Commit Graph

24407 Commits

Author SHA1 Message Date
Erlend Egeberg Aasland ddb5e11683
bpo-24464: Deprecate sqlite3.enable_shared_cache (GH-24008) 2021-01-06 02:36:04 +02:00
Erlend Egeberg Aasland cf0b23908c
bpo-40810: Require SQLite 3.7.15 (GH-24106) 2021-01-06 02:02:43 +02:00
Erlend Egeberg Aasland dd74c01d3b
bpo-42584: Update Windows installer to use SQLite 3.34.0 (GH-23675) 2021-01-05 22:01:56 +00:00
Steve Dower afb7144378
bpo-41837: Updated Windows installer to include OpenSSL 1.1.1i (GH-24125) 2021-01-05 21:35:01 +00:00
Mark Shannon ee9f98d9f4
bpo-42823: Fix frame lineno when frame.f_trace is set (GH-24099)
* Add test for frame.f_lineno with/without tracing.

* Make sure that frame.f_lineno is correct regardless of whether frame.f_trace is set.

* Update importlib

* Add NEWS
2021-01-05 12:04:10 +00:00
Cheryl Sabella e40e2a2cc9
bpo-32631: IDLE: Enable zzdummy example extension module (GH-14491)
Make menu items work with formatter, add docstrings, add 100% tests.

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
2021-01-05 02:26:43 -05:00
Brandt Bucher cde988e893
Fix broken NEWS markup (GH-24110) 2021-01-04 22:55:14 -08:00
Erlend Egeberg Aasland f7f0ed59bc
bpo-40810: Fix CheckTraceCallbackContent for SQLite pre 3.7.15 (GH-20530)
Ref. [SQLite 3.7.15 changelog](https://sqlite.org/changes.html#version_3_7_15):
_"Avoid invoking the sqlite3_trace() callback multiple times when a statement is automatically reprepared due to SQLITE_SCHEMA errors."_
2021-01-04 15:16:43 -08:00
Erlend Egeberg Aasland 0b858cdd5d
bpo-1635741: Convert _multibytecodec to multi-phase init (GH-24095)
Convert the _multibytecodec extension module (CJK codecs) to multi-phase
initialization (PEP 489).
2021-01-04 22:33:45 +01:00
Pablo Galindo 445f7f54b1
Python 3.10.0a4 2021-01-04 17:26:00 +00:00
Mohamed Koubaa c8a87addb1
bpo-1635741: Port pyexpat to multi-phase init (PEP 489) (GH-22222) 2021-01-04 15:34:26 +01:00
Joshua Root df21f502fd
bpo-42692: fix __builtin_available check on older compilers (GH-23873)
A compiler that doesn't define `__has_builtin` will error out when it is
used on the same line as the check for it.

Automerge-Triggered-By: GH:ronaldoussoren
2021-01-04 02:36:58 -08:00
Ned Deily a38e04b566
bpo-42361: Update macOS installer build to use Tcl/Tk 8.6.11 (GH-24081)
As of 2021-01-03, Tcl/Tk 8.6.11rc2 is expected to be the final release.
2021-01-04 04:43:11 -05:00
Ned Deily 14097a2785
bpo-41837: Update macOS installer build to use OpenSSL 1.1.1i. (GH-24080) 2021-01-04 04:39:47 -05:00
Erlend Egeberg Aasland c94ee13ad5
bpo-42584: Update macOS installer to use SQLite 3.34.0 (GH-23674) 2021-01-03 23:48:19 -05:00
Serhiy Storchaka 1470edd613
bpo-42681: Fix range checks for color and pair numbers in curses (GH-23874) 2021-01-03 22:51:11 +02:00
Zackery Spytz 5d3553b0a8
bpo-42814: Fix undefined behavior in Objects/genericaliasobject.c (GH-24073)
In is_typing_name(), va_end() is not always called before the
function returns.  It is undefined behavior to call va_start()
without also calling va_end().
2021-01-03 13:18:25 +01:00
Pablo Galindo bd2728b1e8
bpo-42806: Fix ast locations of f-strings inside parentheses (GH-24067) 2021-01-03 01:11:41 +00:00
Lysandros Nikolaou 2ea320dddd
bpo-40631: Disallow single parenthesized star target (GH-24027) 2021-01-03 01:14:21 +02:00
Raymond Hettinger 768fa145cf
bpo-42772: Step argument ignored when stop is None. (GH-24018) 2021-01-02 10:24:51 -08:00
Erlend Egeberg Aasland 75bf107c62
bpo-40077: Convert arraymodule to use heap types and establish module state (GH-23124) 2021-01-02 17:38:47 +01:00
Kurochan d9142831ba
handle empty string in variable executable in platform.libc_ver() (#23140) 2021-01-02 17:03:53 +01:00
Ross 3bf05327c2
bpo-42756: Configure LMTP Unix-domain socket to use global default timeout when timeout not provided (GH-23969) 2021-01-02 02:20:25 +09:00
Dong-hee Na ec3165320e
bpo-42794: Update test_nntplib to use offical group name for testing (GH-24037) 2021-01-01 23:20:33 +09:00
Jason R. Coombs b5711c940f
bpo-37193: Remove thread objects which finished process its request (GH-23127)
This reverts commit aca67da4fe.
2020-12-31 20:19:30 +00:00
Jason R. Coombs a6fd0f414c
bpo-42163, bpo-42189, bpo-42659: Support uname_tuple._replace (for all but processor) (#23010)
* Add test capturing missed expectation with uname_result._replace.

* bpo-42163: Override uname_result._make to allow uname_result._replace to work (for everything but 'processor'.

* Replace hard-coded length with one derived from the definition.

* Add test capturing missed expectation with copy/deepcopy on namedtuple (bpo-42189).

* bpo-42189: Exclude processor parameter when constructing uname_result.

* In _make, rely on __new__ to strip processor.

* Add blurb.

* iter is not necessary here.

* Rely on num_fields in __new__

* Add test for slices on uname

* Add test for copy and pickle.

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

* import pickle

* Fix equality test after pickling.

* Simply rely on __reduce__ for pickling.

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
2020-12-31 14:08:03 -05:00
Jason R. Coombs dfdca85dfa
bpo-42382: In importlib.metadata, `EntryPoint` objects now expose `dist` (#23758)
* bpo-42382: In importlib.metadata, `EntryPoint` objects now expose a `.dist` object referencing the `Distribution` when constructed from a `Distribution`.

Also, sync importlib_metadata 3.3:

- Add support for package discovery under package normalization rules.
- The object returned by `metadata()` now has a formally-defined protocol called `PackageMetadata` with declared support for the `.get_all()` method.

* Add blurb

* Remove latent footnote.
2020-12-31 12:56:43 -05:00
Erlend Egeberg Aasland f4936ad1c4
bpo-42393: Raise OverflowError iso. DeprecationWarning on overflow in socket.ntohs and socket.htons (GH-23980) 2020-12-31 15:16:50 +02:00
Brandon Stansbury 9655434cca
bpo-39068: Fix race condition in base64 (GH-17627)
There was a race condition in base64 in lazy initialization of multiple globals.
2020-12-31 11:44:46 +02:00
pxinwr 277ce3060b
bpo-27640: Add --disable-test-modules configure option (GH-23886)
Added --disable-test-modules option to the configure script:
don't build nor install test modules.

Patch by Xavier de Gaye, Thomas Petazzoni and Peixing Xin.

Co-Authored-By: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Co-Authored-By: Xavier de Gaye <xdegaye@gmail.com>
2020-12-30 13:50:39 +01:00
Yurii Karabas c56387f80c
bpo-27794: Add `name` attribute to `property` class (GH-23967) 2020-12-30 01:51:24 -08:00
Petr Viktorin 056c08211b
bpo-40052: Fix alignment issue in PyVectorcall_Function() (GH-23999)
```
In file included from /usr/include/python3.8/Python.h:147:
In file included from /usr/include/python3.8/abstract.h:837:
/usr/include/python3.8/cpython/abstract.h:91:11: error: cast from 'char *' to 'vectorcallfunc *'
(aka 'struct _object *(**)(struct _object *, struct _object *const *, unsigned long, struct _object *)')
increases required alignment from 1 to 8 [-Werror,-Wcast-align]

    ptr = (vectorcallfunc*)(((char *)callable) + offset);
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
```
Co-Authored-By: Andreas Schneider <asn@cryptomilk.org>
Co-Authored-By: Antoine Pitrou <antoine@python.org>
2020-12-29 15:32:07 -08:00
Jakub Kulík 0159e5efee
bpo-42655: Fix subprocess extra_groups gid conversion (GH-23762) 2020-12-29 14:58:27 +02:00
Hai Shi dd39123970
bpo-40137: Convert _functools module to use PyType_FromModuleAndSpec. (GH-23405) 2020-12-29 04:45:07 -08:00
Senthil Kumaran 030a713183
Allow / character in username,password fields in _PROXY envvars. (#23973) 2020-12-29 04:18:42 -08:00
Zackery Spytz 40c2c83899
Fix typo in NEWS (GH23958) 2020-12-29 13:50:22 +02:00
Serhiy Storchaka 1df56bc059
bpo-42759: Fix equality comparison of Variable and Font in Tkinter (GH-23968)
Objects which belong to different Tcl interpreters are now always
different, even if they have the same name.
2020-12-29 12:56:55 +02:00
Ken Jin efb1f0918f
bpo-42740: Support PEP 604, 612 for typing.py get_args and get_origin (GH-23942) 2020-12-28 18:26:19 -08:00
Raymond Hettinger a9621bb301
bpo-42222: Modernize integer test/conversion in randrange() (#23064) 2020-12-28 11:10:34 -08:00
Shantanu 7865f516f3
bpo-16396: fix BPO number in changelog (GH-23951)
Automerge-Triggered-By: GH:jaraco
2020-12-26 07:36:56 -08:00
Victor Stinner ea251806b8
bpo-40521: Per-interpreter interned strings (GH-20085)
Make the Unicode dictionary of interned strings compatible with
subinterpreters.

