[issue28810] Document bytecode changes in 3.6

Mariatta Wijaya added the comment: New changeset 0a17e584461b14ff65ec287048f53911dbb2 by Mariatta in branch '3.6': bpo-28810: Update lnotab_notes.txt (GH-665) (GH-919) https://github.com/python/cpython/commit/0a17e584461b14ff65ec287048f53911dbb2 -- nosy: +Mariatta ___

[issue29951] PyArg_ParseTupleAndKeywords exception messages containing "function"

Michael Seifert added the comment: Thank you for the suggestions, I added them to the PR. If you want But are you sure about the "keywords must be strings" -> "keyword arguments must be strings" change? I always thought the key is the "keyword" and the value the "(keyword) argument". ---

[issue29951] PyArg_ParseTupleAndKeywords exception messages containing "function"

Serhiy Storchaka added the comment: Martin, could you please take a look? Does the wording of error messages look good English? Do you have to suggest some enhancements? -- nosy: +martin.panter ___ Python tracker

[issue29951] PyArg_ParseTupleAndKeywords exception messages containing "function"

Serhiy Storchaka added the comment: > But are you sure about the "keywords must be strings" -> "keyword arguments > must be strings" change? I always thought the key is the "keyword" and the > value the "(keyword) argument". Now, after you have made change, I have doubts. Yes, it looks ambiguo

[issue29902] copy breaks staticmethod

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[issue29902] copy breaks staticmethod

Serhiy Storchaka added the comment: This issue was fixed by issue22995 in 3.6. But for some reasons the general solution was not applied to 3.5 and 2.7. Proposed patch makes staticmethod, classmethod and property descriptors explicitly non-pickleable (as was made explicitly non-pickleable file

[issue29949] sizeof set after set_merge() is doubled from 3.5

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[issue29949] sizeof set after set_merge() is doubled from 3.5

Raymond Hettinger added the comment: I'll look at this over the next week or two. I don't really like the proposed patch at all but will carefully think through the speed/space trade-offs. -- ___ Python tracker _

[issue29951] PyArg_ParseTupleAndKeywords exception messages containing "function"

Martin Panter added the comment: In this test, “keyword arguments” is definitely wrong: >>> f(**{1:2}) -TypeError: f() keywords must be strings +TypeError: f() keyword arguments must be strings To me, a keyword argument is a _value_ passed in using the f(name=. . .) syntax, and the keyword is

[issue29949] sizeof set after set_merge() is doubled from 3.5

Raymond Hettinger added the comment: Hmm, I wonder why I'm not seeing the same sizes you are seeing. $ cat setsize.py from sys import getsizeof print( [getsizeof(frozenset(range(n))) for n in range(20)] ) $ python3.4 setsize.py [224, 224, 224, 224, 224, 224, 736, 736, 736, 736, 736, 736, 736, 73

[issue29949] sizeof set after set_merge() is doubled from 3.5

INADA Naoki added the comment: See set_update_internal(). https://github.com/python/cpython/blob/master/Objects/setobject.c#L969-L1016 This happens only when iterable is set or dict. >>> import sys >>> sys.getsizeof(set(range(10))) 736 >>> sys.getsizeof(set(set(range(10 1248 >>> sys.getsize

[issue29951] PyArg_ParseTupleAndKeywords exception messages containing "function"

Serhiy Storchaka added the comment: I agree. PyArg_ValidateKeywordArguments() fooled me. Now I see that it would be better to change only PyArg_ValidateKeywordArguments(). -- ___ Python tracker ___

[issue29377] Add the 'wrapper_descriptor' type to the types module

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[issue29949] sizeof set after set_merge() is doubled from 3.5

Serhiy Storchaka added the comment: $ ./python -c 'N = 6000; from sys import getsizeof; s = [getsizeof(frozenset(range(n))) for n in range(N)]; print( [(n, s[n]) for n in range(N) if not n or s[n] != s[n-1]] )' 3.5: [(0, 112), (6, 368), (22, 1136), (86, 4208), (342, 16496), (1366, 65648), (5

[issue29949] sizeof set after set_merge() is doubled from 3.5

INADA Naoki added the comment: > frozenset(range(n)) is slightly larger in 3.7 than in 3.6. It is 4 times > larger for about 10% of sizes. This is intensional: https://github.com/python/cpython/commit/5cd87a8d61246b0a6233bfb8503d4718b693cef0 load factor is reduced from 66% to 60%. (-10%)

