[issue46110] `eval("-"*3000000 + "4")` in cmd causes hard crash

Dennis Sweeney added the comment: This is the top of the stacktrace I got on Windows in Visual Studio: ucrtbased.dll!7ff9096d8ea8()Unknown ucrtbased.dll!7ff9096d727c()Unknown ucrtbased.dll!7ff9096d6f69()Unknown ucrtbased.dll

[issue45978] deepfreeze opaquely fails on Windows when building from Visual Studio

Dennis Sweeney added the comment: This was fixed by https://github.com/python/cpython/pull/30143 -- resolution: -> fixed stage: -> resolved status: open -> closed ___ Python tracker <https://bugs.python.or

[issue45609] Specialize STORE_SUBSCR

Change by Dennis Sweeney : -- pull_requests: +28414 pull_request: https://github.com/python/cpython/pull/30193 ___ Python tracker <https://bugs.python.org/issue45

[issue46148] Optimize pathlib

Dennis Sweeney added the comment: I have https://github.com/python/cpython/pull/27828 open already to add vectorcall to itemgetter and attrgetter -- nosy: +Dennis Sweeney ___ Python tracker <https://bugs.python.org/issue46

[issue46161] `class A(1, 2, 3, **d): pass` gives bad bytecode

Dennis Sweeney added the comment: Bisected to here: 13bc13960cc83dbd1cb5701d9a59ac9b9144b205 is the first bad commit commit 13bc13960cc83dbd1cb5701d9a59ac9b9144b205 Author: Mark Shannon Date: Thu Jan 23 09:25:17 2020 + bpo-39320: Handle unpacking of *values in compiler (GH-17984

[issue46161] `class A(1, 2, 3, **d): pass` gives bad bytecode

Dennis Sweeney added the comment: I was trying to figure out how code like this could ever *not* raise an exception, and here is one case that runs to completion on 3.6--3.8, but it raises `TypeError: 'str' object is not callable` on 3.9--3.11. class I(int): def __in

[issue46177] can't install launcher for all users

Dennis Sweeney added the comment: Try right-clicking the installer and choosing "run as administrator". Then hopefully that checkbox should be available. It's not enough to be logged in as an admin, you also have to run this particular program with admin permissions.

[issue46190] Omit k in random.sample()

Dennis Sweeney added the comment: Can you describe more about your use-case for this? You can already do something like this now with something like the following: def random_subset(sequence): source = random.randbytes(len(sequence)) return [x for x, r in zip(sequence

[issue46190] Omit k in random.sample()

Dennis Sweeney added the comment: For completeness: def random_subset_with_counts(sequence, counts): result = [] for x, k in zip(sequence, counts): result.extend([x] * random.getrandbits(k).bit_count()) return result

[issue45508] Specialize INPLACE_ADD

Change by Dennis Sweeney : -- resolution: -> out of date stage: patch review -> resolved status: open -> closed ___ Python tracker <https://bugs.python.or

[issue41850] inspect.py: access block stack

Dennis Sweeney added the comment: With the advent of zero-cost exception handling in Python 3.10, there is no block stack, neither for exceptions nor for loops. These were always regarded as an implementation detail of the compiler. If you have any new ideas for a feature like this, I would

[issue46192] Optimize builtin functions min() and max()

Dennis Sweeney added the comment: Kind of like what's mentioned at https://github.com/faster-cpython/ideas/discussions/131 , it may be interesting to explore implementing min()/max() in Pure python, considering recent specializations to COMPARE_OP, and potential future specializatio

[issue46224] doc: Fix bisect example using mutable function default

Dennis Sweeney added the comment: Another option would be to use globals: >>> BREAKPOINTS = [60, 70, 80, 90] >>> GRADES = "FDCBA" >>> def grade(score): ... i = bisect(BREAKPOINTS, score) ... return GRADES[i] ... >>> [grade(score) for sc

[issue46224] doc: Fix bisect example using mutable function default

Change by Dennis Sweeney : -- nosy: +rhettinger ___ Python tracker <https://bugs.python.org/issue46224> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue46235] Do all ref-counting at once for sequence multiplication

