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* Fix asyncio.wait() 3.8 whatsnew entry (GH-16975)Kyle Stanley2019-10-291-1/+2
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* bpo-38534: Replace wrong KB number references (GH-16955)benedwards142019-10-281-1/+1
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* bpo-37330: open() no longer accept 'U' in file mode (GH-16959)Victor Stinner2019-10-281-0/+8
| | | | | open(), io.open(), codecs.open() and fileinput.FileInput no longer accept "U" ("universal newline") in the file mode. This flag was deprecated since Python 3.3.
* bpo-38602: Add fcntl.F_OFD_XXXX for fcntlmodule (GH-16956)Dong-hee Na2019-10-281-1/+8
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* Add missing asyncio changes from 3.8 whatsnew (GH-16911)Kyle Stanley2019-10-241-10/+85
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* bpo-30618: add readlink to pathlib.Path (GH-8285)Girts2019-10-231-0/+7
| | | | | | | | | | | This adds a "readlink" method to pathlib.Path objects that calls through to os.readlink. https://bugs.python.org/issue30618 Automerge-Triggered-By: @gpshead
* bpo-38493: Add os.CLD_KILLED and os.CLD_STOPPED. (GH-16821)Dong-hee Na2019-10-211-0/+6
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* bpo-37759: More updates to Whatsnew 3.8 (GH-16854)Raymond Hettinger2019-10-201-26/+183
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * math.perm() and math.comb() * math.isqrt() * Add singledispatchmethod() * itertools.accumulate() * Optional headers for xmlrpc.client.ServerProxy * IDLE non-BMP characters * import collections.abc directly * @coroutine is deprecated * pprint.pp() * New options for object.__reduce__() * DictReader no longer returns OrderedDicts * "force" option for logging.basicConfig() * Fix spelling * cProfile context manager * Various markup/grammar fixes from Kyle Stanley. Other minor fixes as well. Also, dedup the __reduce__ entry. * Fix markup * Fix grammar nits found by MS Word
* Fix minor typos in What's New in Python 3.8. (GH-16770)Jero Bado2019-10-181-4/+4
| | | Added periods at the end of the sentences.
* Doc: Add missing entry for functools.cached_property (GH-16803)Stéphane Wirtel2019-10-181-0/+16
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* Remove draft status. Add asyncio REPL example (GH-16785)Raymond Hettinger2019-10-141-8/+29
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* bpo-37759: Polish What's New in Python 3.8. (#16769)Serhiy Storchaka2019-10-141-88/+123
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* bpo-37759: Add examples for the new typing features (GH-16763)Raymond Hettinger2019-10-141-5/+21
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* bpo-38461 and bpo-38463: Minor fixes to Whatsnew 3.8 (GH-16761)Raymond Hettinger2019-10-141-9/+10
| | | | | | * bpo-38461: ncurses misspelled as curses * bpo-38463: Fix broken link
* Rebased version of what's new PR (#16745)Andrew Kuchling2019-10-131-83/+67
| | | | | | * Use Unicode character for accent * Various grammar fixes * Sort library modules alphabetically; remove duplicated idlelib/IDLE section
* Fix minor typos in WhatsnewHugo van Kemenade2019-10-121-12/+10
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* Announce the change in the CancelledError inheritance (GH-16730)Phil Jones2019-10-121-0/+4
| | | | This is a fairly noticeable change that requires adjustments in existing asyncio code. It should therefore be announced.
* bpo-38442: Remove an execution bit from Doc/whatsnew/3.8.rst. (GH-16715)Serhiy Storchaka2019-10-111-0/+0
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* bpo-38371: Tkinter: deprecate the split() method. (GH-16584)Serhiy Storchaka2019-10-081-0/+5
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* bpo-25988: Do not expose abstract collection classes in the collections ↵Serhiy Storchaka2019-10-071-0/+5
| | | | module. (GH-10596)
* bpo-26510: Add versionchanged for required arg of add_subparsers (GH-16588)Adam J. Stewart2019-10-071-0/+4
| | | | | | | | | | The `required` argument to `argparse.add_subparsers` was added in #3027. This PR specifies the earliest version of Python where it is available. https://bugs.python.org/issue26510 Automerge-Triggered-By: @merwok
* Fix typo in the "Porting to Python 3.8" section. (GH-16435)bariod2019-09-271-1/+1
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* Doc: Several fixes and improvements for 3.9 whatsnew (GH-16375)Kyle Stanley2019-09-261-26/+26
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* bpo-38234: Py_SetPath() uses the program full path (GH-16357)Victor Stinner2019-09-241-0/+5
| | | | | | | Py_SetPath() now sets sys.executable to the program full path (Py_GetProgramFullPath()), rather than to the program name (Py_GetProgramName()). Fix also memory leaks in pathconfig_set_from_config().
