dev-python/mpi4py: 3.0.3 version bump w/ python3_8, python3_9

Package-Manager: Portage-2.3.100, Repoman-2.3.22
Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>

4 files changed, 220 insertions, 0 deletions

diff --git a/dev-python/mpi4py/Manifest b/dev-python/mpi4py/Manifest
index 761d398e96d8..4e912a3804fe 100644
--- a/dev-python/mpi4py/Manifest
+++ b/dev-python/mpi4py/Manifest
@@ -1 +1,2 @@
 DIST mpi4py-3.0.2.tar.gz 1429331 BLAKE2B 9e35749a82698ec656553583f01ebd8edbfb3b649c7693a9ff63f9f6abfa3fd41a54cbe4e3a1de55cbaf4dc626602706c776c505d0f5c0d82ebe88f2b4ceeddb SHA512 0a18332fd45e8e80b8dab0761fbaa30444a0d55776af7a2333be17ade827e92d04ac5bb8619ce26937142f344f75de0e5ef6dcb7502f33389716aa9482ddf5ab
+DIST mpi4py-3.0.3.tar.gz 1429389 BLAKE2B 1e8c44b857b417237832682d0b3b5c90d1f1046fd8137d2a63972419ff8ec0e1fd2ebba521e2d2d6ba9f773b7c607370b55d8d75c9afeaca172ac06dd838943c SHA512 041768f753c8188b2560fe92711861780f0d77eda3281433520c98bb1e9b4da6a89c364f2d1c4623868ffbbcfde34ef556198b1bef6fc1c4a9c19cd5e71b546c
diff --git a/dev-python/mpi4py/files/mpi4py-3.0.3-py38futures.patch b/dev-python/mpi4py/files/mpi4py-3.0.3-py38futures.patch
new file mode 100644
index 000000000000..53b3aa36b2fb
--- /dev/null
+++ b/dev-python/mpi4py/files/mpi4py-3.0.3-py38futures.patch
@@ -0,0 +1,131 @@
+From 62a7b879051f2029fe46618f8bf9a019bdb96845 Mon Sep 17 00:00:00 2001
+From: Lisandro Dalcin <dalcinl@gmail.com>
+Date: Fri, 25 Oct 2019 12:22:41 +0300
+Subject: [PATCH] mpi4py.futures: Fixes to support Python 3.8
+
+---
+ demo/futures/test_futures.py   |  7 +++++--
+ src/mpi4py/futures/__init__.py | 10 ++++++++++
+ src/mpi4py/futures/_base.py    | 25 +++++++++++++++++++++++--
+ 3 files changed, 38 insertions(+), 4 deletions(-)
+
+diff --git a/demo/futures/test_futures.py b/demo/futures/test_futures.py
+index 925544d..7e03003 100644
+--- a/demo/futures/test_futures.py
++++ b/demo/futures/test_futures.py
+@@ -1157,7 +1157,9 @@ class ThenTest(unittest.TestCase):
+         def transform(a):
+             try:
+                 f = chain.pop(0)
+-                f.set_result(transform(a))
++                r = transform(a)
++                f.__init__()
++                f.set_result(r)
+                 return f
+             except IndexError:
+                 return 42
+@@ -1176,7 +1178,8 @@ class ThenTest(unittest.TestCase):
+         self.assert_(new_f.exception())
+         with self.assertRaises(RuntimeError) as catcher:
+             new_f.result()
+-        assert 'Circular future chain detected' in catcher.exception.args[0]
++        self.assert_('Circular future chain detected'
++                     in catcher.exception.args[0])
+ 
+ 
+ SKIP_POOL_TEST = False
+diff --git a/src/mpi4py/futures/__init__.py b/src/mpi4py/futures/__init__.py
+index d8c00bc..0518d7a 100644
+--- a/src/mpi4py/futures/__init__.py
++++ b/src/mpi4py/futures/__init__.py
+@@ -15,6 +15,14 @@ try:
+         wait,
+         as_completed,
+     )
++    try:  # Python 3.7
++        from concurrent.futures import BrokenExecutor
++    except ImportError:  # pragma: no cover
++        BrokenExecutor = RuntimeError
++    try:  # Python 3.8
++        from concurrent.futures import InvalidStateError
++    except ImportError:  # pragma: no cover
++        InvalidStateError = CancelledError.__base__
+ except ImportError:  # pragma: no cover
+     from ._base import (
+         FIRST_COMPLETED,
+@@ -22,6 +30,8 @@ except ImportError:  # pragma: no cover
+         ALL_COMPLETED,
+         CancelledError,
+         TimeoutError,
++        InvalidStateError,
++        BrokenExecutor,
+         Future,
+         Executor,
+         wait,
+diff --git a/src/mpi4py/futures/_base.py b/src/mpi4py/futures/_base.py
+index cfbd2c0..3eaa512 100644
+--- a/src/mpi4py/futures/_base.py
++++ b/src/mpi4py/futures/_base.py
+@@ -1,4 +1,4 @@
+-# Backport of concurrent.futures._base from Python 3.7
++# Backport of concurrent.futures._base from Python 3.8
+ # pylint: skip-file
+ 
+ # Copyright 2009 Brian Quinlan. All Rights Reserved.
+@@ -61,6 +61,10 @@ class TimeoutError(Error):
+     """The operation exceeded the given deadline."""
+     pass
+ 
++class InvalidStateError(Error):
++    """The operation is not allowed in this state."""
++    pass
++
+ class _Waiter(object):
+     """Provides the event that wait() and as_completed() block on."""
+     def __init__(self):
+@@ -414,7 +418,14 @@ class Future(object):