Remove the INTERN_NAME_STRINGS macro in typeobject.c: names are
always now interned (even if EXPERIMENTAL_ISOLATED_SUBINTERPRETERS
macro is defined).

_PyUnicode_ClearInterned() now uses PyDict_Next() to no longer
allocate memory, to ensure that the interned dictionary is cleared.
2020-12-26 02:58:33 +01:00
Victor Stinner 4101018488
bpo-42745: Make the type cache per-interpreter (GH-23947)
Make the type attribute lookup cache per-interpreter.

Add private _PyType_InitCache() function, called by PyInterpreterState_New().

Continue to share next_version_tag between interpreters, since static
types are still shared by interpreters.

Remove MCACHE macro: the cache is no longer disabled if the
EXPERIMENTAL_ISOLATED_SUBINTERPRETERS macro is defined.
2020-12-26 01:45:43 +01:00
Victor Stinner ba3d67c2fb
bpo-39465: Fix _PyUnicode_FromId() for subinterpreters (GH-20058)
Make _PyUnicode_FromId() function compatible with subinterpreters.
Each interpreter now has an array of identifier objects (interned
strings decoded from UTF-8).

* Add PyInterpreterState.unicode.identifiers: array of identifiers
  objects.
* Add _PyRuntimeState.unicode_ids used to allocate unique indexes
  to _Py_Identifier.
* Rewrite the _Py_Identifier structure.

Microbenchmark on _PyUnicode_FromId(&PyId_a) with _Py_IDENTIFIER(a):

[ref] 2.42 ns +- 0.00 ns -> [atomic] 3.39 ns +- 0.00 ns: 1.40x slower

This change adds 1 ns per _PyUnicode_FromId() call in average.
2020-12-26 00:41:46 +01:00
Desmond Cheong 36a779e64c
bpo-35728: Add root parameter to tkinter.font.nametofont() (GH-23885) 2020-12-25 23:18:06 +02:00
Serhiy Storchaka 675c97eb6c
bpo-42721: Improve using simple dialogs without root window (GH-23897)
When simple query dialogs (tkinter.simpledialog), message boxes
(tkinter.messagebox) or color choose dialog (tkinter.colorchooser)
are created without arguments master and parent, and the default
root window is not yet created, a new temporary hidden root window
will be created automatically. It will not be set as the default root
window and will be destroyed right after closing the dialog window.
It will help to use these simple dialog windows in programs which do
not need other GUI.

Previously, message boxes and color chooser created the blank root
window and left it after closing the dialog window, and query dialogs
just raised an exception.

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
2020-12-25 20:19:20 +02:00
Irit Katriel 586f3dbe15
bpo-28964: add line number of node (if available) to ast.literal_eval error messages (GH-23677) 2020-12-25 20:04:31 +03:00
Serhiy Storchaka bb70b2afe3
bpo-15303: Support widgets with boolean value False in Tkinter (GH-23904)
Use `widget is None` instead of checking the boolean value of a widget.
2020-12-25 17:04:26 +02:00
Erlend Egeberg Aasland 7f162e867c
bpo-29076: Add fish support to macOS installer (GH-23302) 2020-12-25 03:01:30 -08:00
Gregory P. Smith 64abf37344
bpo-42388: Fix subprocess.check_output input=None when text=True (GH-23467)
When the modern text= spelling of the universal_newlines= parameter was added
for Python 3.7, check_output's special case around input=None was overlooked.
So it behaved differently with universal_newlines=True vs text=True.  This
reconciles the behavior to be consistent and adds a test to guarantee it.

Also clarifies the existing check_output documentation.

Co-authored-by: Alexey Izbyshev <izbyshev@ispras.ru>
2020-12-24 20:57:21 -08:00
Gregory P. Smith 8badadec53
bpo-42727: Fix the NEWS entry .rst (GH-23932)
It was causing CI failures.  the offending file came from https://github.com/python/cpython/pull/23917

```
python3 tools/rstlint.py ../Misc/NEWS.d/next/
[2] ../Misc/NEWS.d/next/Library/2020-12-23-19-43-06.bpo-42727.WH3ODh.rst:1: default role used
[2] ../Misc/NEWS.d/next/Library/2020-12-23-19-43-06.bpo-42727.WH3ODh.rst:2: default role used
2 problems with severity 2 found.
Makefile:204: recipe for target 'check' failed
```
2020-12-24 20:31:18 -08:00
Serhiy Storchaka c6c43b2874
bpo-42685: Improve placing of simple query windows. (GH-23856)
* If parent is specified and mapped, the query widget is
  centered at the center of parent. Its position and size
  can be corrected so that it fits in the virtual root window.
* Otherwise it is centered at the center of the screen.
2020-12-24 20:26:28 +02:00
Ethan Furman 6ec0adefad
[Enum] EnumMeta.__prepare__ now accepts **kwds (#23917) 2020-12-24 10:05:02 -08:00
Augusto Hack b57ada98da
closes bpo-42726: gdb libpython: InstanceProxy support for py3 (GH-23912)
On Fedora 31 gdb is using python 3.7.9, calling `proxyval` on an instance with a dictionary fails because of the `dict.iteritems` usage. This PR changes the code to be compatible with py2 and py3.

This changed seemed small enough to not need an issue and news blurb, if one is required please let me know.

Automerge-Triggered-By: GH:benjaminp
2020-12-24 09:16:04 -08:00
kj 73607be686
bpo-41559: Implement PEP 612 - Add ParamSpec and Concatenate to typing (#23702) 2020-12-23 20:33:48 -08:00
Raymond Hettinger cc3467a57b
bpo-38308: Add optional weighting to statistics.harmonic_mean() (GH-23914) 2020-12-23 19:52:09 -08:00
Batuhan Taskaya eee1c7745a
bpo-41960: Add globalns and localns parameters to inspect.signature and Signature.from_callable (GH-22583) 2020-12-24 01:45:13 +03:00
Raymond Hettinger 6b1ac809b9
bpo-25246: Optimize deque.remove() (GH-23898) 2020-12-23 11:45:06 -08:00
Victor Stinner a12491681f
bpo-32381: pymain_run_command() uses PyCF_IGNORE_COOKIE (GH-23724)
The coding cookie (ex: "# coding: latin1") is now ignored in the
command passed to the -c command line option.

Since pymain_run_command() uses UTF-8, pass PyCF_IGNORE_COOKIE
compiler flag to the parser.

pymain_run_python() no longer propages compiler flags between
function calls.
2020-12-23 19:16:56 +01:00
Raymond Hettinger 41b223d29c
bpo-9694: Fix misleading phrase "optional arguments" (GH-23858) 2020-12-23 09:40:56 -08:00
Mark Shannon 28b75c80dc
bpo-42246: Don't eliminate jumps to jumps, if it will break PEP 626. (GH-23896) 2020-12-23 11:43:10 +00:00
Christian Heimes 6d9ec8bbfa
bpo-1635741: Port resource extension module to module state (GH-23462)
Signed-off-by: Christian Heimes <christian@python.org>
2020-12-23 08:55:11 +01:00
Irit Katriel 069560b117
bpo-34463: Make python tracebacks identical to C tracebacks for SyntaxErrors without a lineno (GH-23427) 2020-12-22 21:53:09 +02:00
AMIR b8fde8b541
bpo-42008: Fix internal _random.Random() seeding for the one argument case (GH-22668) 2020-12-21 15:45:50 -08:00
pxinwr ab74c014ae
bpo-31904: Fix site and sysconfig modules for VxWorks RTOS (GH-21821) 2020-12-20 23:27:42 +01:00
Colin Watson c95f8bc270
bpo-42669: Document that `except` rejects nested tuples (GH-23822)
In Python 2, it was possible to use `except` with a nested tuple, and occasionally natural.  For example, `zope.formlib.interfaces.InputErrors` is a tuple of several exception classes, and one might reasonably think to do something like this:

    try:
        self.getInputValue()
        return True
    except (InputErrors, SomethingElse):
        return False

As of Python 3.0, this raises `TypeError: catching classes that do not inherit from BaseException is not allowed` instead: one must instead either break it up into multiple `except` clauses or flatten the tuple.  However, the reference documentation was never updated to match this new restriction.  Make it clear that the definition is no longer recursive.

