[issue35053] Enhance tracemalloc to trace properly free lists

STINNER Victor added the comment: A little bit of history. I opened a bug 2 years ago but I closed it (lack of interest): https://github.com/vstinner/pytracemalloc/issues/2 I rewrote tracemalloc between version 0.9 and 1.0. In tracemalloc 0.9, there was an API to track free lists. Here is

[issue32797] Tracebacks from Cython modules no longer work

Petr Viktorin added the comment: New changeset 057f4078b044325dae4af55c4c64b684edaca315 by Petr Viktorin (jdemeyer) in branch 'master': bpo-32797: improve documentation of linecache.getline (GH-9540) https://github.com/python/cpython/commit/057f4078b044325dae4af55c4c64b684edaca315

[issue35053] Enhance tracemalloc to trace properly free lists

STINNER Victor added the comment: > Is performance overhead negligible? Thank you for asking the most important question :-) I ran this microbenchmark: make distclean ./configure --enable-lto make ./python -m venv env env/bin/python -m pip install perf sudo env/bin/python -m perf system

[issue35057] Email header refolding adds additional \r in nested parse trees

New submission from Michael Thies : Email header refolding in email._header_value_parser adds additional carriage return symbols to the end of nested parse trees, when used with an EmailPolicy with linesep='\r\n'. This leads to broken email headers when composing an email with a "To:" or

[issue35053] Enhance tracemalloc to trace properly free lists

STINNER Victor added the comment: Python 3.8 uses many free lists: https://pythondev.readthedocs.io/cpython_impl_optim.html#free-lists Attached dict_wrong_traceback.py shows the bug on the dictionary of an object: $ ./python ~/dict_wrong_traceback.py File

[issue35059] Convert PyObject_INIT() and _Py_NewReference() to inlined functions

Change by STINNER Victor : -- keywords: +patch pull_requests: +9410 stage: -> patch review ___ Python tracker ___ ___

[issue35056] Test leaks of memory not managed by Python allocator

Change by Xiang Zhang : -- nosy: +xiang.zhang ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue35058] Unable to Install Python on Windows

Steve Dower added the comment: That's unfortunate that you can't find the log files. Without them, there's nothing we can do to help. Can you try running the installer again? On the last (error) page there should be a link to the main log file. -- versions: +Python 3.7 -Python 3.8

[issue35059] Convert PyObject_INIT() and _Py_NewReference() to inlined functions

Change by STINNER Victor : -- pull_requests: +9413 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue35059] Convert Py_INCREF() and PyObject_INIT() to inlined functions

Change by STINNER Victor : -- title: Convert PyObject_INIT() and _Py_NewReference() to inlined functions -> Convert Py_INCREF() and PyObject_INIT() to inlined functions ___ Python tracker

[issue35059] Convert Py_INCREF() and PyObject_INIT() to inlined functions

STINNER Victor added the comment: Context: I was unhappy with _Py_NewReference() macro implementation when I had to modify it to fix a bug, bpo-35053. That's why I would like to convert it to a static inline function. -- ___ Python tracker

[issue35053] Enhance tracemalloc to trace properly free lists

STINNER Victor added the comment: While writing PR 10063, I was unhappy with _Py_NewReference() macro, and so I wrote bpo-35059 to convert it to a static inline function. -- ___ Python tracker

[issue35059] Convert PyObject_INIT() and _Py_NewReference() to inlined functions

New submission from STINNER Victor : CPython has been created in 1990. In 1990, it made sense to use C macros. But nowadays, inlined functions can be used instead: "Python versions greater than or equal to 3.6 use C89 with several select C99 features: (...) static inline functions"

[issue35058] Unable to Install Python on Windows

Alex Bach added the comment: Hi, I downloaded through this link. https://www.python.org/ftp/python/3.7.1/python-3.7.1.exe Also, I couldn't find any file related to Python in the Temp Folder but I've still attached the screenshot in case it helps. -- Added file:

[issue35060] subprocess output seems to depend on size of terminal screen

Stéphane Wirtel added the comment: Very strange, I tried with 3.8a and I did not get this issue. Normally we use a pipe for stdin and stdout when we use check_output, so in this case, there is no relation with the size of the terminal. this is just a stream. second point, you explain that

[issue35053] Enhance tracemalloc to trace properly free lists

STINNER Victor added the comment: Even if Python 3.6 and 3.7 are impacted by the bug, I propose to only fix Python 3.8 since the change modifies a _Py_NewReference() function which is critical for performance. -- ___ Python tracker

