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* bpo-32856: Optimize the assignment idiom in comprehensions. (GH-16814)Serhiy Storchaka2020-02-121-0/+11
| | | | | Now `for y in [expr]` in comprehensions is as fast as a simple assignment `y = expr`.
* bpo-38644: Rephrase What's New entry (GH-18461)Victor Stinner2020-02-111-2/+3
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* bpo-39500: Document PyUnicode_IsIdentifier() function (GH-18397)Victor Stinner2020-02-111-0/+10
| | | | PyUnicode_IsIdentifier() does not call Py_FatalError() anymore if the string is not ready.
* bpo-38374: Remove weakref.ReferenceError from docs (GH-18452)Roger Hurwitz2020-02-112-9/+0
| | | | | | | | | | Reflecting changes to the code, removed weakref.ReferenceError from weakref.rst and exceptions.rst. Issue submitter provided evidence that the `weakref.ReferenceError` alias for `ReferenceError` was removed from the code in 2007. Working with @gvanrossum at PyCascades CPython sprint we looked at the code and confirmed that `weakref.ReferenceError` was no longer in `weakref.py`. Based on that analysis I removed references `weakref.ReferenceError` from the two documents where it was still being referenced: `weakref.rst` and `exceptions.rst`. https://bugs.python.org/issue38374
* bpo-39417: Fix broken link to guide to building venvs (GH-18432)Ogi Moore2020-02-101-1/+1
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* Correct the documented default encoding (GH-18429)Eric Wieser2020-02-101-1/+1
| | | | | | | | | | | | | From the source for `PyUnicode_Decode`, the implementation is: ``` if (encoding == NULL) { return PyUnicode_DecodeUTF8Stateful(s, size, errors, NULL); } ``` which is pretty clearly not defaulting to ASCII. --- I assume this needs neither a news entry nor bpo link.
* bpo-13826: Clarify Popen constructor example (GH-18438)Tim D. Smith2020-02-101-2/+8
| | | | | | | | | | Clarifies that the use of `shlex.split` is more instructive than normative, and provides a simpler example. https://bugs.python.org/issue13826
* bpo-39594: Fix typo in os.times documentation (GH-18443)Roger Hurwitz2020-02-101-4/+2
| | | | | There was an extra space in the url markup, causing the documentation not rendered properly. https://bugs.python.org/issue39594
* Issue3950: Fix docs for default locale used by gettext to match ā†µCarl2020-02-101-2/+2
| | | | | implementation (#18435) documentation for default locale directory Doc/library/gettext.rst changed to match gettext implementation line 63.
* Remove redundant references in struct doc (GH-18053)Christophe Nanteuil2020-02-101-2/+2
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* bpo-39369 Doc: Update mmap readline method documentation (GH-17957)Wellington Pardim2020-02-101-1/+2
| | | | | | | | | | * Update mmap readline method documentation Update mmap `readline` method description. The fact that the `readline` method does update the file position should not be ignored since this might give the impression for the programmer that it doesn't update it. * šŸ“œšŸ¤– Added by blurb_it. Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
* Remove note saying patch is straightforward (#18431)Brian Curtin2020-02-101-2/+1
| | | | | | | While `unittest.mock.patch` is a great thing, it is not straightforward. If it were straightforward there wouldn't be such a huge amount of documentation for it, and frankly, when myself and others who I've read about often struggle to figure out what on earth `patch()` wants, coming to the docs to read that it's straightforward is not helpful.
* bpo-39586: Deprecate distutils bdist_msi command (GH-18415)Hugo van Kemenade2020-02-103-0/+16
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* bpo-39128: Added happy_eyeballs_delay, interleave to function signature ā†µidomic2020-02-101-2/+3
| | | | (GH-18315)
* Grammar fix in tutorial (GH-18425)Don Kirkby2020-02-101-1/+1
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* Doc: sys.__unraisablehook__ and bytearray.hex separators are new in 3.8 ā†µSaiyang Gou2020-02-082-3/+15
| | | | | | | | (GH-17884) Minor fix in documentation: - `sys.__unraisablehook__` is new in version 3.8 - Optional `sep` and `bytes_per_sep` parameters for `bytearray.hex` is also supported in Python 3.8 (just like `bytes.hex`)
* bpo-39350: Fix fractions for int subclasses (GH-18375)Victor Stinner2020-02-071-0/+4
| | | | | | | Fix regression in fractions.Fraction if the numerator and/or the denominator is an int subclass. The math.gcd() function is now used to normalize the numerator and denominator. math.gcd() always return a int type. Previously, the GCD type depended on numerator and denominator.
* bpo-39573: Add Py_SET_SIZE() function (GH-18400)Victor Stinner2020-02-071-0/+7
| | | Add Py_SET_SIZE() function to set the size of an object.
* bpo-39573: Add Py_SET_TYPE() function (GH-18394)Victor Stinner2020-02-071-0/+7
| | | Add Py_SET_TYPE() function to set the type of an object.
* bpo-39573: Add Py_SET_REFCNT() function (GH-18389)Victor Stinner2020-02-071-0/+7
| | | | Add a Py_SET_REFCNT() function to set the reference counter of an object.
* bpo-39534: Doc: Clarify return in finally (GH-18324)Julien Palard2020-02-061-9/+27
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* What's New in Python 3.9: sort improved modules (GH-18383)Victor Stinner2020-02-061-36/+36
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* bpo-39542: Document limited C API changes (GH-18378)Victor Stinner2020-02-061-7/+42
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* bpo-39245: Make Vectorcall C API public (GH-17893)Petr Viktorin2020-02-062-51/+58
| | | | | | | | | | | | | | | | | * Add backcompat defines and move non-limited API declaration to cpython/ This partially reverts commit 2ff58a24e8a1c7e290d025d69ebaea0bbead3b8c which added PyObject_CallNoArgs to the 3.9+ stable ABI. This should not be done; there are enough other call APIs in the stable ABI to choose from. * Adjust documentation Mark all newly public functions as added in 3.9. Add a note about the 3.8 provisional names. Add notes on public API. * Put PyObject_CallNoArgs back in the limited API * Rename PyObject_FastCallDict to PyObject_VectorcallDict
* bpo-39542: Convert PyType_Check() to static inline function (GH-18364)Victor Stinner2020-02-051-6/+6
| | | | Convert PyType_HasFeature(), PyType_Check() and PyType_CheckExact() macros to static inline functions.
* bpo-39491: Merge PEP 593 (typing.Annotated) support (#18260)Jakub Stasiak2020-02-052-1/+109
| | | | | | | | | | | | | | | | | | | | | | | | | * bpo-39491: Merge PEP 593 (typing.Annotated) support PEP 593 has been accepted some time ago. I got a green light for merging this from Till, so I went ahead and combined the code contributed to typing_extensions[1] and the documentation from the PEP 593 text[2]. My changes were limited to: * removing code designed for typing_extensions to run on older Python versions * removing some irrelevant parts of the PEP text when copying it over as documentation and otherwise changing few small bits to better serve the purpose * changing the get_type_hints signature to match reality (parameter names) I wasn't entirely sure how to go about crediting the authors but I used my best judgment, let me know if something needs changing in this regard. [1] https://github.com/python/typing/blob/8280de241fd8c8afe727c7860254b753e383b360/typing_extensions/src_py3/typing_extensions.py [2] https://github.com/python/peps/blob/17710b879882454d55f82c2d44596e8e9f8e4bff/pep-0593.rst
* bpo-39184: Add audit events to command execution functions in os and pty ā†µSaiyang Gou2020-02-052-0/+11
| | | | modules (GH-17824)
* Fix MinGW library generation command (GH-17917)Baljak2020-02-051-1/+1
| | | To print the exports to stdout, the gendef command requires the option "-". Without this option, no output is generated.