Automerge-Triggered-By: GH:ericvsmith
2020-12-20 10:24:10 -08:00
Matti Picus a44ce6c9f7
bpo-42604: always set EXT_SUFFIX=${SOABI}${SHLIB_SUFFIX} when using configure (GH-23708)
Now all platforms use a value for the "EXT_SUFFIX" build variable derived
from SOABI (for instance in FreeBSD, "EXT_SUFFIX" is now ".cpython-310d.so"
instead of ".so"). Previously only Linux, Mac and VxWorks were using a value
for "EXT_SUFFIX" that included "SOABI".

Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
2020-12-20 02:56:57 +00:00
Serhiy Storchaka 3d569fd6dc
bpo-42630: Improve error reporting in Tkinter for absent default root (GH-23781)
* Tkinter functions and constructors which need a default root window
  raise now RuntimeError with descriptive message instead of obscure
  AttributeError or NameError if it is not created yet or cannot
  be created automatically.

* Add tests for all functions which use default root window.

* Fix import in the pynche script.
2020-12-19 12:17:08 +02:00
masklinn 1e27b57dbc
bpo-42470: Do not warn on sequences which are also sets in random.sample() (GH-23665) 2020-12-18 20:33:36 -08:00
Casper Smet e009612476
Fixed typo in itertools documentation (GH-23816) 2020-12-18 20:28:21 -08:00
Irit Katriel fb34096140
bpo-24792: Fix zipimporter masking the cause of import errors (GH-22204)
zipimport's _unmarshal_code swallows import errors and then _get_module_code doesn't know the cause of the error, and returns the generic, and sometimes incorrect, 'could not find...'.

Automerge-Triggered-By: GH:brettcannon
2020-12-18 16:09:54 -08:00
Ammar Askar 8c5d0347ef
bpo-34398: Allow glossary results to show up on search page (GH-8773) 2020-12-18 20:00:51 +01:00
Richard Kojedzinszky 17ef4319a3
bpo-41891: ensure asyncio.wait_for waits for task completion (#22461) 2020-12-18 09:26:04 -08:00
Matt Wozniski 84ebcf271a
bpo-17140: Document multiprocessing's ThreadPool (GH-23812)
Up until now, the `multiprocessing.pool.ThreadPool` class has gone
undocumented, despite being a public class in multiprocessing that is
included in `multiprocessing.pool.__all__`.
2020-12-18 13:05:46 +00:00
Julien Palard b9735420aa
bpo-42238: Check Misc/NEWS.d/next/ for reStructuredText issues. (GH-23802) 2020-12-18 10:48:08 +01:00
Victor Stinner 6104013838
bpo-1635741: Port _thread to multiphase init (GH-23811)
Port the _thread extension module to the multiphase initialization
API (PEP 489) and convert its static types to heap types.

Add a traverse function to the lock type, so the garbage collector
can break reference cycles.
2020-12-18 01:39:00 +01:00
Max Bernstein 6e799be0a1
bpo-42199: Fix bytecode_helper assertNotInBytecode (#23031)
* bpo-42199: Fix bytecode_helper assertNotInBytecode

Add tests.

* 📜🤖 Added by blurb_it.

Co-authored-by: Dino Viehland <dinoviehland@fb.com>
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
2020-12-17 16:30:29 -08:00
pxinwr 75dabfe7a8
bpo-31904: posixpath.expanduser() handles None user home on VxWorks (GH-23530) 2020-12-17 20:22:29 +01:00
Mark Shannon bf353f3c2d
bpo-42246: Make sure that `f_lasti`, and thus `f_lineno`, is set correctly after raising or reraising an exception (GH-23803)
* Ensure that f_lasti is set correctly after an exception is raised to conform to PEP 626.

* Update importlib

* Add NEWS.
2020-12-17 13:55:28 +00:00
pxinwr ba760f3710
bpo-31904: Skip some asyncio tests on VxWorks (#23815) 2020-12-17 12:04:47 +02:00
Daniel Hahler 051b981867
bpo-37961: Fix regression in tracemalloc.Traceback.__repr__ (GH-23805)
Regression in 8d59eb1b66.
2020-12-16 22:38:32 +01:00
Julien Palard 37caeb172b
Fix reStructuredText typo in NEWS.d. (GH-23800) 2020-12-16 16:22:19 +01:00
Om G c71581c7a4
bpo-42615: Delete redundant jump instructions that only bypass empty blocks (GH-23733)
* Delete jump instructions that bypass empty blocks

* Add news entry

* Explicitly check for unconditional jump opcodes

Using the is_jump function results in the inclusion of instructions like
returns for which this optimization is not really valid. So, instead
explicitly check that the instruction is an unconditional jump.

* Handle conditional jumps, delete jumps gracefully

* Ensure b_nofallthrough and b_reachable are valid

* Add test for redundant jumps

* Regenerate importlib.h and edit Misc/ACKS

* Fix bad whitespace
2020-12-16 12:18:05 +00:00
Victor Stinner 1c653f17cb
bpo-42613: Fix freeze.py config directory (GH-23792)
Fix freeze.py tool to use the prope config and library directories.
2020-12-16 12:12:36 +01:00
Matthias Bussonnier b32d8b4f9b
bpo-42644: Validate values in logging.disable() (#23786)
* bpo-42644: Validate values in logging.disable()

Technically make the value of manager a property that checks and convert
values assigned to it properly. This has the side effect of making
`logging.disable` also accept strings representing the various level of
warnings.

We want to validate the type of the disable attribute at assignment
time, as it is later compared to other levels when emitting warnings and
would generate a `TypeError: '>=' not supported between ....` in a
different part of the code base, which can make it difficult to track
down.

When assigned an incorrect value; it will raise a TypeError when the
wrong type, or ValueError if an invalid str.

Co-authored-by: Andrew Svetlov <andrew.svetlov@gmail.com>
2020-12-16 11:43:39 +02:00
Jason R. Coombs 928dbfc16c
bpo-42090: zipfile.Path.joinpath now accepts multiple arguments (GH-22976)
Automerge-Triggered-By: GH:jaraco
2020-12-15 18:12:54 -08:00
pxinwr 9a0dea6137
bpo-31904: Skip some tests of changing owner in _test_all_chown_common() on VxWorks (GH-23716) 2020-12-15 22:21:53 +01:00
pxinwr e1e3c2dac3
bpo-31904: Disable os.popen and popen test cases on VxWorks (GH-21687) 2020-12-15 22:20:07 +01:00
E-Paine b9ced83cf4
bpo-40219: Lowered ttk LabeledScale dummy (GH-21467) 2020-12-15 21:42:55 +02:00
Victor Stinner 7f14a3756b
bpo-42641: Enhance test_select.test_select() (GH-23782)
Enhance test_select.test_select(): it now takes 500 ms rather than 10
seconds.

* Use Python rather than a shell as the child process to make the
  test more portable.
* Use a sleep of 50 ms per line rather than 1 second.
* Use subprocess.Popen rather than os.popen().
2020-12-15 18:06:36 +01:00
Victor Stinner 3ca2b8fd75
bpo-42639: atexit._run_exitfuncs() uses sys.unraisablehook (GH-23779)
atexit._run_exitfuncs() now logs callback exceptions using
sys.unraisablehook, rather than logging them directly into
sys.stderr and raising the last exception.

Run GeneralTest of test_atexit in a subprocess since it calls
atexit._clear() which clears all atexit callbacks.

_PyAtExit_Fini() sets state->callbacks to NULL.
2020-12-15 17:12:02 +01:00
Petr Viktorin 6a02b38475
bpo-14935: Remove static state from the _csv module (GH-23224)
Uses code from: https://github.com/python/cpython/pull/16078

Co-authored-by: Marcel Plch <gmarcel.plch@gmail.com>
Co-authored-by: Eddie Elizondo <eduardo.elizondorueda@gmail.com>
Co-authored-by: Hai Shi <shihai1992@gmail.com>
2020-12-15 15:14:35 +01:00
Victor Stinner b8fa135908
bpo-42639: Move atexit state to PyInterpreterState (GH-23763)
* Add _PyAtExit_Call() function and remove pyexitfunc and
  pyexitmodule members of PyInterpreterState. The function
  logs atexit callback errors using _PyErr_WriteUnraisableMsg().
* Add _PyAtExit_Init() and _PyAtExit_Fini() functions.
* Remove traverse, clear and free functions of the atexit module.

Co-authored-by: Dong-hee Na <donghee.na@python.org>
2020-12-15 14:34:19 +01:00
pxinwr c117426bf8
bpo-31904: Enable libpython3.so shared library for VxWorks (GH-23741) 2020-12-14 23:14:43 +01:00
Victor Stinner 357704c9f2
bpo-42639: atexit now logs callbacks exceptions (GH-23771)
At Python exit, if a callback registered with atexit.register()
fails, its exception is now logged. Previously, only some exceptions
were logged, and the last exception was always silently ignored.