[issue35047] Better error messages in unittest.mock

Petter S added the comment: (The example above should have been "m.assert_has_calls([mock.call(3)])" but it does not affect my point.) -- ___ Python tracker ___

[issue17305] IDNA2008 encoding is missing

Change by Johannes Frank : -- nosy: +matrixise ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue35058] Unable to Install Python on Windows

Steve Dower added the comment: In your %TEMP% directory there will be some log files starting with "Python". Could you find and attach them to this bug so we can take a look? Also, could you provide the link to the download you used? Thanks --

[issue35059] Convert PyObject_INIT() and _Py_NewReference() to inlined functions

Change by STINNER Victor : -- pull_requests: +9412 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue33899] Tokenize module does not mirror "end-of-input" is newline behavior

Terry J. Reedy added the comment: #33766 was about documenting the C tokenizer change, some years ago, that made end-of-file EOF and end-of-string EOS generate the NEWLINE token required to properly terminate statements. "The end of input also serves as an implicit terminator for the final

[issue35060] subprocess output seems to depend on size of terminal screen

New submission from Edward Pratt : I am looking for a string inside of a process, and it seems that the output of the check_output command depends on the screen size of the terminal I run the code in. Here I ran the code with a normal screen resolution: >>> result =

[issue34895] Mark optional stdlib modules in documentation

Marcus added the comment: My concern is that certain missing build-time dependencies do not stop the build but trigger an easy to miss message at the end of the build stage (only). Also the end user doesn't get to see this. At the same time these modules are sort of expected to be part of a

[issue35047] Better error messages in unittest.mock

Petter S added the comment: Sure, consider the following code: from unittest import mock m = mock.Mock() m(1, 3) m("Test", data=[42]) When I call m.assert_not_called() I get the following error message: AssertionError: Expected 'mock' to not have been called. Called 2 times. This is

[issue35058] Unable to Install Python on Windows

New submission from Alex Bach : So I had to learn Python this semester and eventually I followed an online tutorial to install python on Windows 7 (64 bit). But during the installation, I got the error: 0x80070643: Failed to Install MSI Package: What's wrong with the installation? I even

[issue33899] Tokenize module does not mirror "end-of-input" is newline behavior

Change by Dong-hee Na : -- pull_requests: +9411 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue34424] Unicode names break email header

R. David Murray added the comment: Michael, if you could check if Jens patch fixes your problem I would appreciate it. -- nosy: +michael.thies ___ Python tracker ___

[issue33899] Tokenize module does not mirror "end-of-input" is newline behavior

Benjamin Peterson added the comment: New changeset a1f45ec73f0486b187633e7ebc0a4f559d29d7d9 by Benjamin Peterson (Tal Einat) in branch '2.7': bpo-33899: Revert tokenize module adding an implicit final NEWLINE (GH-10072)

[issue23460] Decimals do not obey ':g' exponential notation formatting rules

Change by Sergey Fedoseev : -- nosy: +sir-sigurd ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue35060] subprocess output seems to depend on size of terminal screen

Eryk Sun added the comment: This is due to the ps command itself. You'd have the same problem when piping to grep or redirecting output to a file. I don't know how it determines terminal size. I tried overriding stdin, stdout and stderr to pipes and calling setsid() in the forked child

[issue33015] Fix function cast warning in thread_pthread.h

Gregory P. Smith added the comment: I left comments on the github PRs with reasons why, but PR 6008 seems correct. PR 10057 would leave us with undefined behavior. -- ___ Python tracker

[issue35049] argparse.ArgumentParser fails on arguments with leading dash and comma

Change by paul j3 : -- resolution: -> duplicate stage: -> resolved status: open -> closed ___ Python tracker ___ ___

[issue35049] argparse.ArgumentParser fails on arguments with leading dash and comma

paul j3 added the comment: I think it's the same issue. A dash argument that is not clearly a number is interpreted as an optional's flag. With few exceptions, the parser does not examine the contents of the string It tests the initial character, it tests for space, it tests for numbers

[issue33012] Invalid function cast warnings with gcc 8 for METH_NOARGS

Change by Gregory P. Smith : -- nosy: +gregory.p.smith versions: +Python 3.7 ___ Python tracker ___ ___ Python-bugs-list mailing