New submission from Dennis Sweeney : Some benchmarks for this change are below. The case with the largest speedup, `[None] * 1`, is the case that I would consider the most important: initializing counters of the form `[0] * N` is very common in my experience. The following were taken

[issue46235] Do all ref-counting at once for sequence multiplication

Change by Dennis Sweeney : -- keywords: +patch pull_requests: +28558 stage: -> patch review pull_request: https://github.com/python/cpython/pull/30346 ___ Python tracker <https://bugs.python.org/issu

[issue46235] Do all ref-counting at once for sequence multiplication

Dennis Sweeney added the comment: # benchmarking script from pyperf import Runner runner = Runner() for n in [2, 10, 100, 10_000]: for A in [ '[None]', '["Python", "Perl"]', 'list(range(10))', 'list(ra

[issue46148] Optimize pathlib

Change by Dennis Sweeney : -- pull_requests: +28560 pull_request: https://github.com/python/cpython/pull/27828 ___ Python tracker <https://bugs.python.org/issue46

[issue42202] Optimize function annotation

Dennis Sweeney added the comment: I believe this change accidentally affected the API of PyFunction_GetAnnotations: previously it would only return dict or NULL, now it can also return a tuple. See bpo-46236 -- nosy: +Dennis Sweeney ___ Python

[issue46236] PyFunction_GetAnnotations returning Tuple vs Dict

Change by Dennis Sweeney : -- nosy: +methane ___ Python tracker <https://bugs.python.org/issue46236> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue46235] Do all ref-counting at once for sequence multiplication

Dennis Sweeney added the comment: Hm... the effects are completely different on GCC. This is with --enable-optimizations and GCC on WSL: Slower (29): - tuple(range(100)) * 10: 1.22 us +- 0.02 us -> 2.29 us +- 0.05 us: 1.87x slower - tuple(range(100)) * 2: 345 ns +- 7 ns -> 629 ns +

[issue46235] Do all ref-counting at once for sequence multiplication

Dennis Sweeney added the comment: Benchmarks are definitively better with the most recent change (in which the major data-copying loop is between parts of the same buffer): -- MSVC Slower (3): - (None,) * 2: 54.0 ns +- 0.7 ns -> 63.4 ns +- 2.5 ns: 1.17x slo

[issue46236] PyFunction_GetAnnotations returning Tuple vs Dict

Dennis Sweeney added the comment: Pablo, should this be a release blocker? -- nosy: +Dennis Sweeney, pablogsal ___ Python tracker <https://bugs.python.org/issue46

[issue46256] Objects __del__ called after module have been removed

Dennis Sweeney added the comment: I'm getting this: Traceback (most recent call last): File "/mnt/c/Users/sween/Source/Repos/cpython2/cpython/delbug.py", line 65, in conn = psycopg.connect('dbname=cuny_curriculum') File "/home/sween/.local/lib/py

[issue46304] Unable to iterate over lines in a file without a block of code

Dennis Sweeney added the comment: I think this might require something like PEP 533 in order to be safe. -- nosy: +Dennis Sweeney ___ Python tracker <https://bugs.python.org/issue46

[issue46321] Don't need delineators on lists

Dennis Sweeney added the comment: What you typed is already valid syntax, it's just that `a, b, c` makes a tuple, not a list. Changing that now would be backwards-incompatible. Is this a request for some kind of tweak to some documentation, or is this a request for a different beh

[issue46328] add sys.exception()

Dennis Sweeney added the comment: Would there be any value in spelling this as sys.active_exception() or sys.current_exception() or sys.get_exception() or sys.exception_in_flight() or similar? My only worry is confusion between sys.exception() versus builtins.Exception. -- nosy

[issue46352] Spam

Change by Dennis Sweeney : -- components: -Installation nosy: -jacobmartin717 resolution: -> not a bug stage: -> resolved status: open -> closed title: Steps To Do Arlo Setup -> Spam type: security -> versions: -Python 3.8 ___

