Caching switch.tplink devices and supporting lookup by alias

platypush/backend/http/static/js/switch.tplink.js

@@ -50,11 +50,12 @@ $(document).ready(function() {
         $tplinkContainer.on('click touch', '.switch-ctrl-container', function() {
             var $input = $(this).find('.switch-ctrl');
             var devAddr = $input.data('name');
+            var action = $input.prop('checked') ? 'off' : 'on';
 
             execute(
                 {
                     type: 'request',
-                    action: 'switch.tplink.toggle',
+                    action: 'switch.tplink.' + action,
                     args: { device: devAddr }
                 },
 

platypush/plugins/switch/tplink.py

@@ -14,8 +14,37 @@ class SwitchTplinkPlugin(SwitchPlugin):
         * **pyHS100** (``pip install pyHS100``)
     """
 
+    _ip_to_dev = {}
+    _alias_to_dev = {}
+
+
     def _scan(self):
-        return Discover.discover()
+        devices = Discover.discover()
+        self._ip_to_dev = {}
+        self._alias_to_dev = {}
+
+
+        for (ip, dev) in devices.items():
+            self._ip_to_dev[ip] = dev
+            self._alias_to_dev[dev.alias] = dev
+
+        return devices
+
+    def _get_device(self, device, use_cache=True):
+        if not use_cache:
+            self._scan()
+
+        if device in self._ip_to_dev:
+            return self._ip_to_dev[device]
+
+        if device in self._alias_to_dev:
+            return self._alias_to_dev[device]
+
+        if use_cache:
+            return self._get_device(device, use_cache=False)
+        else:
+            raise RuntimeError('Device {} not found'.format(device))
+
 
     def status(self):
         """
@@ -38,15 +67,12 @@ class SwitchTplinkPlugin(SwitchPlugin):
         """
         Turn on a device
 
-        :param device: Device IP or hostname
+        :param device: Device IP, hostname or alias
         :type device: str
         """
 
-        devices = self._scan()
+        device = self._get_device(device)
-        if device not in devices:
+        device.turn_on()
-            raise RuntimeError('Device {} not found'.format(device))
-
-        devices[device].turn_on()
         return Response(output={'status':'on'})
 
 
@@ -54,15 +80,12 @@ class SwitchTplinkPlugin(SwitchPlugin):
         """
         Turn off a device
 
-        :param device: Device IP or hostname
+        :param device: Device IP, hostname or alias
         :type device: str
         """
 
-        devices = self._scan()
+        device = self._get_device(device)
-        if device not in devices:
+        device.turn_off()
-            raise RuntimeError('Device {} not found'.format(device))
-
-        devices[device].turn_off()
         return Response(output={'status':'off'})
 
 
@@ -70,23 +93,18 @@ class SwitchTplinkPlugin(SwitchPlugin):
         """
         Toggle the state of a device (on/off)
 
-        :param device: Device IP or hostname
+        :param device: Device IP, hostname or alias
         :type device: str
         """
 
-        devices = self._scan()
+        device = self._get_device(device, use_cache=False)
-        if device not in devices:
-            raise RuntimeError('Device {} not found'.format(device))
 
-        dev = devices[device]
+        if device.is_on:
-        is_on = dev.is_on
+            device.turn_off()
-
-        if is_on:
-            dev.turn_off()
         else:
-            dev.turn_on()
+            device.turn_on()
 
-        return Response(output={'status': 'off' if is_on else 'on'})
+        return Response(output={'status': 'off' if device.is_off else 'on'})
 
 
 # vim:sw=4:ts=4:et: