[issue46703] boolean operation issue (True == False == False)

Eryk Sun added the comment: > True == False == False is really True == False and False == False > wich is False and True which is False Moreover, since the left-hand comparison is `True == False`, which evaluates to False, the right-hand comparison doesn't even get evaluated. In the follow

[issue46704] Parser API not checking for null-terminator

Pablo Galindo Salgado added the comment: Could you please provide an example input to reproduce this? -- ___ Python tracker ___ ___

[issue46704] Parser API not checking for null-terminator

Pablo Galindo Salgado added the comment: The contract of that interface is to receive null-terminated strings, so I am a bit clueless on how this could receive a non-null terminated string. Notice that calling CompileCode with a non-null terminated string is out of contract. -- ___

[issue46704] Parser API not checking for null-terminator

Change by Pablo Galindo Salgado : -- Removed message: https://bugs.python.org/msg412970 ___ Python tracker ___ ___ Python-bugs-list

[issue46704] Parser API not checking for null-terminator

Pablo Galindo Salgado added the comment: The contract of that interface is to receive null-terminated strings, so I am a bit clueless on how this could receive a non-null terminated string. Notice that calling PyRun_StringFlags with a non-null terminated string is out of contract. -

[issue46707] Parser hanging on stacked { tokens

New submission from anthony shaw : Providing an (invalid) input to the parser causes an exponentially-slow DoS to the Python executable in 3.10. e.g. python3.10 -c "{:" takes ~2 seconds python3.10 -c ":" takes ~22 seconds Tested this all the way

[issue46707] Parser hanging on stacked { tokens

Change by anthony shaw : -- versions: +Python 3.10, Python 3.11 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe

[issue46707] Parser hanging on stacked { tokens

Change by Pablo Galindo Salgado : -- keywords: +patch pull_requests: +29411 stage: -> patch review pull_request: https://github.com/python/cpython/pull/31241 ___ Python tracker __

[issue46643] typing.Annotated cannot wrap typing.ParamSpec args/kwargs

Gregory Beauregard added the comment: I wrote a PR that fixes the underlying issue here, but I'm leaving it as a draft while the discussion plays out. I think the stuff currently in the patch should be okay regardless of the discussion decision, because the underlying issue is that P.args an

[issue46707] Parser hanging on stacked { tokens

Pablo Galindo Salgado added the comment: New changeset b71dc71905ab674ccaa4a56230d17a28f61c325c by Pablo Galindo Salgado in branch 'main': bpo-46707: Avoid potential exponential backtracking in some syntax errors (GH-31241) https://github.com/python/cpython/commit/b71dc71905ab674ccaa4a56230d

[issue46707] Parser hanging on stacked { tokens

Change by Pablo Galindo Salgado : -- pull_requests: +29412 pull_request: https://github.com/python/cpython/pull/31242 ___ Python tracker ___ ___

[issue46705] Memory optimization for set.issubset

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

[issue46705] Memory optimization for set.issubset

Change by Raymond Hettinger : -- versions: -Python 3.10, Python 3.7, Python 3.8, Python 3.9 ___ Python tracker ___ ___ Python-bugs-

[issue46707] Parser hanging on stacked { tokens

Change by Pablo Galindo Salgado : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___ ___

[issue46707] Parser hanging on stacked { tokens

Pablo Galindo Salgado added the comment: New changeset 9b23f8f78fdb0d7eba016616ae7a97abbfc65aa6 by Pablo Galindo Salgado in branch '3.10': [3.10] bpo-46707: Avoid potential exponential backtracking in some syntax errors (GH-31241). (GH-31242) https://github.com/python/cpython/commit/9b23f8f7

[issue46707] Parser hanging on stacked { tokens

Pablo Galindo Salgado added the comment: Thanks Anthony for the report! -- ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue45923] Improve performance of sys.settracing based tools.

Change by Brandt Bucher : -- nosy: +brandtbucher nosy_count: 3.0 -> 4.0 pull_requests: +29413 pull_request: https://github.com/python/cpython/pull/31244 ___ Python tracker ___

[issue46705] Memory optimization for set.issubset

Raymond Hettinger added the comment: We care more about the running speed than the memory usage. Since sets only store pointers to data, they are typically smaller than the data they refer to. I've attached some instrumentation code for running experiments to verify the workload under vario

[issue46705] Memory optimization for set.issubset

Raymond Hettinger added the comment: I've run a few more experiments and this looks like a net win more often than not. Go ahead and submit a PR so we can evaluate it further. -- Added file: https://bugs.python.org/file50614/instrument_issubset.py ___

[issue46705] Memory optimization for set.issubset

Change by Raymond Hettinger : Removed file: https://bugs.python.org/file50613/instrument_issubset.py ___ Python tracker ___ ___ Python-bugs-

[issue46705] Memory optimization for set.issubset

Change by Raymond Hettinger : Removed file: https://bugs.python.org/file50614/instrument_issubset.py ___ Python tracker ___ ___ Python-bugs-

[issue46705] Memory optimization for set.issubset

Change by Raymond Hettinger : Added file: https://bugs.python.org/file50615/instrument_issubset.py ___ Python tracker ___ ___ Python-bugs-li

[issue21910] [doc] File protocol should document if writelines must handle generators sensibly

Change by Stanley : -- keywords: +patch pull_requests: +29414 stage: needs patch -> patch review pull_request: https://github.com/python/cpython/pull/31245 ___ Python tracker _

[issue45393] help() on operator precedence has confusing entries "await" "x" and "not" "x"

Change by Zackery Spytz : -- keywords: +patch nosy: +ZackerySpytz nosy_count: 5.0 -> 6.0 pull_requests: +29415 stage: -> patch review pull_request: https://github.com/python/cpython/pull/31246 ___ Python tracker

[issue45393] help() on operator precedence has confusing entries "await" "x" and "not" "x"

Zackery Spytz added the comment: I have created a patch for this issue. -- ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue42238] Deprecate suspicious.py?

Julien Palard added the comment: New changeset b878b3af0b3a9e3ab3ffcaf90a4066dfb3bb7cac by Julien Palard in branch 'main': bpo-42238: [doc] moving from rstlint.py to sphinx-lint. (GH-31097) https://github.com/python/cpython/commit/b878b3af0b3a9e3ab3ffcaf90a4066dfb3bb7cac -- ___

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