The function now sets temporarily the LC_CTYPE locale to the locale
of the category that determines the requested value if the locales are
different and the resulting string is non-ASCII.
This temporary change affects other threads.
Increase currently inadequate vertical spacing for the IDLE browsers (path,
module, and stack) on high-resolution monitors.
---------
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
gh-120762: make_ssl_certs: Don't set extensions for the CSR
`openssl req` fails with openssl 3.2.2 because the config line
authorityKeyIdentifier = keyid:always,issuer:always
is not supported for certificate signing requests (since the issuing
certificate authority is not known).
David von Oheimb, the OpenSSL dev that made the change, commented in:
https://github.com/openssl/openssl/issues/22966#issuecomment-1858396738 :
> This problem did not show up in older OpenSSL versions because of a bug:
> the `req` app ignored the `-extensions` option unless `-x505` is given,
> which I fixed in https://github.com/openssl/openssl/pull/16865.
(I assume `-x505` is a typo for `-x509`.)
In our `make_cert_key` function:
If `sign` is true:
- We don't pass `-x509` to `req`, so in this case it should be safe to
omit the `-extensions` argument. (Old OpenSSL ignores it, new OpenSSL
fails on it.)
- The extensions are passed to the `ca` call later in the function.
There they take effect, and `authorityKeyIdentifier` is valid.
If `sign` is false, this commit has no effect except rearranging the
CLI arguments.
* Spill the evaluation around escaping calls in the generated interpreter and JIT.
* The code generator tracks live, cached values so they can be saved to memory when needed.
* Spills the stack pointer around escaping calls, so that the exact stack is visible to the cycle GC.
* gh-117151: increase default buffer size of shutil.copyfileobj() to 256k.
it was set to 16k in the 1990s.
it was raised to 64k in 2019. the discussion at the time mentioned another 5% improvement by raising to 128k and settled for a very conservative setting.
it's 2024 now, I think it should be revisited to match modern hardware. I am measuring 0-15% performance improvement when raising to 256k on various types of disk. there is no downside as far as I can tell.
this function is only intended for sequential copy of full files (or file like objects). it's the typical use case that benefits from larger operations.
for reference, I came across this function while trying to profile pip that is using it to copy files when installing python packages.
* add news
---------
Co-authored-by: rmorotti <romain.morotti@man.com>
Instead of surprise crashes and memory corruption, we now hang threads that attempt to re-enter the Python interpreter after Python runtime finalization has started. These are typically daemon threads (our long standing mis-feature) but could also be threads spawned by extension modules that then try to call into Python. This marks the `PyThread_exit_thread` public C API as deprecated as there is no plausible safe way to accomplish that on any supported platform in the face of things like C++ code with finalizers anywhere on a thread's stack. Doing this was the least bad option.
Co-authored-by: Gregory P. Smith <greg@krypto.org>
Fix the incorrect use of `os.open()` result as a context manager,
while it is actually a numeric file descriptor.
I have missed the problem, because in the original version the
`os.open()` call would always fail, and I failed to test the final
version in all possible scenarios properly.
This is actually an upstream problem in curses, and has been reported
to them already:
https://lists.gnu.org/archive/html/bug-ncurses/2024-09/msg00101.html
This is a nice workaround in the meantime to prevent the segfault.
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Previously when executing ``test_functattrs.test___builtins__`` directly, it failed because the fact, that ``__builtins__`` is refers to the built-in module ``builtins`` while it's expects a ``__builtins__.__dict__``. But when this test is being run from another module, then ``__builtins__`` is refers to ``builtins.__dict__``. Now this part of the behaviour is covered.
---------
Co-authored-by: Victor Stinner <vstinner@python.org>
Previously, formatting help output or error message for positional argument
with a tuple metavar raised exception.
Co-authored-by: Cyker Way <cykerway@gmail.com>
It can now have one of three forms:
* basename(argv0) -- for simple scripts
* python arv0 -- for directories, ZIP files, etc
* python -m module -- for imported modules
Co-authored-by: Alyssa Coghlan <ncoghlan@gmail.com>
This is to allow the `dataclasses.make_dataclass` infrastructure to be used with another decorator that's compliant with `typing.dataclass_transform`. The new `decorator` argument to `dataclasses.make_dataclass` is `dataclasses.dataclass`, which used to be hard coded.
* Revert "GH-124639: add back loop param to staggered_race (#124700)"
This reverts commit e0a41a5dd1.