[issue33015] Fix function cast warning in thread_pthread.h

Gregory P. Smith added the comment: This is presumably also present in 3.6 and 2.7 so I've tagged those on the issue, but for this kind of change i'd leave it up to release managers to see if they want to backport something of this nature that late in those release cycles. Observable side

[issue35060] subprocess output seems to depend on size of terminal screen

Stéphane Wirtel added the comment: just one question, did you use this command in the REPL? -- ___ Python tracker ___ ___

[issue34424] Unicode names break email header

R. David Murray added the comment: I've requested some small changes on the PR. If Jens doesn't respond in another week or so someone else could pick it up. -- ___ Python tracker

[issue35051] Fix pep8 on Lib/turtledemo module

Change by Brett Cannon : -- resolution: -> wont fix stage: patch review -> resolved status: open -> closed ___ Python tracker ___

[issue35047] Better error messages in unittest.mock

Emmanuel Arias added the comment: I think that is a good change. Maybe you can apply the change on 3.6, 3.7 and 3.8 -- ___ Python tracker ___

[issue35060] subprocess output seems to depend on size of terminal screen

Edward Pratt added the comment: You are correct. It works as expected outside of the REPL. > On Oct 24, 2018, at 4:34 PM, Stéphane Wirtel wrote: > > > Stéphane Wirtel added the comment: > > My script: > > #!/usr/bin/env python > import pathlib > import subprocess > > output =

[issue35057] Email header refolding adds additional \r in nested parse trees

R. David Murray added the comment: Thank you for the report. This is a duplicate of #34424, which has a PR. -- resolution: -> duplicate stage: -> resolved status: open -> closed ___ Python tracker

[issue35060] subprocess output seems to depend on size of terminal screen

Edward Pratt added the comment: I don’t think that is true. I tried grepping for what I need in a very small terminal and still got the correct result. > On Oct 24, 2018, at 1:40 PM, Eryk Sun wrote: > > > Eryk Sun added the comment: > > This is due to the ps command itself. You'd have

[issue35060] subprocess output seems to depend on size of terminal screen

Stéphane Wirtel added the comment: My script: #!/usr/bin/env python import pathlib import subprocess output = subprocess.check_output(['ps', 'aux']) pathlib.Path('/tmp/ps_aux.txt').write_bytes(output) When I execute the following script in the REPL, I get your issue but for me, it's normal

[issue35030] Python 2.7 OrderedDict creates circular references

Change by Raymond Hettinger : -- resolution: -> not a bug stage: patch review -> resolved status: open -> closed ___ Python tracker ___

[issue32285] In `unicodedata`, it should be possible to check a unistr's normal form without necessarily copying it

Change by Maxime Belanger : -- versions: +Python 3.8 -Python 3.7 ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue35030] Python 2.7 OrderedDict creates circular references

STINNER Victor added the comment: rhettinger: "status: open -> closed" I guess that https://github.com/python/cpython/pull/10002 should be closed as well? -- ___ Python tracker

[issue35061] Specify libffi.so soname for ctypes

New submission from Yongkwan Kim : As python 3.7 excludes libffi from it's package, my build on centos6 doesn't work on centos7. Error message is following. ImportError: libffi.so.5: cannot open shared object file: No such file or directory centos7 have libffi.so.6 instead of libffi.so.5 as

[issue33899] Tokenize module does not mirror "end-of-input" is newline behavior

Change by Ned Deily : -- pull_requests: -9411 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue33899] Tokenize module does not mirror "end-of-input" is newline behavior

Change by Ned Deily : -- pull_requests: -9415 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue35062] io.IncrementalNewlineDecoder assign out-of-range value to bitwise struct field

New submission from Xiang Zhang : io.IncrementalNewlineDecoder gets a *translate* bitwise struct field, but it could be assigned arbitrary int value. This leads to inconsistent behaviour, evens are evaluated to False and odds to True. >>>

[issue28015] configure --with-lto builds fail when CC=clang on Linux, requires gold linker

STINNER Victor added the comment: New changeset 5ad36f9b21a3aa3b2265b1b43d73522cc3322df2 by Victor Stinner (serge-sans-paille) in branch 'master': bpo-28015: Support LTO build with clang (GH-9908) https://github.com/python/cpython/commit/5ad36f9b21a3aa3b2265b1b43d73522cc3322df2 --

[issue33015] Fix function cast warning in thread_pthread.h

Benjamin Peterson added the comment: Shall we introduce a new thread-starting API that takes a function with the "correct" pthread signature? It seems like Windows already allocates. -- ___ Python tracker

