feat: add comprehensive GitHub workflow and development tools

app/.venv/Lib/site-packages/celery/worker/consumer/heart.py

@@ -0,0 +1,36 @@
+"""Worker Event Heartbeat Bootstep."""
+from celery import bootsteps
+from celery.worker import heartbeat
+
+from .events import Events
+
+__all__ = ('Heart',)
+
+
+class Heart(bootsteps.StartStopStep):
+    """Bootstep sending event heartbeats.
+
+    This service sends a ``worker-heartbeat`` message every n seconds.
+
+    Note:
+        Not to be confused with AMQP protocol level heartbeats.
+    """
+
+    requires = (Events,)
+
+    def __init__(self, c,
+                 without_heartbeat=False, heartbeat_interval=None, **kwargs):
+        self.enabled = not without_heartbeat
+        self.heartbeat_interval = heartbeat_interval
+        c.heart = None
+        super().__init__(c, **kwargs)
+
+    def start(self, c):
+        c.heart = heartbeat.Heart(
+            c.timer, c.event_dispatcher, self.heartbeat_interval,
+        )
+        c.heart.start()
+
+    def stop(self, c):
+        c.heart = c.heart and c.heart.stop()
+    shutdown = stop