Add _PyAtExit_Call() function and remove
PyInterpreterState.atexit_func member. call_py_exitfuncs() now calls
directly _PyAtExit_Call().

The atexit module must now always be built as a built-in module.
2020-12-14 23:07:54 +01:00
vabr-g fdb9efce6a
bpo-41877: Check for misspelled speccing arguments (GH-23737)
patch, patch.object and create_autospec silently ignore misspelled
arguments such as autospect, auto_spec and set_spec. This can lead
to tests failing to check what they are supposed to check.

This change adds a check causing a RuntimeError if the above
functions get any of the above misspellings as arguments. It also
adds a new argument, "unsafe", which can be set to True to disable
this check.

Also add "!r" to format specifiers in added error messages.
2020-12-14 10:30:09 -08:00
Gregory P. Smith 42c9f0fd0a
bpo-36541: Add lib2to3 grammar PEP-570 pos-only arg parsing (GH-23759)
Add positional only args support to lib2to3 pgen2.

This adds 3.8's PEP-570 support to lib2to3's pgen2.  lib2to3, while
being deprecated is still used by things to parse all versions of Python
code today.  We need it to support parsing modern 3.8 and 3.9 constructs.

Also add tests for complex *expr and **expr's.
2020-12-14 09:10:10 -08:00
Joshua Root 674fa0a740
bpo-42598: Fix implicit function declarations in configure (GH-23690)
This is invalid in C99 and later and is an error with some compilers
(e.g. clang in Xcode 12), and can thus cause configure checks to
produce incorrect results.
2020-12-13 15:56:34 -05:00
kj 463c7d3d14
bpo-42195: Ensure consistency of Callable's __args__ in collections.abc and typing (GH-23060) 2020-12-13 10:38:24 -08:00
Pablo Galindo 43c4fb6c90
bpo-30858: Improve error location for expressions with assignments (GH-23753)
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
2020-12-13 16:46:48 +00:00
Ethan Furman b5a6db9111
bpo-39717: [tarfile] update nested exception raising (GH-23739)
- `from None` if the new exception uses, or doesn't need, the previous one
- `from e` if the previous exception is still relevant
2020-12-12 13:26:44 -08:00
Alex Grönholm 67b769f515
bpo-42059: Fix required/optional keys for TypedDict(..., total=False) (GH-22736) 2020-12-10 13:49:05 -08:00
Ethan Furman a658287179
bpo-34750: [Enum] add `_EnumDict.update()` support (GH-23725)
This allows easier Enum construction in unusual cases, such as including dynamic member definitions into a class definition:

# created dynamically
foo_defines = {'FOO_CAT': 'aloof', 'BAR_DOG': 'friendly', 'FOO_HORSE': 'big'}

class Foo(Enum):
    vars().update({
            k: v
            for k, v in foo_defines.items()
            if k.startswith('FOO_')
            })
    def upper(self):
        # example method
        return self.value.upper()
2020-12-10 13:07:00 -08:00
Ethan Furman efb13be72c
bpo-42385: [Enum] add `_generate_next_value_` to StrEnum (GH-23735)
The default for auto() is to return an integer, which doesn't work for `StrEnum`.  The new `_generate_next_value_` for `StrEnum` returns the member name, lower cased.
2020-12-10 12:20:06 -08:00
vabr-g 9fc571359a
bpo-41877: Improve docs for assert misspellings check in mock (GH-23729)
This is a follow-up to
4662fa9bfe.
That original commit expanded guards against misspelling assertions on
mocks. This follow-up updates the documentation and improves the error
message by pointing out the potential cause and solution.

Automerge-Triggered-By: GH:gpshead
2020-12-10 10:35:28 -08:00
Victor Stinner b5c7b38f5e
bpo-42591: Export missing Py_FrozenMain() symbol (GH-23730)
Export the Py_FrozenMain() function: fix a Python 3.9.0 regression.
Python 3.9 uses -fvisibility=hidden and the function was not exported
explicitly and so not exported.

Add also Py_FrozenMain to the stable ABI on Windows.
2020-12-10 18:39:17 +01:00
Ethan Furman 7cf0aad96d
bpo-42517: [Enum] do not convert private names into members (GH-23722)
private names, such as `_Color__hue` and `_Color__hue_` are now normal attributes, and do not become members nor raise exceptions
2020-12-09 17:12:11 -08:00
Ethan Furman 6bd94de168
bpo-42567: [Enum] call __init_subclass__ after members are added (GH-23714)
When creating an Enum, type.__new__ calls __init_subclass__, but at that point the members have not been added.

This patch suppresses the initial call, then manually calls the ancestor __init_subclass__ before returning the new Enum class.
2020-12-09 16:41:22 -08:00
pxinwr d5dcb65317
bpo-31904: Define THREAD_STACK_SIZE for VxWorks (GH-23718) 2020-12-09 22:47:28 +01:00
Victor Stinner ca06440207
bpo-32381: Remove unused _Py_fopen() function (GH-23711)
Remove the private _Py_fopen() function which is no longer needed.
Use _Py_wfopen() or _Py_fopen_obj() instead.
2020-12-09 20:54:31 +01:00
pxinwr 98a5417193
bpo-41439: Skip test_ssl and test_uuid tests if fork() is not supported (GH-21684) 2020-12-09 00:20:19 +01:00
pxinwr eb7594f857
bpo-41443: Add more attribute checking in test_posix (GH-21688) 2020-12-09 00:18:37 +01:00
Ethan Furman 37440eef7f
bpo-41907: [Enum] fix format() behavior for IntFlag (GH-22497) 2020-12-08 11:14:10 -08:00
Petr Viktorin c168b5078f
bpo-42111: Make the xxlimited module an example of best extension module practices (GH-23226)
- Copy existing xxlimited to xxlimited53 (named for the limited API version it uses)
- Build both modules, both in debug and release
- Test both modules
2020-12-08 08:36:53 -08:00
Terry Jan Reedy 4aa67853cc
bpo-41910: move news entry (GH-23695) 2020-12-08 10:29:49 -05:00
Victor Stinner b6d98c10ff
bpo-32381: Fix PyRun_SimpleFileExFlags() encoding (GH-23642)
Fix encoding name when running a ".pyc" file on Windows:
PyRun_SimpleFileExFlags() now uses the correct encoding to decode the
filename.

* Add pyrun_file() subfunction.
* Add pyrun_simple_file() subfunction.
* PyRun_SimpleFileExFlags() now calls _Py_fopen_obj() rather than
  _Py_fopen().
2020-12-08 14:38:08 +01:00
Pablo Galindo 0914a48776 Python 3.10.0a3
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Merge tag 'v3.10.0a3'

Python 3.10.0a3
2020-12-08 02:30:25 +00:00
pxinwr 06afac6c57
bpo-41462: Add os.set_blocking() support for VxWorks RTOS (GH-21713) 2020-12-07 21:41:12 +01:00
Pablo Galindo 8bae2a958e
Python 3.10.0a3 2020-12-07 19:34:10 +00:00
Matti Picus c0afb7fa0e
bpo-39825: Fixes sysconfig.get_config_var('EXT_SUFFIX') on Windows to match distutils (GH-22088) 2020-12-07 17:33:20 +00:00
Victor Stinner 0ef96c2b2a
bpo-30459: Cast the result of PyCell_SET to void (GH-23654) 2020-12-07 11:56:20 +01:00
Ethan Furman c266736ec1
bpo-41889: [Enum] fix multiple-inheritance regression (GH-22487) 2020-12-07 00:17:31 -08:00
Terry Jan Reedy 57e5113610
bpo-42508: Keep IDLE running on macOS (GH-23577)
Remove obsolete workaround that prevented running files with
shortcuts when using new universal2 installers built on macOS 11.
Ignore buggy 2nd run_module_event call.
2020-12-06 22:22:33 -05:00
kj 6a7fb9d31b
bpo-42576: Clarify only debug builds are affected in news (GH-23663) 2020-12-06 08:37:59 -08:00
idanw206 c598a04dd2
bpo-42532: Check if NonCallableMock's spec_arg is not None instead of call its __bool__ function (GH23613)
Check if NonCallableMock's spec_arg is not None instead of call its __bool__ function
2020-12-06 09:59:36 +00:00
kj 804d6893b8
bpo-42576: Raise TypeError when passing in keyword arguments to GenericAlias (GH-23656)
Use `_PyArg_NoKeywords` instead of `_PyArg_NoKwnames` when checking the `kwds` tuple when creating `GenericAlias`. This fixes an interpreter crash when passing in keyword arguments to `GenericAlias`'s constructor.

Needs backport to 3.9.

