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* bpo-30618: add readlink to pathlib.Path (GH-8285)Girts2019-10-232-0/+21
| | | | | | | | | | | This adds a "readlink" method to pathlib.Path objects that calls through to os.readlink. https://bugs.python.org/issue30618 Automerge-Triggered-By: @gpshead
* Spell Bitbucket correctly. (GH-16862)Peter Bittner2019-10-232-3/+3
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* bpo-38466: Fix threading.excepthook doc (GH-16891)Daniel Baskal2019-10-221-2/+2
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* Bump Sphinx to 2.2.0. (GH-16532)Julien Palard2019-10-222-2/+2
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* Fix Zope URL (GH-16880)Kyle Stanley2019-10-221-1/+1
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* bpo-38493: Add os.CLD_KILLED and os.CLD_STOPPED. (GH-16821)Dong-hee Na2019-10-212-0/+11
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* bpo-38531: document extend action's added version (GH-16865)Batuhan Taşkaya2019-10-201-0/+2
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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
* Remove doc reference to unmaitained Nose package (GH-16849)Jon Dufresne2019-10-191-2/+2
| | | The Nose package is no longer maintained.
* 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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* bpo-33604: Raise TypeError on missing hmac arg. (GH-16805)Gregory P. Smith2019-10-181-3/+5
| | | | | | | | | | Also updates the documentation to clarify the situation surrounding the digestmod parameter that is required despite its position in the argument list as of 3.8.0 as well as removing old python2 era references to "binary strings". We indavertently had this raise ValueError in 3.8.0 for the missing arg. This is not considered an API change as no reasonable code would be catching this missing argument error in order to handle it.
* Update doc switcher list for 3.8.0 (GH-16809)Ned Deily2019-10-151-1/+1
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* bpo-37961, tracemalloc: add Traceback.total_nframe (GH-15545)Julien Danjou2019-10-151-0/+15
| | | | Add a total_nframe field to the traces collected by the tracemalloc module. This field indicates the original number of frames before it was truncated.
* bpo-38133: Update docs to reflect fixes to py.exe launcher (GH-16791)Steve Dower2019-10-141-3/+3
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* Doc: 3.8 is now stable. (GH-16790)Julien Palard2019-10-141-1/+1
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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-32498: urllib.parse.unquote also accepts bytes (GH-7768)Stein Karlsen2019-10-141-1/+6
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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
* bpo-38464: Document parameter for NormalDist.quantiles() (GH-16757)Raymond Hettinger2019-10-141-1/+1
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* bpo-38467: Fix argument name of typing functions (GH-16753)Sebastian Rittau2019-10-131-2/+2
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* bpo-28556: Remove another mention of metaclass of Generic in typing docs ↵Ivan Levkivskyi2019-10-131-2/+2
| | | | | | | | (GH-16743) Metaclass was removed in Python 3.7 (there is already a `versionchanged` item about this). https://bugs.python.org/issue28556
* 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
* bpo-38378: Rename parameters "out" and "in" of os.sendfile(). (GH-16742)Serhiy Storchaka2019-10-131-9/+12
| | | | | | | They conflicted with keyword "in". Also rename positional-only parameters of private os._fcopyfile() for consistency.
* bpo-38417: Add umask support to subprocess (GH-16726)Gregory P. Smith2019-10-121-3/+9
| | | | On POSIX systems, allow the umask to be set in the child process before we exec.
* 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-35800: Deprecate smtpd.MailmanProxy (GH-11675)Samuel Colvin2019-10-121-0/+6
| | | | | | Since `smtpd.MailmanProxy` is already broken, it is not formally deprecated in 3.9. It will be removed in 3.10. https://bugs.python.org/issue35800
* bpo-38442: Remove an execution bit from Doc/whatsnew/3.8.rst. (GH-16715)Serhiy Storchaka2019-10-111-0/+0
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* docs: Add asyncio source code links (GH-16640)Kyle Stanley2019-10-1011-4/+54
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* bpo-32996: Documentation fix-up. (GH-16646)M. Eric Irrgang2019-10-101-3/+4
| | | | | | | PR #4906 changed the typing.Generic class hierarchy, leaving an outdated comment in the library reference. User-defined Generic ABCs now must get a abc.ABCMeta metaclass from something other than typing.Generic inheritance.