[issue28015] configure --with-lto builds fail when CC=clang on Linux, requires gold linker

Change by miss-islington : -- pull_requests: +9417, 9418 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue28015] configure --with-lto builds fail when CC=clang on Linux, requires gold linker

Change by miss-islington : -- pull_requests: +9417 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue28015] configure --with-lto builds fail when CC=clang on Linux, requires gold linker

miss-islington added the comment: New changeset 69a3f153a92fd8c86080e8da477ee50df18fc0d1 by Miss Islington (bot) in branch '3.7': bpo-28015: Support LTO build with clang (GH-9908) https://github.com/python/cpython/commit/69a3f153a92fd8c86080e8da477ee50df18fc0d1 -- nosy:

[issue35059] Convert Py_INCREF() and PyObject_INIT() to inlined functions

Benjamin Peterson added the comment: Does this slow down debug builds at all? It probably will not end will if Py_INCREF is ever not inlined. -- nosy: +benjamin.peterson ___ Python tracker

[issue35060] subprocess output seems to depend on size of terminal screen

Change by Stéphane Wirtel : -- status: open -> closed ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue35060] subprocess output seems to depend on size of terminal screen

Stéphane Wirtel added the comment: Here is the doc from ps with man. > man ps If ps cannot determine display width, as when output is redirected (piped) into a file or another command, the output width is undefined (it may be 80, unlimited, determined by the TERM variable, and so on). The

[issue34260] shutil.copy2 is not the same as cp -p

STINNER Victor added the comment: New changeset 4a59c9699ca8688359c460f98127a12e2db6e63b by Victor Stinner (Zsolt Cserna) in branch '2.7': [2.7] bpo-34260, shutil: fix copy2 and copystat documentation (GH-8523) (GH-10071)

[issue34260] shutil.copy2 is not the same as cp -p

STINNER Victor added the comment: Thanks Zsolt Cserna for the report and for the documentation enhancements! The doc is now way better. -- resolution: -> fixed stage: patch review -> resolved status: open -> closed versions: +Python 2.7 ___

[issue34272] Reorganize C API tests

Change by Daniel Pope : -- pull_requests: +9414 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue35039] remove unused vars in Lib/turtledemo module

STINNER Victor added the comment: Thanks శ్రీనివాస్ రెడ్డి తాటిపర్తి for your fix ;-) -- nosy: +vstinner ___ Python tracker ___ ___

[issue35039] remove unused vars in Lib/turtledemo module

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

[issue35030] Python 2.7 OrderedDict creates circular references

Change by STINNER Victor : -- nosy: +eric.snow, vstinner ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue35059] Convert Py_INCREF() and PyObject_INIT() to inlined functions

Change by Aaron Hall : -- nosy: +Aaron Hall ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue35027] distutils.core.setup does not raise TypeError when if classifiers, keywords and platforms fields are not specified as a list

STINNER Victor added the comment: New changeset e80e77a484983ffb527ef22d336ff9500589dce3 by Victor Stinner (TilmanK) in branch 'master': bpo-35027, distutils doc: Correct note on setup.py change in Python 3.7 (GH-10032)

[issue35027] distutils.core.setup does not raise TypeError when if classifiers, keywords and platforms fields are not specified as a list

Change by miss-islington : -- pull_requests: +9416 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue35027] distutils.core.setup does not raise TypeError when if classifiers, keywords and platforms fields are not specified as a list

miss-islington added the comment: New changeset f2679afda06d1eeaf34852e49bbcf4fb39736d19 by Miss Islington (bot) in branch '3.7': bpo-35027, distutils doc: Correct note on setup.py change in Python 3.7 (GH-10032)

[issue34866] CGI DOS vulnerability via long post list

STINNER Victor added the comment: For 3.7 an 3.6 changes, you have to specify the minor Python version (3.7.x and 3.6.x) in which the change has been introduce. Same comment for Python 2.7. -- ___ Python tracker

[issue33899] Tokenize module does not mirror "end-of-input" is newline behavior

Change by Tim Graham : -- pull_requests: +9415 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue14117] Turtledemo: exception and minor glitches.

