Commit Graph

2073 Commits

Author SHA1 Message Date
Gideon 6266e4af87
bpo-45917: Add math.exp2() method - return 2 raised to the power of x (GH-29829)
Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
2021-11-29 18:55:43 +00:00
Alex Waygood b1302abcc8
bpo-44904: Fix classmethod property bug in doctest module (GH-28838)
The doctest module raised an error if a docstring contained an example that
attempted to access a classmethod property. (Stacking '@classmethod' on top of
`@property` has been supported since Python 3.9; see
https://docs.python.org/3/howto/descriptor.html#class-methods.)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
2021-10-28 10:48:02 +03:00
Stanisław Skonieczny 9dc363ee7c
bpo-45012: Release GIL around stat in os.scandir (GH-28085)
Releasing GIL allows other threads to continue
its work when os.scandir is fetching DirEntry.stat
info from file system.
2021-09-07 19:55:20 +02:00
Nikita Sobolev 8ca6b61e3f
bpo-45034: Fix how upper limit is formatted for `struct.pack("H", ...)` (GH-28178)
Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
2021-09-07 13:18:46 +01:00
Soumendra Ganguly 3331fd264d
Update ACKS (GH-27988) 2021-08-27 17:35:07 +08:00
Gautam Chaudhuri ad0a8a9c62
bpo-16580: [doc] Add examples to int.to_bytes and int.from_bytes (GH-27760)
* added code equivs. for to_bytes and from_bytes

Based on woparry's patch[1] from the relevant issue thread[2].

[1]: https://bugs.python.org/file30372/issue16580.patch
[2]: https://bugs.python.org/issue16580

Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
2021-08-15 12:29:05 +01:00
Zephyr Shannon 81ab8db235
bpo-26228: Fix pty EOF handling (GH-12049)
On non-Linux POSIX platforms, like FreeBSD or macOS,
the FD used to read a forked PTY may signal its exit not
by raising an error but by sending empty data to the read
syscall. This case wasn't handled, leading to hanging
`pty.spawn` calls.

Co-authored-by: Reilly Tucker Siemens <reilly@tuckersiemens.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
2021-08-12 00:21:46 +02:00
Noah 83ca46b778
closes bpo-39091: Fix segfault when Exception constructor returns non-exception for gen.throw. (#17658)
Co-authored-by: Benjamin Peterson <benjamin@python.org>
2021-08-02 19:17:18 -07:00
Miguel Brito 28b6dc9dd5
bpo-44792: Improve syntax errors for if expressions (GH-27506) 2021-08-02 18:11:37 +01:00
Stefan Hoelzl 80f0707629
bpo-44666: Use default encoding as fallback for compile_file (GH-27236)
When sys.stdout.encoding is None compile_file will fall back to
sys.getdefaultencoding to encode/decode error messages.

Co-authored-by: Stefan Hoelzl <stefan.hoelzl@posteo.de>
Co-authored-by: Mickaël Schoentgen <contact@tiger-222.fr>
2021-07-30 18:38:42 +02:00
Ethan Furman cb2014f207
[Enum] improve test, add andrei kulakov to ACKS (GH-26726) 2021-06-15 11:38:15 -07:00
Ajith Ramachandran ac867f10b4
bpo-44357:Add `math.cbrt()` function: Cube Root (GH-26622)
* Add math.cbrt() function: Cube Root

Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
2021-06-10 17:42:09 +01:00
Wm. Keith van der Meulen 4846ea95d1
Add bpo-42914 to What's New (GH-25124)
BPO-42914 was not added to the What's New in #24864. This includes it in the "Improved Modules" section.

Automerge-Triggered-By: GH:gpshead
2021-06-02 20:45:34 -07:00
dhoekstra2000 2a031723ee
bpo-43558: Add note about base class initialization to dataclasses doc (GH-25967) 2021-05-10 09:30:22 -04:00
Linus Groh 329a47f052
bpo-44059: Register the SerenityOS Browser in the webbrowser module (GH-25947)
Automerge-Triggered-By: GH:gpshead
2021-05-06 12:01:12 -07:00
Roberto Hueso a0b9915a8b
bpo-32822: Add finally with return/break/continue to the tutorial (#25600)
This documents in the tutorial docs the behavior of a finally clause in
case it should re-raise an exception but contains a
return/break/continue statement.
2021-05-04 14:36:01 +02:00
Ned Deily 518f8b5dd5
bpo-41100: Update Misc/ACKS (GH-25808) 2021-05-02 05:19:07 -04:00
Ryan Hileman 9a2c2a9ec3
bpo-42800: add audit hooks for f_code and tb_frame (GH-24182)
Accessing the following attributes will now fire PEP 578 style audit hooks as ("object.__getattr__", obj, name):
* PyTracebackObject: tb_frame
* PyFrameObject: f_code
* PyGenObject: gi_code, gi_frame
* PyCoroObject: cr_code, cr_frame
* PyAsyncGenObject: ag_code, ag_frame
Add an AUDIT_READ attribute flag aliased to READ_RESTRICTED.
Update obsolete flag documentation.
2021-04-30 00:15:55 +01:00
Llandy Riveron Del Risco 8a307e488d
bpo-43938: improve dataclasses.FrozenInstanceError documentation (GH-25603) 2021-04-26 14:53:28 -04:00
Tymoteusz Wołodźko 09aa6f914d
bpo-38490: statistics: Add covariance, Pearson's correlation, and simple linear regression (#16813)
Co-authored-by: Tymoteusz Wołodźko <twolodzko+gitkraken@gmail.com
2021-04-25 14:45:09 +03:00
Raymond Hettinger 14092b5a4a
bpo-43917: Fix pure python equivalent for classmethod (GH-25544)
Reported by Yahor Harunovich.
2021-04-22 17:53:36 -07:00
l0x 64d975202f
bpo-40849: Expose X509_V_FLAG_PARTIAL_CHAIN ssl flag (GH-20463)
This short PR exposes an openssl flag that  wasn't exposed. I've also updated to doc to reflect the change. It's heavily inspired by 990fcaac3c.
2021-04-19 04:51:18 -07:00
juhovh 49fdf118ae
bpo-36076: Add SNI support to ssl.get_server_certificate. (GH-16820)
Many servers in the cloud environment require SNI to be used during the
SSL/TLS handshake, therefore it is not possible to fetch their certificates
using the ssl.get_server_certificate interface.

