Fix for gaps in segments causing unfilled pie chart plots

gwsumm/plot/segments.py

@@ -1029,13 +1029,31 @@ def draw(self, outputfile=None):
             data.append(float(abs(segs.active)))
 
         # handle missing or future data
+        # TODO: There is something messed up about "labels" and
+        #       "label" that should be cleaned up
         total = float(sum(data))
-        if future or (total < alltime):
-            data.append(alltime - total)
+        current_alltime = globalv.NOW - self.span[0]
+        future_time = self.span[1] - globalv.NOW  # <0 if runtime is after span
+        if ((future_time > 0 and total < current_alltime) or
+                (future_time <= 0 and total < alltime)):
+            if future_time > 0 and total < current_alltime:
+                data.append(current_alltime - total)
+            else:
+                data.append(alltime - total)
+            if 'labels' in plotargs:
+                plotargs['labels'] = list(plotargs['labels']).extend('Missing')
+            elif 'label' in plotargs:
+                plotargs['label'] = list(plotargs['label']).extend('Missing')
+            if 'colors' in plotargs:
+                plotargs['colors'] = list(plotargs['colors']).extend('red')
+        if future:
+            data.append(future_time)
             if 'labels' in plotargs:
-                plotargs['labels'] = list(plotargs['labels']) + [' ']
+                plotargs['labels'] = list(plotargs['labels']).extend(' ')
+            elif 'label' in plotargs:
+                plotargs['labels'] = list(plotargs['label']).extend(' ')
             if 'colors' in plotargs:
-                plotargs['colors'] = list(plotargs['colors']) + ['white']
+                plotargs['colors'] = list(plotargs['colors']).extend('white')
 
         # make pie
         labels = plotargs.pop('label')