From 583f12ed6334eb6deac767a726f5ac6f9e7be9be Mon Sep 17 00:00:00 2001 From: jaseg Date: Sun, 19 Jul 2020 21:54:40 +0200 Subject: mpv.py: add prepare_and_wait_for_property --- mpv.py | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/mpv.py b/mpv.py index f2d63c6..8421972 100644 --- a/mpv.py +++ b/mpv.py @@ -916,6 +916,15 @@ class MPV(object): properties such as ``idle_active`` indicating the player is done with regular playback and just idling around. Raises a ShutdownError when the core is shutdown while waiting. """ + with self.prepare_and_wait_for_property(name, cond, level_sensitive): + pass + + @contextmanager + def prepare_and_wait_for_property(self, name, cond=lambda val: val, level_sensitive=True): + """Context manager that waits until ``cond`` evaluates to a truthy value on the named property. See + prepare_and_wait_for_event for usage. + Raises a ShutdownError when the core is shutdown while waiting. + """ sema = threading.Semaphore(value=0) def observer(name, val): @@ -927,6 +936,7 @@ class MPV(object): def shutdown_handler(event): sema.release() + yield if not level_sensitive or not cond(getattr(self, name.replace('-', '_'))): sema.acquire() -- cgit