Add plugin methods to smarthome

bin/smarthome.py

@@ -426,6 +426,15 @@ def return_plugins(self):
         for plugin in self._plugins:
             yield plugin
 
+    def return_plugin(self, name):
+        return self._plugins.get_plugin(name)
+
+    def get_plugin_ident(self, plugin):
+        return self._plugins.get_plugin_ident(plugin)
+
+    def get_plugin_name(self, plugin):
+        return self._plugins.get_plugin_name(plugin)
+
     #################################################################
     # Logic Methods
     #################################################################

lib/plugin.py

@@ -61,6 +61,23 @@ def __iter__(self):
         for plugin in self._plugins:
             yield plugin
 
+    def get_plugin(self, name):
+        for thread in self._threads:
+            if thread.name == name:
+               return thread.plugin
+        return None
+
+    def get_plugin_ident(self, plugin):
+        for thread in self._threads:
+            if thread.plugin == plugin:
+               return thread.ident
+        return None
+
+    def get_plugin_name(self, plugin):
+        for thread in self._threads:
+            if thread.plugin == plugin:
+               return thread.name
+
     def start(self):
         logger.info('Start Plugins')
         for plugin in self._threads:

plugins/sml/README.md

@@ -52,6 +52,37 @@ Description of the attributes:
    * `host` - instead of serial port you can use a network connection
    * `port` - additionally to the host configuration you can specify a port
 
+If you have more then one power meter device or serial device in use,
+please configure this plugin multiple times and restrict the items to
+the different plugin instances using the `plugin` setting:
+
+<pre>
+[sml1]
+  class_name = Sml
+  class_path = plugins.sml
+  serialport = /dev/ttyUSB0
+
+[sml2]
+  class_name = Sml
+  class_path = plugins.sml
+  serialport = /dev/ttyUSB1
+</pre>
+
+<pre>
+[power]
+  [[home]]
+    [[[total]]]
+      type = num
+      plugin = sml1
+      sml_obis = 1-0:1.8.0*255
+  [[pv]]
+    [[[total]]]
+      type = num
+      plugin = sml2
+      sml_obis = 1-0:1.8.0*255
+</pre>
+
+
 ## items.conf
 
 You can assign a value retrieved by the plugin to some of your items

plugins/sml/__init__.py

@@ -21,6 +21,7 @@
 
 import logging
 import time
+import socket
 import re
 import serial
 import threading
@@ -50,7 +51,7 @@ def __init__(self, smarthome, host=None, port=0, serialport=None, cycle=300):
 
     def run(self):
         self.alive = True
-        self._sh.scheduler.add('Sml', self._refresh, cycle=self.cycle)
+        self._sh.scheduler.add('Sml-' + str(self._sh.get_plugin_name(self)), self._refresh, cycle=self.cycle)
 
     def stop(self):
         self.alive = False