From ec63d43905a4487839af55d41641c94e42b63ecc Mon Sep 17 00:00:00 2001
From: Vincent Le Goff <vincent.legoff.srs@gmail.com>
Date: Mon, 13 Feb 2017 17:00:02 -0800
Subject: [PATCH] Add a check to not create a task to watch a script if the
 task already exists

---
 evennia/scripts/scripts.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/evennia/scripts/scripts.py b/evennia/scripts/scripts.py
index 6764b2e7a8..08a8d4fb0d 100644
--- a/evennia/scripts/scripts.py
+++ b/evennia/scripts/scripts.py
@@ -170,6 +170,10 @@ class DefaultScript(ScriptBase):
 
         """
 
+        if self.ndb._task and self.ndb._task.running:
+            # The task already exists, doesn't start it again
+            return
+
         self.ndb._task = ExtendedLoopingCall(self._step_task)
 
         if self.db._paused_time: