simple scheduler to be called from daemon processes or similar

schedule.py

@@ -0,0 +1,22 @@
+import datetime
+from typing import Callable, List, Any
+
+
+class Scheduler:
+    def __init__(self):
+        self.jobs = []
+
+    def schedule(self, timedelta: datetime.timedelta, func: Callable, *args: List[Any]):
+        self.jobs.append({
+            'func': func,
+            'args': args,
+            'timedelta': timedelta,
+            'runat': (datetime.datetime.utcnow() + timedelta)
+        })
+
+    def run_pending(self):
+        now = datetime.datetime.utcnow()
+        for job in self.jobs:
+            if job['runat'] <= now:
+                job['runat'] += job['timedelta']
+                job['func'](*job['args'])