Automerge-Triggered-By: GH:gvanrossum
2020-12-05 08:02:14 -08:00
Senthil Kumaran da3d2abe6b
GH-5054: CGIHTTPRequestHandler.run_cgi() HTTP_ACCEPT improperly parsed (#23638) 2020-12-05 05:26:24 -08:00
Zackery Spytz 556d97f473
bpo-30459: Cast the result of PyList_SET_ITEM() to void (GH-19975)
Do the same for PyTuple_SET_ITEM().
2020-12-05 11:34:51 +01:00
Brandt Bucher 226a012d1c
bpo-42536: GC track recycled tuples (GH-23623)
Several built-in and standard library types now ensure that their internal result tuples are always tracked by the garbage collector:

- collections.OrderedDict.items
- dict.items
- enumerate
- functools.reduce
- itertools.combinations
- itertools.combinations_with_replacement
- itertools.permutations
- itertools.product
- itertools.zip_longest
- zip

Previously, they could have become untracked by a prior garbage collection.
2020-12-04 19:45:57 -08:00
Brett Cannon 2de5097ba4
bpo-26131: Deprecate usage of load_module() (GH-23469)
Raise an ImportWarning when the import system falls back on load_module(). As for implementations of load_module(), raise a DeprecationWarning.
2020-12-04 15:39:21 -08:00
Irit Katriel 2e0760bb2e
bpo-17735: inspect.findsource now raises OSError when co_lineno is out of range (GH-23633)
This can happen when a file was edited after it was imported.
2020-12-04 23:22:03 +02:00
pxinwr 8d4f57dbd1
bpo-31904: fix test_doctest.py failures for VxWorks (GH-23419)
Fix test_doctest.py failures for VxWorks by avoiding exact error message checks. (better for everyone all around)
2020-12-04 12:19:32 -08:00
Irit Katriel 6e1eec71f5
bpo-42116: Fix inspect.getsource handling of trailing comments (GH-23630) 2020-12-04 18:45:38 +02:00
Victor Stinner 066394018a
bpo-41473: Reenable test_gdb on gdb 9.2 and newer (GH-23637)
https://bugzilla.redhat.com/show_bug.cgi?id=1866884 is fixed in gdb
10.1 (failed to reproduce on gdb-10.1-1.fc34.aarch64).
2020-12-04 16:23:56 +01:00
Yurii Karabas f24b8101a0
bpo-42562: Fix issue when dis failed to parse function that has no line numbers (GH-23632)
Fix issue when dis failed to parse function that has only annotations
2020-12-04 15:20:53 +00:00
Victor Stinner 7e5e13d113
bpo-42553: Fix test_asyncio.test_call_later() (GH-23627)
Fix test_asyncio.test_call_later() race condition: don't measure
asyncio performance in the call_later() unit test. The test failed
randomly on the CI.
2020-12-03 13:56:41 +01:00
FX Coudert 5291639e61
bpo-42504: fix for MACOSX_DEPLOYMENT_TARGET=11 (GH-23556)
macOS releases numbering has changed as of macOS 11 Big Sur.  Previously, major releases were of the form 10.x, 10.x+1, 10.x+2, etc; as of Big Sur, they are now x, x+1, etc, so, for example, 10.15, 10.15.1, ..., 10.15.7, 11, 11.0.1, 11.1, ..., 12, 12.1, etc. Allow Python to build with single-digit deployment target values. Patch provided by FX Coudert.
2020-12-02 22:20:18 -05:00
Mark Shannon 5977a7989d
bpo-42246: Make sure that line number is correct after a return, as required by PEP 626 (GH-23495)
Make sure that line number is correct after a return, as defined by PEP 626.
2020-12-02 13:31:40 +00:00
Mark Shannon 4e7a69bdb6
bpo-42500: Fix recursion in or after except (GH-23568)
* Use counter, rather boolean state when handling soft overflows.
2020-12-02 13:30:55 +00:00
pxinwr e483d281bd
bpo-31904: Fix test_netrc for VxWorks RTOS (GH-21675)
Fix test_netrc on VxWorks: create temporary directories using temp_cwd().
2020-12-01 21:34:42 +01:00
pxinwr b2d0c66e88
bpo-31904: Fix fifo test cases for VxWorks (GH-20254) 2020-12-01 09:20:50 +01:00
Raymond Hettinger cc061d0e6f
bpo-38200: Add itertools.pairwise() (GH-23549) 2020-11-30 20:42:54 -08:00
Irit Katriel 427613f005
bpo-42482: remove reference to exc_traceback from TracebackException (GH-23531) 2020-11-30 17:35:25 -08:00
pxinwr 1244c816d7
bpo-31904: Support signal module on VxWorks (GH-23391) 2020-11-30 22:48:33 +01:00
Christian Heimes 5c73afc36e
bpo-28468: Add platform.freedesktop_os_release() (GH-23492)
Add platform.freedesktop_os_release() function to parse freedesktop.org
os-release files.

Signed-off-by: Christian Heimes <christian@python.org>
Co-authored-by: Victor Stinner <vstinner@python.org>
2020-11-30 22:34:45 +01:00
Andreas Poehlmann 0be9ce305f
bpo-42487: don't call __getitem__ of underlying maps in ChainMap.__iter__ (GH-23534) 2020-11-30 08:34:15 -08:00
Renato Cunha 86684319d3
bpo-42406: Fix whichmodule() with multiprocessing (GH-23403)
* bpo-42406: Fix whichmodule() with multiprocessing

Signed-off-by: Renato L. de F. Cunha <renatoc@br.ibm.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
2020-11-29 10:23:15 -08:00
pxinwr 00a6568ba3
bpo-31904: remove libnet dependency from detect_socket() for VxWorks (GH-23394)
Previously on VxWorks compiling socket extension module needs the libnet to link. Now VxWorks has moved the replied functions to libc. So removing libnet from setup.py.
2020-11-28 14:14:16 -08:00
pxinwr 6a273fdc2a
bpo-31904: skip some tests related to fifo on VxWorks (GH-23473)
On VxWork RTOS, FIFO must be created under directory "/fifos/". Some test cases related to fifo is invalid on VxWorks. So skip them.
2020-11-28 14:06:36 -08:00
pxinwr a86a274b72
bpo-31904: add shell requirement for test_pipes (GH-23489)
VxWorks has no user space shell provided so it can't support pipes module. Also add shell requirement for running test_pipes.
2020-11-28 14:04:50 -08:00
pxinwr 996a1ef8ae
skip test_test of test_mailcap on VxWorks (GH-23507) 2020-11-28 13:49:47 -08:00
pxinwr 64c8f81047
skip test_getaddrinfo_ipv6_scopeid_symbolic and test_getnameinfo_ipv6_scopeid_symbolic on VxWorks (GH-23518) 2020-11-28 13:48:38 -08:00
Zackery Spytz 7a240aef15
Fix an error in the news entry for _posixsubprocess multiphase init (GH-23516)
Commit 035deee265 converted the
_posixsubprocess module to multiphase initialization, but the news entry
mentions the _posixshmem module.
2020-11-28 13:46:30 -08:00
Soumendra Ganguly 74311aeb45
bpo-41818: Fix test_master_read() so that it succeeds on all platforms that either raise OSError or return b"" upon reading from master (GH-23536)
Signed-off-by: Soumendra Ganguly <soumendraganguly@gmail.com>
2020-11-28 23:04:20 +02:00
pxinwr aa1b8a168d
bpo-31904: Fix test_os.test_getcwd_long_path() failure for VxWorks (GH-20256) 2020-11-28 21:21:30 +01:00
Zackery Spytz 8085f742f4
bpo-34215: Clarify IncompleteReadError message when "expected" is None (GH-21925)
Co-Authored-By: Tyler Bell <mrbell321@gmail.com>
2020-11-28 16:27:28 +02:00
Yurii Karabas e4fe303b8c
bpo-42392: Remove loop parameter from asyncio.tasks and asyncio.subprocess (GH-23521) 2020-11-28 10:21:17 +02:00
Soumendra Ganguly f5a19ead4b
bpo-41818: Make test_openpty() avoid unexpected success due to number of rows and/or number of columns being == 0. (GH-23526) 2020-11-27 12:16:41 +02:00
Alex Grönholm e3ef4d7f65
bpo-41332: Added missing connect_accepted_socket() to AbstractEventLoop (GH-21533)
Co-authored-by: Andrew Svetlov <andrew.svetlov@gmail.com>
Co-authored-by: Kyle Stanley <aeros167@gmail.com>
2020-11-26 12:09:12 +02:00
Yurii Karabas f533cb80cb
bpo-42392: Remove loop parameter from asyncio.streams (GH-23517) 2020-11-26 09:36:37 +02:00
Soumendra Ganguly c13d89955d
bpo-41818: Updated tests for the standard pty library (GH-22962) 2020-11-25 15:41:25 +02:00
Dong-hee Na be319c0c10
bpo-42299: Remove formatter module (GH-23476) 2020-11-25 22:17:30 +09:00
Yurii Karabas 7301979b23
bpo-42202: Store func annotations as a tuple (GH-23316)
Reduce memory footprint and improve performance of loading modules having many func annotations.