* Doc: Add whatsnew entry for loop.shutdown_default_executor() (GH-16308)Kyle Stanley2019-09-211-0/+7
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* bpo-28724: Add methods send_fds and recv_fds to the socket module (GH-12889)Joannah Nanjekye2019-09-111-0/+0
| | | | | | | The socket module now has the socket.send_fds() and socket.recv.fds() functions. Contributed by Joannah Nanjekye, Shinya Okano (original patch) and Victor Stinner. Co-Authored-By: Victor Stinner <vstinner@redhat.com>
* bpo-35224: Additional documentation for Assignment Expressions (GH-15935)Emily Morehouse2019-09-111-2/+0
| | | | | | | | | | | | | Add or update assignment expression documentation for: - FAQ - Design - Reference - Expressions - Reference - Lexical Analysis https://bugs.python.org/issue35224 Automerge-Triggered-By: @matrixise
* Doc: Indicate locations of parse_qs, parse_qsl, escape (GH-14828)Simon Willison2019-09-111-1/+2
| | | | Since they have been removed from cgi it's useful to remind people where they can be found instead.
* bpo-38096: Clean up the "struct sequence" / "named tuple" docs (GH-15895)Raymond Hettinger2019-09-112-3/+3
| | | | | | | | * bpo-38096: Clean up the "struct sequence" / "named tuple" docs * Fix remaining occurrences of "struct sequence" * Repair a user visible docstring
* bpo-32972: Document IsolatedAsyncioTestCase of unittest module (GH-15878)Xtreak2019-09-111-0/+26
| | | | | | | | | | | * Document `unittest.IsolatedAsyncioTestCase` API * Add a simple example with respect to order of evaluation of setup and teardown calls. https://bugs.python.org/issue32972 Automerge-Triggered-By: @asvetlov
* bpo-37995: Add an option to ast.dump() to produce a multiline output. (GH-15631)Serhiy Storchaka2019-09-091-0/+8
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* Fix typo in math.prod example (GH-15614)Ashwin Vishnu2019-09-091-1/+1
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* bpo-15088 : Remove PyGen_NeedsFinalizing() (GH-15702)Joannah Nanjekye2019-09-061-0/+5
| | | | | Remove PyGen_NeedsFinalizing(): it was not documented, tested or used anywhere within CPython after the implementation of PEP 442.
* bpo-37878: Remove PyThreadState_DeleteCurrent() function (GH-15315)Joannah Nanjekye2019-09-051-0/+3
| | | | | | | * Rename PyThreadState_DeleteCurrent() to _PyThreadState_DeleteCurrent() * Move it to the internal C API Co-Authored-By: Carol Willing <carolcode@willingconsulting.com>
* bpo-36409: Remove old plistlib API deprecated in 3.4 (GH-15615)Jon Janzen2019-09-051-0/+6
| | | | * Remove implementation for old plistlib API deprecated in 3.4
* closes bpo-37966: Fully implement the UAX #15 quick-check algorithm. (GH-15558)Greg Price2019-09-041-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The purpose of the `unicodedata.is_normalized` function is to answer the question `str == unicodedata.normalized(form, str)` more efficiently than writing just that, by using the "quick check" optimization described in the Unicode standard in UAX #15. However, it turns out the code doesn't implement the full algorithm from the standard, and as a result we often miss the optimization and end up having to compute the whole normalized string after all. Implement the standard's algorithm. This greatly speeds up `unicodedata.is_normalized` in many cases where our partial variant of quick-check had been returning MAYBE and the standard algorithm returns NO. At a quick test on my desktop, the existing code takes about 4.4 ms/MB (so 4.4 ns per byte) when the partial quick-check returns MAYBE and it has to do the slow normalize-and-compare: $ build.base/python -m timeit -s 'import unicodedata; s = "\uf900"*500000' \ -- 'unicodedata.is_normalized("NFD", s)' 50 loops, best of 5: 4.39 msec per loop With this patch, it gets the answer instantly (58 ns) on the same 1 MB string: $ build.dev/python -m timeit -s 'import unicodedata; s = "\uf900"*500000' \ -- 'unicodedata.is_normalized("NFD", s)' 5000000 loops, best of 5: 58.2 nsec per loop This restores a small optimization that the original version of this code had for the `unicodedata.normalize` use case. With this, that case is actually faster than in master! $ build.base/python -m timeit -s 'import unicodedata; s = "\u0338"*500000' \ -- 'unicodedata.normalize("NFD", s)' 500 loops, best of 5: 561 usec per loop $ build.dev/python -m timeit -s 'import unicodedata; s = "\u0338"*500000' \ -- 'unicodedata.normalize("NFD", s)' 500 loops, best of 5: 512 usec per loop
* bpo-36543: Remove old-deprecated ElementTree features. (GH-12707)Serhiy Storchaka2019-09-011-0/+6
| | | | | Remove methods Element.getchildren(), Element.getiterator() and ElementTree.getiterator() and the xml.etree.cElementTree module.
