Mailman 3 May 2021 - Python-checkins

bpo-44246: Remove note about access by index now that a compatibility shim is offered. (GH-26472) (#26473)
by jaraco 31 May '21

31 May '21

https://github.com/python/cpython/commit/d0991e2db3bb932e2411ee9dca54fd69ff… commit: d0991e2db3bb932e2411ee9dca54fd69ff2611c4 branch: 3.10 author: Miss Islington (bot) <31488909+miss-islington(a)users.noreply.github.com> committer: jaraco <jaraco(a)jaraco.com> date: 2021-05-31T18:29:08-04:00 summary: bpo-44246: Remove note about access by index now that a compatibility shim is offered. (GH-26472) (#26473) (cherry picked from commit 78d9a9b1904f0e1d9db1e941c19782f4f5a881d4) Co-authored-by: Jason R. Coombs <jaraco(a)jaraco.com> Co-authored-by: Jason R. Coombs <jaraco(a)jaraco.com> files: M Doc/whatsnew/3.10.rst diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst index 1297a8168f4c21..1bf44511e21f68 100644 --- a/Doc/whatsnew/3.10.rst +++ b/Doc/whatsnew/3.10.rst @@ -1039,7 +1039,7 @@ and will be incorrect in some rare cases, including some ``_``-s in importlib.metadata ------------------ -Feature parity with ``importlib_metadata`` 4.2 +Feature parity with ``importlib_metadata`` 4.4 (`history <https://importlib-metadata.readthedocs.io/en/latest/history.html>`_). :ref:`importlib.metadata entry points <entry-points>` @@ -1047,9 +1047,6 @@ now provides a nicer experience for selecting entry points by group and name through a new :class:`importlib.metadata.EntryPoints` class. See the Compatibility Note in the docs for more info on the deprecation and usage. -Incidentally, these changes also removed access by index on the -result of :func:`importlib.metadata.Distribution.entry_points` -(see :issue:`44246` for more detail). Added :func:`importlib.metadata.packages_distributions` for resolving top-level Python modules and packages to their

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bpo-44260: Do not read system entropy without need in Random() (GH-26455)
by serhiy-storchaka 31 May '21

31 May '21

https://github.com/python/cpython/commit/a6a20658814e8668966fc86de0e80a4772… commit: a6a20658814e8668966fc86de0e80a4772864781 branch: main author: Serhiy Storchaka <storchaka(a)gmail.com> committer: serhiy-storchaka <storchaka(a)gmail.com> date: 2021-05-31T23:24:20+03:00 summary: bpo-44260: Do not read system entropy without need in Random() (GH-26455) files: A Misc/NEWS.d/next/Library/2021-05-30-13-32-09.bpo-44260.ROEbVd.rst M Lib/test/test_random.py M Modules/_randommodule.c diff --git a/Lib/test/test_random.py b/Lib/test/test_random.py index c2dd50b981bb2..448624b79be5d 100644 --- a/Lib/test/test_random.py +++ b/Lib/test/test_random.py @@ -374,23 +374,6 @@ def test_pickling(self): restoredseq = [newgen.random() for i in range(10)] self.assertEqual(origseq, restoredseq) - @test.support.cpython_only - def test_bug_41052(self): - # _random.Random should not be allowed to serialization - import _random - for proto in range(pickle.HIGHEST_PROTOCOL + 1): - r = _random.Random() - self.assertRaises(TypeError, pickle.dumps, r, proto) - - @test.support.cpython_only - def test_bug_42008(self): - # _random.Random should call seed with first element of arg tuple - import _random - r1 = _random.Random() - r1.seed(8675309) - r2 = _random.Random(8675309) - self.assertEqual(r1.random(), r2.random()) - def test_bug_1727780(self): # verify that version-2-pickles can be loaded # fine, whether they are created on 32-bit or 64-bit @@ -573,6 +556,25 @@ def test_randbelow_logic(self, _log=log, int=int): self.assertTrue(2**k > n > 2**(k-1)) # note the stronger assertion +class TestRawMersenneTwister(unittest.TestCase): + @test.support.cpython_only + def test_bug_41052(self): + # _random.Random should not be allowed to serialization + import _random + for proto in range(pickle.HIGHEST_PROTOCOL + 1): + r = _random.Random() + self.assertRaises(TypeError, pickle.dumps, r, proto) + + @test.support.cpython_only + def test_bug_42008(self): + # _random.Random should call seed with first element of arg tuple + import _random + r1 = _random.Random() + r1.seed(8675309) + r2 = _random.Random(8675309) + self.assertEqual(r1.random(), r2.random()) + + class MersenneTwister_TestBasicOps(TestBasicOps, unittest.TestCase): gen = random.Random() diff --git a/Misc/NEWS.d/next/Library/2021-05-30-13-32-09.bpo-44260.ROEbVd.rst b/Misc/NEWS.d/next/Library/2021-05-30-13-32-09.bpo-44260.ROEbVd.rst new file mode 100644 index 0000000000000..a63af627e6fbf --- /dev/null +++ b/Misc/NEWS.d/next/Library/2021-05-30-13-32-09.bpo-44260.ROEbVd.rst @@ -0,0 +1,2 @@ +The :class:`random.Random` constructor no longer reads system entropy +without need. diff --git a/Modules/_randommodule.c b/Modules/_randommodule.c index 0137e34da650a..7ad4299bc321b 100644 --- a/Modules/_randommodule.c +++ b/Modules/_randommodule.c @@ -263,10 +263,10 @@ random_seed_time_pid(RandomObject *self) init_by_array(self, key, Py_ARRAY_LENGTH(key)); } -static PyObject * +static int random_seed(RandomObject *self, PyObject *arg) { - PyObject *result = NULL; /* guilty until proved innocent */ + int result = -1; /* guilty until proved innocent */ PyObject *n = NULL; uint32_t *key = NULL; size_t bits, keyused; @@ -280,7 +280,7 @@ random_seed(RandomObject *self, PyObject *arg) use the current time and process identifier. */ random_seed_time_pid(self); } - Py_RETURN_NONE; + return 0; } /* This algorithm relies on the number being unsigned. @@ -339,8 +339,7 @@ random_seed(RandomObject *self, PyObject *arg) #endif init_by_array(self, key, keyused); - Py_INCREF(Py_None); - result = Py_None; + result = 0; Done: Py_XDECREF(n); @@ -365,7 +364,10 @@ static PyObject * _random_Random_seed_impl(RandomObject *self, PyObject *n) /*[clinic end generated code: output=0fad1e16ba883681 input=78d6ef0d52532a54]*/ { - return random_seed(self, n); + if (random_seed(self, n) < 0) { + return NULL; + } + Py_RETURN_NONE; } /*[clinic input] @@ -515,39 +517,26 @@ _random_Random_getrandbits_impl(RandomObject *self, int k) return result; } -static PyObject * -random_new(PyTypeObject *type, PyObject *args, PyObject *kwds) +static int +random_init(RandomObject *self, PyObject *args, PyObject *kwds) { - RandomObject *self; - PyObject *tmp; PyObject *arg = NULL; - _randomstate *state = _randomstate_type(type); + _randomstate *state = _randomstate_type(Py_TYPE(self)); - if (type == (PyTypeObject*)state->Random_Type && + if (Py_IS_TYPE(self, (PyTypeObject *)state->Random_Type) && !_PyArg_NoKeywords("Random()", kwds)) { - return NULL; + return -1; } - self = (RandomObject *)PyType_GenericAlloc(type, 0); - if (self == NULL) - return NULL; - if (PyTuple_GET_SIZE(args) > 1) { PyErr_SetString(PyExc_TypeError, "Random() requires 0 or 1 argument"); - return NULL; + return -1; } if (PyTuple_GET_SIZE(args) == 1) arg = PyTuple_GET_ITEM(args, 0); - tmp = random_seed(self, arg); - if (tmp == NULL) { - Py_DECREF(self); - return NULL; - } - Py_DECREF(tmp); - - return (PyObject *)self; + return random_seed(self, arg); } @@ -566,7 +555,8 @@ PyDoc_STRVAR(random_doc, static PyType_Slot Random_Type_slots[] = { {Py_tp_doc, (void *)random_doc}, {Py_tp_methods, random_methods}, - {Py_tp_new, random_new}, + {Py_tp_new, PyType_GenericNew}, + {Py_tp_init, random_init}, {Py_tp_free, PyObject_Free}, {0, 0}, };

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[3.10] bpo-44246: Restore compatibility in entry_points (GH-26468) (GH-26471)
by miss-islington 31 May '21

31 May '21

https://github.com/python/cpython/commit/7207203e1d71e4bf65e5b4991f60e7dc1e… commit: 7207203e1d71e4bf65e5b4991f60e7dc1e35e813 branch: 3.10 author: Miss Islington (bot) <31488909+miss-islington(a)users.noreply.github.com> committer: miss-islington <31488909+miss-islington(a)users.noreply.github.com> date: 2021-05-31T09:41:55-07:00 summary: [3.10] bpo-44246: Restore compatibility in entry_points (GH-26468) (GH-26471) * [bpo-44246](): Entry points performance improvements. >From importlib_metadata 4.3.1. * [bpo-44246](): Sync with importlib_metadata 4.4 (cherry picked from commit c34ed08d975fb7daa7b329f7c631647782290393) Co-authored-by: Jason R. Coombs <jaraco(a)jaraco.com> Automerge-Triggered-By: GH:jaraco files: A Misc/NEWS.d/next/Library/2021-05-31-11-34-56.bpo-44246.yHAkF0.rst M Lib/importlib/metadata/__init__.py M Lib/test/test_importlib/test_metadata_api.py diff --git a/Lib/importlib/metadata/__init__.py b/Lib/importlib/metadata/__init__.py index 2e3403e5a565c..d2116cfe6f7d6 100644 --- a/Lib/importlib/metadata/__init__.py +++ b/Lib/importlib/metadata/__init__.py @@ -204,7 +204,100 @@ def matches(self, **params): return all(map(operator.eq, params.values(), attrs)) -class EntryPoints(tuple): +class DeprecatedList(list): + """ + Allow an otherwise immutable object to implement mutability + for compatibility. + + >>> recwarn = getfixture('recwarn') + >>> dl = DeprecatedList(range(3)) + >>> dl[0] = 1 + >>> dl.append(3) + >>> del dl[3] + >>> dl.reverse() + >>> dl.sort() + >>> dl.extend([4]) + >>> dl.pop(-1) + 4 + >>> dl.remove(1) + >>> dl += [5] + >>> dl + [6] + [1, 2, 5, 6] + >>> dl + (6,) + [1, 2, 5, 6] + >>> dl.insert(0, 0) + >>> dl + [0, 1, 2, 5] + >>> dl == [0, 1, 2, 5] + True + >>> dl == (0, 1, 2, 5) + True + >>> len(recwarn) + 1 + """ + + _warn = functools.partial( + warnings.warn, + "EntryPoints list interface is deprecated. Cast to list if needed.", + DeprecationWarning, + stacklevel=2, + ) + + def __setitem__(self, *args, **kwargs): + self._warn() + return super().__setitem__(*args, **kwargs) + + def __delitem__(self, *args, **kwargs): + self._warn() + return super().__delitem__(*args, **kwargs) + + def append(self, *args, **kwargs): + self._warn() + return super().append(*args, **kwargs) + + def reverse(self, *args, **kwargs): + self._warn() + return super().reverse(*args, **kwargs) + + def extend(self, *args, **kwargs): + self._warn() + return super().extend(*args, **kwargs) + + def pop(self, *args, **kwargs): + self._warn() + return super().pop(*args, **kwargs) + + def remove(self, *args, **kwargs): + self._warn() + return super().remove(*args, **kwargs) + + def __iadd__(self, *args, **kwargs): + self._warn() + return super().__iadd__(*args, **kwargs) + + def __add__(self, other): + if not isinstance(other, tuple): + self._warn() + other = tuple(other) + return self.__class__(tuple(self) + other) + + def insert(self, *args, **kwargs): + self._warn() + return super().insert(*args, **kwargs) + + def sort(self, *args, **kwargs): + self._warn() + return super().sort(*args, **kwargs) + + def __eq__(self, other): + if not isinstance(other, tuple): + self._warn() + other = tuple(other) + + return tuple(self).__eq__(other) + + +class EntryPoints(DeprecatedList): """ An immutable collection of selectable EntryPoint objects. """ @@ -215,6 +308,14 @@ def __getitem__(self, name): # -> EntryPoint: """ Get the EntryPoint in self matching name. """ + if isinstance(name, int): + warnings.warn( + "Accessing entry points by index is deprecated. " + "Cast to tuple if needed.", + DeprecationWarning, + stacklevel=2, + ) + return super().__getitem__(name) try: return next(iter(self.select(name=name))) except StopIteration: diff --git a/Lib/test/test_importlib/test_metadata_api.py b/Lib/test/test_importlib/test_metadata_api.py index 825edc10f121a..3506493463d82 100644 --- a/Lib/test/test_importlib/test_metadata_api.py +++ b/Lib/test/test_importlib/test_metadata_api.py @@ -130,6 +130,22 @@ def test_entry_points_dict_construction(self): assert expected.category is DeprecationWarning assert "Construction of dict of EntryPoints is deprecated" in str(expected) + def test_entry_points_by_index(self): + """ + Prior versions of Distribution.entry_points would return a + tuple that allowed access by index. + Capture this now deprecated use-case + See python/importlib_metadata#300 and bpo-44246. + """ + eps = distribution('distinfo-pkg').entry_points + with warnings.catch_warnings(record=True) as caught: + eps[0] + + # check warning + expected = next(iter(caught)) + assert expected.category is DeprecationWarning + assert "Accessing entry points by index is deprecated" in str(expected) + def test_entry_points_groups_getitem(self): # Prior versions of entry_points() returned a dict. Ensure # that callers using '.__getitem__()' are supported but warned to diff --git a/Misc/NEWS.d/next/Library/2021-05-31-11-34-56.bpo-44246.yHAkF0.rst b/Misc/NEWS.d/next/Library/2021-05-31-11-34-56.bpo-44246.yHAkF0.rst new file mode 100644 index 0000000000000..b93f8b02dc476 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2021-05-31-11-34-56.bpo-44246.yHAkF0.rst @@ -0,0 +1,7 @@ +In ``importlib.metadata``, restore compatibility in the result from +``Distribution.entry_points`` (``EntryPoints``) to honor expectations in +older implementations and issuing deprecation warnings for these cases: A. ``EntryPoints`` objects are once again mutable, allowing for ``sort()`` +and other list-based mutation operations. Avoid deprecation warnings by +casting to a mutable sequence (e.g. ``list(dist.entry_points).sort()``). B. ``EntryPoints`` results once again allow for access by index. To avoid +deprecation warnings, cast the result to a Sequence first (e.g. +``tuple(dist.entry_points)[0]``).