* add whatsnew that was missed from 31d6de5aba009914efa8f0f3c3d7da35217578eb ā†µChris Withers2020-02-041-0/+2
| | | | (#18344)
* bpo-38558: Link to further docs from walrus operator mention in tutorial ā†µAdorilson Bezerra2020-02-032-3/+6
| | | | (GH-16973)
* bpo-39489: Remove COUNT_ALLOCS special build (GH-18259)Victor Stinner2020-02-034-45/+15
| | | | | | | | | | | Remove: * COUNT_ALLOCS macro * sys.getcounts() function * SHOW_ALLOC_COUNT code in listobject.c * SHOW_TRACK_COUNT code in tupleobject.c * PyConfig.show_alloc_count field * -X showalloccount command line option * @test.support.requires_type_collecting decorator
* bpo-39349: Add *cancel_futures* to Executor.shutdown() (GH-18057)Kyle Stanley2020-02-022-1/+22
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* fixes typos in http.client documentation (#18300)James Corbett2020-02-011-2/+2
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* bpo-34793: Drop old-style context managers in asyncio.locks (GH-17533)Andrew Svetlov2020-02-012-2/+7
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* bpo-39511: PyThreadState_Clear() calls on_delete (GH-18296)Victor Stinner2020-02-011-0/+4
| | | | | | | | | | | | | | | | | | PyThreadState.on_delete is a callback used to notify Python when a thread completes. _thread._set_sentinel() function creates a lock which is released when the thread completes. It sets on_delete callback to the internal release_sentinel() function. This lock is known as Threading._tstate_lock in the threading module. The release_sentinel() function uses the Python C API. The problem is that on_delete is called late in the Python finalization, when the C API is no longer fully working. The PyThreadState_Clear() function now calls the PyThreadState.on_delete callback. Previously, that happened in PyThreadState_Delete(). The release_sentinel() function is now called when the C API is still fully working.
* Doc: Fix s/pseudo random/pseudo-random/ (GH-18289)Julien Palard2020-01-311-2/+2
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* bpo-38631: Replace Py_FatalError() with assert() in ceval.c (GH-18279)Victor Stinner2020-01-301-1/+1
| | | | | | | Replace a few Py_FatalError() calls if tstate is NULL with assert(tstate != NULL) in ceval.c. PyEval_AcquireThread(), PyEval_ReleaseThread() and PyEval_RestoreThread() must never be called with a NULL tstate.
* bpo-39353: binascii.crc_hqx() is no longer deprecated (GH-18276)Victor Stinner2020-01-302-3/+0
| | | The binascii.crc_hqx() function is no longer deprecated.
* Improve grammar in the import system reference documentation (GH-18209)Bonifacio de Oliveira2020-01-301-1/+1
| | | | | Replaced the period with a comma. Automerge-Triggered-By: @Mariatta
* Doc: Fix external links to functional programming tutorial. (GH-18249)Julien Palard2020-01-291-3/+3
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* bpo-39153: Clarify C API *SetItem refcounting semantics (GH-18220)Joannah Nanjekye2020-01-293-6/+9
| | | | | | | | | | | | Some of the *SetItem methods in the C API steal a reference to the given value. This annotates the better behaved ones to assure the reader that these are not the ones with the inconsistent behaviour. * šŸ“œšŸ¤– Added by blurb_it. * make docs consistent with signature Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
* bpo-36350: inspect: Replace OrderedDict with dict. (GH-12412)RĆ©mi Lapeyre2020-01-281-8/+14
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* bpo-39287: Doc: Add UTF-8 mode section in using/windows. (GH-17935)Inada Naoki2020-01-282-2/+44
| | | Co-Authored-By: Kyle Stanley <aeros167@gmail.com>
* bpo-36018: Minor fixes to the NormalDist() examples and recipes. (GH-18226)Raymond Hettinger2020-01-281-5/+5
| | | | | * Change the source for the SAT data to a primary source. * Fix typo in the standard deviation * Clarify that the binomial probabalities are just for the Python room.
* bpo-39392: Turtle overlap fill depends on OS (#18223)Terry Jan Reedy2020-01-271-0/+5
| | | | | Whether or not overlap regions for self-intersecting polygons or multiple shapes are filled depends on the operating system graphics, typeof overlap, and number of overlaps.
* bpo-39320: Handle unpacking of **values in compiler (GH-18141)Mark Shannon2020-01-271-14/+7
| | | | | | | | | | | | | * Add DICT_UPDATE and DICT_MERGE bytecodes. Use them for ** unpacking. * Remove BUILD_MAP_UNPACK and BUILD_MAP_UNPACK_WITH_CALL, as they are now unused. * Update magic number for ** unpacking opcodes. * Update dis.rst to incorporate new bytecodes. * Add blurb entry.
* bpo-36018: Add another example for NormalDist() (#18191)Raymond Hettinger2020-01-261-0/+36
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* bpo-39374: Updated sorting documentation (GH-18177)Juhana Jauhiainen2020-01-251-4/+6
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* bpo-36654: Add examples for using tokenize module programmically (#12947)Windson yang2020-01-251-0/+19
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* bpo-15243: Document __prepare__ as classmethod (GH-17124)alclarks2020-01-251-1/+2
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