diff options
Diffstat (limited to 'mpv.py')
-rw-r--r-- | mpv.py | 66 |
1 files changed, 39 insertions, 27 deletions
@@ -24,7 +24,7 @@ import sys from warnings import warn from functools import partial, wraps from contextlib import contextmanager -from concurrent.futures import Future +from concurrent.futures import Future, InvalidStateError import collections import re import traceback @@ -925,25 +925,16 @@ 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, timeout=timeout): + with self.prepare_and_wait_for_property(name, cond, level_sensitive, timeout=timeout) as result: pass + return result.result() def wait_for_shutdown(self, timeout=None): '''Wait for core to shutdown (e.g. through quit() or terminate()).''' - result = Future() - - @self.event_callback('shutdown') - def shutdown_handler(event): - result.set_result(None) - try: - if self._core_shutdown: - return - - result.set_running_or_notify_cancel() - return result.result(timeout) - finally: - shutdown_handler.unregister_mpv_events() + self.wait_for_event(None, timeout=timeout) + except ShutdownError: + return @contextmanager def prepare_and_wait_for_property(self, name, cond=lambda val: val, level_sensitive=True, timeout=None): @@ -959,20 +950,32 @@ class MPV(object): if rv: result.set_result(rv) except Exception as e: - result.set_exception(e) + try: + result.set_exception(e) + except InvalidStateError: + pass + except InvalidStateError: + pass self.observe_property(name, observer) @self.event_callback('shutdown') def shutdown_handler(event): - result.set_exception(ShutdownError('libmpv core has been shutdown')) + try: + result.set_exception(ShutdownError('libmpv core has been shutdown')) + except InvalidStateError: + pass try: - yield + result.set_running_or_notify_cancel() + yield result - if not level_sensitive or not cond(getattr(self, name.replace('-', '_'))): + rv = cond(getattr(self, name.replace('-', '_'))) + if level_sensitive and rv: + result.set_result(rv) + + else: self.check_core_alive() - result.set_running_or_notify_cancel() - return result.result(timeout) + result.result(timeout) finally: shutdown_handler.unregister_mpv_events() self.unobserve_property(name, observer) @@ -982,8 +985,9 @@ class MPV(object): if the core is shutdown while waiting. This also happens when 'shutdown' is in event_types. Re-raises any error inside ``cond``. """ - with self.prepare_and_wait_for_event(*event_types, cond=cond, timeout=timeout): + with self.prepare_and_wait_for_event(*event_types, cond=cond, timeout=timeout) as result: pass + return result.result() @contextmanager def prepare_and_wait_for_event(self, *event_types, cond=lambda evt: True, timeout=None): @@ -1004,7 +1008,10 @@ class MPV(object): @self.event_callback('shutdown') def shutdown_handler(event): - result.set_exception(ShutdownError('libmpv core has been shutdown')) + try: + result.set_exception(ShutdownError('libmpv core has been shutdown')) + except InvalidStateError: + pass @self.event_callback(*event_types) def target_handler(evt): @@ -1014,13 +1021,18 @@ class MPV(object): if rv: result.set_result(rv) except Exception as e: - result.set_exception(e) + try: + result.set_exception(e) + except InvalidStateError: + pass + except InvalidStateError: + pass try: - yield - self.check_core_alive() result.set_running_or_notify_cancel() - return result.result(timeout) + yield result + self.check_core_alive() + result.result(timeout) finally: shutdown_handler.unregister_mpv_events() |