[issue46385] Remove parenthetical symbols for readability and nlp

Dennis Sweeney added the comment: "Removing tuples" would be highly backwards-incompatible, as millions of programs rely on tuples, and we can't break them for no reason. > Lists have everything tuples have and more. Not true: tuples are hashable, so they can be used as

[issue46393] Generate frozenset constants when explicitly appropriate

Dennis Sweeney added the comment: There's also the hacky expression {*()} to get an empty set -- nosy: +Dennis Sweeney ___ Python tracker <https://bugs.python.org/is

[issue46404] 3.11a4: a small attrs regression

Dennis Sweeney added the comment: bisected to here: 631f9938b1604d4f893417ec339b9e0fa9196fb1 is the first new commit commit 631f9938b1604d4f893417ec339b9e0fa9196fb1 Author: Eric Snow Date: Mon Jun 7 16:52:00 2021 -0600 bpo-43693: Add the MAKE_CELL opcode and interleave fast locals

[issue46407] optimizing `1 << n` or `2 ** n` and modulo-only operations

Dennis Sweeney added the comment: Another option to consider would be a table lookup of a pre-computed table of [1 << i for i in range(64)]. -- nosy: +Dennis Sweeney ___ Python tracker <https://bugs.python.org/i

[issue46420] Use NOTRACE_DISPATCH in specialized opcodes

Change by Dennis Sweeney : -- components: Interpreter Core nosy: Dennis Sweeney priority: normal severity: normal status: open title: Use NOTRACE_DISPATCH in specialized opcodes type: performance versions: Python 3.11 ___ Python tracker <ht

[issue46420] Use NOTRACE_DISPATCH in specialized opcodes

Change by Dennis Sweeney : -- keywords: +patch pull_requests: +28853 stage: -> patch review pull_request: https://github.com/python/cpython/pull/30652 ___ Python tracker <https://bugs.python.org/issu

[issue46428] Cython Build: '_PyErr_StackItem’ has no member named ‘exc_traceback’

Change by Dennis Sweeney : -- title: 3.11.0a3 vs 3.11.0a4 -> Cython Build: '_PyErr_StackItem’ has no member named ‘exc_traceback’ ___ Python tracker <https://bugs.python.org

[issue46450] namedtuple leaks data between instances when field's default value is empty list

Dennis Sweeney added the comment: This seems to be the standard confusion people have with mutable defaults, just with namedtuple defaults rather than function defaults. Similar behavior elsewhere in Python: >>> def f(x, y=[]): ... y.append(x) ... print(y) ... ... &g

[issue46071] Graphlib documentation (edge direction)

Dennis Sweeney added the comment: > It's not obvious if the "predecessor" should be the start or the end point of > the edge https://en.wikipedia.org/wiki/Directed_graph#Basic_terminology : """If a path leads from x to y, then y is said to be a successor

[issue46071] Graphlib documentation (edge direction)

Dennis Sweeney added the comment: I think I can summarize: Tim + Current Docs: * static_order to return [A, B] * Conceptual/abstract directed graph direction is A --> B * A is a predecessor of B * predecessor mapping to be passed is {B: [A]} David suggests: * static_order returns [A

[issue46509] Type-specialized Py_DECREF

New submission from Dennis Sweeney : GCC --enable-optimizations --with-lto on WSL: Slower (7): - json_dumps: 12.8 ms +- 0.2 ms -> 13.1 ms +- 0.3 ms: 1.02x slower - meteor_contest: 106 ms +- 2 ms -> 109 ms +- 3 ms: 1.02x slower - telco: 6.50 ms +- 0.17 ms -> 6.58 ms +- 0.18 ms: 1.0

[issue46509] Type-specialized Py_DECREF

Change by Dennis Sweeney : -- keywords: +patch pull_requests: +29052 stage: -> patch review pull_request: https://github.com/python/cpython/pull/30872 ___ Python tracker <https://bugs.python.org/issu

[issue46509] Type-specialized Py_DECREF

Dennis Sweeney added the comment: This attempts to avoid the dispatch dance of Py_DECREF(op) :: Py_TYPE(op)->tp_dealloc(op) :: Py_TYPE(op)->tp_free((PyObject *)op); I suspect this earns the most speedup from floats, where freelist manipulation can be inlined. This might make a single