* Revert "gh-124309: Modernize the `staggered_race` implementation to support eager task factories (#124390)"
This reverts commit de929f353c.
* gh-124613: Don't run perf tests in JIT builds
Signed-off-by: Pablo Galindo <pablogsal@gmail.com>
* Apply suggestions from code review
Co-authored-by: Victor Stinner <vstinner@python.org>
---------
Signed-off-by: Pablo Galindo <pablogsal@gmail.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
PR #121089 added an eager import for types.MethodType, but
still left the existing hacks for lazily importing from types.
We could also create MethodType internally in functools.py (e.g.,
by using `type(Placeholder.__repr__)`, but it feels not worth it at
this point, so instead I unlazified all the usages of types in the
module.
Positional arguments with nargs equal to '?' or '*' no longer check
default against choices.
Optional arguments with nargs equal to '?' no longer check const
against choices.
* Setting the __module__ attribute for a class now removes the
__firstlineno__ item from the type's dict.
* The _collections_abc and _pydecimal modules now completely replace the
collections.abc and decimal modules after importing them. This
allows to get the source of classes and functions defined in these
modules.
* inspect.findsource() now checks whether the first line number for a
class is out of bound.
Change the default multiprocessing start method away from fork to forkserver or spawn on the remaining platforms where it was fork. See the issue for context. This makes the default far more thread safe (other than for people spawning threads at import time... - don't do that!).
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
* Reduce the number of iterations and the number of threads so a
whole test file takes less than a minute.
* Refactor test_racing_iter_extend() to remove two levels of
indentation.
* test_monitoring() uses a sleep of 100 ms instead of 1 second.
* Add NEWS.d entry
* Allow ISO-8601 24:00 alternative to midnight on datetime.time.fromisoformat()
* Allow ISO-8601 24:00 alternative to midnight on datetime.datetime.fromisoformat()
* Add NEWS.d entry
* Improve error message when hour is 24 and minute/second/microsecond is not 0
* Add tests for 24:00 fromisoformat
* Remove duplicate call to days_in_month() by storing in variable
* Add Python implementation
* Fix Lint
* Fix differing error msg in datetime.fromisoformat implementations when 24hrs has non-zero time component(s)
* Fix using time components inside tzinfo in Python implementation
* Don't parse tzinfo in C implementation when invalid iso midnight
* Remove duplicated variable in datetime test assertion line
* Add self to acknowledgements
* Remove duplicate NEWS entry
* Linting
* Add missing test case for when wrapping the year makes it invalid (too large)
* Lib/test/certdata: do not hardcode reference cert data into tests
The script was simply printing the reference data and asking
users to update it by hand into the test suites. This can
be easily improved by writing the data into files and
having the test cases load the files.
* make_ssl_certs: make it possible to pass in expiration dates from command line
Note that in this commit, the defaults are same as they were,
so if nothing is specified the script works as before.
---------
Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Often, ForwardRefs represent a single simple name. In that case, we
can avoid going through the overhead of creating AST nodes and code
objects and calling eval(): we can simply look up the name directly
in the relevant namespaces.
Co-authored-by: Victor Stinner <vstinner@python.org>
typing.get_origin() does what we need here, without reaching into
typing internals. This shouldn't change any behavior (so I am going
to skip news), but it sets a good example for other users introspecting
typing objects.
* Detect source file encoding.
* Use the "replace" error handler even for UTF-8 (default) encoding.
* Remove the BOM.
* Fix detection of too long lines if they contain NUL.
* Return the head rather than the tail for truncated long lines.
This allows to use positional argument with nargs='*' and without default
in mutually exclusive group and improves error message about required
arguments.
Arguments with the value identical to the default value (e.g. booleans,
small integers, empty or 1-character strings) are no longer considered
"not present".
- If setting `_fields_` fails, e.g. with AttributeError, don't set the attribute in `__dict__`
- Document the “finalization” behaviour
- Beef up tests: add `getattr`, test Union as well as Structure
- Put common functionality in a common function
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
In case of usage a long command along with max_help_position more than
the length of the command, the command's help was incorrectly started
on the new line.
Co-authored-by: Pavel Ditenbir <pavel.ditenbir@gmail.com>
We were sometimes passing None as the globals argument to eval(), which makes it
inherit the globals from the calling scope. Instead, ensure that globals is always
non-None. The test was passing accidentally because I passed "annotationlib" as a
module object; fix that. Also document the parameters to ForwardRef() and remove
two unused private ones.
