[issue26200] SETREF adds unnecessary work in some cases

Raymond Hettinger added the comment: > And I had no one voice for separate macros (except my). Sorry I wasn't in the conversation to back you up. > I tried to not replace a Py_DECREF with a Py_SETREF > in performance critical code (e.g. in PyDict_SetItem). If you don't mind, I would like to

[issue21955] ceval.c: implement fast path for integers with a single digit

Yury Selivanov added the comment: > I ran the mpmath test suite with Python 3.6 and with the fastint6 patch. The > overall increase when using Python long type was about 1%. When using gmpy2's > mpz type, there was a slowdown of about 2%. > I will run more tests tonight. Please try to test

[issue25776] More compact pickle of iterators etc

Serhiy Storchaka added the comment: Updated patch conforms to new tests and to following rule: exhausted iterators of mutable sequences can be replaced with iter(()), non-exhausted iterators can't. -- Added file: http://bugs.python.org/file41854/iterators_pickle_2.patch

[issue26117] Close directory descriptor in scandir iterator on error

Roundup Robot added the comment: New changeset 8ec721bb3027 by Serhiy Storchaka in branch '3.5': Issue #26117: The os.scandir() iterator now closes file descriptor not only https://hg.python.org/cpython/rev/8ec721bb3027 New changeset ec12fbf449a5 by Serhiy Storchaka in branch 'default': Issue

[issue26304] Fix “allows to ” in documentation

Eric V. Smith added the comment: I agree that the "to xxx" changes look good. And the handful of other corrections look good, too. I left a review comment with one typo I found. -- nosy: +eric.smith ___ Python tracker

[issue25776] More compact pickle of iterators etc

Serhiy Storchaka added the comment: Ah, I already proposed tests in separate issue. Raymond, could you please look at patches? The touch the code maintained by you: itertools and deque. -- ___ Python tracker

[issue25776] More compact pickle of iterators etc

Changes by Serhiy Storchaka : Removed file: http://bugs.python.org/file41853/iterators_pickle_tests.patch ___ Python tracker ___

[issue25995] os.walk() consumes a lot of file descriptors

Changes by Serhiy Storchaka : -- assignee: -> serhiy.storchaka ___ Python tracker ___

[issue26117] Close directory descriptor in scandir iterator on error

Changes by Serhiy Storchaka : -- assignee: -> serhiy.storchaka resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker

[issue21955] ceval.c: implement fast path for integers with a single digit

Case Van Horsen added the comment: mpmath is a library for arbitrary-precision floating-point arithmetic. It uses Python's native long type or gmpy2's mpz type for computations. It is available at https://pypi.python.org/pypi/mpmath. The test suite can be run directly from the source tree.

[issue26309] socketserver.BaseServer._handle_request_noblock() don't shutdwon request if verify_request is False

New submission from Aviv Palivoda: When socketserver.BaseServer.verify_request() return False then we do not call shutdown_request. If we will take the TCPServer as example we will call get_request thus calling socket.accept() and creating a new socket but we will not call shutdown_request to

[issue26039] More flexibility in zipfile interface

Thomas Kluyver added the comment: Thanks Serhiy! I'll keep an eye out for comments on the other patch. -- ___ Python tracker ___

[issue26305] Make Argument Clinic to generate PEP 7 conforming code

Martin Panter added the comment: FWIW I agree with this change. I left one review comment. I presume the important stuff is just in Tools/clinic/clinic.py and the other changes are all generated code. -- nosy: +martin.panter ___ Python tracker

[issue20109] TestProgram is mentioned in the unittest docs but is not documented

Michael Foord added the comment: TestProgram is an abomination, but it has been publicly exposed in unittest since forever. -- ___ Python tracker ___

[issue26305] Make Argument Clinic to generate PEP 7 conforming code

Changes by Serhiy Storchaka : -- components: +Argument Clinic ___ Python tracker ___ ___

[issue25195] mock.ANY doesn't match mock.MagicMock() object

Changes by Andrew Plummer : Removed file: http://bugs.python.org/file41847/test_assert_called_with_any.diff ___ Python tracker ___

[issue25195] mock.ANY doesn't match mock.MagicMock() object

Changes by Andrew Plummer : Added file: http://bugs.python.org/file41848/fix_mock_call_ne.patch ___ Python tracker ___

[issue25195] mock.ANY doesn't match mock.MagicMock() object

Changes by Andrew Plummer : Removed file: http://bugs.python.org/file41844/fix_mock_call_ne.patch ___ Python tracker ___

[issue26304] Fix “allows to ” in documentation

Changes by Serhiy Storchaka : -- nosy: +r.david.murray ___ Python tracker ___ ___

[issue24915] Profile Guided Optimization improvements (better training, llvm support, etc)

Χρήστος Γεωργίου (Christos Georgiou) added the comment: Perhaps I'm missing something obvious here, but… … $(MAKE) build_all_merge_profile @echo "Rebuilding with profile guided optimizations:" $(MAKE) clean $(MAKE) build_all_use_profile … the `$(MAKE) clean` does an `rm

[issue26304] Fix “allows to ” in documentation

Serhiy Storchaka added the comment: I have read the patch, and it LGTM. At least it does exactly what is declared (and fixes some other minor errors). Thank you Martin. -- nosy: +serhiy.storchaka ___ Python tracker

[issue26296] colorys rgb_to_hls algorithm error

Kunal Grover added the comment: This isn't needed. We are taking modulus with 1.0, which already fixes negative values of h. -- nosy: +Kunal Grover ___ Python tracker

[issue26306] Can't create abstract tuple

New submission from Jack Hargreaves: When creating an abstract class, subclassing tuple causes check for instantiation of an abstract class to be bypassed. See the associated stackoverflow question -- http://stackoverflow.com/questions/35267954/mix-in-of-abstract-class-and-namedtuple

[issue26045] Improve error message for http.client when posting unicode string

Changes by Martin Panter : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___

[issue25698] The copy_reg module becomes unexpectedly empty in test_cpickle

Serhiy Storchaka added the comment: Agreed. Here is a patch that makes PyImport_AddModule to use PyDict_GetWithError and fail earlier. I think it should be applied in 3.x too. -- Added file: http://bugs.python.org/file41846/issue25698_fix_add_module.patch

[issue25195] mock.ANY doesn't match mock.MagicMock() object

Andrew Plummer added the comment: Have added a new diff to just use the default __ne__ implementation rather than tuple's. Have also added a test that targets exactly the reported issue. -- Added file: http://bugs.python.org/file41847/test_assert_called_with_any.diff

[issue26305] Make Argument Clinic to generate PEP 7 conforming code

New submission from Serhiy Storchaka: Proposed patch makes Argument Clinic to generate C code with curly braces as strongly preferred by PEP 7. -- components: Demos and Tools files: clinic_pep7_braces.patch keywords: patch messages: 259836 nosy: brett.cannon, larry, serhiy.storchaka

[issue26045] Improve error message for http.client when posting unicode string

Roundup Robot added the comment: New changeset 966bd147ccb5 by Martin Panter in branch '3.5': Issue #26045: Add UTF-8 suggestion to error in http.client https://hg.python.org/cpython/rev/966bd147ccb5 New changeset 9896ead3cc1d by Martin Panter in branch 'default': Issue #26045: Merge

[issue26311] Typo in documentation for xml.parsers.expat

Roundup Robot added the comment: New changeset 1383a260b66d by Martin Panter in branch '3.5': Issues #26310, #26311: Fix typos in the documentation and code comments https://hg.python.org/cpython/rev/1383a260b66d New changeset 8c7a8c7a02b9 by Martin Panter in branch '2.7': Issues #26310,

[issue26200] SETREF adds unnecessary work in some cases

Roundup Robot added the comment: New changeset 3084914245d2 by Raymond Hettinger in branch 'default': Issue #26200: The SETREF macro adds unnecessary work in some cases. https://hg.python.org/cpython/rev/3084914245d2 -- nosy: +python-dev ___ Python

[issue26318] `io.open(fd, ...).name` returns numeric fd instead of None

New submission from Марк Коренберг: `io.open(fd, ...).name` returns numeric fd instead of None. This lead to some nasty bugs. In order to bring consistency and make that predictable, please make `.name` for that case to return None. (and document it) -- components: IO, Library (Lib)

[issue26289] Optimize floor division for ints

Yury Selivanov added the comment: Also, every other operation for longs (except %, for which I created issue #26315) is optimized for single digit longs. This optimization is also important for users of operator.floordiv etc. Even if we decide to provide a fast path in ceval, it's going to

[issue26316] Probable typo in Arg Clinic’s linear_format()

Larry Hastings added the comment: Yeah, change "curl" to "curly". If you commit the fix without a test case I'd forgive you. Or I can do it if that makes you nervous. -- ___ Python tracker