[issue46420] Use NOTRACE_DISPATCH in specialized opcodes

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

[issue46549] Error in list comprehension conditionals when used in class attributes

Dennis Sweeney added the comment: I believe this is a duplicate of bpo-45899 -- nosy: +Dennis Sweeney ___ Python tracker <https://bugs.python.org/issue46

[issue46549] Error in list comprehension conditionals when used in class attributes

Dennis Sweeney added the comment: See also https://stackoverflow.com/questions/13905741/accessing-class-variables-from-a-list-comprehension-in-the-class-definition -- resolution: -> not a bug stage: -> resolved status: open -> closed _

[issue46558] Quadratic time internal base conversions

Dennis Sweeney added the comment: Is this similar to https://bugs.python.org/issue3451 ? -- nosy: +Dennis Sweeney ___ Python tracker <https://bugs.python.org/issue46

[issue46561] Descriptor resolution should own arguments passed to descriptors

Dennis Sweeney added the comment: Why? Callee-borrowing-from-caller is the established norm across the C API. You mention use-after-free, but can you elaborate on how that can happen in practice? https://docs.python.org/3/extending/extending.html?highlight=borrowed#ownership-rules says

[issue46528] Simplify the VM's stack manipulations

Dennis Sweeney added the comment: Minor nit: I think swaptimize() should check the for PyMem_Malloc returning NULL here. // Create an array with elements {0, 1, 2, ..., depth - 1}: int *stack = PyMem_Malloc(depth * sizeof(int)); for (int i = 0; i < depth; i++) { stac

[issue46561] Descriptor resolution should own arguments passed to descriptors

Dennis Sweeney added the comment: Hi Max, My apologies -- my first message was probably too dismissive. Is there any way to make the existing code crash with pure Python, and can we then add such a test case? If not with pure Python, then perhaps with some minimal reproducible example

[issue45885] Specialize COMPARE_OP

Change by Dennis Sweeney : -- pull_requests: +29223 pull_request: https://github.com/python/cpython/pull/31040 ___ Python tracker <https://bugs.python.org/issue45

[issue46615] Segfault in set intersection (&) and difference (-)

New submission from Dennis Sweeney : Maybe related to https://bugs.python.org/issue8420 Somewhat obscure, but using only standard Python, and no frame- or gc-hacks, it looks like we can get a use-after-free: from random import random BADNESS = 0.0 class Bad: def __eq__(self, other

[issue46615] Segfault in set intersection (&) and difference (-)

Dennis Sweeney added the comment: replacing `return True` with `return random() < 0.5` makes *all* of the operations crash, except for `|` and `|=`. -- ___ Python tracker <https://bugs.python.org/issu

[issue46615] Use-after-free by mutating set during set operations

Change by Dennis Sweeney : -- title: Segfault in set intersection (&) and difference (-) -> Use-after-free by mutating set during set operations ___ Python tracker <https://bugs.python.org/

[issue46615] Use-after-free by mutating set during set operations

Dennis Sweeney added the comment: set1.isdisjoint(set2) also crashes -- ___ Python tracker <https://bugs.python.org/issue46615> ___ ___ Python-bugs-list mailin

[issue46615] Use-after-free by mutating set during set operations

Dennis Sweeney added the comment: It looks like usages of the PyDict_Next API assume the resulting references are borrowed and so INCREF them. Usages of set_next do not, but should. It should hopefully be a straightforward fix of adding INCREF/DECREFs

[issue46615] Use-after-free by mutating set during set operations

Change by Dennis Sweeney : -- keywords: +patch pull_requests: +29301 stage: -> patch review pull_request: https://github.com/python/cpython/pull/31120 ___ Python tracker <https://bugs.python.org/issu

[issue46652] Use code.co_qualname to provide richer information

Dennis Sweeney added the comment: Similar changes at bpo-40679 accidentally broke Cython when it was assumed that co_qualname was non-null, which was then fixed by defaulting to co_name in that case. I don't know if Cython still produces cases like that, but we should make sure n