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bpo-44246: Remove note about access by index now that a compatibility shim is offered. (GH-26472)
by jaraco 31 May '21

31 May '21

https://github.com/python/cpython/commit/78d9a9b1904f0e1d9db1e941c19782f4f5… commit: 78d9a9b1904f0e1d9db1e941c19782f4f5a881d4 branch: main author: Jason R. Coombs <jaraco(a)jaraco.com> committer: jaraco <jaraco(a)jaraco.com> date: 2021-05-31T12:29:24-04:00 summary: bpo-44246: Remove note about access by index now that a compatibility shim is offered. (GH-26472) files: M Doc/whatsnew/3.10.rst diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst index 8b6637b4474563..5b5903cb059356 100644 --- a/Doc/whatsnew/3.10.rst +++ b/Doc/whatsnew/3.10.rst @@ -1039,7 +1039,7 @@ and will be incorrect in some rare cases, including some ``_``-s in importlib.metadata ------------------ -Feature parity with ``importlib_metadata`` 4.2 +Feature parity with ``importlib_metadata`` 4.4 (`history <https://importlib-metadata.readthedocs.io/en/latest/history.html>`_). :ref:`importlib.metadata entry points <entry-points>` @@ -1047,9 +1047,6 @@ now provides a nicer experience for selecting entry points by group and name through a new :class:`importlib.metadata.EntryPoints` class. See the Compatibility Note in the docs for more info on the deprecation and usage. -Incidentally, these changes also removed access by index on the -result of :func:`importlib.metadata.Distribution.entry_points` -(see :issue:`44246` for more detail). Added :func:`importlib.metadata.packages_distributions` for resolving top-level Python modules and packages to their

1 0

bpo-44246: Restore compatibility in entry_points (GH-26468)
by jaraco 31 May '21

31 May '21

https://github.com/python/cpython/commit/c34ed08d975fb7daa7b329f7c631647782… commit: c34ed08d975fb7daa7b329f7c631647782290393 branch: main author: Jason R. Coombs <jaraco(a)jaraco.com> committer: jaraco <jaraco(a)jaraco.com> date: 2021-05-31T12:19:42-04:00 summary: bpo-44246: Restore compatibility in entry_points (GH-26468) * bpo-44246: Entry points performance improvements. >From importlib_metadata 4.3.1. * bpo-44246: Sync with importlib_metadata 4.4 files: A Misc/NEWS.d/next/Library/2021-05-31-11-34-56.bpo-44246.yHAkF0.rst M Lib/importlib/metadata/__init__.py M Lib/test/test_importlib/test_metadata_api.py diff --git a/Lib/importlib/metadata/__init__.py b/Lib/importlib/metadata/__init__.py index 2e3403e5a565c..d2116cfe6f7d6 100644 --- a/Lib/importlib/metadata/__init__.py +++ b/Lib/importlib/metadata/__init__.py @@ -204,7 +204,100 @@ def matches(self, **params): return all(map(operator.eq, params.values(), attrs)) -class EntryPoints(tuple): +class DeprecatedList(list): + """ + Allow an otherwise immutable object to implement mutability + for compatibility. + + >>> recwarn = getfixture('recwarn') + >>> dl = DeprecatedList(range(3)) + >>> dl[0] = 1 + >>> dl.append(3) + >>> del dl[3] + >>> dl.reverse() + >>> dl.sort() + >>> dl.extend([4]) + >>> dl.pop(-1) + 4 + >>> dl.remove(1) + >>> dl += [5] + >>> dl + [6] + [1, 2, 5, 6] + >>> dl + (6,) + [1, 2, 5, 6] + >>> dl.insert(0, 0) + >>> dl + [0, 1, 2, 5] + >>> dl == [0, 1, 2, 5] + True + >>> dl == (0, 1, 2, 5) + True + >>> len(recwarn) + 1 + """ + + _warn = functools.partial( + warnings.warn, + "EntryPoints list interface is deprecated. Cast to list if needed.", + DeprecationWarning, + stacklevel=2, + ) + + def __setitem__(self, *args, **kwargs): + self._warn() + return super().__setitem__(*args, **kwargs) + + def __delitem__(self, *args, **kwargs): + self._warn() + return super().__delitem__(*args, **kwargs) + + def append(self, *args, **kwargs): + self._warn() + return super().append(*args, **kwargs) + + def reverse(self, *args, **kwargs): + self._warn() + return super().reverse(*args, **kwargs) + + def extend(self, *args, **kwargs): + self._warn() + return super().extend(*args, **kwargs) + + def pop(self, *args, **kwargs): + self._warn() + return super().pop(*args, **kwargs) + + def remove(self, *args, **kwargs): + self._warn() + return super().remove(*args, **kwargs) + + def __iadd__(self, *args, **kwargs): + self._warn() + return super().__iadd__(*args, **kwargs) + + def __add__(self, other): + if not isinstance(other, tuple): + self._warn() + other = tuple(other) + return self.__class__(tuple(self) + other) + + def insert(self, *args, **kwargs): + self._warn() + return super().insert(*args, **kwargs) + + def sort(self, *args, **kwargs): + self._warn() + return super().sort(*args, **kwargs) + + def __eq__(self, other): + if not isinstance(other, tuple): + self._warn() + other = tuple(other) + + return tuple(self).__eq__(other) + + +class EntryPoints(DeprecatedList): """ An immutable collection of selectable EntryPoint objects. """ @@ -215,6 +308,14 @@ def __getitem__(self, name): # -> EntryPoint: """ Get the EntryPoint in self matching name. """ + if isinstance(name, int): + warnings.warn( + "Accessing entry points by index is deprecated. " + "Cast to tuple if needed.", + DeprecationWarning, + stacklevel=2, + ) + return super().__getitem__(name) try: return next(iter(self.select(name=name))) except StopIteration: diff --git a/Lib/test/test_importlib/test_metadata_api.py b/Lib/test/test_importlib/test_metadata_api.py index 825edc10f121a..3506493463d82 100644 --- a/Lib/test/test_importlib/test_metadata_api.py +++ b/Lib/test/test_importlib/test_metadata_api.py @@ -130,6 +130,22 @@ def test_entry_points_dict_construction(self): assert expected.category is DeprecationWarning assert "Construction of dict of EntryPoints is deprecated" in str(expected) + def test_entry_points_by_index(self): + """ + Prior versions of Distribution.entry_points would return a + tuple that allowed access by index. + Capture this now deprecated use-case + See python/importlib_metadata#300 and bpo-44246. + """ + eps = distribution('distinfo-pkg').entry_points + with warnings.catch_warnings(record=True) as caught: + eps[0] + + # check warning + expected = next(iter(caught)) + assert expected.category is DeprecationWarning + assert "Accessing entry points by index is deprecated" in str(expected) + def test_entry_points_groups_getitem(self): # Prior versions of entry_points() returned a dict. Ensure # that callers using '.__getitem__()' are supported but warned to diff --git a/Misc/NEWS.d/next/Library/2021-05-31-11-34-56.bpo-44246.yHAkF0.rst b/Misc/NEWS.d/next/Library/2021-05-31-11-34-56.bpo-44246.yHAkF0.rst new file mode 100644 index 0000000000000..b93f8b02dc476 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2021-05-31-11-34-56.bpo-44246.yHAkF0.rst @@ -0,0 +1,7 @@ +In ``importlib.metadata``, restore compatibility in the result from +``Distribution.entry_points`` (``EntryPoints``) to honor expectations in +older implementations and issuing deprecation warnings for these cases: A. ``EntryPoints`` objects are once again mutable, allowing for ``sort()`` +and other list-based mutation operations. Avoid deprecation warnings by +casting to a mutable sequence (e.g. ``list(dist.entry_points).sort()``). B. ``EntryPoints`` results once again allow for access by index. To avoid +deprecation warnings, cast the result to a Sequence first (e.g. +``tuple(dist.entry_points)[0]``).

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bpo-44246: Entry points performance improvements. (GH-26467)
by miss-islington 31 May '21

31 May '21

https://github.com/python/cpython/commit/d1480ad2f5d5f02ecbe4b4091e8c428ddf… commit: d1480ad2f5d5f02ecbe4b4091e8c428ddfa39ff6 branch: 3.10 author: Miss Islington (bot) <31488909+miss-islington(a)users.noreply.github.com> committer: miss-islington <31488909+miss-islington(a)users.noreply.github.com> date: 2021-05-31T09:12:32-07:00 summary: bpo-44246: Entry points performance improvements. (GH-26467) >From importlib_metadata 4.3.1. (cherry picked from commit 410b70d39d9d77384f8b8597560f6731530149ca) Co-authored-by: Jason R. Coombs <jaraco(a)jaraco.com> files: A Misc/NEWS.d/next/Library/2021-05-31-11-28-03.bpo-44246.nhmt-v.rst M Lib/importlib/metadata/__init__.py M Lib/test/test_importlib/test_zip.py diff --git a/Lib/importlib/metadata/__init__.py b/Lib/importlib/metadata/__init__.py index 94b83869a68550..2e3403e5a565cb 100644 --- a/Lib/importlib/metadata/__init__.py +++ b/Lib/importlib/metadata/__init__.py @@ -493,6 +493,11 @@ def name(self): """Return the 'Name' metadata for the distribution package.""" return self.metadata['Name'] + @property + def _normalized_name(self): + """Return a normalized version of the name.""" + return Prepared.normalize(self.name) + @property def version(self): """Return the 'Version' metadata for the distribution package.""" @@ -795,6 +800,22 @@ def read_text(self, filename): def locate_file(self, path): return self._path.parent / path + @property + def _normalized_name(self): + """ + Performance optimization: where possible, resolve the + normalized name from the file system path. + """ + stem = os.path.basename(str(self._path)) + return self._name_from_stem(stem) or super()._normalized_name + + def _name_from_stem(self, stem): + name, ext = os.path.splitext(stem) + if ext not in ('.dist-info', '.egg-info'): + return + name, sep, rest = stem.partition('-') + return name + def distribution(distribution_name): """Get the ``Distribution`` instance for the named package. @@ -849,7 +870,8 @@ def entry_points(**params) -> Union[EntryPoints, SelectableGroups]: :return: EntryPoints or SelectableGroups for all installed packages. """ - unique = functools.partial(unique_everseen, key=operator.attrgetter('name')) + norm_name = operator.attrgetter('_normalized_name') + unique = functools.partial(unique_everseen, key=norm_name) eps = itertools.chain.from_iterable( dist.entry_points for dist in unique(distributions()) ) diff --git a/Lib/test/test_importlib/test_zip.py b/Lib/test/test_importlib/test_zip.py index 83e041385e0e8c..bf16a3b95e18c5 100644 --- a/Lib/test/test_importlib/test_zip.py +++ b/Lib/test/test_importlib/test_zip.py @@ -76,3 +76,7 @@ def test_files(self): for file in files('example'): path = str(file.dist.locate_file(file)) assert '.egg/' in path, path + + def test_normalized_name(self): + dist = distribution('example') + assert dist._normalized_name == 'example' diff --git a/Misc/NEWS.d/next/Library/2021-05-31-11-28-03.bpo-44246.nhmt-v.rst b/Misc/NEWS.d/next/Library/2021-05-31-11-28-03.bpo-44246.nhmt-v.rst new file mode 100644 index 00000000000000..727d9fd0a19d8a --- /dev/null +++ b/Misc/NEWS.d/next/Library/2021-05-31-11-28-03.bpo-44246.nhmt-v.rst @@ -0,0 +1,3 @@ +In importlib.metadata.entry_points, de-duplication of distributions no +longer requires loading the full metadata for PathDistribution objects, +improving entry point loading performance by ~10x.