This change adds an additional optional hostname argument that can be used to
set the SNI. Note that it is intentionally a separate argument instead of
using the host part of the addr tuple, because one might want to explicitly
fetch the default certificate or fetch a certificate from a specific IP
address with the specified SNI hostname. A separate argument also works better
for backwards compatibility.

Automerge-Triggered-By: GH:tiran
2021-04-18 04:11:48 -07:00
Ethan Furman e692f55979
Update ACKS (GH-25423)
* Add Arseny Boykov
* Add Matthias Urlichs
2021-04-15 07:55:46 -07:00
Inada Naoki 333d10cbb5
bpo-43712 : fileinput: Add encoding parameter (GH-25272) 2021-04-14 14:12:58 +09:00
Alex Prengère 51a85ddce8
bpo-43399: Fix ElementTree.extend not working on iterators (GH-24751) 2021-03-31 00:11:29 +03:00
Sergey B Kirpichev 690aca7811
bpo-43420: Simple optimizations for Fraction's arithmetics (GH-24779)
bpo-43420: Implement standard transformations in + - * / that can often reduce the size of intermediate integers needed. For rationals with large components, this can yield dramatic speed improvements, but for small rationals can run 10-20% slower, due to increased fixed overheads in the longer-winded code. If those slowdowns turn out to be a problem, see the PR discussion for low-level implementation tricks that could cut other fixed overheads.

Co-authored-by: Tim Peters <tim.peters@gmail.com>
Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
2021-03-21 21:30:55 -05:00
Ned Deily a65b050516
bpo-42603: Add whatsnew and ACKS entries. (GH-24675) 2021-03-01 00:27:20 -05:00
Dustin Rodrigues 755f3c1521
bpo-42819, readline: Disable bracketed paste (GH-24108) 2021-02-16 00:28:24 +01:00
Ethan Furman 7aaeb2a3d6
bpo-38250: [Enum] single-bit flags are canonical (GH-24215)
Flag members are now divided by one-bit verses multi-bit, with multi-bit being treated as aliases. Iterating over a flag only returns the contained single-bit flags.

Iterating, repr(), and str() show members in definition order.

When constructing combined-member flags, any extra integer values are either discarded (CONFORM), turned into ints (EJECT) or treated as errors (STRICT). Flag classes can specify which of those three behaviors is desired:

>>> class Test(Flag, boundary=CONFORM):
...     ONE = 1
...     TWO = 2
...
>>> Test(5)
<Test.ONE: 1>

Besides the three above behaviors, there is also KEEP, which should not be used unless necessary -- for example, _convert_ specifies KEEP as there are flag sets in the stdlib that are incomplete and/or inconsistent (e.g. ssl.Options). KEEP will, as the name suggests, keep all bits; however, iterating over a flag with extra bits will only return the canonical flags contained, not the extra bits.

Iteration is now in member definition order.  If member definition order
matches increasing value order, then a more efficient method of flag
decomposition is used; otherwise, sort() is called on the results of
that method to get definition order.