* bpo-38371: Tkinter: deprecate the split() method. (GH-16584)Serhiy Storchaka2019-10-081-0/+5
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* bpo-38294: Add list of no-longer-escaped chars to re.escape documentation. ↵Ricardo Bánffy2019-10-072-3/+6
| | | | | | | | | (GH-16442) Prior to 3.7, re.escape escaped many characters that don't have special meaning in Python, but that use to require escaping in other tools and languages. This commit aims to make it clear which characters were, but are no longer escaped.
* bpo-38391: Fixing a typo for Py_DECREF (GH-16616)Krishna Oza2019-10-071-1/+1
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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. Stewart2019-10-072-1/+8
| | | | | | | | | | 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
* bpo-38266: Revert bpo-37878: Make PyThreadState_DeleteCurrent() Internal ↵Joannah Nanjekye2019-10-041-0/+8
| | | | | (GH-16558) Revert the removal of PyThreadState_DeleteCurrent() with documentation.
* bpo-38235: Correct some arguments names in logging documentation (GH-16571)Ashley Whetter2019-10-041-17/+17
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* bpo-38304: PyConfig_InitPythonConfig() cannot fail anymore (GH-16509)Victor Stinner2019-10-011-25/+10
| | | | PyConfig_InitPythonConfig() and PyConfig_InitIsolatedConfig() no longer return PyStatus: they cannot fail anymore.
* bpo-38304: Remove PyConfig.struct_size (GH-16500) (GH-16508)Victor Stinner2019-10-011-36/+3
| | | | | | | For now, we'll rely on the fact that the config structures aren't covered by the stable ABI. We may revisit this in the future if we further explore the idea of offering a stable embedding API. (cherry picked from commit bdace21b769998396d0ccc8da99a8ca9b507bfdf)
* bpo-32689: Updates shutil.move to allow for Path objects to be used as ↵Maxwell A McKinnon2019-10-011-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | source arg (GH-15326) Important work originally done by @emilyemorehouse two years ago and nearly ready to go in. This bug has affected many people and in some cases has been a dealbreaker to the adoption of the otherwise wonderful pathlib and PEP519. https://stackoverflow.com/questions/33625931/copy-file-with-pathlib-in-python. This adds the outstanding test request from that PR @vstinner (https://github.com/python/cpython/pull/5393). Test fails without the change, passes with it, along with every other test in test_shutil. Some variants were experimented with to make the one line change and the most performant one was picked. # Added Test for PathLike directory destination, the current fail case ``` Lib/test/test_shutil.py::TestMove::test_move_file_pathlike FAILED [100%] ============================================================== FAILURES =============================================================== __________________________________________________ TestMove.test_move_file_pathlike ___________________________________________________ self = <test.test_shutil.TestMove testMethod=test_move_file_pathlike> def test_move_file_pathlike(self): # Move a file to another location on the same filesystem. src = pathlib.Path(self.src_file) > self._check_move_file(src, self.dst_dir, self.dst_file) Lib/test/test_shutil.py:1563: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Lib/test/test_shutil.py:1545: in _check_move_file shutil.move(src, dst) /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/shutil.py:562: in move real_dst = os.path.join(dst, _basename(src)) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ path = PosixPath('/var/folders/r2/psq74t5x3nbfzlph8bh2pvdw0000gn/T/tmp9ie0wh9_/foo') def _basename(path): # A basename() variant which first strips the trailing slash, if present. # Thus we always get the last component of the path, even for directories. sep = os.path.sep + (os.path.altsep or '') > return os.path.basename(path.rstrip(sep)) E AttributeError: 'PosixPath' object has no attribute 'rstrip' /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/shutil.py:526: AttributeError ============================================== 1 failed, 102 deselected in 0.30 seconds =============================================== ``` After change: ``` ========================================================= test session starts ========================================================= platform darwin -- Python 3.7.4, pytest-5.0.1, py-1.8.0, pluggy-0.12.0 -- /Users/maxwellmckinnon/.venvs/TA3.7/bin/python3.7 cachedir: .pytest_cache rootdir: /Users/maxwellmckinnon/dev/cpython plugins: cov-2.7.1, mock-1.10.4 collected 103 items / 102 