* bpo-37951: Lift subprocess's fork() restriction (GH-15544)Christian Heimes2019-08-271-0/+6
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* bpo-36917: Add default implementation of ast.NodeVisitor.visit_Constant(). ↵Serhiy Storchaka2019-08-261-0/+7
| | | | | | | (GH-15490) It emits a deprecation warning and calls corresponding method visit_Num(), visit_Str(), etc.
* bpo-34880: Add the LOAD_ASSERTION_ERROR opcode. (GH-15073)Zackery Spytz2019-08-251-0/+9
| | | | Fix assert statement misbehavior if AssertionError is shadowed.
* Fix link to changelog in 3.9 What's New page (GH-15445)Ned Deily2019-08-241-1/+1
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* bpo-32554: Deprecate hashing arbitrary types in random.seed() (GH-15382)Raymond Hettinger2019-08-221-0/+6
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* bpo-37663: have venv activation scripts all consistently use __VENV_PROMPT__ ↵Brett Cannon2019-08-211-0/+15
| | | | | | | for prompt customization (GH-14941) The activation scripts generated by venv were inconsistent in how they changed the shell's prompt. Some used `__VENV_PROMPT__` exclusively, some used `__VENV_PROMPT__` if it was set even though by default `__VENV_PROMPT__` is always set and the fallback matched the default, and one ignored `__VENV_PROMPT__` and used `__VENV_NAME__` instead (and even used a differing format to the default prompt). This change now has all activation scripts use `__VENV_PROMPT__` only and relies on the fact that venv sets that value by default. The color of the customization is also now set in fish to the blue from the Python logo for as hex color support is built into that shell (much like PowerShell where the built-in green color is used).
* bpo-37834: Normalise handling of reparse points on Windows (GH-15231)Steve Dower2019-08-211-0/+21
| | | | | | | | | | bpo-37834: Normalise handling of reparse points on Windows * ntpath.realpath() and nt.stat() will traverse all supported reparse points (previously was mixed) * nt.lstat() will let the OS traverse reparse points that are not name surrogates (previously would not traverse any reparse point) * nt.[l]stat() will only set S_IFLNK for symlinks (previous behaviour) * nt.readlink() will read destinations for symlinks and junction points only bpo-1311: os.path.exists('nul') now returns True on Windows * nt.stat('nul').st_mode is now S_IFCHR (previously was an error)
* bpo-9949: Enable symlink traversal for ntpath.realpath (GH-15287)Steve Dower2019-08-211-0/+3
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* bpo-37759: Second round of edits to Whatsnew 3.8 (GH-15204)Raymond Hettinger2019-08-121-20/+88
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* bpo-37804: Remove the deprecated method threading.Thread.isAlive() (GH-15225)Dong-hee Na2019-08-121-0/+4
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* bpo-32912: Revert SyntaxWarning on invalid escape sequences. (GH-15195)Gregory P. Smith2019-08-101-5/+0
| | | | | | | | | | | | | | | | | | DeprecationWarning will continue to be emitted for invalid escape sequences in string and bytes literals just as it did in 3.7. SyntaxWarning may be emitted in the future. But per mailing list discussion, we don't yet know when because we haven't settled on how to do so in a non-disruptive manner. (Applies 4c5b6bac2408f879231c7cd38d67657dd4804e7c to the master branch). (This is https://github.com/python/cpython/pull/15142 for master/3.9) https://bugs.python.org/issue32912 Automerge-Triggered-By: @gpshead
* bpo-37759: First round of major edits to Whatsnew 3.8 (GH-15127)Raymond Hettinger2019-08-051-37/+168
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* bpo-37444: Update differing exception between builtins and importlib (GH-14869)Ngalim Siregar2019-08-031-0/+20
| | | | | | | | | | Imports now raise `TypeError` instead of `ValueError` for relative import failures. This makes things consistent between `builtins.__import__` and `importlib.__import__` as well as using a more natural import for the failure. https://bugs.python.org/issue37444 Automerge-Triggered-By: @brettcannon
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