Add alert on CPU load

i3pystatus/load.py

@@ -11,16 +11,24 @@ class Load(IntervalModule):
     settings = (
         ("format",
          "format string used for output. {avg1}, {avg5} and {avg15} are the load average of the last one, five and fifteen minutes, respectively. {tasks} is the number of tasks (i.e. 1/285, which indiciates that one out of 285 total tasks is runnable)."),
+        ("color", "The text color"),
         ("critical_limit", "Limit under witch one the battery is critical"),
         ("critical_color", "The critical color"),
     )
 
     file = "/proc/loadavg"
+    color = "#ffffff"
+    critical_limit = 1
+    critical_color = "#ff0000"
 
     def run(self):
         with open(self.file, "r") as f:
             avg1, avg5, avg15, tasks, lastpid = f.read().split(" ", 5)
 
+        urgent = float(avg1) > self.critical_limit
+
         self.output = {
             "full_text": self.format.format(avg1=avg1, avg5=avg5, avg15=avg15, tasks=tasks),
+            "urgent": urgent,
+            "color": self.critical_color if urgent else self.color,
         }