Victor Stinner [Tue, 12 Oct 2021 06:38:19 +0000 (08:38 +0200)]
bpo-45439: Move _PyObject_CallNoArgs() to pycore_call.h (GH-28895)
* Move _PyObject_CallNoArgs() to pycore_call.h (internal C API).
* _ssl, _sqlite and _testcapi extensions now call the public
PyObject_CallNoArgs() function, rather than _PyObject_CallNoArgs().
* _lsprof extension is now built with Py_BUILD_CORE_MODULE macro
defined to get access to internal _PyObject_CallNoArgs().
Victor Stinner [Mon, 11 Oct 2021 22:42:23 +0000 (00:42 +0200)]
bpo-45439: Rename _PyObject_CallNoArg() to _PyObject_CallNoArgs() (GH-28891)
Fix typo in the private _PyObject_CallNoArg() function name: rename
it to _PyObject_CallNoArgs() to be consistent with the public
function PyObject_CallNoArgs().
Victor Stinner [Mon, 11 Oct 2021 22:12:00 +0000 (00:12 +0200)]
bpo-45412: Move copysign() define to pycore_pymath.h (GH-28889)
Move definitions of copysign(), round(), hypot(), fmod(), etc. from
pymath.h to pycore_pymath.h. These functions are not exported by
libpython and so must not be part of the C API.
* Move limits.h include and UCHAR_MAX checks to pyport.h.
* Move sanitizers macros to pyport.h.
* Remove comment about <assert.h>: C extensions are built with NDEBUG
automatically by Python.
Rename Py_ADJUST_ERANGE1() and Py_ADJUST_ERANGE2() to
_Py_ADJUST_ERANGE1() and _Py_ADJUST_ERANGE2(), and convert these
macros to static inline functions.
bpo-45353: Remind sys.modules users to copy when iterating. (GH-28842)
This is true of all dictionaries in Python, but this one tends to
catch people off guard as they don't realize when sys.modules might
change out from underneath them as a hidden side effect of their
code. Copying it first avoids the RuntimeError. An example when
this happens in single threaded code are codecs being loaded which
are an implicit time of use import that most need not think about.
Victor Stinner [Fri, 8 Oct 2021 15:14:37 +0000 (17:14 +0200)]
bpo-45410: libregrtest -jN writes stderr into stdout (GH-28819)
When libregrtest spawns a worker process, stderr is now written into
stdout to keep messages order. Use a single pipe for stdout and
stderr, rather than two pipes. Previously, messages were out of order
which made analysis of buildbot logs harder
Victor Stinner [Thu, 7 Oct 2021 11:47:23 +0000 (13:47 +0200)]
bpo-45400: Fix suggestion test of test_exceptions (GH-28783)
Fix test_name_error_suggestions_do_not_trigger_for_too_many_locals()
of test_exceptions if a directory name contains "a1" (like
"Python-3.11.0a1"): use a stricter regular expression.
Ammar Askar [Wed, 6 Oct 2021 23:22:09 +0000 (19:22 -0400)]
bpo-29505: Add fuzzer for ast.literal_eval (GH-28777)
This supercedes https://github.com/python/cpython/pull/3437 and fuzzes the method we recommend for unsafe inputs, `ast.literal_eval`. This should exercise the tokenizer and parser.
Jakub Stasiak [Wed, 6 Oct 2021 18:23:02 +0000 (20:23 +0200)]
[doc] Mention __slots__ behavior in weakref.rst (GH-21061)
It took me longer than I expected to figure out why a random class
I dealt with didn't support weak references. I believe this addition
will make the __slots__/weakref interaction more discoverable to people
having troubles with this. (Before this patch __slots__ was not
mentioned in weakref documentation even once).
Eric Snow [Tue, 5 Oct 2021 17:26:37 +0000 (11:26 -0600)]
bpo-45020: Identify which frozen modules are actually aliases. (gh-28655)
In the list of generated frozen modules at the top of Tools/scripts/freeze_modules.py, you will find that some of the modules have a different name than the module (or .py file) that is actually frozen. Let's call each case an "alias". Aliases do not come into play until we get to the (generated) list of modules in Python/frozen.c. (The tool for freezing modules, Programs/_freeze_module, is only concerned with the source file, not the module it will be used for.)
Knowledge of which frozen modules are aliases (and the identity of the original module) normally isn't important. However, this information is valuable when we go to set __file__ on frozen stdlib modules. This change updates Tools/scripts/freeze_modules.py to map aliases to the original module name (or None if not a stdlib module) in Python/frozen.c. We also add a helper function in Python/import.c to look up a frozen module's alias and add the result of that function to the frozen info returned from find_frozen().
Eric Snow [Tue, 5 Oct 2021 16:01:27 +0000 (10:01 -0600)]
bpo-45324: Capture data in FrozenImporter.find_spec() to use in exec_module(). (gh-28633)
Before this change we end up duplicating effort and throwing away data in FrozenImporter.find_spec(). Now we do the work once in find_spec() and the only thing we do in FrozenImporter.exec_module() is turn the raw frozen data into a code object and then exec it.
We've added _imp.find_frozen(), add an arg to _imp.get_frozen_object(), and updated FrozenImporter. We've also moved some code around to reduce duplication, get a little more consistency in outcomes, and be more efficient.
Note that this change is mostly necessary if we want to set __file__ on frozen stdlib modules. (See https://bugs.python.org/issue21736.)
Ned Deily [Tue, 5 Oct 2021 10:02:57 +0000 (06:02 -0400)]
bpo-45163: Restrict added libnetwork check to builds on Haiku. (GH-28729)
For example, without the guard the check could cause macOS
installer builds to fail to install on older supported macOS
releases where libnetwork is not available and is not needed
on any release.