rpms/swig
6
0
Fork 0
Code Issues Pull Requests Releases Activity

Resolves: RHEL-82838 - Python 3.14 support

Browse Source 
Python 3.14 is planned to be added to RHEL 10 in the future.
This commit is contained in:
Jitka Plesnikova 2025-09-30 17:16:13 +02:00
parent 3c6d5fc29a
commit 053502dfac
2 changed files with 157 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

153
swig-python-Python-3.14-support.patch Normal file
View File

@ -0,0 +1,153 @@
From 50e1cc8bc0d090164762ec166439f8b0f3855308 Mon Sep 17 00:00:00 2001
From: Julien Schueller <schueller@phimeca.com>
Date: Thu, 10 Apr 2025 17:22:15 +0200
Subject: [PATCH 1/3] Python: Handle __package__ removal
Closes #2967
---
Doc/Manual/Python.html | 6 +++---
Source/Modules/python.cxx | 8 +++++---
2 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/Doc/Manual/Python.html b/Doc/Manual/Python.html
index 23587e5dbcc..01fc449a68a 100644
--- a/Doc/Manual/Python.html
+++ b/Doc/Manual/Python.html
@@ -6552,7 +6552,7 @@ <H4><a name="Python_package_search_both_package_modules">33.11.6.1 Both modules
<p>
In this configuration, the pure Python module, foo.py, tries to load the C/C++ module, _foo, from the same package foo.py is
-located in. The package name is determined from the <tt>__package__</tt>
+located in. The package name is determined from the <tt>__spec__.parent</tt> (or <tt>__package__</tt> before Python 3.4)
attribute if available, see <a href="https://www.python.org/dev/peps/pep-0366/">PEP 366</a>. Otherwise it is derived from the <tt>__name__</tt>
attribute given to foo.py by the Python loader that imported foo.py.
The interface file for this configuration would contain:
@@ -6675,7 +6675,7 @@ <H4><a name="Python_custom_module_import">33.11.6.4 More on customizing the modu
<div class="targetlang">
<pre>
-if __package__ or '.' in __name__:
+if getattr(__spec__, "parent", None) or '.' in __name__:
from . import _foo
else:
import _foo
@@ -6760,7 +6760,7 @@ <H4><a name="Python_custom_module_import">33.11.6.4 More on customizing the modu
<div class="targetlang">
<pre>
-if __package__ or '.' in __name__:
+if getattr(__spec__, "parent", None) or '.' in __name__:
from ._foo import *
else:
from _foo import *
diff --git a/Source/Modules/python.cxx b/Source/Modules/python.cxx
index 86daf131c8b..a71fc3cdb25 100644
--- a/Source/Modules/python.cxx
+++ b/Source/Modules/python.cxx
@@ -703,20 +703,22 @@ class PYTHON:public Language {
* onwards (implicit relative imports raised a DeprecationWarning in 2.6,
* and fail in 2.7 onwards).
*
- * First check for __package__ which is available from 2.6 onwards, see PEP366.
+ * First check for __spec__.parent which is available from 3.4 onwards,
+ * see https://docs.python.org/3/reference/import.html#spec. If not,
+ * check for __package__, which was set before 3.14.
* Next try determine the shadow wrapper's package based on the __name__ it
* was given by the importer that loaded it.
* If the module is in a package, load the low-level C/C++ module from the
* same package, otherwise load it as a global module.
*/
Printv(default_import_code, "# Import the low-level C/C++ module\n", NULL);
- Printv(default_import_code, "if __package__ or \".\" in __name__:\n", NULL);
+ Printv(default_import_code, "if getattr(globals().get(\"__spec__\"), \"parent\", None) or globals().get(\"__package__\") or \".\" in __name__:\n", NULL);
Printv(default_import_code, tab4, "from . import ", module, "\n", NULL);
Printv(default_import_code, "else:\n", NULL);
Printv(default_import_code, tab4, "import ", module, "\n", NULL);
} else {
Printv(default_import_code, "# Pull in all the attributes from the low-level C/C++ module\n", NULL);
- Printv(default_import_code, "if __package__ or \".\" in __name__:\n", NULL);
+ Printv(default_import_code, "if getattr(globals().get(\"__spec__\"), \"parent\", None) or globals().get(\"__package__\") or \".\" in __name__:\n", NULL);
