New syntax to access to the key

docs/quickstart.rst

@@ -28,18 +28,13 @@ It is also possible to display RAW JSON stats directly to stdout using:
 
 .. code-block:: console
 
-    $ glances --stdout cpu.user,mem.used,load,processlist.pid=456.name,processlist.pid=456.cpu_percent
-    cpu.user: 30.7
-    mem.used: 3278204928
-    load: {'cpucore': 4, 'min1': 0.21, 'min5': 0.4, 'min15': 0.27}
-    processlist.pid=456.name: terminator
-    processlist.pid=456.cpu_percent: 2.2
-    cpu.user: 3.4
-    mem.used: 3275251712
-    load: {'cpucore': 4, 'min1': 0.19, 'min5': 0.39, 'min15': 0.27}
-    processlist.pid=456.name: terminator
-    processlist.pid=456.cpu_percent: 2.6
-    ...
+    $ glances --stdout load,cpu.user,mem.used,network:lo,processlist:456.cpu_percent
+
+Syntax (comma separated stats):
+    - <plugin>
+    - <plugin>.<attribute>
+    - <plugin>:<key value>
+    - <plugin>:<key value>.attribute
 
 or in a CSV format thanks to the stdout-csv option:
 

glances/compat.py

@@ -268,7 +268,47 @@ def is_admin():
 
 def get_stat_from_path(stats, stat_path):
     """
-    For a path ['cpu, 'user'] or ['processlist', 'pid:534', 'name]
+    For a path ['cpu, 'user'] or ['network'] or ['processlist:6174', 'name']
+    Get the value in the stats.
+    """
+    ret = dict()
+    if ':' in stat_path[0]:
+        plugin, match = stat_path[0].split(':')
+    else:
+        plugin = stat_path[0]
+        match = None
+    attributes = stat_path[1:]
+
+    if plugin in stats.getPluginsList() and \
+        stats.get_plugin(plugin).is_enable():
+        # Get the stat
+        stat_export = stats.get_plugin(plugin).get_export()
+        if isinstance(stat_export, dict):
+            if len(attributes) > 0 and attributes[0] in stat_export:
+                ret['{}.{}'.format(plugin, attributes[0])] = stat_export[attributes[0]]
+            else:
+                for k, v in iteritems(stat_export):
+                    ret['{}.{}'.format(plugin, k)] = v
+        elif isinstance(stat_export, list):
+            for i in stat_export:
+                if isinstance(i, dict) and 'key' in i and (not match or (match and str(i[i['key']]) == match)):
+                    if len(attributes) > 0 and attributes[0] in i:
+                        ret['{}.{}.{}'.format(plugin, i[i['key']], attributes[0])] = i[attributes[0]]
+                    else:
+                        for k, v in iteritems(i):
+                            ret['{}.{}.{}'.format(plugin, i[i['key']], k)] = v
+        else:
+            ret[plugin] = stat_export
+    else:
+        logger.error('Plugin {} does not exist or is disabled'.format(plugin))
+
+    return ret
+    
+
+
+def get_stat_from_path_old(stats, stat_path):
+    """
+    For a path ['cpu, 'user'] or ['processlist', 'pid=534', 'name']
     Get the value in the stats.
     """
     ret = None

glances/outputs/glances_stdout.py

@@ -22,7 +22,7 @@
 import time
 
 from glances.logger import logger
-from glances.compat import printandflush, get_stat_from_path
+from glances.compat import printandflush, get_stat_from_path, iteritems
 
 
 class GlancesStdout(object):
@@ -40,6 +40,16 @@ class GlancesStdout(object):
         pass
 
     def update(self, stats, duration=3):
+        for stat_name in self.args.stdout.split(','):
+            stat_path = stat_name.split('.')
+            stat_flatten = get_stat_from_path(stats, stat_path)
+            for k, v in iteritems(stat_flatten):
+                printandflush("{}: {}".format(k, v))
+        # Wait until next refresh
+        if duration > 0:
+            time.sleep(duration)
+
+    def update_old(self, stats, duration=3):
         for stat_name in self.args.stdout.split(','):
             stat_path = stat_name.split('.')
             plugin = stat_path[0]

glances/processes.py

@@ -340,6 +340,9 @@ class GlancesProcesses(object):
             first = False
             # /End of extended stats
 
+            # Add key
+            proc['key'] = 'pid'
+
             # Time since last update (for disk_io rate computation)
             proc['time_since_update'] = time_since_update