Miro Hrončok [Fri, 18 Mar 2022 09:53:29 +0000 (10:53 +0100)]
bpo-45413: Define "posix_venv", "nt_venv" and "venv" sysconfig installation schemes (GH-31034)
Define *posix_venv* and *nt_venv* sysconfig installation schemes
to be used for bootstrapping new virtual environments.
Add *venv* sysconfig installation scheme to get the appropriate one of the above.
The schemes are identical to the pre-existing
*posix_prefix* and *nt* install schemes.
The venv module now uses the *venv* scheme to create new virtual environments
instead of hardcoding the paths depending only on the platform. Downstream
Python distributors customizing the *posix_prefix* or *nt* install
scheme in a way that is not compatible with the install scheme used in
virtual environments are encouraged not to customize the *venv* schemes.
When Python itself runs in a virtual environment,
sysconfig.get_default_scheme and
sysconfig.get_preferred_scheme with `key="prefix"` returns
*venv*.
bpo-44859: Raise more accurate exceptions in `sqlite3` (GH-27695)
* Improve exception compliance with PEP 249
* Raise InterfaceError instead of ProgrammingError for SQLITE_MISUSE.
If SQLITE_MISUSE is raised, it is a sqlite3 module bug. Users of the
sqlite3 module are not responsible for using the SQLite C API correctly.
* Don't overwrite BufferError with ValueError when conversion to BLOB fails.
* Raise ProgrammingError instead of Warning if user tries to execute() more
than one SQL statement.
* Raise ProgrammingError instead of ValueError if an SQL query contains null characters.
* Make sure `_pysqlite_set_result` raises an exception if it returns -1.
Steve Dower [Wed, 16 Mar 2022 15:23:35 +0000 (15:23 +0000)]
Fix some Windows release build script issues (GH-31931)
* Fix the condition used when excluding ARM64 packages from publish
* Do not publish anything unless the traditional installer works
* Fix disabling of MSI build
* Add override conditions for publish steps
* Allow overriding the Nuget version number during build
Christian Heimes [Mon, 14 Mar 2022 13:40:28 +0000 (15:40 +0200)]
bpo-40280: select: Use NULL for empty fdset (GH-31865)
wasm32-emscripten does not support exceptfds and requires NULL. Python
now passes NULL instead of a fdset pointer when the input list is empty.
This works fine on all platforms and might even be a tiny bit faster.
Matthew Rahtz [Sat, 12 Mar 2022 12:20:12 +0000 (12:20 +0000)]
bpo-43224: Implement PEP 646 changes to genericaliasobject.c (GH-31019)
Specifically, prepare for starring of tuples via a new genericalias iter type. GenericAlias also partially supports the iterator protocol after this change.
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com> Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com> Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
Oleksandr Pavlyk [Fri, 11 Mar 2022 22:19:35 +0000 (16:19 -0600)]
bpo-46968: Fix faulthandler for Sapphire Rapids Xeon (GH-31789)
In Linux kernel 5.14 one can dynamically request size of altstacksize
based on hardware capabilities with getauxval(AT_MINSIGSTKSZ).
This changes allows for Python extension's request to Linux kernel
to use AMX_TILE instruction set on Sapphire Rapids Xeon processor
to succeed, unblocking use of the ISA in frameworks.
Introduced HAVE_LINUX_AUXVEC_H in configure.ac and pyconfig.h.in
Used cpython_autoconf:269 docker container to generate configure.
slateny [Fri, 11 Mar 2022 19:05:51 +0000 (11:05 -0800)]
bpo-31327: Update time documentation to reflect possible errors (GH-31460)
As per the comments, this mirrors the [datetime documentation](https://docs.python.org/3/library/datetime.html#datetime.datetime.fromtimestamp).
```
>>> import time
>>> time.localtime(999999999999999999999)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
OverflowError: timestamp out of range for platform time_t
>>> time.localtime(-3600)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
OSError: [Errno 22] Invalid argument
```
Serhiy Storchaka [Fri, 11 Mar 2022 08:47:26 +0000 (10:47 +0200)]
bpo-44796: Unify TypeVar and ParamSpec substitution (GH-31143)
Add methods __typing_subst__() in TypeVar and ParamSpec.
Simplify code by using more object-oriented approach, especially
the C code for types.GenericAlias and the Python code for
collections.abc.Callable.
GH-30297 removed a duplicate `from test import support` statement from `test_asyncio.test_sslproto`. However, in between that PR being filed and it being merged, GH-31275 removed the _other_ `from test import support` statement. This means that `support` is now undefined in `test_asyncio.test_sslproto`, causing the CI to fail on all platforms for all PRS.
Matt Bogosian [Thu, 10 Mar 2022 14:42:15 +0000 (08:42 -0600)]
bpo-46581: Propagate private vars via _GenericAlias.copy_with (GH-31061)
GH-26091 added the _typevar_types and _paramspec_tvars instance
variables to _GenericAlias. However, they were not propagated
consistently. This commit addresses the most prominent deficiency
identified in bpo-46581 (namely their absence from
_GenericAlias.copy_with), but there could be others.
Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com> Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Christian Heimes [Thu, 10 Mar 2022 12:43:40 +0000 (14:43 +0200)]
bpo-40280: Skip more tests/features that don't apply to Emscripten (GH-31791)
- fd inheritance can't be modified because Emscripten doesn't support subprocesses anyway.
- setpriority always fails
- geteuid no longer causes problems with latest emsdk
- umask is a stub
- geteuid / getuid always return 0, but process cannot chown to random uid.