[issue46680] file calls itself

Dennis Sweeney added the comment: https://stackoverflow.com/ or https://discuss.python.org/c/users/ are better places for this question. -- nosy: +Dennis Sweeney resolution: -> not a bug stage: -> resolved status: open -> closed _

[issue46705] Memory optimization for set.issubset

Change by Dennis Sweeney : -- nosy: +rhettinger, serhiy.storchaka ___ Python tracker <https://bugs.python.org/issue46705> ___ ___ Python-bugs-list mailin

[issue46706] AxelRacer

New submission from Dennis Sweeney : I'm closing this -- if you found a bug in Python, please be sure to describe thoroughly what bug you found, steps to reproduce the bug, and what behavior you expected. -- nosy: +Dennis Sweeney resolution: -> not a bug stage: -> reso

[issue44953] Add vectorcall on operator.itemgetter and attrgetter objects

Dennis Sweeney added the comment: New changeset 0a145069e807fdafd1fa0315b9bc22da363d2d39 by Dennis Sweeney in branch 'main': bpo-44953: Add vectorcall for itemgetter and attrgetter instances (GH-27828) https://github.com/python/cpython/commit/0a145069e807fdafd1fa0315b9bc22

[issue44953] Add vectorcall on operator.itemgetter and attrgetter objects

Change by Dennis Sweeney : -- pull_requests: +29431 pull_request: https://github.com/python/cpython/pull/31265 ___ Python tracker <https://bugs.python.org/issue44

[issue44953] Add vectorcall on operator.itemgetter and attrgetter objects

Dennis Sweeney added the comment: New changeset 035414a878a772d1d293cdecdc4470bcce5e5d7a by Dennis Sweeney in branch 'main': bpo-44953: Add newline at end of NEWS entry (GH-31265) https://github.com/python/cpython/commit/035414a878a772d1d293cdecdc4470

[issue46717] Raising exception multiple times leaks memory

Dennis Sweeney added the comment: I reproduced as far back as Python 3.6 with this: --- import gc exc = Exception() deltas = [] for i in range(2, 15): ref1 = len(gc.get_objects()) for j in range(2**i): try: raise exc except

[issue44953] Add vectorcall on operator.itemgetter and attrgetter objects

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

[issue46615] Use-after-free by mutating set during set operations

Dennis Sweeney added the comment: New changeset 4a66615ba736f84eadf9456bfd5d32a94cccf117 by Dennis Sweeney in branch 'main': bpo-46615: Don't crash when set operations mutate the sets (GH-31120) https://github.com/python/cpython/commit/4a66615ba736f84eadf9456bf

[issue46730] Please consider mentioning property without setter when an attribute can't be set

Dennis Sweeney added the comment: Go ahead and open a PR -- it makes it easier to discuss particular changes. Regarding backwards-compatibility, error messages improvements are fair game for Python 3.11, we just shouldn't backport them to earlier versions. We can also consider includin

[issue46615] Use-after-free by mutating set during set operations

Change by Dennis Sweeney : -- pull_requests: +29473 pull_request: https://github.com/python/cpython/pull/31312 ___ Python tracker <https://bugs.python.org/issue46

[issue34890] Support functools.partial in inspect.is*function() checks

Dennis Sweeney added the comment: See https://bugs.python.org/issue46722 for a concern about this change. -- nosy: +Dennis Sweeney ___ Python tracker <https://bugs.python.org/issue34

[issue46747] bisect.bisect/insort don't document key parameter

Dennis Sweeney added the comment: New changeset 96084f4256d2d523b0a4d7d900322b032326e3ed by Zackery Spytz in branch 'main': bpo-46747: Add missing key parameters in the bisect docs (GH-31323) https://github.com/python/cpython/commit/96084f4256d2d523b0a4d7d900322b032326e3ed -

[issue46747] bisect.bisect/insort don't document key parameter

Change by Dennis Sweeney : -- pull_requests: +29485 pull_request: https://github.com/python/cpython/pull/31329 ___ Python tracker <https://bugs.python.org/issue46

