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Jones" To: jsnow@redhat.com Cc: crosa@redhat.com, qemu-devel@nongnu.org, berrange@redhat.com, mhroncok@redhat.com Subject: [PATCH] python: Replace asyncio.get_event_loop for Python 3.14 Date: Tue, 15 Jul 2025 11:51:10 +0100 Message-ID: <20250715105113.623604-1-rjones@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=rjones@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1752576709966116600 In Python 3.14, no asyncio event loop gets generated automatically. Instead create one when we need it. This should work with Python 3.13 as well. This is a mechanical change as suggested here: https://bugzilla.redhat.com/show_bug.cgi?id=3D2375004#c4 See-also: https://docs.python.org/3.14/whatsnew/3.14.html#id7 Thanks: Miro Hron=C4=8Dok Signed-off-by: Richard W.M. Jones --- python/qemu/qmp/legacy.py | 5 ++++- python/qemu/qmp/qmp_tui.py | 5 ++++- python/qemu/qmp/util.py | 5 ++++- python/tests/protocol.py | 5 ++++- 4 files changed, 16 insertions(+), 4 deletions(-) diff --git a/python/qemu/qmp/legacy.py b/python/qemu/qmp/legacy.py index 22a2b5616e..e11d05afbd 100644 --- a/python/qemu/qmp/legacy.py +++ b/python/qemu/qmp/legacy.py @@ -86,7 +86,10 @@ def __init__(self, "server argument should be False when passing a socket") =20 self._qmp =3D QMPClient(nickname) - self._aloop =3D asyncio.get_event_loop() + try: + self._aloop =3D asyncio.get_event_loop() + except RuntimeError: + self._aloop =3D asyncio.new_event_loop() self._address =3D address self._timeout: Optional[float] =3D None =20 diff --git a/python/qemu/qmp/qmp_tui.py b/python/qemu/qmp/qmp_tui.py index 2d9ebbd20b..84c5da4e66 100644 --- a/python/qemu/qmp/qmp_tui.py +++ b/python/qemu/qmp/qmp_tui.py @@ -377,7 +377,10 @@ def run(self, debug: bool =3D False) -> None: screen =3D urwid.raw_display.Screen() screen.set_terminal_properties(256) =20 - self.aloop =3D asyncio.get_event_loop() + try: + self.aloop =3D asyncio.get_event_loop() + except RuntimeError: + self.aloop =3D asyncio.new_event_loop() self.aloop.set_debug(debug) =20 # Gracefully handle SIGTERM and SIGINT signals diff --git a/python/qemu/qmp/util.py b/python/qemu/qmp/util.py index ca6225e9cd..8f9f849a5f 100644 --- a/python/qemu/qmp/util.py +++ b/python/qemu/qmp/util.py @@ -160,7 +160,10 @@ def asyncio_run(coro: Coroutine[Any, Any, T], *, debug= : bool =3D False) -> T: return asyncio.run(coro, debug=3Ddebug) =20 # Python 3.6 - loop =3D asyncio.get_event_loop() + try: + loop =3D asyncio.get_event_loop() + except RuntimeError: + loop =3D asyncio.new_event_loop() loop.set_debug(debug) ret =3D loop.run_until_complete(coro) loop.close() diff --git a/python/tests/protocol.py b/python/tests/protocol.py index 56c4d441f9..aa7c0e4397 100644 --- a/python/tests/protocol.py +++ b/python/tests/protocol.py @@ -228,7 +228,10 @@ def async_test(async_test_method): Decorator; adds SetUp and TearDown to async tests. """ async def _wrapper(self, *args, **kwargs): - loop =3D asyncio.get_event_loop() + try: + loop =3D asyncio.get_event_loop() + except RuntimeError: + loop =3D asyncio.new_event_loop() loop.set_debug(True) =20 await self._asyncSetUp() --=20 2.50.1