Migrate timer status to enum instead of int

django_q/enums.py

@@ -0,0 +1,14 @@
+from enum import IntEnum
+
+
+class TimerStatus(IntEnum):
+    """
+    Sentinel values for the countdown timer a worker shares with the sentinel.
+
+    Any positive value is the number of seconds left before the sentinel
+    considers the task timed out and reincarnates the worker.
+    """
+
+    TIMEOUT = 0  # task timed out, the worker has to be terminated
+    IDLE = -1  # waiting for work, or working without a timeout
+    RECYCLED = -2  # recycle limit reached, the worker stopped on its own