[issue29953] Memory leak in the replace() method of datetime and time objects

New submission from Serhiy Storchaka: When pass out of bound keyword argument fold to datetime.datetime.replace() or datetime.time.replace(), ValueError is raised and just allocated object is leaked. Proposed patch fixes the leaks. -- components: Extension Modules messages: 290913 nosy

[issue29953] Memory leak in the replace() method of datetime and time objects

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[issue29725] sqlite3.Cursor doesn't properly document "arraysize"

Aviv Palivoda added the comment: Hi Cheryl, the arraysize value can be set by doing: >>> cursor.array = 5 For example I can do the following >>> import sqlite3 >>> s = sqlite3.connect(":memory:") >>> s.execute("create table a(a,b)") >>> s.execute("insert into a(a,b) values (1,2)") >>> s.execute(

[issue29949] sizeof set after set_merge() is doubled from 3.5

Raymond Hettinger added the comment: I think the best thing to do is to undo the refactoring in https://github.com/python/cpython/commit/4897300276d870f99459c82b937f0ac22450f0b6 . It is was intended be neutral but did affect set_update_internal() for small sets. --

[issue28157] Document time module constants (timezone, tzname, etc.) as deprecated.

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[issue29897] itertools.chain behaves strangly when copied with copy.copy

Serhiy Storchaka added the comment: This issue is related to the behavior of other composite iterators. >>> from copy import copy >>> it = map(ord, 'abc') >>> list(copy(it)) [97, 98, 99] >>> list(copy(it)) [] >>> it = filter(None, 'abc') >>> list(copy(it)) ['a', 'b', 'c'] >>> list(copy(it)) []

[issue29897] itertools.chain behaves strangly when copied with copy.copy

Michael Seifert added the comment: Just an update what doesn't work: just overriding the `__copy__` method. I tried it but it somewhat breaks `itertools.tee` because if the passed iterable has a `__copy__` method `tee` rather copies the iterator (=> resulting in a lot of unnecessary memory ov

[issue29897] itertools.chain behaves strangly when copied with copy.copy

Serhiy Storchaka added the comment: Just for example there is a patch that implements in Python deeper copying for itertools.chain objects. I doesn't mean pushing it, it is too complicated. I have wrote also slightly simpler implementation, but it doesn't work due to the behavior of copied map

[issue29941] Confusion between asserts and Py_DEBUG

Thomas Wouters added the comment: New changeset a00c3fd12d421e41b769debd7df717d17b0deed5 by T. Wouters in branch 'master': bpo-29941: Assert fixes (#886) https://github.com/python/cpython/commit/a00c3fd12d421e41b769debd7df717d17b0deed5 -- ___ Pytho

[issue29941] Confusion between asserts and Py_DEBUG

Thomas Wouters added the comment: This needs some measure of backporting, now that it's just build-time fixes. I'll take a look. -- ___ Python tracker ___ __

[issue29725] sqlite3.Cursor doesn't properly document "arraysize"

Cheryl Sabella added the comment: Hi Aviv, Thank you so much for explaining that! It's obvious to me now. It wasn't marked as READ ONLY in the program, so of course it would set by the caller. I'll be able to document that. I still have the question about this line in fetchall - " Note tha

[issue29941] Confusion between asserts and Py_DEBUG

Zachary Ware added the comment: This seems to have seriously broken a few buildbots: http://buildbot.python.org/all/builders/AMD64%20Debian%20PGO%203.x/builds/539 http://buildbot.python.org/all/builders/AMD64%20FreeBSD%20CURRENT%20Non-Debug%203.x/builds/120 http://buildbot.python.org/all/builder

[issue29954] multiprocessing.Pool.__exit__() calls terminate() instead of close()

New submission from Petr Zemek: multiprocessing.Pool.__exit__() calls terminate() instead of close(). Why? Wouldn't it be better (and more expected from a user's point of view) if it called close()? Reasons: - Calling close() would wait until all tasks are completed before shutting down the

[issue27955] getrandom() syscall returning EPERM make the system unusable.