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bpo-44246: Entry points performance improvements. (GH-26467)
by jaraco 31 May '21

31 May '21

https://github.com/python/cpython/commit/410b70d39d9d77384f8b8597560f673153… commit: 410b70d39d9d77384f8b8597560f6731530149ca branch: main author: Jason R. Coombs <jaraco(a)jaraco.com> committer: jaraco <jaraco(a)jaraco.com> date: 2021-05-31T11:52:29-04:00 summary: bpo-44246: Entry points performance improvements. (GH-26467) >From importlib_metadata 4.3.1. files: A Misc/NEWS.d/next/Library/2021-05-31-11-28-03.bpo-44246.nhmt-v.rst M Lib/importlib/metadata/__init__.py M Lib/test/test_importlib/test_zip.py diff --git a/Lib/importlib/metadata/__init__.py b/Lib/importlib/metadata/__init__.py index 94b83869a68550..2e3403e5a565cb 100644 --- a/Lib/importlib/metadata/__init__.py +++ b/Lib/importlib/metadata/__init__.py @@ -493,6 +493,11 @@ def name(self): """Return the 'Name' metadata for the distribution package.""" return self.metadata['Name'] + @property + def _normalized_name(self): + """Return a normalized version of the name.""" + return Prepared.normalize(self.name) + @property def version(self): """Return the 'Version' metadata for the distribution package.""" @@ -795,6 +800,22 @@ def read_text(self, filename): def locate_file(self, path): return self._path.parent / path + @property + def _normalized_name(self): + """ + Performance optimization: where possible, resolve the + normalized name from the file system path. + """ + stem = os.path.basename(str(self._path)) + return self._name_from_stem(stem) or super()._normalized_name + + def _name_from_stem(self, stem): + name, ext = os.path.splitext(stem) + if ext not in ('.dist-info', '.egg-info'): + return + name, sep, rest = stem.partition('-') + return name + def distribution(distribution_name): """Get the ``Distribution`` instance for the named package. @@ -849,7 +870,8 @@ def entry_points(**params) -> Union[EntryPoints, SelectableGroups]: :return: EntryPoints or SelectableGroups for all installed packages. """ - unique = functools.partial(unique_everseen, key=operator.attrgetter('name')) + norm_name = operator.attrgetter('_normalized_name') + unique = functools.partial(unique_everseen, key=norm_name) eps = itertools.chain.from_iterable( dist.entry_points for dist in unique(distributions()) ) diff --git a/Lib/test/test_importlib/test_zip.py b/Lib/test/test_importlib/test_zip.py index 83e041385e0e8c..bf16a3b95e18c5 100644 --- a/Lib/test/test_importlib/test_zip.py +++ b/Lib/test/test_importlib/test_zip.py @@ -76,3 +76,7 @@ def test_files(self): for file in files('example'): path = str(file.dist.locate_file(file)) assert '.egg/' in path, path + + def test_normalized_name(self): + dist = distribution('example') + assert dist._normalized_name == 'example' diff --git a/Misc/NEWS.d/next/Library/2021-05-31-11-28-03.bpo-44246.nhmt-v.rst b/Misc/NEWS.d/next/Library/2021-05-31-11-28-03.bpo-44246.nhmt-v.rst new file mode 100644 index 00000000000000..727d9fd0a19d8a --- /dev/null +++ b/Misc/NEWS.d/next/Library/2021-05-31-11-28-03.bpo-44246.nhmt-v.rst @@ -0,0 +1,3 @@ +In importlib.metadata.entry_points, de-duplication of distributions no +longer requires loading the full metadata for PathDistribution objects, +improving entry point loading performance by ~10x.