[issue26310] Fix typo “variariables” in socketserver.py

Roundup Robot added the comment: New changeset 1383a260b66d by Martin Panter in branch '3.5': Issues #26310, #26311: Fix typos in the documentation and code comments https://hg.python.org/cpython/rev/1383a260b66d New changeset e2d3c93d8763 by Martin Panter in branch 'default': Issues #26310,

[issue26316] Probable typo in Arg Clinic’s linear_format()

New submission from Martin Panter: The curly bracket separator is assigned to “curl”, but then the previous “curly” variable is tested: https://hg.python.org/cpython/annotate/3.5/Tools/clinic/clinic.py#l202 name, curl, trailing = trailing.partition('}') if not curly or name not in kwargs:

[issue26310] Fix typo “variariables” in socketserver.py

Martin Panter added the comment: Thankyou for the report. I also took the opportunity to switch the words “arbitrary other . . .” around to “other arbitrary . . .”. -- nosy: +martin.panter ___ Python tracker

[issue26311] Typo in documentation for xml.parsers.expat

Martin Panter added the comment: Thanks for the report :) -- nosy: +martin.panter resolution: -> fixed stage: -> resolved status: open -> closed versions: +Python 2.7, Python 3.6 ___ Python tracker

[issue26310] Fix typo “variariables” in socketserver.py

Changes by Martin Panter : -- resolution: -> fixed stage: -> resolved status: open -> closed versions: +Python 2.7, Python 3.5, Python 3.6 ___ Python tracker

[issue25179] PEP 498 f-strings need to be documented

Martin Panter added the comment: Updated with Eric’s suggestions -- Added file: http://bugs.python.org/file41864/f-strings.v2.patch ___ Python tracker

[issue25985] Use sys.version_info instead of sys.version

Martin Panter added the comment: See also Issue 24916 about more related fixes in Lib/sysconfig.py -- nosy: +martin.panter ___ Python tracker ___

[issue24916] In sysconfig, don't rely on sys.version format

Martin Panter added the comment: Issue 25985 also touches the _PY_VERSION_SHORT parts of this. -- dependencies: +Use sys.version_info instead of sys.version nosy: +martin.panter stage: -> patch review ___ Python tracker

[issue26312] Raise SystemError on programmical errors in PyArg_Parse*()

Martin Panter added the comment: Seems like a reasonable change and patch to me. -- nosy: +martin.panter ___ Python tracker ___

[issue25994] File descriptor leaks in os.scandir()

Martin Panter added the comment: I would be in favour of adding a ResourceWarning in 3.6 if the iterator is garbage collected without being exhausted. But as Josh says, it might be overkill emitting a warning when we already know the iterator has been finished and cleaned up. --

[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

New submission from Robert P Fischer: Changes to OS X 10.11 render GCC's Objective-C compiler useless. However, I want to compile the main part of Python in GCC (because my C++ / Fortran Cython modules use GCC). I tried to build Python (via MacPorts) using Clang for Objective-C and GCC for

[issue26311] Typo in documentation for xml.parsers.expat

Raúl Núñez de Arenas added the comment: My pleasure :) -- ___ Python tracker ___ ___ Python-bugs-list mailing

[issue26308] Solaris 10 build issues

New submission from Georg Sauthoff: When building on Solaris 10 I had to patch Modules/_posixsubprocess.c -> dirfd issues Modules/socketmodule.c -> sethostname declaration setup.py -> ncurses detection See the attached patch for details. I built it like this: CC=gcc CXX=g++ LDFLAGS="-m64

[issue25776] More compact pickle of iterators etc

Changes by Serhiy Storchaka : Removed file: http://bugs.python.org/file41207/iterators_pickle.diff ___ Python tracker ___

[issue25911] Regression: os.walk now using os.scandir() breaks bytes filenames on windows

STINNER Victor added the comment: > New changeset 5310f94772f4 by Serhiy Storchaka in branch '3.5': > Issue #25911: Restored support of bytes paths in os.walk() on Windows. > https://hg.python.org/cpython/rev/5310f94772f4 > > New changeset b060af2a58b6 by Serhiy Storchaka in branch 'default': >

[issue25911] Regression: os.walk now using os.scandir() breaks bytes filenames on windows

STINNER Victor added the comment: Bastien: > In py3.4 and below we used to be able to use bytes filenames with os.walk(), > it’s now impossible under windows due to the limitation of os.scandir(). > > This issue was reported to Blender tracker > (https://developer.blender.org/T47018). Again,

