simple scheduler to be called from daemon processes or similar

schedule.py

@@ -4,19 +4,23 @@ from typing import Callable, List, Any
 
 class Scheduler:
     def __init__(self):
-        self.jobs = []
+        self.jobs = {}
 
-    def schedule(self, timedelta: datetime.timedelta, func: Callable, *args: List[Any]):
+    def schedule(self, name: str, every: datetime.timedelta, func: Callable[..., None], *args: List[Any]):
-        self.jobs.append({
+        self.jobs[name] = {
-            'func': func,
+            'call': func,
             'args': args,
-            'timedelta': timedelta,
+            'timedelta': every,
-            'runat': (datetime.datetime.utcnow() + timedelta)
+            'runat': (datetime.datetime.utcnow() + every)
-        })
+        }
+
+    def unschedule(self, name: str):
+        if name in self.jobs:
+            del self.jobs[name]
 
     def run_pending(self):
         now = datetime.datetime.utcnow()
-        for job in self.jobs:
+        for _, job in self.jobs:
             if job['runat'] <= now:
                 job['runat'] += job['timedelta']
-                job['func'](*job['args'])
+                job['call'](*job['args'])