power: Add HomeSeer control

Signed-off-by: Mark Dietzer <git@doridian.net>

docs/configuration.md

@@ -191,7 +191,8 @@ and Tasmota (via http) devices are supported.
 
 [power device_name]
 type: gpio
-#   The type of device.  Can be either gpio, tplink_smartplug or tasmota.
+#   The type of device.  Can be either gpio, tplink_smartplug, tasmota
+#   or homeseer.
 #   This parameter must be provided.
 off_when_shutdown: False
 #   If set to True the device will be powered off when Klipper enters
@@ -248,7 +249,19 @@ output_id:
 #   If password is set but user is empty the default user "admin" will be used
 #   Provided an output_id (relay id) if the Shelly device supports
 #   more than one (default is 0).
-
+address:
+device:
+user:
+password:
+#   The above options are used for "homeseer" devices.  The
+#   address should be a valid ip or hostname for the homeseer controller.
+#   "device" should be the ID of the device to control.
+#   To find out the ID, in the HomeSeer UI, click on the device you want to
+#   control (Make sure to click the sub-device that actually has On/Off
+#   buttons).  And then go to the "status/graphics" tab and it should list
+#   "ID" in the "advanced information" section.
+#   Provide a user and password with access to "device control"
+#   and at least the specific device you want to control
 
 ```
 Below are some potential examples:

moonraker/plugins/power.py

@@ -36,6 +36,8 @@ class PrinterPower:
                     dev = Tasmota(cfg)
                 elif dev_type == "shelly":
                     dev = Shelly(cfg)
+                elif dev_type == "homeseer":
+                    dev =  HomeSeer(cfg)
                 else:
                     raise config.error(f"Unsupported Device Type: {dev_type}")
                 self.devices[dev.get_name()] = dev
@@ -522,6 +524,65 @@ class Shelly(PowerDevice):
             raise self.server.error(msg) from None
         self.state = "on" if state else "off"
 
+class HomeSeer(PowerDevice):
+    def __init__(self, config):
+        super().__init__(config)
+        self.server = config.get_server()
+        self.addr = config.get("address")
+        self.device = config.getint("device")
+        self.user = config.get("user", "admin")
+        self.password = config.get("password", "")
+
+    async def _send_homeseer(self, request, additional = ""):
+        url = (f"http://{self.user}:{self.password}@{self.addr}"
+               f"/JSON?user={self.user}&pass={self.password}"
+               f"&request={request}&ref={self.device}&{additional}")
+        data = ""
+        http_client = AsyncHTTPClient()
+        try:
+            response = await http_client.fetch(url)
+            data = json_decode(response.body)
+        except Exception:
+            msg = f"Error sending HomeSeer command: {request}"
+            logging.exception(msg)
+            raise self.server.error(msg)
+        return data
+
+    async def initialize(self):
+        await self.refresh_status()
+
+    def get_device_info(self):
+        return {
+            **super().get_device_info(),
+            'type': "homeseer"
+        }
+
+    async def refresh_status(self):
+        try:
+            res = await self._send_homeseer("getstatus")
+            state = res[f"Devices"][0]["status"].lower()
+        except Exception:
+            self.state = "error"
+            msg = f"Error Refeshing Device Status: {self.name}"
+            logging.exception(msg)
+            raise self.server.error(msg) from None
+        self.state = state
+
+    async def set_power(self, state):
+        try:
+            if state == "on":
+                state_hs = "On"
+            elif state == "off":
+                state_hs = "Off"
+            res = await self._send_homeseer("controldevicebylabel",
+                                            f"label={state_hs}")
+        except Exception:
+            self.state = "error"
+            msg = f"Error Setting Device Status: {self.name} to {state}"
+            logging.exception(msg)
+            raise self.server.error(msg) from None
+        self.state = state
+
 # The power plugin has multiple configuration sections
 def load_plugin_multi(config):
     return PrinterPower(config)