bitbake: toaster: Display task description

Display task description as content of help bubble for a task.

[YOCTO #5748]

(Bitbake rev: 4ffc380d11cff4e1d32d2bf5fb6c7cda6f7e22e6)

Signed-off-by: Ravi Chintakunta <ravi.chintakunta@timesys.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/toaster/orm/models.py

@@ -174,6 +174,13 @@ class Task(models.Model):
             return "Executed"
         return "Not Executed"
 
+    def get_description(self):
+        variable = Variable.objects.filter(variable_name=self.task_name, build = self.build)
+        try:
+            return variable[0].description
+        except IndexError:
+            return ''
+
     build = models.ForeignKey(Build, related_name='task_build')
     order = models.IntegerField(null=True)
     task_executed = models.BooleanField(default=False) # True means Executed, False means Not/Executed