On Tue, Jul 15, 2025 at 10:30 AM Daniel P. Berrangé <berra...@redhat.com> wrote:
>
> From: Richard W.M. Jones <rjo...@redhat.com>
>
> 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 change was suggested here:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=2375004#c4
>
> See-also: https://docs.python.org/3.14/whatsnew/3.14.html#id7
> Thanks: Miro Hrončok, Daniel P. Berrangé
> Signed-off-by: Richard W.M. Jones <rjo...@redhat.com>

Reviewed-by: John Snow <js...@redhat.com>

We fixed this in the standalone tree, but I hadn't synchronized the
changes over yet. Shall we take your patches first, and then I'll
worry about synchronizing later?

(I desperately need to drop this code from the qemu.git tree, urgh.)

> ---
>  python/qemu/qmp/legacy.py  | 5 ++++-
>  python/qemu/qmp/qmp_tui.py | 2 +-
>  python/tests/protocol.py   | 2 +-
>  3 files changed, 6 insertions(+), 3 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")
>
>          self._qmp = QMPClient(nickname)
> -        self._aloop = asyncio.get_event_loop()
> +        try:
> +            self._aloop = asyncio.get_event_loop()
> +        except RuntimeError:
> +            self._aloop = asyncio.new_event_loop()
>          self._address = address
>          self._timeout: Optional[float] = None
>
> diff --git a/python/qemu/qmp/qmp_tui.py b/python/qemu/qmp/qmp_tui.py
> index 2d9ebbd20b..7dfb03c9ad 100644
> --- a/python/qemu/qmp/qmp_tui.py
> +++ b/python/qemu/qmp/qmp_tui.py
> @@ -377,7 +377,7 @@ def run(self, debug: bool = False) -> None:
>          screen = urwid.raw_display.Screen()
>          screen.set_terminal_properties(256)
>
> -        self.aloop = asyncio.get_event_loop()
> +        self.aloop = asyncio.new_event_loop()
>          self.aloop.set_debug(debug)
>
>          # Gracefully handle SIGTERM and SIGINT signals
> diff --git a/python/tests/protocol.py b/python/tests/protocol.py
> index 56c4d441f9..db5d54d83f 100644
> --- a/python/tests/protocol.py
> +++ b/python/tests/protocol.py
> @@ -228,7 +228,7 @@ def async_test(async_test_method):
>          Decorator; adds SetUp and TearDown to async tests.
>          """
>          async def _wrapper(self, *args, **kwargs):
> -            loop = asyncio.get_event_loop()
> +            loop = asyncio.new_event_loop()
>              loop.set_debug(True)
>
>              await self._asyncSetUp()
> --
> 2.49.0
>


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