1 0

Python 3.10.0b2
by pablogsal 31 May '21

31 May '21

https://github.com/python/cpython/commit/317314165a0b98c851c7774150f8121ad7… commit: 317314165a0b98c851c7774150f8121ad7e99254 branch: 3.10 author: Pablo Galindo <pablogsal(a)gmail.com> committer: pablogsal <Pablogsal(a)gmail.com> date: 2021-05-31T12:30:34+01:00 summary: Python 3.10.0b2 files: A Misc/NEWS.d/3.10.0b2.rst D Misc/NEWS.d/next/Build/2021-05-24-03-31-17.bpo-41282.L8nP44.rst D Misc/NEWS.d/next/C API/2021-05-05-19-04-50.bpo-43795.9Ojj73.rst D Misc/NEWS.d/next/C API/2021-05-19-15-09-47.bpo-43795.WAHRxt.rst D Misc/NEWS.d/next/Core and Builtins/2021-01-13-19-34-41.bpo-28146.AZBBkH.rst D Misc/NEWS.d/next/Core and Builtins/2021-05-04-01-01-04.bpo-43822.9VeCg0.rst D Misc/NEWS.d/next/Core and Builtins/2021-05-06-12-43-04.bpo-44056.4LWcJW.rst D Misc/NEWS.d/next/Core and Builtins/2021-05-08-17-18-37.bpo-43149.Kp5FxD.rst D Misc/NEWS.d/next/Core and Builtins/2021-05-12-14-26-16.bpo-44114.p-WfAE.rst D Misc/NEWS.d/next/Core and Builtins/2021-05-15-17-30-57.bpo-44143.7UTS6H.rst D Misc/NEWS.d/next/Core and Builtins/2021-05-18-11-27-02.bpo-44168.mgB-rt.rst D Misc/NEWS.d/next/Core and Builtins/2021-05-19-20-33-36.bpo-44180.mQVaAs.rst D Misc/NEWS.d/next/Core and Builtins/2021-05-21-01-42-45.bpo-44184.9qOptC.rst D Misc/NEWS.d/next/Core and Builtins/2021-05-21-21-16-03.bpo-44201.bGaSjt.rst D Misc/NEWS.d/next/Core and Builtins/2021-05-25-18-20-10.bpo-44232.DMcCCf.rst D Misc/NEWS.d/next/Core and Builtins/2021-05-27-17-34-29.bpo-43667.ND9jP3.rst D Misc/NEWS.d/next/Documentation/2021-05-03-22-08-08.bpo-44025.gcB7iP.rst D Misc/NEWS.d/next/Documentation/2021-05-07-12-27-09.bpo-43558.UGhA8R.rst D Misc/NEWS.d/next/Documentation/2021-05-08-09-48-05.bpo-44072.fb2x5I.rst D Misc/NEWS.d/next/Documentation/2021-05-17-20-03-47.bpo-41963.eUz9_o.rst D Misc/NEWS.d/next/Documentation/2021-05-23-09-11-28.bpo-44195.1bqkOs.rst D Misc/NEWS.d/next/Documentation/2021-05-26-11-16-33.bpo-42392.oxRx6E.rst D Misc/NEWS.d/next/IDLE/2021-05-05-09-45-24.bpo-44026.m2Z0zR.rst D Misc/NEWS.d/next/IDLE/2021-05-09-09-02-09.bpo-44010.TaLe9x.rst D Misc/NEWS.d/next/IDLE/2021-05-27-13-39-43.bpo-41611.liNQqj.rst D Misc/NEWS.d/next/IDLE/2021-05-27-18-22-46.bpo-41611.jOKpfc.rst D Misc/NEWS.d/next/Library/2020-09-10-07-23-24.bpo-41730.DyKFi9.rst D Misc/NEWS.d/next/Library/2021-03-29-00-23-30.bpo-43650.v01tic.rst D Misc/NEWS.d/next/Library/2021-04-29-00-48-00.bpo-28528.JLAVWj.rst D Misc/NEWS.d/next/Library/2021-04-30-16-58-24.bpo-43972.Y2r9lg.rst D Misc/NEWS.d/next/Library/2021-05-02-13-54-25.bpo-38352.N9MlhV.rst D Misc/NEWS.d/next/Library/2021-05-03-10-07-43.bpo-44018.VDyW8f.rst D Misc/NEWS.d/next/Library/2021-05-05-11-44-49.bpo-36515.uOSa3q.rst D Misc/NEWS.d/next/Library/2021-05-06-16-01-55.bpo-44059.GF5r6O.rst D Misc/NEWS.d/next/Library/2021-05-09-22-52-34.bpo-44089.IoANsN.rst D Misc/NEWS.d/next/Library/2021-05-10-17-45-00.bpo-44098._MoxuZ.rst D Misc/NEWS.d/next/Library/2021-05-12-16-43-21.bpo-38908.nM2_rO.rst D Misc/NEWS.d/next/Library/2021-05-13-19-07-28.bpo-37788.adeFcf.rst D Misc/NEWS.d/next/Library/2021-05-16-00-00-38.bpo-44145.ko5SJ7.rst D Misc/NEWS.d/next/Library/2021-05-16-17-48-24.bpo-33433.MyzO71.rst D Misc/NEWS.d/next/Library/2021-05-21-12-12-35.bpo-43643.GWnmcF.rst D Misc/NEWS.d/next/Library/2021-05-21-21-23-43.bpo-44210.5afQ3K.rst D Misc/NEWS.d/next/Library/2021-05-26-13-15-51.bpo-44241.TBqej8.rst D Misc/NEWS.d/next/Library/2021-05-26-13-34-37.bpo-33693.3okzdo.rst D Misc/NEWS.d/next/Library/2021-05-26-14-50-06.bpo-38693.NkMacJ.rst D Misc/NEWS.d/next/Library/2021-05-29-01-05-43.bpo-44254.f06xDm.rst D Misc/NEWS.d/next/Security/2021-05-05-17-37-04.bpo-44022.bS3XJ9.rst D Misc/NEWS.d/next/Tests/2020-10-25-19-20-26.bpo-35753.2LT-hO.rst D Misc/NEWS.d/next/Tests/2021-05-04-18-10-57.bpo-42083.EMS2TK.rst D Misc/NEWS.d/next/Tests/2021-05-07-15-46-04.bpo-31904.8dk3la.rst D Misc/NEWS.d/next/Tools-Demos/2021-05-08-13-57-00.bpo-44074.F09kCK.rst D Misc/NEWS.d/next/Windows/2021-01-01-21-21-03.bpo-42686.G_f-TC.rst D Misc/NEWS.d/next/macOS/2021-05-24-21-15-41.bpo-43109.npKJ9c.rst M Include/patchlevel.h M Lib/pydoc_data/topics.py M README.rst diff --git a/Include/patchlevel.h b/Include/patchlevel.h index cbfa3d9bd27f10..6abd9378956acb 100644 --- a/Include/patchlevel.h +++ b/Include/patchlevel.h @@ -20,10 +20,10 @@ #define PY_MINOR_VERSION 10 #define PY_MICRO_VERSION 0 #define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_BETA -#define PY_RELEASE_SERIAL 1 +#define PY_RELEASE_SERIAL 2 /* Version as a string */ -#define PY_VERSION "3.10.0b1+" +#define PY_VERSION "3.10.0b2" /*--end constants--*/ /* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2. diff --git a/Lib/pydoc_data/topics.py b/Lib/pydoc_data/topics.py index 74f7d9cf183f55..9c19173fd38ac9 100644 --- a/Lib/pydoc_data/topics.py +++ b/Lib/pydoc_data/topics.py @@ -1,5 +1,5 @@ # -*- coding: utf-8 -*- -# Autogenerated by Sphinx on Mon May 3 20:34:17 2021 +# Autogenerated by Sphinx on Mon May 31 12:30:19 2021 topics = {'assert': 'The "assert" statement\n' '**********************\n' '\n' @@ -551,13 +551,65 @@ 'exception.\n' ' That new exception causes the old one to be lost.\n' '\n' - '[2] A string literal appearing as the first statement in the ' + '[2] In pattern matching, a sequence is defined as one of the\n' + ' following:\n' + '\n' + ' * a class that inherits from "collections.abc.Sequence"\n' + '\n' + ' * a Python class that has been registered as\n' + ' "collections.abc.Sequence"\n' + '\n' + ' * a builtin class that has its (CPython) ' + '"Py_TPFLAGS_SEQUENCE"\n' + ' bit set\n' + '\n' + ' * a class that inherits from any of the above\n' + '\n' + ' The following standard library classes are sequences:\n' + '\n' + ' * "array.array"\n' + '\n' + ' * "collections.deque"\n' + '\n' + ' * "list"\n' + '\n' + ' * "memoryview"\n' + '\n' + ' * "range"\n' + '\n' + ' * "tuple"\n' + '\n' + ' Note:\n' + '\n' + ' Subject values of type "str", "bytes", and "bytearray" do ' + 'not\n' + ' match sequence patterns.\n' + '\n' + '[3] In pattern matching, a mapping is defined as one of the ' + 'following:\n' + '\n' + ' * a class that inherits from "collections.abc.Mapping"\n' + '\n' + ' * a Python class that has been registered as\n' + ' "collections.abc.Mapping"\n' + '\n' + ' * a builtin class that has its (CPython) ' + '"Py_TPFLAGS_MAPPING"\n' + ' bit set\n' + '\n' + ' * a class that inherits from any of the above\n' + '\n' + ' The standard library classes "dict" and ' + '"types.MappingProxyType"\n' + ' are mappings.\n' + '\n' + '[4] A string literal appearing as the first statement in the ' 'function\n' ' body is transformed into the function’s "__doc__" attribute ' 'and\n' ' therefore the function’s *docstring*.\n' '\n' - '[3] A string literal appearing as the first statement in the class\n' + '[5] A string literal appearing as the first statement in the class\n' ' body is transformed into the namespace’s "__doc__" item and\n' ' therefore the class’s *docstring*.\n', 'atom-identifiers': 'Identifiers (Names)\n' @@ -1708,7 +1760,7 @@ 'original global namespace. (Usually, the suite contains mostly\n' 'function definitions.) When the class’s suite finishes execution, ' 'its\n' - 'execution frame is discarded but its local namespace is saved. [3] ' + 'execution frame is discarded but its local namespace is saved. [5] ' 'A\n' 'class object is then created using the inheritance list for the ' 'base\n' @@ -3005,7 +3057,7 @@ '\n' 'A single underscore "_" is not a capture pattern (this is what ' '"!\'_\'"\n' - 'expresses). And is instead treated as a "wildcard_pattern".\n' + 'expresses). It is instead treated as a "wildcard_pattern".\n' '\n' 'In a given pattern, a given name can only be bound once. E.g. ' '"case\n' @@ -3033,7 +3085,10 @@ '\n' " wildcard_pattern ::= '_'\n" '\n' - '"_" is a soft keyword.\n' + '"_" is a soft keyword within any pattern, but only within ' + 'patterns.\n' + 'It is an identifier, as usual, even within "match" subject\n' + 'expressions, "guard"s, and "case" blocks.\n' '\n' 'In simple terms, "_" will always succeed.\n' '\n' @@ -3124,8 +3179,9 @@ 'pattern\n' 'against a subject value:\n' '\n' - '1. If the subject value is not an instance of a\n' - ' "collections.abc.Sequence" the sequence pattern fails.\n' + '1. If the subject value is not a sequence [2], the sequence ' + 'pattern\n' + ' fails.\n' '\n' '2. If the subject value is an instance of "str", "bytes" or\n' ' "bytearray" the sequence pattern fails.\n' @@ -3180,7 +3236,7 @@ 'the\n' 'following happens:\n' '\n' - '* "isinstance(<subject>, collections.abc.Sequence)"\n' + '* check "<subject>" is a sequence\n' '\n' '* "len(subject) == <N>"\n' '\n' @@ -3224,8 +3280,9 @@ 'pattern\n' 'against a subject value:\n' '\n' - '1. If the subject value is not an instance of\n' - ' "collections.abc.Mapping", the mapping pattern fails.\n' + '1. If the subject value is not a mapping [3],the mapping ' + 'pattern\n' + ' fails.\n' '\n' '2. If every key given in the mapping pattern is present in the ' 'subject\n' @@ -3251,7 +3308,7 @@ 'the\n' 'following happens:\n' '\n' - '* "isinstance(<subject>, collections.abc.Mapping)"\n' + '* check "<subject>" is a mapping\n' '\n' '* "KEY1 in <subject>"\n' '\n' @@ -3456,7 +3513,7 @@ '\n' 'The function definition does not execute the function body; this ' 'gets\n' - 'executed only when the function is called. [2]\n' + 'executed only when the function is called. [4]\n' '\n' 'A function definition may be wrapped by one or more *decorator*\n' 'expressions. Decorator expressions are evaluated when the ' @@ -3661,7 +3718,7 @@ 'function definitions.) When the class’s suite finishes ' 'execution, its\n' 'execution frame is discarded but its local namespace is saved. ' - '[3] A\n' + '[5] A\n' 'class object is then created using the inheritance list for the ' 'base\n' 'classes and the saved local namespace for the attribute ' @@ -3865,13 +3922,65 @@ 'exception.\n' ' That new exception causes the old one to be lost.\n' '\n' - '[2] A string literal appearing as the first statement in the ' + '[2] In pattern matching, a sequence is defined as one of the\n' + ' following:\n' + '\n' + ' * a class that inherits from "collections.abc.Sequence"\n' + '\n' + ' * a Python class that has been registered as\n' + ' "collections.abc.Sequence"\n' + '\n' + ' * a builtin class that has its (CPython) ' + '"Py_TPFLAGS_SEQUENCE"\n' + ' bit set\n' + '\n' + ' * a class that inherits from any of the above\n' + '\n' + ' The following standard library classes are sequences:\n' + '\n' + ' * "array.array"\n' + '\n' + ' * "collections.deque"\n' + '\n' + ' * "list"\n' + '\n' + ' * "memoryview"\n' + '\n' + ' * "range"\n' + '\n' + ' * "tuple"\n' + '\n' + ' Note:\n' + '\n' + ' Subject values of type "str", "bytes", and "bytearray" do ' + 'not\n' + ' match sequence patterns.\n' + '\n' + '[3] In pattern matching, a mapping is defined as one of the ' + 'following:\n' + '\n' + ' * a class that inherits from "collections.abc.Mapping"\n' + '\n' + ' * a Python class that has been registered as\n' + ' "collections.abc.Mapping"\n' + '\n' + ' * a builtin class that has its (CPython) ' + '"Py_TPFLAGS_MAPPING"\n' + ' bit set\n' + '\n' + ' * a class that inherits from any of the above\n' + '\n' + ' The standard library classes "dict" and ' + '"types.MappingProxyType"\n' + ' are mappings.\n' + '\n' + '[4] A string literal appearing as the first statement in the ' 'function\n' ' body is transformed into the function’s "__doc__" attribute ' 'and\n' ' therefore the function’s *docstring*.\n' '\n' - '[3] A string literal appearing as the first statement in the ' + '[5] A string literal appearing as the first statement in the ' 'class\n' ' body is transformed into the namespace’s "__doc__" item and\n' ' therefore the class’s *docstring*.\n', @@ -6095,19 +6204,19 @@ 'complex\n' 'types. For integers, when binary, octal, or hexadecimal ' 'output is\n' - 'used, this option adds the prefix respective "\'0b\'", ' - '"\'0o\'", or "\'0x\'"\n' - 'to the output value. For float and complex the alternate ' - 'form causes\n' - 'the result of the conversion to always contain a ' - 'decimal-point\n' - 'character, even if no digits follow it. Normally, a ' - 'decimal-point\n' - 'character appears in the result of these conversions only ' - 'if a digit\n' - 'follows it. In addition, for "\'g\'" and "\'G\'" ' - 'conversions, trailing\n' - 'zeros are not removed from the result.