[issue25776] More compact pickle of iterators etc

Serhiy Storchaka added the comment: Proposed patch extends tests for pickling iterators of mutable sequences. Now tested iterators in different states: initial (no iterated yet), running (in the middle of iteration), empty (just the last item was emitted) and exhausted (tried to iterate past

[issue26168] Py_BuildValue may leak 'N' arguments on PyTuple_New failure

Serhiy Storchaka added the comment: Following patch is written in the style of current code for tuples. -- Added file: http://bugs.python.org/file41850/pybuildvalue_leak3.patch ___ Python tracker

[issue26117] Close directory descriptor in scandir iterator on error

STINNER Victor added the comment: > Could anyone please make a review? Done. Enjoy :-) -- ___ Python tracker ___

[issue26204] compiler: ignore constants used as statements? (don't emit LOAD_CONST+POP_TOP)

STINNER Victor added the comment: changeset: 100192:4bdb21380743 tag: tip user:Victor Stinner date:Mon Feb 08 18:17:58 2016 +0100 files: Lib/test/test_ast.py Lib/test/test_code.py Lib/test/test_grammar.py Misc/NEWS Python/compile.c

[issue25983] Add tests for multi-argument type()

Serhiy Storchaka added the comment: Thanks for your review Brett. I have landed tests in test_builtins. -- resolution: -> fixed stage: commit review -> resolved status: open -> closed ___ Python tracker

[issue26200] SETREF adds unnecessary work in some cases

Serhiy Storchaka added the comment: Oh, sorry, I didn't considered the deque as essential class. Please do. Py_SETREF here only saved 3 lines of code. -- ___ Python tracker

[issue26311] Typo in documentation for xml.parsers.expat

New submission from Raúl Núñez de Arenas: At https://docs.python.org/3.5/library/pyexpat.html#module-xml.parsers.expat.model the docs say "Content modules are described using nested tuples. It should say "Content models are described using nested tuples." I've checked docs for version 3.6.0a

[issue26309] socketserver.BaseServer._handle_request_noblock() don't shutdwon request if verify_request is False

Aviv Palivoda added the comment: Had a small mistake in the previous patch (did not notice process_request) call shutdown_request. fixed the patch -- Added file: http://bugs.python.org/file41856/socketserver-shutdown-if-verify-false2.patch ___

[issue26204] compiler: ignore constants used as statements (don't emit LOAD_CONST+POP_TOP)

STINNER Victor added the comment: I changed my patch to emit a SyntaxWarning. If too many users complain of the warning, maybe we can remove it. IMHO it's useful to detect bugs. -- resolution: -> fixed status: open -> closed title: compiler: ignore constants used as statements? (don't

[issue26310] Fix typo “variariables” in socketserver.py

New submission from Marien: This patch fixes a typo in socketserver.py -- assignee: docs@python components: Documentation files: fix-typo-variariables.patch keywords: patch messages: 259869 nosy: docs@python, marienfr priority: normal severity: normal status: open title: Fix typo

[issue24915] Profile Guided Optimization improvements (better training, llvm support, etc)

Alecsandru Patrascu added the comment: Hello and thank you for your feedback. For CPython this does not apply because due to the structure of the build system, inside the "build" directory there are no PGO profiles saved. You can run find . -name '*.gc??' to see. --

[issue24915] Profile Guided Optimization improvements (better training, llvm support, etc)

Χρήστος Γεωργίου (Christos Georgiou) added the comment: There are. (Check issue #26307 that explains this cpio file. This is a x32 build of Python, because the memory savings are very welcome for the multiple worker processes of a project I work on.) $ cpio -it <_modules.gcda.cpio

[issue25983] Add tests for multi-argument type()

Roundup Robot added the comment: New changeset f9bd6ddb6ba4 by Serhiy Storchaka in branch '2.7': Issue #25983: Added tests for multi-argument type(). https://hg.python.org/cpython/rev/f9bd6ddb6ba4 New changeset 0e7aabe76159 by Serhiy Storchaka in branch '3.5': Issue #25983: Added tests for

[issue26204] compiler: ignore constants used as statements? (don't emit LOAD_CONST+POP_TOP)

Roundup Robot added the comment: New changeset a0d053899ff8 by Victor Stinner in branch 'default': Simplify main() of test_ast https://hg.python.org/cpython/rev/a0d053899ff8 New changeset bcf27fa55632 by Victor Stinner in branch 'default': Replace noop constant statement with expression