[issue46747] bisect.bisect/insort don't document key parameter

Dennis Sweeney added the comment: New changeset 841c77d802e9ee8845fa3152700474021efe03fd by Dennis Sweeney in branch '3.10': [3.10] bpo-46747: Add missing key parameters in the bisect docs (GH-31323) (GH-31329) https://github.com/python/cpyt

[issue46747] bisect.bisect/insort don't document key parameter

Dennis Sweeney added the comment: Thanks for the report, Stefan! Thanks for the PR, Zackery! -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker <https://bugs.python.or

[issue46739] dataclasses __eq__ isn't logical

Change by Dennis Sweeney : -- resolution: -> not a bug stage: -> resolved status: open -> closed ___ Python tracker <https://bugs.python.or

[issue46730] Please consider mentioning property without setter when an attribute can't be set

[issue46730] Please consider mentioning property without setter when an attribute can't be set

Dennis Sweeney added the comment: Thanks for the PR! -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker <https://bugs.python.or

[issue46730] Please consider mentioning property without setter when an attribute can't be set

Dennis Sweeney added the comment: New changeset 9e06d03672547041239812efe4901c06da6cbd2f by Christian Heimes in branch 'main': bpo-46730: Fix refleak and tighten NULL checks (GH-31389) https://github.com/python/cpython/commit/9e06d03672547041239812efe4901c

[issue46615] Use-after-free by mutating set during set operations

Dennis Sweeney added the comment: It does look like there are some pickle situations that crash. Attached is a randomized crasher. I haven't done too much careful reasoning about it, but adding INCREFs everywhere seems to fix most of the issues. -- Added file:

[issue46730] Please consider mentioning property without setter when an attribute can't be set

Change by Dennis Sweeney : -- pull_requests: +29562 pull_request: https://github.com/python/cpython/pull/31427 ___ Python tracker <https://bugs.python.org/issue46

[issue46802] Wrong result unpacking binary data with ctypes bitfield.

Dennis Sweeney added the comment: Possible duplicate of https://bugs.python.org/issue29753 -- nosy: +Dennis Sweeney ___ Python tracker <https://bugs.python.org/issue46

[issue46823] Add LOAD_FAST__LOAD_ATTR_INSTACE_VALUE combined opcode

New submission from Dennis Sweeney : See https://github.com/faster-cpython/ideas/discussions/291 -- messages: 413692 nosy: Dennis Sweeney priority: normal severity: normal status: open title: Add LOAD_FAST__LOAD_ATTR_INSTACE_VALUE combined opcode

[issue46823] Add LOAD_FAST__LOAD_ATTR_INSTACE_VALUE combined opcode

Change by Dennis Sweeney : -- keywords: +patch pull_requests: +29617 stage: -> patch review pull_request: https://github.com/python/cpython/pull/31484 ___ Python tracker <https://bugs.python.org/issu

[issue46848] Use optimized string search function in mmap.find()

Change by Dennis Sweeney : -- nosy: +Dennis Sweeney nosy_count: 2.0 -> 3.0 pull_requests: +29749 pull_request: https://github.com/python/cpython/pull/31625 ___ Python tracker <https://bugs.python.org/issu

[issue46848] Use optimized string search function in mmap.find()

Dennis Sweeney added the comment: PR 31625 is an alternative proposal. It uses the Crochemore and Perrin's Two-Way algorithm that @benrg references (see Objects/stringlib/fastsearch.h and Objects/stringlib/stringlib_find_two_way_notes.txt), and is platform-indepe

[issue46891] Crash in ModuleType subclass with __slots__

Dennis Sweeney added the comment: Bisected to here: c3f52b4d707a78eb342372a2be00f3eb846a05b9 is the first bad commit commit c3f52b4d707a78eb342372a2be00f3eb846a05b9 Author: Mark Shannon Date: Wed Jun 23 10:00:43 2021 +0100 bpo-44486: Make sure that modules always have a dictionary

[issue46891] Crash in ModuleType subclass with __slots__

Change by Dennis Sweeney : -- nosy: +Mark.Shannon ___ Python tracker <https://bugs.python.org/issue46891> ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue46848] Use optimized string search function in mmap.find()