\n' + 'used, this option adds the respective prefix "\'0b\'", ' + '"\'0o\'", "\'0x\'",\n' + 'or "\'0X\'" to the output value. For float and complex the ' + 'alternate\n' + 'form causes the result of the conversion to always contain ' + 'a decimal-\n' + 'point character, even if no digits follow it. Normally, a ' + 'decimal-\n' + 'point character appears in the result of these conversions ' + 'only if a\n' + 'digit follows it. In addition, for "\'g\'" and "\'G\'" ' + 'conversions,\n' + 'trailing zeros are not removed from the result.\n' '\n' 'The "\',\'" option signals the use of a comma for a ' 'thousands separator.\n' @@ -6224,8 +6333,12 @@ '+-----------+------------------------------------------------------------+\n' ' | "\'X\'" | Hex format. Outputs the number in base ' '16, using upper- |\n' - ' | | case letters for the digits above ' - '9. |\n' + ' | | case letters for the digits above 9. In ' + 'case "\'#\'" is |\n' + ' | | specified, the prefix "\'0x\'" will be ' + 'upper-cased to "\'0X\'" |\n' + ' | | as ' + 'well. |\n' ' ' '+-----------+------------------------------------------------------------+\n' ' | "\'n\'" | Number. This is the same as "\'d\'", ' @@ -6606,7 +6719,7 @@ '\n' 'The function definition does not execute the function body; this ' 'gets\n' - 'executed only when the function is called. [2]\n' + 'executed only when the function is called. [4]\n' '\n' 'A function definition may be wrapped by one or more *decorator*\n' 'expressions. Decorator expressions are evaluated when the ' @@ -7085,7 +7198,7 @@ ' | "from" relative_module "import" "(" ' 'identifier ["as" identifier]\n' ' ("," identifier ["as" identifier])* [","] ")"\n' - ' | "from" module "import" "*"\n' + ' | "from" relative_module "import" "*"\n' ' module ::= (identifier ".")* identifier\n' ' relative_module ::= "."* module | "."+\n' '\n' diff --git a/Misc/NEWS.d/3.10.0b2.rst b/Misc/NEWS.d/3.10.0b2.rst new file mode 100644 index 00000000000000..bda05d49605d3f --- /dev/null +++ b/Misc/NEWS.d/3.10.0b2.rst @@ -0,0 +1,524 @@ +.. bpo: 44022 +.. date: 2021-05-05-17-37-04 +.. nonce: bS3XJ9 +.. release date: 2021-05-31 +.. section: Security + +mod:`http.client` now avoids infinitely reading potential HTTP headers after +a ``100 Continue`` status response from the server. + +.. + +.. bpo: 43667 +.. date: 2021-05-27-17-34-29 +.. nonce: ND9jP3 +.. section: Core and Builtins + +Improve Unicode support in non-UTF locales on Oracle Solaris. This issue +does not affect other Solaris systems. + +.. + +.. bpo: 44232 +.. date: 2021-05-25-18-20-10 +.. nonce: DMcCCf +.. section: Core and Builtins + +Fix a regression in :func:`type` when a metaclass raises an exception. The C +function :c:func:`type_new` must properly report the exception when a +metaclass constructor raises an exception and the winner class is not the +metaclass. Patch by Victor Stinner. + +.. + +.. bpo: 44201 +.. date: 2021-05-21-21-16-03 +.. nonce: bGaSjt +.. section: Core and Builtins + +Avoid side effects of checking for specialized syntax errors in the REPL +that was causing it to ask for extra tokens after a syntax error had been +detected. Patch by Pablo Galindo + +.. + +.. bpo: 44184 +.. date: 2021-05-21-01-42-45 +.. nonce: 9qOptC +.. section: Core and Builtins + +Fix a crash at Python exit when a deallocator function removes the last +strong reference to a heap type. Patch by Victor Stinner. + +.. + +.. bpo: 44180 +.. date: 2021-05-19-20-33-36 +.. nonce: mQVaAs +.. section: Core and Builtins + +The parser doesn't report generic syntax errors that happen in a position +further away that the one it reached in the first pass. Patch by Pablo +Galindo + +.. + +.. bpo: 44168 +.. date: 2021-05-18-11-27-02 +.. nonce: mgB-rt +.. section: Core and Builtins + +Fix error message in the parser involving keyword arguments with invalid +expressions. Patch by Pablo Galindo + +.. + +.. bpo: 44143 +.. date: 2021-05-15-17-30-57 +.. nonce: 7UTS6H +.. section: Core and Builtins + +Fixed a crash in the parser that manifest when raising tokenizer errors when +an existing exception was present. Patch by Pablo Galindo. + +.. + +.. bpo: 44114 +.. date: 2021-05-12-14-26-16 +.. nonce: p-WfAE +.. section: Core and Builtins + +Fix incorrect dictkeys_reversed and dictitems_reversed function signatures +in C code, which broke webassembly builds. + +.. + +.. bpo: 43149 +.. date: 2021-05-08-17-18-37 +.. nonce: Kp5FxD +.. section: Core and Builtins + +Corrent the syntax error message regarding multiple exception types to not +refer to "exception groups". Patch by Pablo Galindo + +.. + +.. bpo: 44056 +.. date: 2021-05-06-12-43-04 +.. nonce: 4LWcJW +.. section: Core and Builtins + +Syntax errors when default ``except`` is not the last ``except`` are +reported with the correct location. Patch by Mark Shannon. + +.. + +.. bpo: 43822 +.. date: 2021-05-04-01-01-04 +.. nonce: 9VeCg0 +.. section: Core and Builtins + +The parser will prioritize tokenizer errors over custom syntax errors when +raising exceptions. Patch by Pablo Galindo. + +.. + +.. bpo: 28146 +.. date: 2021-01-13-19-34-41 +.. nonce: AZBBkH +.. section: Core and Builtins + +Fix a confusing error message in :func:`str.format`. + +.. + +.. bpo: 44254 +.. date: 2021-05-29-01-05-43 +.. nonce: f06xDm +.. section: Library + +On Mac, give turtledemo button text a color that works on both light or dark +background. Programmers cannot control the latter. + +.. + +.. bpo: 38693 +.. date: 2021-05-26-14-50-06 +.. nonce: NkMacJ +.. section: Library + +Prefer f-strings to ``.format`` in importlib.resources. + +.. + +.. bpo: 33693 +.. date: 2021-05-26-13-34-37 +.. nonce: 3okzdo +.. section: Library + +Importlib.metadata now prefers f-strings to .format. + +.. + +.. bpo: 44241 +.. date: 2021-05-26-13-15-51 +.. nonce: TBqej8 +.. section: Library + +Incorporate minor tweaks from importlib_metadata 4.1: SimplePath protocol, +support for Metadata 2.2. + +.. + +.. bpo: 44210 +.. date: 2021-05-21-21-23-43 +.. nonce: 5afQ3K +.. section: Library + +Make importlib.metadata._meta.PackageMetadata public. + +.. + +.. bpo: 43643 +.. date: 2021-05-21-12-12-35 +.. nonce: GWnmcF +.. section: Library + +Declare readers.MultiplexedPath.name as a property per the spec. + +.. + +.. bpo: 33433 +.. date: 2021-05-16-17-48-24 +.. nonce: MyzO71 +.. section: Library + +For IPv4 mapped IPv6 addresses (:rfc:`4291` Section 2.5.5.2), the +:mod:`ipaddress.IPv6Address.is_private` check is deferred to the mapped IPv4 +address. This solves a bug where public mapped IPv4 addresses were +considered private by the IPv6 check. + +.. + +.. bpo: 44145 +.. date: 2021-05-16-00-00-38 +.. nonce: ko5SJ7 +.. section: Library + +:mod:`hmac` computations were not releasing the GIL while calling the +OpenSSL ``HMAC_Update`` C API (a new feature in 3.9). This unintentionally +prevented parallel computation as other :mod:`hashlib` algorithms support. + +.. + +.. bpo: 37788 +.. date: 2021-05-13-19-07-28 +.. nonce: adeFcf +.. section: Library + +Fix a reference leak when a Thread object is never joined. + +.. + +.. bpo: 38908 +.. date: 2021-05-12-16-43-21 +.. nonce: nM2_rO +.. section: Library + +Subclasses of ``typing.Protocol`` which only have data variables declared +will now raise a ``TypeError`` when checked with ``isinstance`` unless they +are decorated with :func:`runtime_checkable`. Previously, these checks +passed silently. Patch provided by Yurii Karabas. + +.. + +.. bpo: 44098 +.. date: 2021-05-10-17-45-00 +.. nonce: _MoxuZ +.. section: Library + +``typing.ParamSpec`` will no longer be found in the ``__parameters__`` of +most :mod:`typing` generics except in valid use locations specified by +:pep:`612`. This prevents incorrect usage like ``typing.List[P][int]``. This +change means incorrect usage which may have passed silently in 3.10 beta 1 +and earlier will now error. + +.. + +.. bpo: 44089 +.. date: 2021-05-09-22-52-34 +.. nonce: IoANsN +.. section: Library + +Allow subclassing ``csv.Error`` in 3.10 (it was allowed in 3.9 and earlier +but was disallowed in early versions of 3.10). + +.. + +.. bpo: 44059 +.. date: 2021-05-06-16-01-55 +.. nonce: GF5r6O +.. section: Library + +Register the SerenityOS Browser in the :mod:`webbrowser` module. + +.. + +.. bpo: 36515 +.. date: 2021-05-05-11-44-49 +.. nonce: uOSa3q +.. section: Library + +The :mod:`hashlib` module no longer does unaligned memory accesses when +compiled for ARM platforms. + +.. + +.. bpo: 44018 +.. date: 2021-05-03-10-07-43 +.. nonce: VDyW8f +.. section: Library + +random.seed() no longer mutates bytearray inputs. + +.. + +.. bpo: 38352 +.. date: 2021-05-02-13-54-25 +.. nonce: N9MlhV +.. section: Library + +Add ``IO``, ``BinaryIO``, ``TextIO``, ``Match``, and ``Pattern`` to +``typing.__all__``. Patch by Jelle Zijlstra. + +.. + +.. bpo: 43972 +.. date: 2021-04-30-16-58-24 +.. nonce: Y2r9lg +.. section: Library + +When :class:`http.server.SimpleHTTPRequestHandler` sends a ``301 (Moved +Permanently)`` for a directory path not ending with `/`, add a +``Content-Length: 0`` header. This improves the behavior for certain +clients. + +.. + +.. bpo: 28528 +.. date: 2021-04-29-00-48-00 +.. nonce: JLAVWj +.. section: Library + +Fix a bug in :mod:`pdb` where :meth:`~pdb.Pdb.checkline` raises +:exc:`AttributeError` if it is called after :meth:`~pdb.Pdb.reset`. + +.. + +.. bpo: 43650 +.. date: 2021-03-29-00-23-30 +.. nonce: v01tic +.. section: Library + +Fix :exc:`MemoryError` in :func:`shutil.unpack_archive` which fails inside +:func:`shutil._unpack_zipfile` on large files. Patch by Igor Bolshakov. + +.. + +.. bpo: 41730 +.. date: 2020-09-10-07-23-24 +.. nonce: DyKFi9 +.. section: Library + +``DeprecationWarning`` is now raised when importing :mod:`tkinter.tix`, +which has been deprecated in documentation since Python 3.6. + +.. + +.. bpo: 42392 +.. date: 2021-05-26-11-16-33 +.. nonce: oxRx6E +.. section: Documentation + +Document the deprecation and removal of the ``loop`` parameter for many +functions and classes in :mod:`asyncio`. + +.. + +.. bpo: 44195 +.. date: 2021-05-23-09-11-28 +.. nonce: 1bqkOs +.. section: Documentation + +Corrected references to ``TraversableResources`` in docs. There is no +``TraversableReader``. + +.. + +.. bpo: 41963 +.. date: 2021-05-17-20-03-47 +.. nonce: eUz9_o +.. section: Documentation + +Document that ``ConfigParser`` strips off comments when reading +configuration files. + +.. + +.. bpo: 44072 +.. date: 2021-05-08-09-48-05 +.. nonce: fb2x5I +.. section: Documentation + +Correct where in the numeric ABC hierarchy ``**`` support is added, i.e., in +numbers.Complex, not numbers.Integral. + +.. + +.. bpo: 43558 +.. date: 2021-05-07-12-27-09 +.. nonce: UGhA8R +.. section: Documentation + +Add the remark to :mod:`dataclasses` documentation that the :meth:`__init__` +of any base class has to be called in :meth:`__post_init__`, along with a +code example. + +.. + +.. bpo: 44025 +.. date: 2021-05-03-22-08-08 +.. nonce: gcB7iP +.. section: Documentation + +Clarify when '_' in match statements is a keyword, and when not. + +.. + +.. bpo: 31904 +.. date: 2021-05-07-15-46-04 +.. nonce: 8dk3la +.. section: Tests + +Ignore error string case in test_py_compile ``test_file_not_exists()``. + +.. + +.. bpo: 42083 +.. date: 2021-05-04-18-10-57 +.. nonce: EMS2TK +.. section: Tests + +Add test to check that ``PyStructSequence_NewType`` accepts a +``PyStructSequence_Desc`` with ``doc`` field set to ``NULL``. + +.. + +.. bpo: 35753 +.. date: 2020-10-25-19-20-26 +.. nonce: 2LT-hO +.. section: Tests + +Fix crash in doctest when doctest parses modules that include unwrappable +functions by skipping those functions. + +.. + +.. bpo: 41282 +.. date: 2021-05-24-03-31-17 +.. nonce: L8nP44 +.. section: Build + +Fix broken ``make install`` that caused standard library extension modules +to be unnecessarily and incorrectly rebuilt during the install phase of +cpython. + +.. + +.. bpo: 42686 +.. date: 2021-01-01-21-21-03 +.. nonce: G_f-TC +.. section: Windows + +Build :mod:`sqlite3` with math functions enabled. Patch by Erlend E. +Aasland. + +.. + +.. bpo: 43109 +.. date: 2021-05-24-21-15-41 +.. nonce: npKJ9c +.. section: macOS + +Allow --with-lto configure option to work with Apple-supplied Xcode or +Command Line Tools. + +.. + +.. bpo: 41611 +.. date: 2021-05-27-18-22-46 +.. nonce: jOKpfc +.. section: IDLE + +Avoid uncaught exceptions in ``AutoCompleteWindow.winconfig_event()``. + +.. + +.. bpo: 41611 +.. date: 2021-05-27-13-39-43 +.. nonce: liNQqj +.. section: IDLE + +Fix IDLE sometimes