  >>> sys.getsizeof({"a":"int","b":"int","return":"int"})
  232
  >>> sys.getsizeof(("a","int","b","int","return","int"))
  88

The tuple is converted into dict on the fly when `func.__annotations__` is accessed first.

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: Inada Naoki <songofacandy@gmail.com>
2020-11-25 19:43:18 +09:00
Julien Palard 4fedd7123e
bpo-12800: tarfile: Restore fix from 011525ee9 (GH-21409)
Restore fix from 011525ee92.
2020-11-25 10:23:17 +01:00
Julien Palard c9c6e9f89a
bpo-42238: Doc: Remove make suspicious from the CI and docs builds. (GH-23313)
It probably helped a lot a while back, but may not be as usefull
today.  We'll continue monitoring it before deletion, so true
positives can be migrated to rstlint.
2020-11-25 10:18:00 +01:00
Hai Shi ed1a5a5bac
bpo-40170: Hide impl detail of Py_TRASHCAN_BEGIN macro (GH-23235)
The Py_TRASHCAN_BEGIN macro no longer accesses PyTypeObject attributes,
but now can get the condition by calling the new private
_PyTrash_cond() function which hides implementation details.
2020-11-24 23:03:31 +01:00
Yurii Karabas 0ec34cab9d
bpo-42392: Remove loop parameter form asyncio locks and Queue (#23420)
Co-authored-by: Andrew Svetlov <andrew.svetlov@gmail.com>
2020-11-24 20:08:54 +02:00
Victor Stinner ac7d0169d2
bpo-42212: smelly.py also checks the dynamic library (GH-23423)
The smelly.py script now also checks the Python dynamic library and
extension modules, not only the Python static library. Make also the
script more verbose: explain what it does.

The GitHub Action job now builds Python with the libpython dynamic
library.
2020-11-24 13:38:08 +01:00
Yaroslav Pankovych 79d2e62c00
Added support for negative indexes to PurePath.parents (GH-21799)
This commit also fixes up some of the overlapping documentation changed
in bpo-35498, which added support for indexing with slices.

Fixes bpo-21041.
https://bugs.python.org/issue21041

Co-authored-by: Paul Ganssle <p.ganssle@gmail.com>
Co-authored-by: Rémi Lapeyre <remi.lapeyre@henki.fr>
2020-11-23 15:06:22 -05:00
Nick Crews 2f2f9d0b5c
bpo-15450: Allow subclassing of dircmp (GH-23424) (#23424)
Co-authored-by: Chris Jerdonek <chris.jerdonek@gmail.com>
2020-11-23 18:29:37 +02:00
Irit Katriel ff420f0e08
bpo-28850: Fix PrettyPrinter.format overrides ignored for contents of small containers (GH-22120) 2020-11-23 15:31:31 +02:00
Serhiy Storchaka dd844a2916
bpo-42328: Fix tkinter.ttk.Style.map(). (GH-23300)
The function accepts now the representation of the default state as
empty sequence (as returned by Style.map()).
The structure of the result is now the same on all platform
and does not depend on the value of wantobjects.
2020-11-22 22:48:52 +02:00
Serhiy Storchaka 313467efdc
bpo-42435: Speed up comparison of bytes and bytearray object (GH--23461)
* Speed up comparison of bytes objects with non-bytes objects when
  option -b is specified.
* Speed up comparison of bytarray objects with non-buffer object.
2020-11-22 22:00:53 +02:00
Serhiy Storchaka 686c203cd4
bpo-42423: Accept single base class in PyType_FromModuleAndSpec() (GH-23441) 2020-11-22 13:25:02 +02:00
Ronald Oussoren 404a719b51
bpo-41116: Ensure system supplied libraries are found on macOS 11 (GH-23301)
On macOS system provided libraries are in a shared library cache
and not at their usual location. This PR teaches distutils to search
in the SDK, even if there was no "-sysroot" argument in
the compiler flags.
2020-11-22 00:14:25 -05:00
Serhiy Storchaka 453bc1da20
bpo-42426: IDLE: Fix reporting offset of the RE error in searchengine (GH-23447) 2020-11-22 00:06:51 -05:00
Ronald Oussoren 0f20bd9042
bpo-38443: Check that the specified universal architectures work (GH-22910)
As [bpo-38443]() says the error message from configure when specifying --enable-universalsdk with a set of architectures that is not supported by the compiler is not very helpful.   This PR explicitly checks if the compiler works and bails out if it doesn't.
2020-11-21 17:13:11 -08:00
Christian Heimes ea97ebab35
bpo-1635741: Port select module to multiphase init (GH-23409) 2020-11-21 20:29:26 +01:00
Christian Heimes 035deee265
bpo-1635741: Port _posixsubprocess module to multiphase init (GH-23406) 2020-11-21 20:28:14 +01:00
David CARLIER 0e62efc51e
bpo-42232: mmap module add Darwin specific madvise options. (GH-23076) 2020-11-21 03:39:56 -08:00
Filipe Laíns 01a202ab6b
bpo-40550: Fix time-of-check/time-of-action issue in subprocess.Popen.send_signal. (GH-20010)
send_signal() now swallows the exception if the process it thought was still alive winds up not to exist anymore (always a plausible race condition despite the checks).

Co-authored-by: Gregory P. Smith <greg@krypto.org>
2020-11-21 01:22:08 -08:00
Devin Jeanpierre 31729366e2
bpo-40791: Make compare_digest more constant-time. (GH-20444)
* bpo-40791: Make compare_digest more constant-time.

The existing volatile `left`/`right` pointers guarantee that the reads will all occur, but does not guarantee that they will be _used_. So a compiler can still short-circuit the loop, saving e.g. the overhead of doing the xors and especially the overhead of the data dependency between `result` and the reads. That would change performance depending on where the first unequal byte occurs. This change removes that optimization.

(This is change #1 from https://bugs.python.org/issue40791 .)
2020-11-21 00:55:23 -08:00
Joshua Cannon 4520584483
bpo-35498: Added slice support to PathLib parents attribute. (GH-11165)
Added slice support to the `pathlib.Path.parents` sequence. For a `Path` `p`, slices of `p.parents` should return the same thing as slices of `tuple(p.parents)`.
2020-11-20 10:40:39 -05:00
Erlend Egeberg Aasland a6109ef68d
bpo-1635741: Convert _sre types to heap types and establish module state (PEP 384) (GH-23393) 2020-11-20 21:36:23 +09:00
Christian Heimes 5c36da78d7
bpo-42333: Port _ssl extension module to heap types (GH-23392)
All types in _ssl module are now heap types.
2020-11-20 09:40:12 +01:00
Christian Heimes 03c8ddd9e9
bpo-42413: socket.timeout is now an alias of TimeoutError (GH-23413)
Signed-off-by: Christian Heimes <christian@python.org>
2020-11-20 00:26:07 -08:00
Terry Jan Reedy 7ddbaa7a1b
bpo-42416: Use inspect.getdoc for IDLE calltips (GH-23416)
Inspect.getdoc(ob) sometimes gets docstrings when ob.__doc__ is None.
2020-11-20 01:59:11 -05:00
Christian Heimes b437aa83f9
bpo-1635741: Port _posixshmem extension module to multiphase initialization (GH-23404)
Signed-off-by: Christian Heimes <christian@python.org>
2020-11-19 07:20:42 -08:00
Christian Heimes 646d7fdefb
bpo-1635741: Port gc module to multiphase initialization (GH-23377)
Signed-off-by: Christian Heimes <christian@python.org>

Automerge-Triggered-By: GH:tiran
2020-11-19 06:08:34 -08:00
Christian Heimes cfeb5437a8
bpo-1635741: Port _struct to multiphase initialization (GH-23398)
Signed-off-by: Christian Heimes <christian@python.org>
2020-11-19 22:36:23 +09:00
Victor Stinner 3390347aa0
bpo-42403: Simplify importlib external bootstrap (GH-23397)
Simplify the importlib external bootstrap code:
importlib._bootstrap_external now uses regular imports to import
builtin modules. When it is imported, the builtin __import__()
function is already fully working and so can be used to import
builtin modules like sys.
2020-11-19 13:43:43 +01:00
Christian Heimes bf9d70a1a5
bpo-1635741: Port spwd to multiphase initialization (GH-23390)
Signed-off-by: Christian Heimes <christian@python.org>
2020-11-19 10:54:03 +01:00
Christian Heimes 3094dd5fb5
bpo-1635741: Port _queue to multiphase initialization (GH-23376)
Signed-off-by: Christian Heimes <christian@python.org>

Automerge-Triggered-By: GH:tiran
2020-11-19 00:24:37 -08:00
Christian Heimes fa2eee975d
bpo-1635741: Port grp and pwd to multiphase initialization (GH-23360)
Signed-off-by: Christian Heimes <christian@python.org>
2020-11-18 23:47:32 -08:00
Christian Heimes cc0cd43c0f
bpo-1635741: Port _random to multiphase initialization (GH-23359)
Signed-off-by: Christian Heimes <christian@python.org>
2020-11-18 23:46:29 -08:00
David CARLIER 13b865f0e1
bpo-42375: subprocess DragonFlyBSD build update. (GH-23320)
Same as FreeBSD, file descriptors in /dev/fd id from 0 to 63.
2020-11-18 23:24:15 -08:00
Victor Stinner 6f4635fe20
bpo-1635741: Port _warnings to the multi-phase init (GH-23379)
Port the _warnings extension module to the multi-phase initialization
API (PEP 489).
2020-11-19 00:19:06 +01:00
Victor Stinner 0e2ac21dd4
bpo-39573: Convert Py_TYPE() and Py_SIZE() back to macros (GH-23366)
This change partically reverts
commit ad3252bad9
and the commit fe2978b3b9.