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
https://github.com/python/cpython/issues/88496 replaced text.update with text.update_idletasks in colorizer.py and outwin.py to fix test failures on macOS. While theoretically correct, the result was Shell freezing when receiving continuous short strings to print. Test: `while 1: 1`.
The guess is that there is no idle time in which to do the screen update. Reverting the change in one of the files,
outwin, fixes the issue. Colorizer runs ever 1/20 second and seems to work fine.
When running test-outwin on macOS, alias 'update'
to 'update_idletasks on the text used for testing.
Add a helper function that checks whether the test suite is running
inside a systemd-nspawn container, and skip the few tests failing
with `--suppress-sync=true` in that case. The tests are failing because
`--suppress-sync=true` stubs out `fsync()`, `fdatasync()` and `msync()`
calls, and therefore they always return success without checking for
invalid arguments.
Call `os.open(__file__, os.O_RDONLY | os.O_SYNC)` and check the errno to
detect whether `--suppress-sync=true` is actually used, and skip
the tests only in that scenario.
Debian (and derivatives) provide a /usr/bin/pager binary, managed by the
alternatives system, that always points to an available pager utility.
Allow _pyrepl to use it, to follow system policy.
This is a very trivial change, from a patch that Debian has been
carrying since 2.7 era. Seems appropriate to upstream.
https://bugs.debian.org/799555
Multiple places in the I/O stack optimize common cases by using the
information from stat. Currently individual members are extracted from
the stat and stored into the fileio struct. Refactor the code to store
the whole stat struct instead.
Parallels the changes to _io. The `stat` Python object doesn't allow
changing members, so rather than modifying estimated_size, just clear
the value.
pyrepl: Support Del, PgUp, and PgDn on TERM=vt100
From Fedora's /etc/inputrc:
"\e[5~": history-search-backward
"\e[6~": history-search-forward
"\e[3~": delete-char
Fixes https://github.com/python/cpython/issues/124027
Use a `_PyStackRef` and defer the reference to `f_executable` when
possible. This avoids some reference count contention in the common case
of executing the same code object from multiple threads concurrently in
the free-threaded build.
* gh-116608: Apply style and compatibility changes from importlib_metadata.
* gh-121735: Ensure module-adjacent resources are loadable from a zipfile.
* gh-121735: Allow all modules to be processed by the ZipReader.
* Add blurb
* Remove update-zips script, unneeded.
* Remove unnecessary references to removed static fixtures.
* Remove zipdata fixtures, unused.
In gh-121602, I applied a fix to a builtin types initialization bug.
That fix made sense in the context of some broader future changes,
but introduced a little bit of extra complexity. That fix has turned
out to be incomplete for some of the builtin types we haven't
been testing. I found that out while improving the tests.
A while back, @markshannon suggested a simpler fix that doesn't
have that problem, which I've already applied to 3.12 and 3.13.
I'm switching to that here. Given the potential long-term
benefits of the more complex (but still incomplete) approach,
I'll circle back to it in the future, particularly after I've improved
the tests so no corner cases slip through the cracks.
(This is effectively a "forward-port" of 716c677 from 3.13.)
* Raise PicklingError instead of UnicodeEncodeError, ValueError
and AttributeError in both implementations.
* Chain the original exception to the pickle-specific one as __context__.
* Include the error message of ImportError and some AttributeError in
the PicklingError error message.
* Unify error messages between Python and C implementations.
* Refer to documented __reduce__ and __newobj__ callables instead of
internal methods (e.g. save_reduce()) or pickle opcodes (e.g. NEWOBJ).
* Include more details in error messages (what expected, what got).
* Avoid including a potentially long repr of an arbitrary object in
error messages.
This switches the main pyrepl event loop to always be non-blocking so that it
can listen to incoming interruptions from other threads.
This also resolves invalid display of exceptions from other threads
(gh-123178).
This also fixes freezes with pasting and an active input hook.
Use a `PyMutex` to avoid the race in mutex initialization. Use relaxed
atomics to avoid the data race on reading `_PyOS_ReadlineTState` when
checking for re-entrant calls.
Setting dev_mode to 1 in an isolated configuration now enables also
faulthandler.
Moreover, setting "module_search_paths" option with
PyInitConfig_SetStrList() now sets "module_search_paths_set" to 1.
Improve import time of `socket` by writing `socket.errorTab`
as a constant and lazy import modules.
Co-authored-by: Pieter Eendebak <pieter.eendebak@gmail.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
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