freezing upon tab-completion on macOS. + +.. + +.. bpo: 44010 +.. date: 2021-05-09-09-02-09 +.. nonce: TaLe9x +.. section: IDLE + +Highlight the new :ref:`match <match>` statement's :ref:`soft keywords +<soft-keywords>`: :keyword:`match`, :keyword:`case <match>`, and :keyword:`_ +<wildcard-patterns>`. However, this highlighting is not perfect and will be +incorrect in some rare cases, including some ``_``-s in ``case`` patterns. + +.. + +.. bpo: 44026 +.. date: 2021-05-05-09-45-24 +.. nonce: m2Z0zR +.. section: IDLE + +Include interpreter's typo fix suggestions in message line for NameErrors +and AttributeErrors. Patch by E. Paine. + +.. + +.. bpo: 44074 +.. date: 2021-05-08-13-57-00 +.. nonce: F09kCK +.. section: Tools/Demos + +Make patchcheck automatically detect the correct base branch name +(previously it was hardcoded to 'master') + +.. + +.. bpo: 43795 +.. date: 2021-05-19-15-09-47 +.. nonce: WAHRxt +.. section: C API + +The undocumented function :c:func:`Py_FrozenMain` is removed from the +Limited API. + +.. + +.. bpo: 43795 +.. date: 2021-05-05-19-04-50 +.. nonce: 9Ojj73 +.. section: C API + +:c:func:`PyCodec_Unregister` is now properly exported as a function in the +Windows Stable ABI DLL. diff --git a/Misc/NEWS.d/next/Build/2021-05-24-03-31-17.bpo-41282.L8nP44.rst b/Misc/NEWS.d/next/Build/2021-05-24-03-31-17.bpo-41282.L8nP44.rst deleted file mode 100644 index cc6eadefc6cba7..00000000000000 --- a/Misc/NEWS.d/next/Build/2021-05-24-03-31-17.bpo-41282.L8nP44.rst +++ /dev/null @@ -1,3 +0,0 @@ -Fix broken ``make install`` that caused standard library extension modules -to be unnecessarily and incorrectly rebuilt during the install phase of -cpython. diff --git a/Misc/NEWS.d/next/C API/2021-05-05-19-04-50.bpo-43795.9Ojj73.rst b/Misc/NEWS.d/next/C API/2021-05-05-19-04-50.bpo-43795.9Ojj73.rst deleted file mode 100644 index 20a3823f1f01c0..00000000000000 --- a/Misc/NEWS.d/next/C API/2021-05-05-19-04-50.bpo-43795.9Ojj73.rst +++ /dev/null @@ -1,2 +0,0 @@ -:c:func:`PyCodec_Unregister` is now properly exported as a function in the -Windows Stable ABI DLL. diff --git a/Misc/NEWS.d/next/C API/2021-05-19-15-09-47.bpo-43795.WAHRxt.rst b/Misc/NEWS.d/next/C API/2021-05-19-15-09-47.bpo-43795.WAHRxt.rst deleted file mode 100644 index 23db2330ac3960..00000000000000 --- a/Misc/NEWS.d/next/C API/2021-05-19-15-09-47.bpo-43795.WAHRxt.rst +++ /dev/null @@ -1 +0,0 @@ -The undocumented function :c:func:`Py_FrozenMain` is removed from the Limited API. diff --git a/Misc/NEWS.d/next/Core and Builtins/2021-01-13-19-34-41.bpo-28146.AZBBkH.rst b/Misc/NEWS.d/next/Core and Builtins/2021-01-13-19-34-41.bpo-28146.AZBBkH.rst deleted file mode 100644 index e6198819389532..00000000000000 --- a/Misc/NEWS.d/next/Core and Builtins/2021-01-13-19-34-41.bpo-28146.AZBBkH.rst +++ /dev/null @@ -1 +0,0 @@ -Fix a confusing error message in :func:`str.format`. diff --git a/Misc/NEWS.d/next/Core and Builtins/2021-05-04-01-01-04.bpo-43822.9VeCg0.rst b/Misc/NEWS.d/next/Core and Builtins/2021-05-04-01-01-04.bpo-43822.9VeCg0.rst deleted file mode 100644 index b8815cddf4e2c1..00000000000000 --- a/Misc/NEWS.d/next/Core and Builtins/2021-05-04-01-01-04.bpo-43822.9VeCg0.rst +++ /dev/null @@ -1,2 +0,0 @@ -The parser will prioritize tokenizer errors over custom syntax errors when -raising exceptions. Patch by Pablo Galindo. diff --git a/Misc/NEWS.d/next/Core and Builtins/2021-05-06-12-43-04.bpo-44056.4LWcJW.rst b/Misc/NEWS.d/next/Core and Builtins/2021-05-06-12-43-04.bpo-44056.4LWcJW.rst deleted file mode 100644 index 24a6581bebf327..00000000000000 --- a/Misc/NEWS.d/next/Core and Builtins/2021-05-06-12-43-04.bpo-44056.4LWcJW.rst +++ /dev/null @@ -1,2 +0,0 @@ -Syntax errors when default ``except`` is not the last ``except`` are -reported with the correct location. Patch by Mark Shannon. diff --git a/Misc/NEWS.d/next/Core and Builtins/2021-05-08-17-18-37.bpo-43149.Kp5FxD.rst b/Misc/NEWS.d/next/Core and Builtins/2021-05-08-17-18-37.bpo-43149.Kp5FxD.rst deleted file mode 100644 index cc1983ec3d4648..00000000000000 --- a/Misc/NEWS.d/next/Core and Builtins/2021-05-08-17-18-37.bpo-43149.Kp5FxD.rst +++ /dev/null @@ -1,2 +0,0 @@ -Corrent the syntax error message regarding multiple exception types to not -refer to "exception groups". Patch by Pablo Galindo diff --git a/Misc/NEWS.d/next/Core and Builtins/2021-05-12-14-26-16.bpo-44114.p-WfAE.rst b/Misc/NEWS.d/next/Core and Builtins/2021-05-12-14-26-16.bpo-44114.p-WfAE.rst deleted file mode 100644 index c50b1594cae356..00000000000000 --- a/Misc/NEWS.d/next/Core and Builtins/2021-05-12-14-26-16.bpo-44114.p-WfAE.rst +++ /dev/null @@ -1 +0,0 @@ -Fix incorrect dictkeys_reversed and dictitems_reversed function signatures in C code, which broke webassembly builds. \ No newline at end of file diff --git a/Misc/NEWS.d/next/Core and Builtins/2021-05-15-17-30-57.bpo-44143.7UTS6H.rst b/Misc/NEWS.d/next/Core and Builtins/2021-05-15-17-30-57.bpo-44143.7UTS6H.rst deleted file mode 100644 index a4e88e55723e4d..00000000000000 --- a/Misc/NEWS.d/next/Core and Builtins/2021-05-15-17-30-57.bpo-44143.7UTS6H.rst +++ /dev/null @@ -1,2 +0,0 @@ -Fixed a crash in the parser that manifest when raising tokenizer errors when -an existing exception was present. Patch by Pablo Galindo. diff --git a/Misc/NEWS.d/next/Core and Builtins/2021-05-18-11-27-02.bpo-44168.mgB-rt.rst b/Misc/NEWS.d/next/Core and Builtins/2021-05-18-11-27-02.bpo-44168.mgB-rt.rst deleted file mode 100644 index ace01e49b508a2..00000000000000 --- a/Misc/NEWS.d/next/Core and Builtins/2021-05-18-11-27-02.bpo-44168.mgB-rt.rst +++ /dev/null @@ -1,2 +0,0 @@ -Fix error message in the parser involving keyword arguments with invalid -expressions. Patch by Pablo Galindo diff --git a/Misc/NEWS.d/next/Core and Builtins/2021-05-19-20-33-36.bpo-44180.mQVaAs.rst b/Misc/NEWS.d/next/Core and Builtins/2021-05-19-20-33-36.bpo-44180.mQVaAs.rst deleted file mode 100644 index c67eb70b5823a2..00000000000000 --- a/Misc/NEWS.d/next/Core and Builtins/2021-05-19-20-33-36.bpo-44180.mQVaAs.rst +++ /dev/null @@ -1,3 +0,0 @@ -The parser doesn't report generic syntax errors that happen in a position -further away that the one it reached in the first pass. Patch by Pablo -Galindo diff --git a/Misc/NEWS.d/next/Core and Builtins/2021-05-21-01-42-45.bpo-44184.9qOptC.rst b/Misc/NEWS.d/next/Core and Builtins/2021-05-21-01-42-45.bpo-44184.9qOptC.rst deleted file mode 100644 index 3aba9a58475c61..00000000000000 --- a/Misc/NEWS.d/next/Core and Builtins/2021-05-21-01-42-45.bpo-44184.9qOptC.rst +++ /dev/null @@ -1,3 +0,0 @@ -Fix a crash at Python exit when a deallocator function removes the last strong -reference to a heap type. -Patch by Victor Stinner. diff --git a/Misc/NEWS.d/next/Core and Builtins/2021-05-21-21-16-03.bpo-44201.bGaSjt.rst b/Misc/NEWS.d/next/Core and Builtins/2021-05-21-21-16-03.bpo-44201.bGaSjt.rst deleted file mode 100644 index 6f61aac7817b2b..00000000000000 --- a/Misc/NEWS.d/next/Core and Builtins/2021-05-21-21-16-03.bpo-44201.bGaSjt.rst +++ /dev/null @@ -1,3 +0,0 @@ -Avoid side effects of checking for specialized syntax errors in the REPL -that was causing it to ask for extra tokens after a syntax error had been -detected. Patch by Pablo Galindo diff --git a/Misc/NEWS.d/next/Core and Builtins/2021-05-25-18-20-10.bpo-44232.DMcCCf.rst b/Misc/NEWS.d/next/Core and Builtins/2021-05-25-18-20-10.bpo-44232.DMcCCf.rst deleted file mode 100644 index fcd124d51442a5..00000000000000 --- a/Misc/NEWS.d/next/Core and Builtins/2021-05-25-18-20-10.bpo-44232.DMcCCf.rst +++ /dev/null @@ -1,4 +0,0 @@ -Fix a regression in :func:`type` when a metaclass raises an exception. The C -function :c:func:`type_new` must properly report the exception when a metaclass -constructor raises an exception and the winner class is not the metaclass. -Patch by Victor Stinner. diff --git a/Misc/NEWS.d/next/Core and Builtins/2021-05-27-17-34-29.bpo-43667.ND9jP3.rst b/Misc/NEWS.d/next/Core and Builtins/2021-05-27-17-34-29.bpo-43667.ND9jP3.rst deleted file mode 100644 index 53130cce7180a7..00000000000000 --- a/Misc/NEWS.d/next/Core and Builtins/2021-05-27-17-34-29.bpo-43667.ND9jP3.rst +++ /dev/null @@ -1,2 +0,0 @@ -Improve Unicode support in non-UTF locales on Oracle Solaris. This issue -does not affect other Solaris systems. diff --git a/Misc/NEWS.d/next/Documentation/2021-05-03-22-08-08.bpo-44025.gcB7iP.rst b/Misc/NEWS.d/next/Documentation/2021-05-03-22-08-08.bpo-44025.gcB7iP.rst deleted file mode 100644 index 1432236a32f63f..00000000000000 --- a/Misc/NEWS.d/next/Documentation/2021-05-03-22-08-08.bpo-44025.gcB7iP.rst +++ /dev/null @@ -1 +0,0 @@ -Clarify when '_' in match statements is a keyword, and when not. diff --git a/Misc/NEWS.d/next/Documentation/2021-05-07-12-27-09.bpo-43558.UGhA8R.rst b/Misc/NEWS.d/next/Documentation/2021-05-07-12-27-09.bpo-43558.UGhA8R.rst deleted file mode 100644 index b0ecb171ef7314..00000000000000 --- a/Misc/NEWS.d/next/Documentation/2021-05-07-12-27-09.bpo-43558.UGhA8R.rst +++ /dev/null @@ -1,2 +0,0 @@ -Add the remark to :mod:`dataclasses` documentation that the :meth:`__init__` of any base class -has to be called in :meth:`__post_init__`, along with a code example. \ No newline at end of file diff --git a/Misc/NEWS.d/next/Documentation/2021-05-08-09-48-05.bpo-44072.fb2x5I.rst b/Misc/NEWS.d/next/Documentation/2021-05-08-09-48-05.bpo-44072.fb2x5I.rst deleted file mode 100644 index a5b0c95d85e66e..00000000000000 --- a/Misc/NEWS.d/next/Documentation/2021-05-08-09-48-05.bpo-44072.fb2x5I.rst +++ /dev/null @@ -1,2 +0,0 @@ -Correct where in the numeric ABC hierarchy ``**`` support is added, i.e., in -numbers.Complex, not numbers.Integral. diff --git a/Misc/NEWS.d/next/Documentation/2021-05-17-20-03-47.bpo-41963.eUz9_o.rst b/Misc/NEWS.d/next/Documentation/2021-05-17-20-03-47.bpo-41963.eUz9_o.rst deleted file mode 100644 index b9fe722fa3a795..00000000000000 --- a/Misc/NEWS.d/next/Documentation/2021-05-17-20-03-47.bpo-41963.eUz9_o.rst +++ /dev/null @@ -1 +0,0 @@ -Document that ``ConfigParser`` strips off comments when reading configuration files. \ No newline at end of file diff --git a/Misc/NEWS.d/next/Documentation/2021-05-23-09-11-28.bpo-44195.1bqkOs.rst b/Misc/NEWS.d/next/Documentation/2021-05-23-09-11-28.bpo-44195.1bqkOs.rst deleted file mode 100644 index 5f165f166a377f..00000000000000 --- a/Misc/NEWS.d/next/Documentation/2021-05-23-09-11-28.bpo-44195.1bqkOs.rst +++ /dev/null @@ -1,2 +0,0 @@ -Corrected references to ``TraversableResources`` in docs. There is no -``TraversableReader``. diff --git a/Misc/NEWS.d/next/Documentation/2021-05-26-11-16-33.bpo-42392.oxRx6E.rst b/Misc/NEWS.d/next/Documentation/2021-05-26-11-16-33.bpo-42392.oxRx6E.rst deleted file mode 100644 index 5c840de6f68ef6..00000000000000 --- a/Misc/NEWS.d/next/Documentation/2021-05-26-11-16-33.bpo-42392.oxRx6E.rst +++ /dev/null @@ -1,2 +0,0 @@ -Document the deprecation and removal of the ``loop`` parameter for many -functions and classes in :mod:`asyncio`. diff --git a/Misc/NEWS.d/next/IDLE/2021-05-05-09-45-24.bpo-44026.m2Z0zR.rst b/Misc/NEWS.d/next/IDLE/2021-05-05-09-45-24.bpo-44026.m2Z0zR.rst deleted file mode 100644 index bc4b680983a59a..00000000000000 --- a/Misc/NEWS.d/next/IDLE/2021-05-05-09-45-24.bpo-44026.m2Z0zR.rst +++ /dev/null @@ -1,2 +0,0 @@ -Include interpreter's typo fix suggestions in message line for -NameErrors and AttributeErrors. Patch by E. Paine. diff --git a/Misc/NEWS.d/next/IDLE/2021-05-09-09-02-09.bpo-44010.TaLe9x.rst b/Misc/NEWS.d/next/IDLE/2021-05-09-09-02-09.bpo-44010.TaLe9x.rst deleted file mode 100644 index becd331f6d789c..00000000000000 --- a/Misc/NEWS.d/next/IDLE/2021-05-09-09-02-09.bpo-44010.TaLe9x.rst +++ /dev/null @@ -1,5 +0,0 @@ -Highlight the new :ref:`match <match>` statement's -:ref:`soft keywords <soft-keywords>`: :keyword:`match`, -:keyword:`case <match>`, and :keyword:`_ <wildcard-patterns>`. -However, this highlighting is not perfect and will be incorrect in some -rare cases, including some ``_``-s in ``case`` patterns. diff --git a/Misc/NEWS.d/next/IDLE/2021-05-27-13-39-43.bpo-41611.liNQqj.rst b/Misc/NEWS.d/next/IDLE/2021-05-27-13-39-43.bpo-41611.liNQqj.rst deleted file mode 100644 index 27d778bbe41009..00000000000000 --- a/Misc/NEWS.d/next/IDLE/2021-05-27-13-39-43.bpo-41611.liNQqj.rst +++ /dev/null @@ -1 +0,0 @@ -Fix IDLE sometimes freezing upon tab-completion on macOS. diff --git a/Misc/NEWS.d/next/IDLE/2021-05-27-18-22-46.bpo-41611.jOKpfc.rst b/Misc/NEWS.d/next/IDLE/2021-05-27-18-22-46.bpo-41611.jOKpfc.rst deleted file mode 100644 index a80c9f7c5a73b6..00000000000000 --- a/Misc/NEWS.d/next/IDLE/2021-05-27-18-22-46.bpo-41611.jOKpfc.rst +++ /dev/null @@ -1 +0,0 @@ -Avoid uncaught exceptions in ``AutoCompleteWindow.winconfig_event()``. diff --git a/Misc/NEWS.d/next/Library/2020-09-10-07-23-24.bpo-41730.DyKFi9.rst b/Misc/NEWS.d/next/Library/2020-09-10-07-23-24.bpo-41730.DyKFi9.rst deleted file mode 100644 index 63d8353a7aab2e..00000000000000 --- a/Misc/NEWS.d/next/Library/2020-09-10-07-23-24.bpo-41730.DyKFi9.rst +++ /dev/null @@ -1 +0,0 @@ -``DeprecationWarning`` is now raised when importing :mod:`tkinter.tix`, which has been deprecated in documentation since Python 3.6. diff --git a/Misc/NEWS.d/next/Library/2021-03-29-00-23-30.bpo-43650.v01tic.rst b/Misc/NEWS.d/next/Library/2021-03-29-00-23-30.bpo-43650.v01tic.rst deleted file mode 100644 index a2ea4a4800a738..