Accepting request 1112284 from home:mcalabkova:branches:devel:languages:python:numeric

- Add multiprocessing-context.patch fixing tests for Python 3.11.5

OBS-URL: https://build.opensuse.org/request/show/1112284
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python:numeric/python-numba?expand=0&rev=73

multiprocessing-context.patch

@@ -0,0 +1,61 @@
+From c59e46a177bf7134dec3a9a374ec75aec4576e31 Mon Sep 17 00:00:00 2001
+From: Stuart Archibald <stuartarchibald@users.noreply.github.com>
+Date: Thu, 7 Sep 2023 17:03:56 +0100
+Subject: [PATCH] Fix issue with incompatible multiprocessing context in test.
+
+This fixes an issue highlighted by a patch added to Python 3.11.5
+which identifies if a semaphore created via one multiprocessing
+context is in use by another (doing this is essentially a bug).
+---
+ numba/tests/test_parallel_backend.py | 12 ++++++------
+ 1 file changed, 6 insertions(+), 6 deletions(-)
+
+diff --git a/numba/tests/test_parallel_backend.py b/numba/tests/test_parallel_backend.py
+index b1bee4fa94e..db64b6971e4 100644
+--- a/numba/tests/test_parallel_backend.py
++++ b/numba/tests/test_parallel_backend.py
+@@ -819,13 +819,13 @@ def test_par_parent_explicit_mp_fork_par_child(self):
+         body = """if 1:
+             X = np.arange(1000000.)
+             Y = np.arange(1000000.)
+-            q = multiprocessing.Queue()
++            ctx = multiprocessing.get_context('fork')
++            q = ctx.Queue()
+ 
+             # Start OpenMP runtime on parent via parallel function
+             Z = busy_func(X, Y, q)
+ 
+             # fork() underneath with no exec, will abort
+-            ctx = multiprocessing.get_context('fork')
+             proc = ctx.Process(target = busy_func, args=(X, Y, q))
+             proc.start()
+             proc.join()
+@@ -851,12 +851,12 @@ def test_par_parent_mp_spawn_par_child_par_parent(self):
+         body = """if 1:
+             X = np.arange(1000000.)
+             Y = np.arange(1000000.)
+-            q = multiprocessing.Queue()
++            ctx = multiprocessing.get_context('spawn')
++            q = ctx.Queue()
+ 
+             # Start OpenMP runtime and run on parent via parallel function
+             Z = busy_func(X, Y, q)
+             procs = []
+-            ctx = multiprocessing.get_context('spawn')
+             for x in range(20): # start a lot to try and get overlap
+                 ## fork() + exec() to run some OpenMP on children
+                 proc = ctx.Process(target = busy_func, args=(X, Y, q))
+@@ -937,11 +937,11 @@ def test_serial_parent_explicit_mp_fork_par_child_then_par_parent(self):
+         body = """if 1:
+             X = np.arange(1000000.)
+             Y = np.arange(1000000.)
+-            q = multiprocessing.Queue()
++            ctx = multiprocessing.get_context('fork')
++            q = ctx.Queue()
+ 
+             # this is ok
+             procs = []
+-            ctx = multiprocessing.get_context('fork')
+             for x in range(10):
+                 # fork() underneath with but no OpenMP in parent, this is ok
+                 proc = ctx.Process(target = busy_func, args=(X, Y, q))

python-numba.changes

@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Sep 19 12:08:03 UTC 2023 - Markéta Machová <mmachova@suse.com>
+
+- Add multiprocessing-context.patch fixing tests for Python 3.11.5
+
 -------------------------------------------------------------------
 Mon Aug 21 19:53:19 UTC 2023 - Ben Greiner <code@bnavigator.de>
 

python-numba.spec

@@ -57,6 +57,8 @@ Source:         https://files.pythonhosted.org/packages/source/n/numba/numba-%{v
 Patch0:         numba-pr9105-np1.25.patch
 # PATCH-FIX-OPENSUSE skip tests failing due to OBS specifics
 Patch3:         skip-failing-tests.patch
+# PATCH-FIX-UPSTREAM https://github.com/numba/numba/commit/c59e46a177bf7134dec3a9a374ec75aec4576e31 Fix issue with incompatible multiprocessing context in test.
+Patch4:         multiprocessing-context.patch
 BuildRequires:  %{python_module devel >= 3.8}
 BuildRequires:  %{python_module numpy-devel >= %{min_numpy_ver} with %python-numpy-devel < %{max_numpy_ver}}
 BuildRequires:  %{python_module pip}