Little hack for a PsUtil issue #152

glances/glances.py

@@ -747,11 +747,16 @@ class GlancesStats:
                         'cached': cached}
 
             # Swap
-            virtmem = psutil.swap_memory()
-            self.memswap = {'total': virtmem.total,
-                            'used': virtmem.used,
-                            'free': virtmem.free,
-                            'percent': virtmem.percent}
+            # try... is an hack for issue #152
+            try:
+                virtmem = psutil.swap_memory()
+            except:
+                self.memswap = {}
+            else:
+                self.memswap = {'total': virtmem.total,
+                                'used': virtmem.used,
+                                'free': virtmem.free,
+                                'percent': virtmem.percent}
         else:
             # psutil < 0.6
             # RAM
@@ -1709,7 +1714,7 @@ class glancesScreen:
 
     def displayMem(self, mem, memswap, proclist, offset_x=0):
         # Memory
-        if not mem or not memswap:
+        if not mem:
             return 0
         screen_x = self.screen.getmaxyx()[1]
         screen_y = self.screen.getmaxyx()[0]
@@ -1806,6 +1811,9 @@ class glancesScreen:
                 # If space is NOT available then mind the gap...
                 offset_x -= extblocksize
 
+            if not memswap:
+                return 0
+
             # Swap
             self.term_window.addnstr(self.mem_y,
                                      self.mem_x + offset_x + 32, _("Swap"), 4,

glances/unitest.py

@@ -25,6 +25,9 @@
 
 import unittest
 import multiprocessing
+import os
+import signal
+import time
 import glances
 
 
@@ -115,6 +118,5 @@ class TestGlancesStat(unittest.TestCase):
         self.assertTrue(type(sensors) == list)        
         #~ self.assertTrue(len(sensors) > 0)
 
-
 if __name__ == '__main__':
     unittest.main()