zipped and unzipped eggs_ - nspkg3_aaa.egg - unzipped egg, namespaces: nspkg3 - nspkg3_bbb.egg - zipped egg , namespaces: nspkg3, nspkg3.bbb - nspkg3_ccc.egg - unzipped egg, namespaces: nspkg3 When

[issue38629] float is missing __ceil__() and __floor__(), required by numbers.Real

Vedran Čačić added the comment: However, this is an instance of a general problem: whenever we want to strongly type (via dunders) protocols that specialcase builtin types, we will have to choose between three options: * special case them also in typing engine, complicating the typing engine

[issue38600] Change the mark up of NULL

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

[issue38312] curses: add `set_tabsize` and `set_escdelay`

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

[issue38312] curses: add `set_tabsize` and `set_escdelay`

Serhiy Storchaka added the comment: New changeset b32cb97bce472dad337c6b2f071883f6234e21d8 by Serhiy Storchaka (Anthony Sottile) in branch 'master': bpo-38312: Add curses.{get,set}_escdelay and curses.{get,set}_tabsize. (GH-16938) https://github.com/python/cpython/commit/b32cb97bce472dad337c

[issue38586] logging: handlers names are not set when using fileConfig

Change by Vinay Sajip : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed type: -> enhancement ___ Python tracker ___ ___

[issue38586] logging: handlers names are not set when using fileConfig

Vinay Sajip added the comment: New changeset b15100fe7def8580c78ed16f0bb4b72b2ae7af3f by Vinay Sajip (Lucas Cimon) in branch 'master': bpo-38586: setting logging.Handler .name property in fileConfig (GH-16918) https://github.com/python/cpython/commit/b15100fe7def8580c78ed16f0bb4b72b2ae7af3f

[issue16575] ctypes: unions as arguments

Vinay Sajip added the comment: New changeset 79d4ed102a5069c6cebaed2627cb1645637f0429 by Vinay Sajip in branch 'master': bpo-16575: Add checks for unions passed by value to functions. (GH-16799) https://github.com/python/cpython/commit/79d4ed102a5069c6cebaed2627cb1645637f0429 -- __