Many third party C extension modules rely on the ability of using
Py_TYPE() to set an object type: "Py_TYPE(obj) = type;" or to set an
object type using: "Py_SIZE(obj) = size;".
2020-11-18 18:48:06 +01:00
Christian Heimes 07f2adedf0
bpo-40998: Address compiler warnings found by ubsan (GH-20929)
Signed-off-by: Christian Heimes <christian@python.org>

Automerge-Triggered-By: GH:tiran
2020-11-18 07:38:53 -08:00
Christian Heimes 46f59ebd01
bpo-1635741: Port _hashlib to multiphase initialization (GH-23358)
Signed-off-by: Christian Heimes <christian@python.org>
2020-11-18 16:12:13 +01:00
Christian Heimes c7011012fa
bpo-1635741: Port symtable module to multiphase initialization (GH-23361)
Signed-off-by: Christian Heimes <christian@python.org>
2020-11-18 07:03:51 -08:00
Victor Stinner 8fba9523cf
bpo-42398: Fix "make regen-all" race condition (GH-23362)
Fix a race condition in "make regen-all" when make -jN option is used
to run jobs in parallel. The clinic.py script now only use atomic
write to write files. Moveover, generated files are now left
unchanged if the content does not change, to not change the file
modification time.

The "make regen-all" command runs "make clinic" and "make
regen-importlib" targets:

* "make regen-importlib" builds object files (ex: Modules/_weakref.o)
  from source files (ex: Modules/_weakref.c) and clinic files (ex:
  Modules/clinic/_weakref.c.h)
* "make clinic" always rewrites all clinic files
  (ex: Modules/clinic/_weakref.c.h)

Since there is no dependency between "clinic" and "regen-importlib"
Makefile targets, these two targets can be run in parallel. Moreover,
half of clinic.py file writes are not atomic and so there is a race
condition when "make regen-all" runs jobs in parallel using make -jN
option (which can be passed in MAKEFLAGS environment variable).

Fix clinic.py to make all file writes atomic:

* Add write_file() function to ensure that all file writes are
  atomic: write into a temporary file and then use os.replace().
* Moreover, write_file() doesn't recreate or modify the file if the
  content does not change to avoid modifying the file modification
  file.
* Update test_clinic to verify these assertions with a functional
  test.
* Remove Clinic.force attribute which was no longer used, whereas
  Clinic.verify remains useful.
2020-11-18 15:36:27 +01:00
Christian Heimes ce04e7105b
bpo-41561: skip test_min_max_version_mismatch (GH-22308)
skip test_min_max_version_mismatch when TLS 1.0 is not available

Signed-off-by: Christian Heimes <christian@python.org>
2020-11-18 13:10:53 +01:00
Victor Stinner 7f9b25a21a
bpo-41713: Port _signal module to multi-phase init (GH-23355)
Port the _signal extension module to the multi-phase initialization
API (PEP 489).

Co-Authored-By: Mohamed Koubaa <koubaa.m@gmail.com>
2020-11-17 23:28:25 +01:00
Mark Shannon 266b462238
bpo-42349: Compiler clean up. More yak-shaving for PEP 626. (GH-23267)
Make sure that CFG from compiler front-end is correct. Be a bit more aggressive in the compiler back-end.
2020-11-17 19:30:14 +00:00
Victor Stinner 0ae323b87f
bpo-41686: Always create the SIGINT event on Windows (GH-23344)
bpo-41686, bpo-41713: On Windows, the SIGINT event,
_PyOS_SigintEvent(), is now created even if Python is configured to
not install signal handlers (PyConfig.install_signal_handlers=0 or
Py_InitializeEx(0)).

Changes:

* Move global variables initialization from signal_exec() to
  _PySignal_Init() to clarify that they are global variables cleared
  by _PySignal_Fini().
* _PySignal_Fini() now closes sigint_event.
* IntHandler is no longer a global variable.
2020-11-17 18:15:20 +01:00
Erlend Egeberg Aasland a1f401a58b
bpo-42264: Deprecate sqlite3.OptimizedUnicode (GH-23163) 2020-11-17 17:55:12 +02:00
Victor Stinner 296a796951
bpo-41713: Remove PyOS_InitInterrupts() function (GH-23342)
Remove the undocumented PyOS_InitInterrupts() C function.

* Rename PyOS_InitInterrupts() to _PySignal_Init(). It now installs
  other signal handlers, not only SIGINT.
* Rename PyOS_FiniInterrupts() to _PySignal_Fini()
2020-11-17 16:22:23 +01:00
Erlend Egeberg Aasland 2ffba2a102
bpo-41861, _sqlite3 : Add NEWS entry and rename variables (GH-23337) 2020-11-17 13:52:54 +01:00
Yurii Karabas f03d318ca4
bpo-42345: Fix three issues with typing.Literal parameters (GH-23294)
Literal equality no longer depends on the order of arguments.

Fix issue related to `typing.Literal` caching by adding `typed` parameter to `typing._tp_cache` function.

Add deduplication of `typing.Literal` arguments.
2020-11-16 18:23:19 -08:00
Pablo Galindo b0aba1fcdc
bpo-42381: Allow walrus in set literals and set comprehensions (GH-23332)
Currently walruses are not allowerd in set literals and set comprehensions:

>>> {y := 4, 4**2, 3**3}
  File "<stdin>", line 1
    {y := 4, 4**2, 3**3}
       ^
SyntaxError: invalid syntax

but they should be allowed as well per PEP 572
2020-11-17 01:17:12 +00:00
Pablo Galindo a57b3d30f6
bpo-41625: Expose the splice() system call in the os module (GH-21947) 2020-11-17 00:00:38 +00:00
Steve Dower 9cc9e27725
bpo-42120: Remove macro defining copysign to _copysign on Windows (GH-23326) 2020-11-16 23:22:42 +00:00
Lysandros Nikolaou cae60187cf
bpo-42316: Allow unparenthesized walrus operator in indexes (GH-23317) 2020-11-17 01:09:35 +02:00
Lysandros Nikolaou cb3e5ed071
bpo-42374: Allow unparenthesized walrus in genexps (GH-23319)
This fixes a regression that was introduced by the new parser.

Automerge-Triggered-By: GH:lysnikolaou
2020-11-16 15:08:35 -08:00
Zackery Spytz f62dad16b8
bpo-38506: Fix the Windows py.exe launcher's misordering of 3.10 (GH-18307) 2020-11-16 21:32:35 +00:00
Kevin Adler c79667ff79
bpo-42087: Remove support for AIX 5.3 and below (GH-22830)
As AIX 5.3 and below do not support thread_cputime, it was decided in
https://bugs.python.org/issue40680 to require AIX 6.1 and above. This
commit removes workarounds for — and references to — older, unsupported
AIX versions.
2020-11-16 16:16:10 +01:00
Victor Stinner ae6cd7cfda
bpo-37205: time.time() cannot fail with fatal error (GH-23314)
time.time(), time.perf_counter() and time.monotonic() functions can
no longer fail with a Python fatal error, instead raise a regular
Python exception on failure.

Remove _PyTime_Init(): don't check system, monotonic and perf counter
clocks at startup anymore.

On error, _PyTime_GetSystemClock(), _PyTime_GetMonotonicClock() and
_PyTime_GetPerfCounter() now silently ignore the error and return 0.
They cannot fail with a Python fatal error anymore.

Add py_mach_timebase_info() and win_perf_counter_frequency()
sub-functions.
2020-11-16 16:08:05 +01:00
Victor Stinner 5909a494cd
bpo-42350: Fix Thread._reset_internal_locks() (GH-23268)
Fix the threading.Thread class at fork: do nothing if the thread is
already stopped (ex: fork called at Python exit). Previously, an
error was logged in the child process.
2020-11-16 15:20:34 +01:00
Victor Stinner 3df5c68487
bpo-37205: time.perf_counter() and time.monotonic() are system-wide (GH-23284)
time.perf_counter() on Windows and time.monotonic() on macOS are now
system-wide. Previously, they used an offset computed at startup to
reduce the precision loss caused by the float type. Use
time.perf_counter_ns() and time.monotonic_ns() added in Python 3.7 to
avoid this precision loss.
2020-11-16 13:21:45 +01:00
Yash Shete aa01011003
bpo-42153 Fix link to IMAP documents in imaplib.rst (GH-23297)
The University of Washington stopped hosting the IMAP documents. Link to a rescued copy on GitHub.
2020-11-15 21:02:35 -08:00
kj 384b7a4bd9
bpo-42332: Add weakref slot to types.GenericAlias (GH-23250)
Automerge-Triggered-By: GH:gvanrossum
2020-11-15 19:27:23 -08:00
Serhiy Storchaka a26215db11
bpo-42318: Fix support of non-BMP characters in Tkinter on macOS (GH-23281) 2020-11-15 18:16:59 +02:00
Brett Cannon d2e94bb084
bpo-42131: Add PEP 451-related methods to zipimport (GH-23187)
Specifically, find_spec(), create_module(), and exec_module().