[issue26117] Close directory descriptor in scandir iterator on error

STINNER Victor added the comment: Thanks for the fix Serhiy ;-) -- ___ Python tracker ___ ___

[issue25994] File descriptor leaks in os.scandir()

Serhiy Storchaka added the comment: Proposed patch adds the close() methon and the support of the context manager protocol for the os.scandir class. -- keywords: +patch stage: -> patch review versions: -Python 3.5 Added file: http://bugs.python.org/file41857/scandir_close.patch

[issue26314] interned strings are stored in a dict, a set would use less memory

Changes by Serhiy Storchaka : -- nosy: +rhettinger ___ Python tracker ___ ___

[issue26288] Optimize PyLong_AsDouble for single-digit longs

Yury Selivanov added the comment: I'm not sure why this issue is open... Closing it. -- status: open -> closed ___ Python tracker ___

[issue26182] Deprecation warnings for the future async and await keywords

Yury Selivanov added the comment: Assigning the issue to myself to make sure it won't be forgotten before it's too late. Anish or Marco, feel free to propose a patch. -- assignee: -> yselivanov stage: -> needs patch versions: -Python 3.5 ___

[issue26289] Optimize floor division for ints

Yury Selivanov added the comment: Serhiy, Victor, thanks for the review. Attaching an updated version of the patch. -- Added file: http://bugs.python.org/file41860/floor_div_2.patch ___ Python tracker

[issue26307] no PGO for built-in modules with `make profile-opt`

Alecsandru Patrascu added the comment: Thank you for noticing and signaling this issue. Since I proposed the PGO patches, I will fix it in another patch, as I don't want it to break any builds. -- ___ Python tracker

[issue26314] interned strings are stored in a dict, a set would use less memory

Changes by Maciej Szulik : -- nosy: +maciej.szulik ___ Python tracker ___ ___

[issue26312] Raise SystemError on programmical errors in PyArg_Parse*()

New submission from Serhiy Storchaka: For now programmical errors with the use of PyArg_ParseTuple() cause raising SystemError. But some programmical errors with the use of PyArg_ParseTupleAndKeywords() cause raising RuntimeError. I think that SystemError is the correct exception type.

[issue26314] interned strings are stored in a dict, a set would use less memory

New submission from Gregory P. Smith: The implementation of string interning uses a dict [1]. It would consume less memory and be a bit simpler if it used a set. Identifier strings in a program are interned. If you have a large program with a lot of code, this makes for a large dictionary.

[issue26182] Deprecation warnings for the future async and await keywords

STINNER Victor added the comment: Can you please mention the python version in the title? -- ___ Python tracker ___

[issue26307] no PGO for built-in modules with `make profile-opt`

Changes by Alecsandru Patrascu : -- nosy: +alecsandru.patrascu ___ Python tracker ___

[issue26182] Deprecation warnings for the future async and await keywords in Python 3.6

Changes by Brett Cannon : -- title: Deprecation warnings for the future async and await keywords -> Deprecation warnings for the future async and await keywords in Python 3.6 ___ Python tracker

[issue26204] compiler: ignore constants used as statements (don't emit LOAD_CONST+POP_TOP)

Roundup Robot added the comment: New changeset 15531b10976c by Victor Stinner in branch 'default': compiler: don't emit SyntaxWarning on const stmt https://hg.python.org/cpython/rev/15531b10976c -- ___ Python tracker

[issue24915] Profile Guided Optimization improvements (better training, llvm support, etc)

Χρήστος Γεωργίου (Christos Georgiou) added the comment: First, let's make sure we're on the same page. - These files are created during the `$(MAKE) run_profile_task` stage. - They get removed during the `$(MAKE) clean` stage, along with the build directory. - The build directory gets

[issue24915] Profile Guided Optimization improvements (better training, llvm support, etc)

Alecsandru Patrascu added the comment: That's interesting. Even on CPython3, I still don't see any gcda's inside the build directory, nor the tree structure you are seeing there. Can you please give me a couple of details regarding your environment (os, distribution, gcc version, 32/64 bit,

[issue25985] Use sys.version_info instead of sys.version

Andrew Plummer added the comment: On a related note, I think that https://hg.python.org/cpython/file/tip/Makefile.pre.in#l571 should get the same treatment. -- nosy: +aplummer ___ Python tracker

[issue26204] compiler: ignore constants used as statements (don't emit LOAD_CONST+POP_TOP)