STINNER Victor added the comment: See also bpo-35039 which removed now useless clock() calls from Lib/turtledemo/penrose.py. -- nosy: +vstinner ___ Python tracker ___

[issue34866] CGI DOS vulnerability via long post list

STINNER Victor added the comment: > https://github.com/python/cpython/commit/209144831b0a19715bda3bd72b14a3e6192d9cc1 This commit adds a new max_num_fields=None parameter to FieldStorage, parse_qs() and parse_qsl(): you must update the documentation in Doc/library/ as well. --

[issue31553] Extend json.tool to handle jsonlines (with a flag)

STINNER Victor added the comment: > The output is not a valid JSON format, and is not a valid JSON Lines format. > What you are going to do with it? It looks useful to me to read a nicely indented JSON in the terminal (without specifying an output file). It's more readable that compact JSON

[issue33012] Invalid function cast warnings with gcc 8 for METH_NOARGS

Michael Airey added the comment: Try this - https://github.com/siddhesh/cpython/tree/func-cast -- nosy: +resmord ___ Python tracker ___

[issue35062] io.IncrementalNewlineDecoder assign out-of-range value to bitwise struct field

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

[issue35058] Unable to Install Python on Windows

Michael Airey added the comment: Did you try to use SubInACL tool by Microsoft? Perhaps, it can fix your issue. Here, I'm adding references for the same i.e. download link & guide (Method #13) to use it: 1. https://www.microsoft.com/en-in/download/details.aspx?id=23510 2.

[issue35050] Off-by-one bug in AF_ALG

Michael Airey added the comment: The error checking code for salg_name and salg_type have an off-by-one bug. Must check that both strings are NUL terminated strings. -- nosy: +resmord ___ Python tracker

[issue33899] Tokenize module does not mirror "end-of-input" is newline behavior

Tal Einat added the comment: See PR GH-10072 for reverting in 2.7. -- ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue33899] Tokenize module does not mirror "end-of-input" is newline behavior

Change by Tal Einat : -- pull_requests: +9406 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue33899] Tokenize module does not mirror "end-of-input" is newline behavior

Gregory P. Smith added the comment: FYI, An example of other fallout from this change - patsy broke and needed this fix: https://github.com/pydata/patsy/commit/4f53bbaf58c0bf1a9bed73fc67c7c6d0aa7f4e20#diff-53c70e68c6dfd4fe9b08427792cb2bd6 -- nosy: +gregory.p.smith

[issue33899] Tokenize module does not mirror "end-of-input" is newline behavior

Change by Tal Einat : -- pull_requests: +9407 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue33899] Tokenize module does not mirror "end-of-input" is newline behavior

Gregory P. Smith added the comment: New changeset dfba1f67e7f1381ceb7cec8fbcfa37337620a9b0 by Gregory P. Smith (Tal Einat) in branch 'master': bpo-33899: Mention tokenize behavior change in What's New (GH-10073)

[issue33899] Tokenize module does not mirror "end-of-input" is newline behavior

Change by Tal Einat : -- pull_requests: +9408 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue33899] Tokenize module does not mirror "end-of-input" is newline behavior

Tal Einat added the comment: See PR GH-10073 adding mention in "What's New". -- ___ Python tracker ___ ___ Python-bugs-list

[issue33899] Tokenize module does not mirror "end-of-input" is newline behavior

Gregory P. Smith added the comment: some pylint fallout appears to be addressed in https://github.com/PyCQA/pylint/commit/2698cbe56b44df7974de1c3374db8700296c6fad -- ___ Python tracker

[issue33899] Tokenize module does not mirror "end-of-input" is newline behavior

Change by Tal Einat : -- pull_requests: +9409 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue33899] Tokenize module does not mirror "end-of-input" is newline behavior

miss-islington added the comment: New changeset b4c9874f5c7f64e1d41cbc588e515b8851bbb90c by Miss Islington (bot) (Tal Einat) in branch '3.7': [3.7] bpo-33899: Mention tokenize behavior change in What's New (GH-10073) (GH-10074)

[issue33899] Tokenize module does not mirror "end-of-input" is newline behavior

miss-islington added the comment: New changeset 9a0476283393f9988d0946491052d7724a7f9d21 by Miss Islington (bot) (Tal Einat) in branch '3.6': [3.6] bpo-33899: Mention tokenize behavior change in What's New (GH-10073) (GH-10075)

[issue33899] Tokenize module does not mirror "end-of-input" is newline behavior

Tal Einat added the comment: Thanks for helping with the fallout from this, Gregory. -- ___ Python tracker ___ ___