+             if self._state not in [CANCELLED, CANCELLED_AND_NOTIFIED, FINISHED]:
+                 self._done_callbacks.append(fn)
+                 return
+-        fn(self)
++        try:
++            fn(self)
++        except Exception:
++            LOGGER.exception('exception calling callback for %r', self)
++        except BaseException:
++            raise
++        except:  # old-style exception objects
++            LOGGER.exception('exception calling callback for %r', self)
+ 
+     def result(self, timeout=None):
+         """Return the result of the call that the future represents.
+@@ -527,6 +538,8 @@ class Future(object):
+         Should only be used by Executor implementations and unit tests.
+         """
+         with self._condition:
++            if self._state in {CANCELLED, CANCELLED_AND_NOTIFIED, FINISHED}:
++                raise InvalidStateError('{}: {!r}'.format(self._state, self))
+             self._result = result
+             self._state = FINISHED
+             for waiter in self._waiters:
+@@ -540,6 +553,8 @@ class Future(object):
+         Should only be used by Executor implementations and unit tests.
+         """
+         with self._condition:
++            if self._state in {CANCELLED, CANCELLED_AND_NOTIFIED, FINISHED}:
++                raise InvalidStateError('{}: {!r}'.format(self._state, self))
+             self._exception = exception
+             self._state = FINISHED
+             for waiter in self._waiters:
+@@ -625,3 +640,9 @@ class Executor(object):
+     def __exit__(self, exc_type, exc_val, exc_tb):
+         self.shutdown(wait=True)
+         return False
++
++
++class BrokenExecutor(RuntimeError):
++    """
++    Raised when a executor has become non-functional after a severe failure.
++    """
+-- 
+2.10.5
diff --git a/dev-python/mpi4py/files/mpi4py-3.0.3-py38setup.patch b/dev-python/mpi4py/files/mpi4py-3.0.3-py38setup.patch
new file mode 100644
index 000000000000..877486b40604
--- /dev/null
+++ b/dev-python/mpi4py/files/mpi4py-3.0.3-py38setup.patch
@@ -0,0 +1,25 @@
+From 36e77661b7a879f0ec1eb165c3b5cd0259eb8496 Mon Sep 17 00:00:00 2001
+From: Lisandro Dalcin <dalcinl@gmail.com>
+Date: Sat, 28 Sep 2019 18:10:52 +0300
+Subject: [PATCH] setup: Minor fix for Python 3.8
+
+---
+ setup.py | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/setup.py b/setup.py
+index 235b115..9c03c49 100644
+--- a/setup.py
++++ b/setup.py
+@@ -336,7 +336,7 @@ def configure_pyexe(exe, config_cmd):
+     libraries = []
+     library_dirs = []
+     link_args = []
+-    if not sysconfig.get_config_var('Py_ENABLE_SHARED'):
++    if pyver >= (3, 8) or not cfg_vars.get('Py_ENABLE_SHARED'):
+         py_version = sysconfig.get_python_version()
+         py_abiflags = getattr(sys, 'abiflags', '')
+         libraries = ['python' + py_version + py_abiflags]
+-- 
+2.10.5
+
diff --git a/dev-python/mpi4py/mpi4py-3.0.3.ebuild b/dev-python/mpi4py/mpi4py-3.0.3.ebuild
new file mode 100644
index 000000000000..123da6c26869
--- /dev/null
+++ b/dev-python/mpi4py/mpi4py-3.0.3.ebuild
@@ -0,0 +1,63 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{6,7,8,9} )
+inherit distutils-r1
+
+DESCRIPTION="Message Passing Interface for Python"
+HOMEPAGE="https://bitbucket.org/mpi4py/ https://pypi.org/project/mpi4py/"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~x86 ~amd64-linux ~x86-linux"
+IUSE="doc examples test"
+
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	dev-python/cython[${PYTHON_USEDEP}]
+	dev-python/numpy[${PYTHON_USEDEP}]
+	virtual/mpi
+"
+DEPEND="${RDEPEND}
+	test? (
+		dev-python/nose[${PYTHON_USEDEP}]
+		virtual/mpi[romio]
+	)
+"
+
+DISTUTILS_IN_SOURCE_BUILD=1
+
+PATCHES=(
+	"${FILESDIR}/${P}-py38setup.patch"
+	"${FILESDIR}/${P}-py38futures.patch"
+)
+
+python_prepare_all() {
+	# not needed on install
+	rm -vr docs/source || die
+	rm test/test_pickle.py || die # disabled by Gentoo-bug #659348
+	distutils-r1_python_prepare_all
+}
+
+src_compile() {
+	export FAKEROOTKEY=1
+	distutils-r1_src_compile
+}
+
+python_test() {
+	echo "Beginning test phase"
+	pushd "${BUILD_DIR}"/../ &> /dev/null || die
+	mpiexec --use-hwthread-cpus --mca btl tcp,self -n 1 "${PYTHON}" -B ./test/runtests.py -v --exclude="test_msgspec" ||
+		die "Testsuite failed under ${EPYTHON}"
+	popd &> /dev/null || die
+}
+
+python_install_all() {
+	use doc && local HTML_DOCS=( docs/. )
+	use examples && local DOCS=( demo )
+	distutils-r1_python_install_all
+}