Georg Brandl added the comment: Shouldn't the message be "constant statement ignored"? The current wording reads strange to me. -- nosy: +georg.brandl ___ Python tracker

[issue26313] ssl.py _load_windows_store_certs fails if windows cert store is empty

New submission from Jonathan Kamens: In ssl.py: def _load_windows_store_certs(self, storename, purpose): certs = bytearray() for cert, encoding, trust in enum_certificates(storename): # CA certs are never PKCS#7 encoded

[issue26204] compiler: ignore constants used as statements (don't emit LOAD_CONST+POP_TOP)

Changes by John Mark Vandenberg : -- nosy: +jayvdb ___ Python tracker ___ ___

[issue25985] Use sys.version_info instead of sys.version

SilentGhost added the comment: > On a related note, I think that > https://hg.python.org/cpython/file/tip/Makefile.pre.in#l571 should get the > same treatment. Agree, that should be included in the patch. -- nosy: +SilentGhost ___ Python tracker

[issue24915] Profile Guided Optimization improvements (better training, llvm support, etc)

Alecsandru Patrascu added the comment: For my responses, I modified locally the Makefile so that it will not remove the build directory and any of the gcda files. I will make some more tests tomorrow, but i think that this problem will solve simpler if the removal of the build directory is

[issue26204] compiler: ignore constants used as statements (don't emit LOAD_CONST+POP_TOP)

STINNER Victor added the comment: > Shouldn't the message be "constant statement ignored"? The current wording > reads strange to me. I removed the warning ;) -- ___ Python tracker

[issue26110] Speedup method calls 1.2x

Changes by Leonardo Santagada : -- nosy: +santagada ___ Python tracker ___ ___

[issue25300] Enable Intel MPX (Memory protection Extensions) feature

Antoine Pitrou added the comment: For the record, the llvm-dev is currently having a discussion thread about MPX. Some of the feedback is a bit critical: http://lists.llvm.org/pipermail/llvm-dev/2016-February/094828.html Also this quite comprehensive report:

[issue26289] Optimize floor division for ints

Yury Selivanov added the comment: There is no drastic difference on where you implement the fast path. I'd implement all specializations/optimizations in longobject.c and optimize ceval to call slots directly. That way, the implact on ceval performance would be minimal. --

[issue26315] Optimize mod division for ints

New submission from Yury Selivanov: The attached patch implements fast path for modulo division of single digit longs. Some timeit micro-benchmarks: -m timeit -s "x=22331" "x%2;x%3;x%4;x%5;x%6;x%7;x%8;x%99;x%100;" with patch: 0.213 usec without patch: 0.602 usec -- assignee:

[issue26289] Optimize floor division for ints

Changes by Yury Selivanov : Added file: http://bugs.python.org/file41862/floor_div_3.patch ___ Python tracker ___

[issue25994] File descriptor leaks in os.scandir()

STINNER Victor added the comment: Context manager protocol, close() method: it looks more and more like a file. In this case, I suggest to emit a ResourceWarning in the destructor if it's not closed explicitly. It mean that the scandir() must always be used with "with" or at least that

[issue26315] Optimize mod division for ints

STINNER Victor added the comment: See also issue #21955. -- ___ Python tracker ___ ___ Python-bugs-list

[issue26289] Optimize floor division for ints

Changes by Yury Selivanov : -- assignee: -> yselivanov ___ Python tracker ___ ___

[issue26314] interned strings are stored in a dict, a set would use less memory

Gregory P. Smith added the comment: Here's an example patch against 2.7 by nnorwitz that we're currently testing. -- keywords: +needs review, patch Added file: http://bugs.python.org/file41863/interned_set_27.diff ___ Python tracker

[issue26314] interned strings are stored in a dict, a set would use less memory

Josh Rosenberg added the comment: Presumably it would involve using private set APIs to make this work, right? Since normally you can't look up the actual value in a set, just check for existence? -- nosy: +josh.r ___ Python tracker

[issue25994] File descriptor leaks in os.scandir()

Josh Rosenberg added the comment: Adding a ResourceWarning even if the generator is run to completion? That seems... dev hostile. I mean, yes, probably best to document it as best practice to use with with statement, but something simple like `files = sorted(os.scandir('.'), key=lambda x:

[issue24294] DeprecationWarnings should be visible by default in the interactive REPL

Changes by John Mark Vandenberg : -- nosy: +jayvdb ___ Python tracker ___ ___