Python3 Migrate

venv/lib/python3.7/site-packages/mopidy/internal/process.py

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+import logging
+import threading
+
+import pykka
+
+import _thread
+
+logger = logging.getLogger(__name__)
+
+
+def exit_process():
+    logger.debug("Interrupting main...")
+    _thread.interrupt_main()
+    logger.debug("Interrupted main")
+
+
+def sigterm_handler(signum, frame):
+    """A :mod:`signal` handler which will exit the program on signal.
+
+    This function is not called when the process' main thread is running a GLib
+    mainloop. In that case, the GLib mainloop must listen for SIGTERM signals
+    and quit itself.
+
+    For Mopidy subcommands that does not run the GLib mainloop, this handler
+    ensures a proper shutdown of the process on SIGTERM.
+    """
+    logger.info("Got SIGTERM signal. Exiting...")
+    exit_process()
+
+
+def stop_actors_by_class(klass):
+    actors = pykka.ActorRegistry.get_by_class(klass)
+    logger.debug("Stopping %d instance(s) of %s", len(actors), klass.__name__)
+    for actor in actors:
+        actor.stop()
+
+
+def stop_remaining_actors():
+    num_actors = len(pykka.ActorRegistry.get_all())
+    while num_actors:
+        logger.error(
+            "There are actor threads still running, this is probably a bug"
+        )
+        logger.debug(
+            "Seeing %d actor and %d non-actor thread(s): %s",
+            num_actors,
+            threading.active_count() - num_actors,
+            ", ".join([t.name for t in threading.enumerate()]),
+        )
+        logger.debug("Stopping %d actor(s)...", num_actors)
+        pykka.ActorRegistry.stop_all()
+        num_actors = len(pykka.ActorRegistry.get_all())
+    logger.debug("All actors stopped.")