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-03-29-00-23-30.bpo-43650.v01tic.rst +++ /dev/null @@ -1,2 +0,0 @@ -Fix :exc:`MemoryError` in :func:`shutil.unpack_archive` which fails inside -:func:`shutil._unpack_zipfile` on large files. Patch by Igor Bolshakov. diff --git a/Misc/NEWS.d/next/Library/2021-04-29-00-48-00.bpo-28528.JLAVWj.rst b/Misc/NEWS.d/next/Library/2021-04-29-00-48-00.bpo-28528.JLAVWj.rst deleted file mode 100644 index 97731ad882e032..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-04-29-00-48-00.bpo-28528.JLAVWj.rst +++ /dev/null @@ -1,2 +0,0 @@ -Fix a bug in :mod:`pdb` where :meth:`~pdb.Pdb.checkline` raises -:exc:`AttributeError` if it is called after :meth:`~pdb.Pdb.reset`. diff --git a/Misc/NEWS.d/next/Library/2021-04-30-16-58-24.bpo-43972.Y2r9lg.rst b/Misc/NEWS.d/next/Library/2021-04-30-16-58-24.bpo-43972.Y2r9lg.rst deleted file mode 100644 index 3d67b885bab105..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-04-30-16-58-24.bpo-43972.Y2r9lg.rst +++ /dev/null @@ -1,3 +0,0 @@ -When :class:`http.server.SimpleHTTPRequestHandler` sends a -``301 (Moved Permanently)`` for a directory path not ending with `/`, add a -``Content-Length: 0`` header. This improves the behavior for certain clients. diff --git a/Misc/NEWS.d/next/Library/2021-05-02-13-54-25.bpo-38352.N9MlhV.rst b/Misc/NEWS.d/next/Library/2021-05-02-13-54-25.bpo-38352.N9MlhV.rst deleted file mode 100644 index bf8fe758f35702..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-05-02-13-54-25.bpo-38352.N9MlhV.rst +++ /dev/null @@ -1,2 +0,0 @@ -Add ``IO``, ``BinaryIO``, ``TextIO``, ``Match``, and ``Pattern`` to -``typing.__all__``. Patch by Jelle Zijlstra. diff --git a/Misc/NEWS.d/next/Library/2021-05-03-10-07-43.bpo-44018.VDyW8f.rst b/Misc/NEWS.d/next/Library/2021-05-03-10-07-43.bpo-44018.VDyW8f.rst deleted file mode 100644 index 87c7d83a7f35c5..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-05-03-10-07-43.bpo-44018.VDyW8f.rst +++ /dev/null @@ -1 +0,0 @@ -random.seed() no longer mutates bytearray inputs. diff --git a/Misc/NEWS.d/next/Library/2021-05-05-11-44-49.bpo-36515.uOSa3q.rst b/Misc/NEWS.d/next/Library/2021-05-05-11-44-49.bpo-36515.uOSa3q.rst deleted file mode 100644 index dd24474c2fde7e..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-05-05-11-44-49.bpo-36515.uOSa3q.rst +++ /dev/null @@ -1,2 +0,0 @@ -The :mod:`hashlib` module no longer does unaligned memory accesses when -compiled for ARM platforms. diff --git a/Misc/NEWS.d/next/Library/2021-05-06-16-01-55.bpo-44059.GF5r6O.rst b/Misc/NEWS.d/next/Library/2021-05-06-16-01-55.bpo-44059.GF5r6O.rst deleted file mode 100644 index f734bdb0bce09f..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-05-06-16-01-55.bpo-44059.GF5r6O.rst +++ /dev/null @@ -1 +0,0 @@ -Register the SerenityOS Browser in the :mod:`webbrowser` module. diff --git a/Misc/NEWS.d/next/Library/2021-05-09-22-52-34.bpo-44089.IoANsN.rst b/Misc/NEWS.d/next/Library/2021-05-09-22-52-34.bpo-44089.IoANsN.rst deleted file mode 100644 index b9bd963582fdc2..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-05-09-22-52-34.bpo-44089.IoANsN.rst +++ /dev/null @@ -1,2 +0,0 @@ -Allow subclassing ``csv.Error`` in 3.10 (it was allowed in 3.9 and earlier but -was disallowed in early versions of 3.10). diff --git a/Misc/NEWS.d/next/Library/2021-05-10-17-45-00.bpo-44098._MoxuZ.rst b/Misc/NEWS.d/next/Library/2021-05-10-17-45-00.bpo-44098._MoxuZ.rst deleted file mode 100644 index 2aaa8b695af465..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-05-10-17-45-00.bpo-44098._MoxuZ.rst +++ /dev/null @@ -1,5 +0,0 @@ -``typing.ParamSpec`` will no longer be found in the ``__parameters__`` of -most :mod:`typing` generics except in valid use locations specified by -:pep:`612`. This prevents incorrect usage like ``typing.List[P][int]``. This -change means incorrect usage which may have passed silently in 3.10 beta 1 -and earlier will now error. diff --git a/Misc/NEWS.d/next/Library/2021-05-12-16-43-21.bpo-38908.nM2_rO.rst b/Misc/NEWS.d/next/Library/2021-05-12-16-43-21.bpo-38908.nM2_rO.rst deleted file mode 100644 index 18e3dd4066c4af..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-05-12-16-43-21.bpo-38908.nM2_rO.rst +++ /dev/null @@ -1,5 +0,0 @@ -Subclasses of ``typing.Protocol`` which only have data variables declared -will now raise a ``TypeError`` when checked with ``isinstance`` unless they -are decorated with :func:`runtime_checkable`. Previously, these checks -passed silently. -Patch provided by Yurii Karabas. diff --git a/Misc/NEWS.d/next/Library/2021-05-13-19-07-28.bpo-37788.adeFcf.rst b/Misc/NEWS.d/next/Library/2021-05-13-19-07-28.bpo-37788.adeFcf.rst deleted file mode 100644 index 0c33923e992452..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-05-13-19-07-28.bpo-37788.adeFcf.rst +++ /dev/null @@ -1 +0,0 @@ -Fix a reference leak when a Thread object is never joined. diff --git a/Misc/NEWS.d/next/Library/2021-05-16-00-00-38.bpo-44145.ko5SJ7.rst b/Misc/NEWS.d/next/Library/2021-05-16-00-00-38.bpo-44145.ko5SJ7.rst deleted file mode 100644 index 40222185d50678..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-05-16-00-00-38.bpo-44145.ko5SJ7.rst +++ /dev/null @@ -1,3 +0,0 @@ -:mod:`hmac` computations were not releasing the GIL while calling the -OpenSSL ``HMAC_Update`` C API (a new feature in 3.9). This unintentionally -prevented parallel computation as other :mod:`hashlib` algorithms support. diff --git a/Misc/NEWS.d/next/Library/2021-05-16-17-48-24.bpo-33433.MyzO71.rst b/Misc/NEWS.d/next/Library/2021-05-16-17-48-24.bpo-33433.MyzO71.rst deleted file mode 100644 index 703e038fac9856..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-05-16-17-48-24.bpo-33433.MyzO71.rst +++ /dev/null @@ -1 +0,0 @@ -For IPv4 mapped IPv6 addresses (:rfc:`4291` Section 2.5.5.2), the :mod:`ipaddress.IPv6Address.is_private` check is deferred to the mapped IPv4 address. This solves a bug where public mapped IPv4 addresses were considered private by the IPv6 check. diff --git a/Misc/NEWS.d/next/Library/2021-05-21-12-12-35.bpo-43643.GWnmcF.rst b/Misc/NEWS.d/next/Library/2021-05-21-12-12-35.bpo-43643.GWnmcF.rst deleted file mode 100644 index 57157dfe217ee5..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-05-21-12-12-35.bpo-43643.GWnmcF.rst +++ /dev/null @@ -1 +0,0 @@ -Declare readers.MultiplexedPath.name as a property per the spec. diff --git a/Misc/NEWS.d/next/Library/2021-05-21-21-23-43.bpo-44210.5afQ3K.rst b/Misc/NEWS.d/next/Library/2021-05-21-21-23-43.bpo-44210.5afQ3K.rst deleted file mode 100644 index e5a14a1a265f1d..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-05-21-21-23-43.bpo-44210.5afQ3K.rst +++ /dev/null @@ -1 +0,0 @@ -Make importlib.metadata._meta.PackageMetadata public. diff --git a/Misc/NEWS.d/next/Library/2021-05-26-13-15-51.bpo-44241.TBqej8.rst b/Misc/NEWS.d/next/Library/2021-05-26-13-15-51.bpo-44241.TBqej8.rst deleted file mode 100644 index c160cf70abb528..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-05-26-13-15-51.bpo-44241.TBqej8.rst +++ /dev/null @@ -1,2 +0,0 @@ -Incorporate minor tweaks from importlib_metadata 4.1: SimplePath protocol, -support for Metadata 2.2. diff --git a/Misc/NEWS.d/next/Library/2021-05-26-13-34-37.bpo-33693.3okzdo.rst b/Misc/NEWS.d/next/Library/2021-05-26-13-34-37.bpo-33693.3okzdo.rst deleted file mode 100644 index 2a568a4f469f8d..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-05-26-13-34-37.bpo-33693.3okzdo.rst +++ /dev/null @@ -1 +0,0 @@ -Importlib.metadata now prefers f-strings to .format. diff --git a/Misc/NEWS.d/next/Library/2021-05-26-14-50-06.bpo-38693.NkMacJ.rst b/Misc/NEWS.d/next/Library/2021-05-26-14-50-06.bpo-38693.NkMacJ.rst deleted file mode 100644 index 10d014b5da562b..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-05-26-14-50-06.bpo-38693.NkMacJ.rst +++ /dev/null @@ -1 +0,0 @@ -Prefer f-strings to ``.format`` in importlib.resources. diff --git a/Misc/NEWS.d/next/Library/2021-05-29-01-05-43.bpo-44254.f06xDm.rst b/Misc/NEWS.d/next/Library/2021-05-29-01-05-43.bpo-44254.f06xDm.rst deleted file mode 100644 index 7438d5ce044b87..00000000000000 --- a/Misc/NEWS.d/next/Library/2021-05-29-01-05-43.bpo-44254.f06xDm.rst +++ /dev/null @@ -1,2 +0,0 @@ -On Mac, give turtledemo button text a color that works on both light -or dark background. Programmers cannot control the latter. diff --git a/Misc/NEWS.d/next/Security/2021-05-05-17-37-04.bpo-44022.bS3XJ9.rst b/Misc/NEWS.d/next/Security/2021-05-05-17-37-04.bpo-44022.bS3XJ9.rst deleted file mode 100644 index cf6b63e3961558..00000000000000 --- a/Misc/NEWS.d/next/Security/2021-05-05-17-37-04.bpo-44022.bS3XJ9.rst +++ /dev/null @@ -1,2 +0,0 @@ -mod:`http.client` now avoids infinitely reading potential HTTP headers after a -``100 Continue`` status response from the server. diff --git a/Misc/NEWS.d/next/Tests/2020-10-25-19-20-26.bpo-35753.2LT-hO.rst b/Misc/NEWS.d/next/Tests/2020-10-25-19-20-26.bpo-35753.2LT-hO.rst deleted file mode 100644 index eddfc25906da9e..00000000000000 --- a/Misc/NEWS.d/next/Tests/2020-10-25-19-20-26.bpo-35753.2LT-hO.rst +++ /dev/null @@ -1,2 +0,0 @@ -Fix crash in doctest when doctest parses modules that include unwrappable -functions by skipping those functions. diff --git a/Misc/NEWS.d/next/Tests/2021-05-04-18-10-57.bpo-42083.EMS2TK.rst b/Misc/NEWS.d/next/Tests/2021-05-04-18-10-57.bpo-42083.EMS2TK.rst deleted file mode 100644 index 8457508237a888..00000000000000 --- a/Misc/NEWS.d/next/Tests/2021-05-04-18-10-57.bpo-42083.EMS2TK.rst +++ /dev/null @@ -1,2 +0,0 @@ -Add test to check that ``PyStructSequence_NewType`` accepts a -``PyStructSequence_Desc`` with ``doc`` field set to ``NULL``. diff --git a/Misc/NEWS.d/next/Tests/2021-05-07-15-46-04.bpo-31904.8dk3la.rst b/Misc/NEWS.d/next/Tests/2021-05-07-15-46-04.bpo-31904.8dk3la.rst deleted file mode 100644 index 8e81f21997a3ab..00000000000000 --- a/Misc/NEWS.d/next/Tests/2021-05-07-15-46-04.bpo-31904.8dk3la.rst +++ /dev/null @@ -1 +0,0 @@ -Ignore error string case in test_py_compile ``test_file_not_exists()``. diff --git a/Misc/NEWS.d/next/Tools-Demos/2021-05-08-13-57-00.bpo-44074.F09kCK.rst b/Misc/NEWS.d/next/Tools-Demos/2021-05-08-13-57-00.bpo-44074.F09kCK.rst deleted file mode 100644 index 8bccb080a54186..00000000000000 --- a/Misc/NEWS.d/next/Tools-Demos/2021-05-08-13-57-00.bpo-44074.F09kCK.rst +++ /dev/null @@ -1 +0,0 @@ -Make patchcheck automatically detect the correct base branch name (previously it was hardcoded to 'master') \ No newline at end of file diff --git a/Misc/NEWS.d/next/Windows/2021-01-01-21-21-03.bpo-42686.G_f-TC.rst b/Misc/NEWS.d/next/Windows/2021-01-01-21-21-03.bpo-42686.G_f-TC.rst deleted file mode 100644 index 2fcf6e946ec838..00000000000000 --- a/Misc/NEWS.d/next/Windows/2021-01-01-21-21-03.bpo-42686.G_f-TC.rst +++ /dev/null @@ -1 +0,0 @@ -Build :mod:`sqlite3` with math functions enabled. Patch by Erlend E. Aasland. diff --git a/Misc/NEWS.d/next/macOS/2021-05-24-21-15-41.bpo-43109.npKJ9c.rst b/Misc/NEWS.d/next/macOS/2021-05-24-21-15-41.bpo-43109.npKJ9c.rst deleted file mode 100644 index bb4d24fa95513f..00000000000000 --- a/Misc/NEWS.d/next/macOS/2021-05-24-21-15-41.bpo-43109.npKJ9c.rst +++ /dev/null @@ -1,2 +0,0 @@ -Allow --with-lto configure option to work with Apple-supplied Xcode or -Command Line Tools. diff --git a/README.rst b/README.rst index 904dd3aad439b7..1f566cfb76945c 100644 --- a/README.rst +++ b/README.rst @@ -1,4 +1,4 @@ -This is Python version 3.10.0 beta 1 +This is Python version 3.10.0 beta 2 ==================================== .. image:: https://travis-ci.com/python/cpython.svg?branch=master