Co-authored-by: Nick Coghlan <ncoghlan@gmail.com>
2020-11-13 15:14:58 -08:00
Steve Dower 9b6934230c
bpo-40754: Adds _testinternalcapi to Windows installer for test suite (GH-23271) 2020-11-13 22:24:36 +00:00
Christian Heimes cd9fed6afb
bpo-41001: Add os.eventfd() (#20930)
Co-authored-by: Kyle Stanley <aeros167@gmail.com>
2020-11-13 19:48:52 +01:00
Christian Heimes f97406be4c
bpo-40968: Send http/1.1 ALPN extension (#20959)
Signed-off-by: Christian Heimes <christian@python.org>
2020-11-13 16:37:52 +01:00
Victor Stinner b3b98082c5
bpo-41617: Add _Py__has_builtin() macro (GH-23260)
Fix building pycore_bitutils.h internal header on old clang version
without __builtin_bswap16() (ex: Xcode 4.6.3 on Mac OS X 10.7).

Add a new private _Py__has_builtin() macro to check for availability
of a preprocessor builtin function.

Co-Authored-By: Joshua Root <jmr@macports.org>

Co-authored-by: Joshua Root <jmr@macports.org>
2020-11-13 15:38:17 +01:00
Victor Stinner d96a7a8313
bpo-42296: On Windows, fix CTRL+C regression (GH-23257)
On Windows, fix a regression in signal handling which prevented to
interrupt a program using CTRL+C. The signal handler can be run in a
thread different than the Python thread, in which case the test
deciding if the thread can handle signals is wrong.

On Windows, _PyEval_SignalReceived() now always sets eval_breaker to
1 since it cannot test _Py_ThreadCanHandleSignals(), and
  eval_frame_handle_pending() always calls
  _Py_ThreadCanHandleSignals() to recompute eval_breaker.
2020-11-13 14:44:42 +01:00
Mario Corchero 750c5abf43
bpo-42308: Add threading.__excepthook__ (GH-23218)
Add threading.__excepthook__ to allow retrieving the original value
of threading.excepthook in case it is set to a broken or a different
value.
2020-11-12 18:27:44 +01:00
Victor Stinner b5cc05bbe6
bpo-38823: Always build _ctypes with wchar_t (GH-23248)
It is no longer possible to build the _ctypes extension module
without wchar_t type: remove CTYPES_UNICODE macro. Anyway, the
wchar_t type is required to build Python.
2020-11-12 15:38:13 +01:00
Jakub Stasiak fd4ed57674
bpo-42237: Fix os.sendfile() on illumos (GH-23154) 2020-11-12 11:49:30 +02:00
Mark Shannon 877df851c3
bpo-42246: Partial implementation of PEP 626. (GH-23113)
* Implement new line number table format, as defined in PEP 626.
2020-11-12 09:43:29 +00:00
Batuhan Taskaya fa476fe132
bpo-39411: pyclbr rewrite on AST (#18103)
- Rewrite pyclbr using an AST processor
- Add is_async to the pyclbr.Function
2020-11-11 10:14:12 +03:00
Victor Stinner 95ce7cd0a6
bpo-1635741: Fix typo in PyModule_AddObjectRef() doc (GH-23234)
It is similar to PyModule_AddObject(), not to itself.
2020-11-11 01:52:26 +01:00
Diogo Dutra 7e5ef0a571
bpo-42140: Improve asyncio.wait function (GH-22938)
# Improve asyncio.wait function

The original code creates the futures set two times.
We can create this set before, avoiding the second creation.

This new behaviour [breaks the aiokafka library](https://github.com/aio-libs/aiokafka/pull/672), because it gives an iterator to that function, so the second iteration become empty.

Automerge-Triggered-By: GH:1st1
2020-11-10 14:12:52 -08:00
Hai Shi a13b26cac1
bpo-41073: PyType_GetSlot() can now accept static types. (GH-21931)
PyType_GetSlot() can now accept static types.

Co-Authored-By: Petr Viktorin <encukou@gmail.com>

Automerge-Triggered-By: GH:encukou
2020-11-10 12:53:46 -08:00
Victor Stinner ace3f9a0ce
bpo-42260: Fix _PyConfig_Read() if compute_path_config=0 (GH-23220)
Fix _PyConfig_Read() if compute_path_config=0: use values set by
Py_SetPath(), Py_SetPythonHome() and Py_SetProgramName(). Add
compute_path_config parameter to _PyConfig_InitPathConfig().

The following functions now return NULL if called before
Py_Initialize():

* Py_GetExecPrefix()
* Py_GetPath()
* Py_GetPrefix()
* Py_GetProgramFullPath()
* Py_GetProgramName()
* Py_GetPythonHome()

These functions no longer automatically computes the Python Path
Configuration. Moreover, Py_SetPath() no longer computes
program_full_path.
2020-11-10 21:10:22 +01:00
Vladimir Matveev 1e996c3a3b
bpo-42085: Introduce dedicated entry in PyAsyncMethods for sending values (#22780) 2020-11-10 12:09:55 -08:00
Michal Čihař e59b2deffd
bpo-42014: shutil.rmtree: call onerror with correct function (GH-22585)
The onerror is supposed to be called with failed function, but in this case lstat is wrongly used instead of open.

Not sure if this needs bug or not...

Automerge-Triggered-By: GH:hynek
2020-11-10 08:06:02 -08:00
Andrew Svetlov 42d873c63a
bpo-42183: Fix a stack overflow error for asyncio Task or Future repr() (GH-23020)
The overflow occurs under some circumstances when a task or future
recursively returns itself.

Co-authored-by: Kyle Stanley <aeros167@gmail.com>
2020-11-10 15:58:31 +02:00
Petr Viktorin 0b9c4c6fcf
bpo-42171: Add PEP573-related items to the limited API (GH-23009) 2020-11-10 05:47:31 -08:00
jack1142 bfc6b63102
bpo-36310: Allow pygettext.py to detect calls to gettext in f-strings. (GH-19875)
Adds support to Tools/i18n/pygettext.py for gettext calls in f-strings. This process is done by parsing the f-strings, processing each value, and flagging the ones which contain a gettext call.

Co-authored-by: Batuhan Taskaya <batuhanosmantaskaya@gmail.com>
2020-11-10 01:50:45 +03:00
Tom Gringauz a117167d8d
bpo-41543: contextlib.nullcontext can fill in for an async context manager (GH-21870)
Co-authored-by: Andrew Svetlov <andrew.svetlov@gmail.com>
2020-11-09 14:34:07 +02:00
Ammar Askar 97e8b1eaea
bpo-40624: Add support for the XPath != operator in xml.etree (GH-22147) 2020-11-09 08:02:39 +01:00
kj 4eb41d055e
bpo-42233: Add union type expression support for GenericAlias and fix de-duplicating of GenericAlias (GH-23077) 2020-11-08 20:00:13 -08:00
Ronald Oussoren 23831a7a90
bpo-41754: Ignore NotADirectoryError in invocation of xdg-settings (GH-23075)
It is not clear why this can happen, but several users have mentioned
getting this exception on macOS.
2020-11-08 10:46:55 +01:00
Ronald Oussoren 41761933c1
bpo-41100: Support macOS 11 and Apple Silicon (GH-22855)
Co-authored-by:  Lawrence D’Anna <lawrence_danna@apple.com>

* Add support for macOS 11 and Apple Silicon (aka arm64)
   
  As a side effect of this work use the system copy of libffi on macOS, and remove the vendored copy

* Support building on recent versions of macOS while deploying to older versions

  This allows building installers on macOS 11 while still supporting macOS 10.9.
2020-11-08 10:05:27 +01:00
Erlend Egeberg Aasland 01c6aa43dc
bpo-40077: Convert _queuemodule to use heap types (GH-23136)
@vstinner / @corona10, would you mind reviewing this?
2020-11-07 11:18:37 -08:00
Nick Coghlan 8805a4dad2
bpo-42282: Fold constants inside named expressions (GH-23190)
* The AST optimiser wasn't descending into named expressions, so
  any constant subexpressions weren't being folded at compile time
* Remove "default:" clauses inside the AST optimiser code to reduce the
  risk of similar bugs passing unnoticed in future compiler changes
2020-11-07 22:35:17 +10:00
Julien Palard ee2549c2ba
bpo-41028: Doc: Move switchers to docsbuild-scripts. (GH-20969) 2020-11-07 12:28:31 +01:00