Merge branch 'main' into bitfields

Author: matthiasgoergens

.github/CODEOWNERS

@@ -4,6 +4,9 @@
 # It uses the same pattern rule for gitignore file
 # https://git-scm.com/docs/gitignore#_pattern_format
 
+# GitHub
+.github/**                    @ezio-melotti
+
 # asyncio
 **/*asyncio*                  @1st1 @asvetlov @gvanrossum
 

.github/CONTRIBUTING.rst

@@ -38,7 +38,7 @@ also suggestions on how you can most effectively help the project.
 
 Please be aware that our workflow does deviate slightly from the typical GitHub
 project. Details on how to properly submit a pull request are covered in
-`Lifecycle of a Pull Request <https://devguide.python.org/pullrequest/>`_.
+`Lifecycle of a Pull Request <https://devguide.python.org/getting-started/pull-request-lifecycle.html>`_.
 We utilize various bots and status checks to help with this, so do follow the
 comments they leave and their "Details" links, respectively. The key points of
 our workflow that are not covered by a bot or status check are:

.github/workflows/build.yml

@@ -25,6 +25,10 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   check_source:
     name: 'Check for source changes'

.github/workflows/build_msi.yml

@@ -18,6 +18,10 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   build:
     name: Windows Installer

.github/workflows/doc.yml

@@ -28,6 +28,10 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   build_doc:
     name: 'Docs'

.github/workflows/project-updater.yml

@@ -6,6 +6,9 @@ on:
       - opened
       - labeled
 
+permissions:
+  contents: read
+
 jobs:
   add-to-project:
     name: Add issues to projects

.github/workflows/verify-ensurepip-wheels.yml

@@ -16,6 +16,10 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   verify:
     runs-on: ubuntu-latest

Doc/c-api/buffer.rst

@@ -99,7 +99,7 @@ a buffer, see :c:func:`PyObject_GetBuffer`.
       For :term:`contiguous` arrays, the value points to the beginning of
       the memory block.
 
-   .. c:member:: void *obj
+   .. c:member:: PyObject *obj
 
       A new reference to the exporting object. The reference is owned by
       the consumer and automatically decremented and set to ``NULL`` by

Doc/c-api/memoryview.rst

@@ -55,7 +55,7 @@ any other object.
    *mview* **must** be a memoryview instance; this macro doesn't check its type,
    you must do it yourself or you will risk crashes.
 
-.. c:function:: Py_buffer *PyMemoryView_GET_BASE(PyObject *mview)
+.. c:function:: PyObject *PyMemoryView_GET_BASE(PyObject *mview)
 
    Return either a pointer to the exporting object that the memoryview is based
    on or ``NULL`` if the memoryview has been created by one of the functions

Doc/howto/descriptor.rst

@@ -847,7 +847,7 @@ afterwards, :meth:`__set_name__` will need to be called manually.
 ORM example
 -----------
 
-The following code is simplified skeleton showing how data descriptors could
+The following code is a simplified skeleton showing how data descriptors could
 be used to implement an `object relational mapping
 <https://en.wikipedia.org/wiki/Object%E2%80%93relational_mapping>`_.
 
@@ -1535,6 +1535,8 @@ by member descriptors:
         def __get__(self, obj, objtype=None):
             'Emulate member_get() in Objects/descrobject.c'
             # Also see PyMember_GetOne() in Python/structmember.c
+            if obj is None:
+                return self
             value = obj._slotvalues[self.offset]
             if value is null:
                 raise AttributeError(self.name)
@@ -1563,13 +1565,13 @@ variables:
     class Type(type):
         'Simulate how the type metaclass adds member objects for slots'
 
-        def __new__(mcls, clsname, bases, mapping):
+        def __new__(mcls, clsname, bases, mapping, **kwargs):
             'Emulate type_new() in Objects/typeobject.c'
             # type_new() calls PyTypeReady() which calls add_methods()
             slot_names = mapping.get('slot_names', [])
             for offset, name in enumerate(slot_names):
                 mapping[name] = Member(name, clsname, offset)
-            return type.__new__(mcls, clsname, bases, mapping)
+            return type.__new__(mcls, clsname, bases, mapping, **kwargs)
 
 The :meth:`object.__new__` method takes care of creating instances that have
 slots instead of an instance dictionary.  Here is a rough simulation in pure
@@ -1580,7 +1582,7 @@ Python:
     class Object:
         'Simulate how object.__new__() allocates memory for __slots__'
 
-        def __new__(cls, *args):
+        def __new__(cls, *args, **kwargs):
             'Emulate object_new() in Objects/typeobject.c'
             inst = super().__new__(cls)
             if hasattr(cls, 'slot_names'):
@@ -1593,7 +1595,7 @@ Python:
             cls = type(self)
             if hasattr(cls, 'slot_names') and name not in cls.slot_names:
                 raise AttributeError(
-                    f'{type(self).__name__!r} object has no attribute {name!r}'
+                    f'{cls.__name__!r} object has no attribute {name!r}'
                 )
             super().__setattr__(name, value)
 
@@ -1602,7 +1604,7 @@ Python:
             cls = type(self)
             if hasattr(cls, 'slot_names') and name not in cls.slot_names:
                 raise AttributeError(
-                    f'{type(self).__name__!r} object has no attribute {name!r}'
+                    f'{cls.__name__!r} object has no attribute {name!r}'
                 )
             super().__delattr__(name)