diff options
| -rw-r--r-- | mpv.py | 10 |
1 files changed, 10 insertions, 0 deletions
@@ -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() |