Sort lists in place when possible

glances/core/glances_processes.py

@@ -704,21 +704,16 @@ class GlancesProcesses(object):
             # Sum of io_r + io_w
             try:
                 # Sort process by IO rate (sum IO read + IO write)
-                listsorted = sorted(self.processlist,
-                                    key=lambda process: process[sortedby][0] -
-                                    process[sortedby][2] + process[sortedby][1] -
-                                    process[sortedby][3],
-                                    reverse=sortedreverse)
+                self.processlist.sort(key=lambda process: process[sortedby][0] -
+                                      process[sortedby][2] + process[sortedby][1] -
+                                      process[sortedby][3],
+                                      reverse=sortedreverse)
             except Exception:
-                listsorted = sorted(self.processlist,
-                                    key=lambda process: process['cpu_percent'],
-                                    reverse=sortedreverse)
+                self.processlist.sort(key=lambda process: process['cpu_percent'],
+                                      reverse=sortedreverse)
         else:
             # Others sorts
-            listsorted = sorted(self.processlist,
-                                key=lambda process: process[sortedby],
-                                reverse=sortedreverse)
-
-        self.processlist = listsorted
+            self.processlist.sort(key=lambda process: process[sortedby],
+                                  reverse=sortedreverse)
 
         return self.processlist

glances/outputs/glances_history.py

@@ -140,8 +140,8 @@ class GlancesHistory(object):
                     # Find if anothers key ends with the key
                     # Ex: key='tx' => 'ethernet_tx'
                     # Add one curve per chart
-                    stats_history_filtered = sorted(
-                        [key for key in h.keys() if key.endswith('_' + i['name'])])
+                    stats_history_filtered = [key for key in h.keys() if key.endswith('_' + i['name'])]
+                    stats_history_filtered.sort()
                     logger.debug("Generate graphs: %s %s" %
                                  (p, stats_history_filtered))
                     if len(stats_history_filtered) > 0:

glances/plugins/glances_processlist.py

@@ -427,30 +427,23 @@ class Plugin(GlancesPlugin):
             # Sum of io_r + io_w
             try:
                 # Sort process by IO rate (sum IO read + IO write)
-                listsorted = sorted(self.stats,
-                                    key=lambda process: process[sortedby][0] -
-                                    process[sortedby][2] + process[sortedby][1] -
-                                    process[sortedby][3],
-                                    reverse=sortedreverse)
+                self.stats.sort(key=lambda process: process[sortedby][0] -
+                                process[sortedby][2] + process[sortedby][1] -
+                                process[sortedby][3],
+                                reverse=sortedreverse)
             except Exception:
-                listsorted = sorted(self.stats,
-                                    key=lambda process: process['cpu_percent'],
-                                    reverse=sortedreverse)
+                self.stats.sort(key=lambda process: process['cpu_percent'],
+                                reverse=sortedreverse)
         else:
             # Others sorts
             if tree:
                 self.stats.set_sorting(sortedby, sortedreverse)
             else:
                 try:
-                    listsorted = sorted(self.stats,
-                                        key=lambda process: process[sortedby],
-                                        reverse=sortedreverse)
+                    self.stats.sort(key=lambda process: process[sortedby],
+                                    reverse=sortedreverse)
                 except (KeyError, TypeError):
-                    listsorted = sorted(self.stats,
-                                        key=lambda process: process['name'],
-                                        reverse=False)
-
-        if not tree:
-            self.stats = listsorted
+                    self.stats.sort(key=lambda process: process['name'],
+                                    reverse=False)
 
         return self.stats