deselected / 1 selected Lib/test/test_shutil.py::TestMove::test_move_file_pathlike PASSED [100%] ============================================== 1 passed, 102 deselected in 0.06 seconds =============================================== ``` Running all the tests in test_shutil.py ``` ╰─ pytest Lib/test/test_shutil.py -v ========================================================= test session starts ========================================================= platform darwin -- Python 3.7.4, pytest-5.0.1, py-1.8.0, pluggy-0.12.0 -- /Users/maxwellmckinnon/.venvs/TA3.7/bin/python3.7 cachedir: .pytest_cache rootdir: /Users/maxwellmckinnon/dev/cpython plugins: cov-2.7.1, mock-1.10.4 collected 103 items Lib/test/test_shutil.py::TestShutil::test_chown PASSED [ 0%] Lib/test/test_shutil.py::TestShutil::test_copy PASSED [ 1%] ... Lib/test/test_shutil.py::TermsizeTests::test_stty_match SKIPPED [ 99%] Lib/test/test_shutil.py::PublicAPITests::test_module_all_attribute PASSED [100%] ================================================ 96 passed, 7 skipped in 1.25 seconds ================================================= ``` # Performance Considerations Is it considered poor form to get rid of _basename altogether and make use of pathlib in the move function? I'm not sure if the idea is for all these modules to strictly avoid circular dependencies. They are already using os.path which is just as much a citizen in 3.8 as pathlib right? e.g. `real_dst = os.path.join(dst, _basename(src))` becomes `real_dst = Path(dst) / Path(src).name` I've looked around and familiarized myself, and I now think importing pathlib here is fine. My only remaining concern is that of performance. Here's the performance difference for this step. ``` In [46]: %timeit real_dst = os.path.join("a/b/c", _basename('b/')) 2.71 µs ± 62.6 ns per loop (mean ± std. dev. of 7 runs, 100000 loops each) In [47]: %timeit real_dst = Path("a/b/c") / Path('b/').name 12.4 µs ± 65.3 ns per loop (mean ± std. dev. of 7 runs, 100000 loops each) ``` Is 10us significant or insignificant compared to the least expensive operation this function will do? I don't know. Let's find out. ``` In [55]: %timeit os.rename('/tmp/a/a.txt', '/tmp/a/b.txt'); os.rename('/tmp/a/b.txt', '/tmp/a/a.txt') 124 µs ± 2.18 µs per loop (mean ± std. dev. of 7 runs, 10000 loops each) ``` 62us to rename. 10us seems significant enough that we wouldn't want to favor the Path sugar suggestion. 16% speed decrease from adding the 10us. What do people think? I was hoping to get to use pathlib.Path here, but I suspect for this low level move, it should be as fast as possible, and 16% is not worth one line of sugary code to me. https://bugs.python.org/issue32689 Automerge-Triggered-By: @gvanrossum
* Fix and improve `asyncio.run()` docs (GH-16403)Kyle Stanley2019-10-012-5/+3
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* bpo-38242: Revert "bpo-36889: Merge asyncio streams (GH-13251)" (#16482)Yury Selivanov2019-09-304-532/+74
| | | See https://bugs.python.org/issue38242 for more details
* bpo-38163: Child mocks detect their type as sync or async (GH-16471)Lisa Roach2019-09-301-1/+27
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* bpo-38317: Fix PyConfig.warnoptions priority (GH-16478)Victor Stinner2019-09-291-1/+7
| | | | | | | | | Fix warnings options priority: PyConfig.warnoptions has the highest priority, as stated in the PEP 587. * Document options order in PyConfig.warnoptions documentation. * Make PyWideStringList_INIT macro private: replace "Py" prefix with "_Py". * test_embed: add test_init_warnoptions().
* bpo-37408: Precise that Tarfile "format" argument only concerns writing. ↵Pascal Chambon2019-09-281-2/+3
| | | | (GH-14389)
* bpo-38304: Add PyConfig.struct_size (GH-16451)Victor Stinner2019-09-281-5/+39
| | | | | | | | | | | | | | | | | Add a new struct_size field to PyPreConfig and PyConfig structures to allow to modify these structures in the future without breaking the backward compatibility. * Replace private _config_version field with public struct_size field in PyPreConfig and PyConfig. * Public PyPreConfig_InitIsolatedConfig() and PyPreConfig_InitPythonConfig() return type becomes PyStatus, instead of void. * Internal _PyConfig_InitCompatConfig(), _PyPreConfig_InitCompatConfig(), _PyPreConfig_InitFromConfig(), _PyPreConfig_InitFromPreConfig() return type becomes PyStatus, instead of void. * Remove _Py_CONFIG_VERSION * Update the Initialization Configuration documentation.
* Fix typo in the "Porting to Python 3.8" section. (GH-16435)bariod2019-09-271-1/+1
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