Dennis Sweeney added the comment: New changeset 6ddb09f35b922a3bbb59e408a3ca7636a6938468 by Dennis Sweeney in branch 'main': bpo-46848: Use stringlib/fastsearch in mmap (GH-31625) https://github.com/python/cpython/commit/6ddb09f35b922a3bbb59e408a3ca76

[issue46848] Use optimized string search function in mmap.find()

Dennis Sweeney added the comment: Thanks for the report! -- resolution: -> fixed stage: patch review -> resolved status: open -> closed type: -> performance ___ Python tracker <https://bugs.python

[issue46903] Crash when setting attribute with string subclass as the name (--with-pydebug)

Dennis Sweeney added the comment: a8b9350964f43cb648c98c179c8037fbf3ff8a7d is the first bad commit commit a8b9350964f43cb648c98c179c8037fbf3ff8a7d Author: Mark Shannon Date: Wed Oct 13 14:19:34 2021 +0100 bpo-45340: Don't create object dictionaries unless actually needed (GH-

[issue46823] Add LOAD_FAST__LOAD_ATTR_INSTANCE_VALUE combined opcode

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

[issue46935] import of submodule polutes global namespace

Dennis Sweeney added the comment: This might be something that rapidfuzz can fix, rather than CPython. In whatever import process rapidfuzz uses, it populates sys.modules with a module named `Levenshtein` in addition to 'rapidfuzz.distance.Levenshtein'. You might be able to re

[issue46941] Bug or plug not removed (The operator "is")

Dennis Sweeney added the comment: In the future, please copy and paste the relevant code and errors as text. Images of code are harder for screen-readers for the visually impaired, harder to copy-and-paste to verify, and are more likely to be perceived as spam. Your code is essentially this

[issue46903] Crash when setting attribute with string subclass as the name (--with-pydebug)

Change by Dennis Sweeney : -- pull_requests: +29833 pull_request: https://github.com/python/cpython/pull/31718 ___ Python tracker <https://bugs.python.org/issue46

[issue45806] Cannot Recover From StackOverflow in 3.9 Tests

Dennis Sweeney added the comment: Should this be backported to make the 3.8 Buildbots happy? -- ___ Python tracker <https://bugs.python.org/issue45806> ___ ___

[issue46952] pip progress bar display bug

Dennis Sweeney added the comment: pip is maintained externally at https://github.com/pypa/pip , so that is likely a better place to open an issue about pip. -- nosy: +Dennis Sweeney ___ Python tracker <https://bugs.python.org/issue46

[issue46952] pip progress bar display bug

Change by Dennis Sweeney : -- resolution: -> third party stage: -> resolved status: open -> closed ___ Python tracker <https://bugs.python.or

[issue39829] __len__ called twice in the list() constructor

Dennis Sweeney added the comment: Related to Matt's idea is https://bugs.python.org/issue43574 -- nosy: +Dennis Sweeney ___ Python tracker <https://bugs.python.org/is

[issue46896] add support for watching writes to selected dictionaries

Dennis Sweeney added the comment: A curiosity: have you considered watching dict keys rather than whole dicts? That way, changing global values would not have to de-optimize, only adding new global keys would. Indexing into dict values array wouldn't be as efficient as embedding d

[issue46979] Spam

Change by Dennis Sweeney : -- components: -Build resolution: -> not a bug stage: -> resolved status: open -> closed title: Master piece -> Spam type: security -> ___ Python tracker <https://bugs.pyt

[issue46961] Caching/interning of small ints sometimes fails

Dennis Sweeney added the comment: I believe the issue is the usage of the x_divrem function. x_divrem always returns fresh ints, never cached small ints. This behavior is relied upon in the long_true_divide function, as it mutates the returned quotient at the line """x->

[issue46961] Caching/interning of small ints sometimes fails

Change by Dennis Sweeney : -- keywords: +patch pull_requests: +29942 stage: -> patch review pull_request: https://github.com/python/cpython/pull/31843 ___ Python tracker <https://bugs.python.org/issu

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