First try. Have to be optimized

glances/plugins/glances_network.py

@@ -227,9 +227,21 @@ class Plugin(GlancesPlugin):
         # Alert
         for i in self.stats:
             ifrealname = i['interface_name'].split(':')[0]
-            # Convert rate in bps ( to be able to compare to interface speed)
+            # Convert rate in bps (to be able to compare to interface speed)
             bps_rx = int(i['rx'] // i['time_since_update'] * 8)
             bps_tx = int(i['tx'] // i['time_since_update'] * 8)
+
+            # Check if the stats should be hidden
+            if bps_rx != 0 or bps_tx != 0:
+                self.views[i[self.get_key(
+                )]]['rx']['_zero'] = self.views[i[self.get_key()]]['rx']['hidden']
+                self.views[i[self.get_key(
+                )]]['tx']['_zero'] = self.views[i[self.get_key()]]['rx']['hidden']
+            self.views[i[self.get_key(
+            )]]['rx']['hidden'] = self.views[i[self.get_key()]]['rx']['_zero'] and bps_rx == 0
+            self.views[i[self.get_key(
+            )]]['tx']['hidden'] = self.views[i[self.get_key()]]['tx']['_zero'] and bps_tx == 0
+
             # Decorate the bitrate with the configuration file thresolds
             alert_rx = self.get_alert(bps_rx, header=ifrealname + '_rx')
             alert_tx = self.get_alert(bps_tx, header=ifrealname + '_tx')
@@ -290,6 +302,10 @@ class Plugin(GlancesPlugin):
             # Do not display interface in down state (issue #765)
             if ('is_up' in i) and (i['is_up'] is False):
                 continue
+            # Hide 0 value (issue #1787)
+            if self.get_views(item=i[self.get_key()], key='rx', option='hidden') and \
+               self.get_views(item=i[self.get_key()], key='tx', option='hidden'):
+                continue
             # Format stats
             # Is there an alias for the interface name ?
             ifrealname = i['interface_name'].split(':')[0]

glances/plugins/glances_plugin.py

@@ -428,10 +428,12 @@ class GlancesPlugin(object):
         The V of MVC
         A dict of dict with the needed information to display the stats.
         Example for the stat xxx:
-        'xxx': {'decoration': 'DEFAULT',
-                'optional': False,
-                'additional': False,
-                'splittable': False}
+        'xxx': {'decoration': 'DEFAULT',  >>> The decoration of the stats
+                'optional': False,        >>> Is the stat optional
+                'additional': False,      >>> Is the stat provide additional information
+                'splittable': False,      >>> Is the stat can be cut (like process lon name)
+                'hidden': False,          >>> Is the stats should be hidden in the UI 
+                '_zero': True}            >>> For internal purpose only
         """
         ret = {}
 
@@ -440,12 +442,15 @@ class GlancesPlugin(object):
                 self.get_key() is not None):
             # Stats are stored in a list of dict (ex: NETWORK, FS...)
             for i in self.get_raw():
+                # i[self.get_key()] is the interface name (example for NETWORK)
                 ret[i[self.get_key()]] = {}
                 for key in listkeys(i):
                     value = {'decoration': 'DEFAULT',
                              'optional': False,
                              'additional': False,
-                             'splittable': False}
+                             'splittable': False,
+                             'hidden': False,
+                             '_zero': self.views[i[self.get_key()]][key]['_zero'] if i[self.get_key()] in self.views and key in self.views[i[self.get_key()]] else True}
                     ret[i[self.get_key()]][key] = value
         elif isinstance(self.get_raw(), dict) and self.get_raw() is not None:
             # Stats are stored in a dict (ex: CPU, LOAD...)
@@ -453,7 +458,9 @@ class GlancesPlugin(object):
                 value = {'decoration': 'DEFAULT',
                          'optional': False,
                          'additional': False,
-                         'splittable': False}
+                         'splittable': False,
+                         'hidden': False,
+                         '_zero': self.views[key]['_zero'] if key in self.views and '_zero' in self.views[key] else True}
                 ret[key] = value
 
         self.views = ret