1 0

bpo-44263: Fix _decimal and _testcapi GC protocol (GH-26464)
by miss-islington 31 May '21

31 May '21

https://github.com/python/cpython/commit/46b16d0bdbb1722daed10389e27226a237… commit: 46b16d0bdbb1722daed10389e27226a2370f1635 branch: 3.9 author: Miss Islington (bot) <31488909+miss-islington(a)users.noreply.github.com> committer: miss-islington <31488909+miss-islington(a)users.noreply.github.com> date: 2021-05-31T04:33:31-07:00 summary: bpo-44263: Fix _decimal and _testcapi GC protocol (GH-26464) * _testcapi.heapgctype: implement a traverse function since the type is defined with Py_TPFLAGS_HAVE_GC. * _decimal: PyDecSignalDictMixin_Type is no longer defined with Py_TPFLAGS_HAVE_GC since it has no traverse function. (cherry picked from commit 142e5c5445c019542246d93fe2f9e195d3131686) Co-authored-by: Victor Stinner <vstinner(a)python.org> files: M Modules/_decimal/_decimal.c M Modules/_testcapimodule.c diff --git a/Modules/_decimal/_decimal.c b/Modules/_decimal/_decimal.c index fb4e020f1260e6..d80d7915507d9f 100644 --- a/Modules/_decimal/_decimal.c +++ b/Modules/_decimal/_decimal.c @@ -696,8 +696,7 @@ static PyTypeObject PyDecSignalDictMixin_Type = PyObject_GenericGetAttr, /* tp_getattro */ (setattrofunc) 0, /* tp_setattro */ (PyBufferProcs *) 0, /* tp_as_buffer */ - Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE| - Py_TPFLAGS_HAVE_GC, /* tp_flags */ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, /* tp_flags */ 0, /* tp_doc */ 0, /* tp_traverse */ 0, /* tp_clear */ diff --git a/Modules/_testcapimodule.c b/Modules/_testcapimodule.c index f4e04e77636cfb..4f6f193202b9b4 100644 --- a/Modules/_testcapimodule.c +++ b/Modules/_testcapimodule.c @@ -6257,6 +6257,13 @@ heapctype_init(PyObject *self, PyObject *args, PyObject *kwargs) return 0; } +static int +heapgcctype_traverse(HeapCTypeObject *self, visitproc visit, void *arg) +{ + Py_VISIT(Py_TYPE(self)); + return 0; +} + static void heapgcctype_dealloc(HeapCTypeObject *self) { @@ -6270,6 +6277,7 @@ static PyType_Slot HeapGcCType_slots[] = { {Py_tp_init, heapctype_init}, {Py_tp_members, heapctype_members}, {Py_tp_dealloc, heapgcctype_dealloc}, + {Py_tp_traverse, heapgcctype_traverse}, {Py_tp_doc, (char*)heapgctype__doc__}, {0, 0}, };

1 0

bpo-44263: Fix _decimal and _testcapi GC protocol (GH-26464) (GH-26465)
by pablogsal 31 May '21

31 May '21

https://github.com/python/cpython/commit/7fe9cad606a4ac7ac138528dcd19546394… commit: 7fe9cad606a4ac7ac138528dcd19546394bc5a44 branch: 3.10 author: Miss Islington (bot) <31488909+miss-islington(a)users.noreply.github.com> committer: pablogsal <Pablogsal(a)gmail.com> date: 2021-05-31T12:25:47+01:00 summary: bpo-44263: Fix _decimal and _testcapi GC protocol (GH-26464) (GH-26465) * _testcapi.heapgctype: implement a traverse function since the type is defined with Py_TPFLAGS_HAVE_GC. * _decimal: PyDecSignalDictMixin_Type is no longer defined with Py_TPFLAGS_HAVE_GC since it has no traverse function. (cherry picked from commit 142e5c5445c019542246d93fe2f9e195d3131686) Co-authored-by: Victor Stinner <vstinner(a)python.org> Co-authored-by: Victor Stinner <vstinner(a)python.org> files: M Modules/_decimal/_decimal.c M Modules/_testcapimodule.c diff --git a/Modules/_decimal/_decimal.c b/Modules/_decimal/_decimal.c index 9b89fa40c926b1..e2979a577c96c7 100644 --- a/Modules/_decimal/_decimal.c +++ b/Modules/_decimal/_decimal.c @@ -696,8 +696,7 @@ static PyTypeObject PyDecSignalDictMixin_Type = PyObject_GenericGetAttr, /* tp_getattro */ (setattrofunc) 0, /* tp_setattro */ (PyBufferProcs *) 0, /* tp_as_buffer */ - Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE| - Py_TPFLAGS_HAVE_GC, /* tp_flags */ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, /* tp_flags */ 0, /* tp_doc */ 0, /* tp_traverse */ 0, /* tp_clear */ diff --git a/Modules/_testcapimodule.c b/Modules/_testcapimodule.c index d926ad8f87a7a4..c759dcc0f152bf 100644 --- a/Modules/_testcapimodule.c +++ b/Modules/_testcapimodule.c @@ -6595,6 +6595,13 @@ heapctype_init(PyObject *self, PyObject *args, PyObject *kwargs) return 0; } +static int +heapgcctype_traverse(HeapCTypeObject *self, visitproc visit, void *arg) +{ + Py_VISIT(Py_TYPE(self)); + return 0; +} + static void heapgcctype_dealloc(HeapCTypeObject *self) { @@ -6608,6 +6615,7 @@ static PyType_Slot HeapGcCType_slots[] = { {Py_tp_init, heapctype_init}, {Py_tp_members, heapctype_members}, {Py_tp_dealloc, heapgcctype_dealloc}, + {Py_tp_traverse, heapgcctype_traverse}, {Py_tp_doc, (char*)heapgctype__doc__}, {0, 0}, };

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