From b1f2be4453e6c58f751cfcd58459c28fc7fe6efc Mon Sep 17 00:00:00 2001
From: Tomas Babej <tomasbabej@gmail.com>
Date: Tue, 7 Apr 2015 21:46:41 +0200
Subject: [PATCH] Task: Do not allow starting a Task which has already been
 started

---
 tasklib/task.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tasklib/task.py b/tasklib/task.py
index 1121988..9af111b 100644
--- a/tasklib/task.py
+++ b/tasklib/task.py
@@ -421,6 +421,12 @@ class Task(TaskResource):
         """
         pass
 
+    class ActiveTask(Exception):
+        """
+        Raised when the operation cannot be performed on the active task.
+        """
+        pass
+
     class InactiveTask(Exception):
         """
         Raised when the operation cannot be performed on an inactive task.
@@ -600,6 +606,8 @@ class Task(TaskResource):
             raise Task.CompletedTask("Cannot start a completed task")
         elif self.deleted:
             raise Task.DeletedTask("Deleted task cannot be started")
+        elif self.active:
+            raise Task.ActiveTask("Task is already active")
 
         self.warrior.execute_command([self['uuid'], 'start'])
 
-- 
2.39.2