HTML Escaped error messages for better security, fixed bug related to callable only task

asyncron/base/admin.py

@@ -14,11 +14,12 @@ class BaseModelAdmin( admin.ModelAdmin ):
 					if request.user.is_superuser:
 						traceback_message = ''.join(traceback.TracebackException.from_exception(e).format())
 						self.message_user( request, mark_safe(f"""
-								Error For <b>{id}</b>: {e}
+								Error For <b>{id}</b>:
 								<style>
 									pre.tb {{display: none;}}
 									a.tb:focus + pre.tb {{display: block;}}
 								</style>
+								<pre>{escape(e)}</pre>
 								<a class='tb' href='#'>[TraceBack]</a>
 								<pre class='tb'>{escape(traceback_message)}</pre>
 							"""), messages.ERROR

asyncron/models.py

@@ -155,7 +155,7 @@ class Trace( BaseModel ):
 		assert self.status in "SAE", f"Cannot reschedule a task that is in {self.get_status_display()} state!"
 
 		await self.eval_related('task')
-		assert self.task.interval, "This is not a periodic task! Nothing to reschedule."
+		assert self.task.interval or target_datetime, "This is not a periodic task! Nothing to reschedule."
 
 		self.set_status( "S", reason )
 		if target_datetime:

asyncron/workers.py

@@ -362,7 +362,7 @@ class AsyncronWorker:
 		from .models import Task, Trace
 
 		#start services that aren't running yet.
-		Ts = Task.objects.filter( interval = None ).exclude(
+		Ts = Task.objects.filter( interval = None, timeout = None ).exclude(
 			trace__status__in = "WR"
 		).exclude( worker_type = "D" if self.model.is_robust else "R" )