``re`` module:

repr() has been modified to support as closely as possible its previous
output; the big difference is that inverted flags cannot be output as
before because the inversion operation now always returns the comparable
positive result; i.e.

   re.A|re.I|re.M|re.S is ~(re.L|re.U|re.S|re.T|re.DEBUG)

in both of the above terms, the ``value`` is 282.

re's tests have been updated to reflect the modifications to repr().
2021-01-25 14:26:19 -08:00
Tomáš Hrnčiar fb35fa49d1
bpo-42870: Document change in argparse help output. (GH-24190) 2021-01-11 16:41:35 -08:00
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
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
Casper Smet e009612476
Fixed typo in itertools documentation (GH-23816) 2020-12-18 20:28:21 -08:00
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
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
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
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
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
Florian Dahlitz 2d55aa9e37
bpo-29981: Add examples and update index for set, dict, and generator comprehensions'(GH-20272)
Co-authored-by: Rémi Lapeyre <remi.lapeyre@henki.fr>
2020-10-20 17:27:07 -04:00
Andrey Doroschenko ec42789e6e
bpo-39693: mention KeyError in tarfile extractfile documentation (GH-18639)
Co-authored-by: Andrey Darascheka <andrei.daraschenka@leverx.com>
2020-10-20 10:05:01 -04:00
Justin Turner Arthur de73d432bb
bpo-38912: fix close before connect callback in test_asyncio SSL tests (GH-22691)
Reduces the rate at which the ENV CHANGED failure occurs in test_asyncio SSL tests (due to unclosed transport), but does not 100% resolve it.
2020-10-19 21:18:57 -04:00
Ruben Vorderman 23c0fb8edd
bpo-41586: Add pipesize parameter to subprocess & F_GETPIPE_SZ and F_SETPIPE_SZ to fcntl. (GH-21921)
* Add F_SETPIPE_SZ and F_GETPIPE_SZ to fcntl module
* Add pipesize parameter for subprocess.Popen class

This will allow the user to control the size of the pipes.
On linux the default is 64K. When a pipe is full it blocks for writing.
When a pipe is empty it blocks for reading. On processes that are
very fast this can lead to a lot of wasted CPU cycles. On a typical
Linux system the max pipe size is 1024K which is much better.
For high performance-oriented libraries such as xopen it is nice to
be able to set the pipe size.

The workaround without this feature is to use my_popen_process.stdout.fileno() in
conjuction with fcntl and 1031 (value of F_SETPIPE_SZ) to acquire this behavior.
2020-10-19 16:30:02 -07:00
scaramallion c304c9a7ef
bpo-41966: Fix pickling pure datetime.time subclasses (GH-22731) 2020-10-18 17:49:48 +03:00
Anatoliy Platonov b4d895336a
bpo-41876: Overload __repr__ for tkinter Font objects (GH-22450) 2020-10-14 13:02:51 +03:00
Raymond Hettinger 4e0ce82058
Revert "bpo-26680: Incorporate is_integer in all built-in and standard library numeric types (GH-6121)" (GH-22584)
This reverts commit 58a7da9e12.
2020-10-07 16:43:44 -07:00
Mikhail Golubev 4f3c25043d
bpo-41923: PEP 613: Add TypeAlias to typing module (#22532)
This special marker annotation is intended to help in distinguishing
proper PEP 484-compliant type aliases from regular top-level variable
assignments.
2020-10-07 14:44:31 -07:00
Fidget-Spinner 8e1dd55e63
bpo-41428: Documentation for PEP 604 (gh-22517) 2020-10-04 21:40:52 -07:00
Robert Smallshire 58a7da9e12
bpo-26680: Incorporate is_integer in all built-in and standard library numeric types (GH-6121)
* bpo-26680: Adds support for int.is_integer() for compatibility with float.is_integer().

The int.is_integer() method always returns True.

* bpo-26680: Adds a test to ensure that False.is_integer() and True.is_integer() are always True.

* bpo-26680: Adds Real.is_integer() with a trivial implementation using conversion to int.

This default implementation is intended to reduce the workload for subclass
implementers. It is not robust in the presence of infinities or NaNs and
may have suboptimal performance for other types.

* bpo-26680: Adds Rational.is_integer which returns True if the denominator is one.

This implementation assumes the Rational is represented in it's
lowest form, as required by the class docstring.

* bpo-26680: Adds Integral.is_integer which always returns True.

* bpo-26680: Adds tests for Fraction.is_integer called as an instance method.

The tests for the Rational abstract base class use an unbound
method to sidestep the inability to directly instantiate Rational.
These tests check that everything works correct as an instance method.

* bpo-26680: Updates documentation for Real.is_integer and built-ins int and float.

The call x.is_integer() is now listed in the table of operations
which apply to all numeric types except complex, with a reference
to the full documentation for Real.is_integer().  Mention of
is_integer() has been removed from the section 'Additional Methods
on Float'.

The documentation for Real.is_integer() describes its purpose, and
mentions that it should be overridden for performance reasons, or
to handle special values like NaN.

* bpo-26680: Adds Decimal.is_integer to the Python and C implementations.

The C implementation of Decimal already implements and uses
mpd_isinteger internally, we just expose the existing function to
Python.

The Python implementation uses internal conversion to integer
using to_integral_value().

In both cases, the corresponding context methods are also
implemented.

Tests and documentation are included.

* bpo-26680: Updates the ACKS file.

* bpo-26680: NEWS entries for int, the numeric ABCs and Decimal.

Co-authored-by: Robert Smallshire <rob@sixty-north.com>
2020-10-01 17:30:08 +01:00