Added the APscheduler 3.9.1 source into the Linspector source tree.

apscheduler/schedulers/blocking.py

@@ -0,0 +1,35 @@
+from __future__ import absolute_import
+
+from threading import Event
+
+from apscheduler.schedulers.base import BaseScheduler, STATE_STOPPED
+from apscheduler.util import TIMEOUT_MAX
+
+
+class BlockingScheduler(BaseScheduler):
+    """
+    A scheduler that runs in the foreground
+    (:meth:`~apscheduler.schedulers.base.BaseScheduler.start` will block).
+    """
+    _event = None
+
+    def start(self, *args, **kwargs):
+        if self._event is None or self._event.is_set():
+            self._event = Event()
+
+        super(BlockingScheduler, self).start(*args, **kwargs)
+        self._main_loop()
+
+    def shutdown(self, wait=True):
+        super(BlockingScheduler, self).shutdown(wait)
+        self._event.set()
+
+    def _main_loop(self):
+        wait_seconds = TIMEOUT_MAX
+        while self.state != STATE_STOPPED:
+            self._event.wait(wait_seconds)
+            self._event.clear()
+            wait_seconds = self._process_jobs()
+
+    def wakeup(self):
+        self._event.set()