Printv(default_import_code, tab4, "from .", module, " import *\n", NULL);
Printv(default_import_code, "else:\n", NULL);
Printv(default_import_code, tab4, "from ", module, " import *\n", NULL);
From 3bfdf13c602f877860a9949ba751a5b5a9ba70aa Mon Sep 17 00:00:00 2001
From: Julien Schueller <schueller@phimeca.com>
Date: Thu, 10 Apr 2025 18:35:25 +0200
Subject: [PATCH 2/3] Python: Add ht_token
---
Source/Modules/python.cxx | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Source/Modules/python.cxx b/Source/Modules/python.cxx
index a71fc3cdb25..3070a94face 100644
--- a/Source/Modules/python.cxx
+++ b/Source/Modules/python.cxx
@@ -4374,6 +4374,11 @@ class PYTHON:public Language {
Printv(f, "#if PY_VERSION_HEX >= 0x030b0000\n", NIL);
printSlot(f, getSlot(n, "feature:python:_ht_tpname"), "_ht_tpname", "char *");
+ // void *ht_token;
+ Printv(f, "#if PY_VERSION_HEX >= 0x030e0000\n", NIL);
+ printSlot(f, getSlot(n, "feature:python:ht_token"), "ht_token", "void *");
+ Printv(f, "#endif\n", NIL);
+
// struct _specialization_cache _spec_cache;
Printf(f, " {\n");
printSlot(f, getSlot(n, "feature:python:getitem"), "getitem", "PyObject *");
From 55237efa7219f65a04e0ffc69a81c574b5f5e162 Mon Sep 17 00:00:00 2001
From: Julien Schueller <schueller@phimeca.com>
Date: Thu, 10 Apr 2025 17:47:59 +0200
Subject: [PATCH 3/3] Python: Amend annotations test
---
.../python_annotations_variable_c_runme.py | 24 +++++++++++++------
1 file changed, 17 insertions(+), 7 deletions(-)
diff --git a/Examples/test-suite/python/python_annotations_variable_c_runme.py b/Examples/test-suite/python/python_annotations_variable_c_runme.py
index 153852d05e6..d1f359bbbd0 100644
--- a/Examples/test-suite/python/python_annotations_variable_c_runme.py
+++ b/Examples/test-suite/python/python_annotations_variable_c_runme.py
@@ -1,4 +1,17 @@
import sys
+import inspect
+
+
+def get_annotations(cls):
+ # Python >=3.14 removed the __annotations__ attribute
+ # retrieve it via inspect (see also annotationlib)
+ if hasattr(inspect, "get_annotations"):
+ # Python >=3.10
+ return inspect.get_annotations(cls)
+ else:
+ # Python <3.10
+ return getattr(cls, "__annotations__", {})
+
# Variable annotations for properties is only supported in python-3.6 and later (PEP 526)
if sys.version_info[0:2] >= (3, 6):
@@ -8,17 +21,14 @@
annotations_supported = not(is_python_builtin() or is_python_fastproxy())
if annotations_supported:
- ts = TemplateShort()
- anno = ts.__annotations__
+ anno = get_annotations(TemplateShort)
if anno != {'member_variable': 'int'}:
raise RuntimeError("annotations mismatch: {}".format(anno))
- ts = StructWithVar()
- anno = ts.__annotations__
+ anno = get_annotations(StructWithVar)
if anno != {'member_variable': 'int'}:
raise RuntimeError("annotations mismatch: {}".format(anno))
- ts = StructWithVarNotAnnotated()
- if getattr(ts, "__annotations__", None) != None:
- anno = ts.__annotations__
+ anno = get_annotations(StructWithVarNotAnnotated)
+ if anno != {}:
raise RuntimeError("annotations mismatch: {}".format(anno))

4
swig.spec
View File

@ -85,6 +85,9 @@ Patch1: swig-4.3.0-Fix-precedence-of-casts.patch
# Python DeprecationWarning fixes - in upstream after 4.4.0
# https://github.com/swig/swig/issues/2881
Patch2: swig-4.4.0-Python-DeprecationWarning-fixes.patch
# Python 3.14 support - in upstream after 4.4.0
# https://github.com/swig/swig/pull/3159
Patch3: swig-python-Python-3.14-support.patch
BuildRequires: coreutils
BuildRequires: findutils
@ -370,6 +373,7 @@ install -pm 644 Tools/swig.gdb %{buildroot}%{_datadir}/%{name}/gdb
%changelog
* Tue Sep 30 2025 Jitka Plesnikova <jplesnik@redhat.com> - 4.3.0-4
- Resolves: RHEL-82838 - Fix Python DeprecationWarning
- Python 3.14 support
* Mon Nov 11 2024 Jitka Plesnikova <jplesnik@redhat.com> - 4.3.0-3
- Resolves: RHEL-66938 - Fix precedence of casts