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python-bugs-list@python.org

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[issue28918] cross compiling xxlimited fails with "Py_LIMITED_API is incompatible with Py_DEBUG"

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[issue29192] Remove deprecated features from http.cookies

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[issue19717] resolve() fails when the path doesn't exist

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[issue28991] Fix obscure lru_cache reentrancy bug

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[issue28509] dict.update allocates too much

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[issue28762] lockf() is available now on Android API level 24, but the F_LOCK macro is not defined

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[issue25464] Tix HList header_exists should be "exist"

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[issue29193] Remove support of format_string as keyword argument in string.Formatter().format()

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[issue29368] Optimize unpickling list-like objects: use extend() instead of append()

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[issue29219] TracebackException(capture_locals=True) may fail with RecursionError

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[issue29463] Add `docstring` field to AST nodes

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[issue29197] Remove os.path.splitunc()

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[issue29367] python-gdb: display wrapper_call()

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[issue28624] Make the `cwd` argument to `subprocess.Popen` accept a `PathLike`

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[issue29218] distutils: Remove unused install_misc class

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[issue28427] WeakValueDictionary next bug (with multithreading)

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[issue9770] curses.ascii.isblank() function is broken. It confuses backspace (BS 0x08) with tab (0x09)

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[issue28353] os.fwalk() unhandled exception when error occurs accessing symbolic link target

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[issue19398] test_trace fails with -S

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[issue28621] Refactor duplicate code calculating digit's bit length

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[issue28950] regrtest: -j0 fails the check -j is not allowed together with -T/-l

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[issue28183] Clean up and speed up dict iteration

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[issue29695] Weird keyword parameter names in builtins

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[issue28426] PyUnicode_AsDecodedObject can only return unicode now

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[issue29615] SimpleXMLRPCDispatcher._dispatch mangles tracebacks when invoking RPC calls through _dispatch

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[issue20766] reference leaks in pdb

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[issue27778] PEP 524: Add os.getrandom()

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[issue28583] PyDict_SetDefault doesn't combine split table when needed

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[issue10656] "Out of tree" build fails on AIX

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[issue28350] Interning string constants with null character

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[issue20211] setup.py: do not add system header locations when cross compiling

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[issue28969] lru_cache is not threadsafe

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[issue28748] Make _Py_PackageContext of type "const char *"

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[issue26273] Expose TCP_CONGESTION and TCP_USER_TIMEOUT to the socket module

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[issue28114] parse_envlist(): os.execve(), os.spawnve(), etc. crash in Python 3.6.0 when env contains byte strings

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[issue28746] cannot set_inheritable() for a file descriptor on Android

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[issue27599] Buffer overrun in binascii

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[issue26937] the chown() method of the tarfile.TarFile class fails on Android

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[issue28023] python-gdb.py must be updated for the new Python 3.6 compact dict

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[issue28740] Add sys.getandroidapilevel()

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[issue25895] urllib.parse.urljoin does not handle WebSocket URLs

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[issue26944] test_posix: Android 'id -G' is entirely wrong or missing the effective gid

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[issue26939] android: test_functools hangs on armv7

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[issue28538] _socket module cross-compilation error on android-24

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[issue28131] assert statements missed when loaded by zipimporter

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[issue26081] Implement asyncio Future in C to improve performance

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[issue28164] _PyIO_get_console_type fails for various paths

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[issue28822] Fix indices handling in PyUnicode_FindChar

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[issue28532] Show sys.version when -V option is supplied twice.

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[issue28985] sqlite3 authorizer codes constants not up to date

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[issue21578] Misleading error message when ImportError called with invalid keyword args

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[issue29602] complex() on object with __complex__ function loses sign of zero imaginary part

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[issue29049] Lazy GC tracking frame

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[issue29683] _PyCode_SetExtra behaviour wrong on allocation failure and after realloc

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[issue28739] PEP 498: docstrings as f-strings

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[issue16285] Update urllib quoting to RFC 3986

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[issue29684] Minor regression in PyEval_CallObjectWithKeywords()

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[issue27932] platform.win32_ver() leaks in 2.7.12

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[issue29210] Remove the support of the exclude argument in tarfile.TarFile.add()

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[issue28225] bz2 does not support pathlib

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[issue28932] Fail compile Python 3.6.0rc1 on OpenBSD 6.0

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[issue25778] winreg.EnumValue does not truncate strings correctly

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[issue29034] Fix memory leak and use-after-free in path_converter

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[issue28469] timeit: use powers of 2 in autorange(), instead of powers of 10

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[issue28163] WindowsConsoleIO fileno() passes wrong flags to _open_osfhandle

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[issue28488] shutil.make_archive (xxx, zip, root_dir) is adding './' entry to archive which is wrong

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[issue29607] Broken stack_effect for CALL_FUNCTION_EX

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[issue28228] imghdr does not support pathlib

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[issue29195] Get rid of supporting outdated wrong keyword arguments in re methods

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[issue28430] asyncio: C implemeted Future cause Tornado test fail

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