Monoprice PR followups

homeassistant/components/monoprice/__init__.py

@@ -1,11 +1,21 @@
 """The Monoprice 6-Zone Amplifier integration."""
 import asyncio
+import logging
+
+from pymonoprice import get_monoprice
+from serial import SerialException
 
 from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import CONF_PORT
 from homeassistant.core import HomeAssistant
+from homeassistant.exceptions import ConfigEntryNotReady
+
+from .const import DOMAIN
 
 PLATFORMS = ["media_player"]
 
+_LOGGER = logging.getLogger(__name__)
+
 
 async def async_setup(hass: HomeAssistant, config: dict):
     """Set up the Monoprice 6-Zone Amplifier component."""
@@ -14,6 +24,15 @@ async def async_setup(hass: HomeAssistant, config: dict):
 
 async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry):
     """Set up Monoprice 6-Zone Amplifier from a config entry."""
+    port = entry.data[CONF_PORT]
+
+    try:
+        monoprice = await hass.async_add_executor_job(get_monoprice, port)
+        hass.data.setdefault(DOMAIN, {})[entry.entry_id] = monoprice
+    except SerialException:
+        _LOGGER.error("Error connecting to Monoprice controller at %s", port)
+        raise ConfigEntryNotReady
+
     for component in PLATFORMS:
         hass.async_create_task(
             hass.config_entries.async_forward_entry_setup(entry, component)

homeassistant/components/monoprice/config_flow.py

@@ -89,7 +89,3 @@ async def async_step_user(self, user_input=None):
 
 class CannotConnect(exceptions.HomeAssistantError):
     """Error to indicate we cannot connect."""
-
-
-class InvalidAuth(exceptions.HomeAssistantError):
-    """Error to indicate there is invalid auth."""

homeassistant/components/monoprice/media_player.py

@@ -1,9 +1,6 @@
 """Support for interfacing with Monoprice 6 zone home audio controller."""
 import logging
 
-from pymonoprice import get_monoprice
-from serial import SerialException
-
 from homeassistant.components.media_player import MediaPlayerDevice
 from homeassistant.components.media_player.const import (
     SUPPORT_SELECT_SOURCE,
@@ -40,28 +37,24 @@ def _get_sources(sources_config):
     return [source_id_name, source_name_id, source_names]
 
 
-async def async_setup_entry(hass, config_entry, async_add_devices):
+async def async_setup_entry(hass, config_entry, async_add_entities):
     """Set up the Monoprice 6-zone amplifier platform."""
-    port = config_entry.data.get(CONF_PORT)
+    port = config_entry.data[CONF_PORT]
 
-    try:
-        monoprice = await hass.async_add_executor_job(get_monoprice, port)
-    except SerialException:
-        _LOGGER.error("Error connecting to Monoprice controller")
-        return
+    monoprice = hass.data[DOMAIN][config_entry.entry_id]
 
     sources = _get_sources(config_entry.data.get(CONF_SOURCES))
 
-    devices = []
+    entities = []
     for i in range(1, 4):
         for j in range(1, 7):
             zone_id = (i * 10) + j
             _LOGGER.info("Adding zone %d for port %s", zone_id, port)
-            devices.append(
+            entities.append(
                 MonopriceZone(monoprice, sources, config_entry.entry_id, zone_id)
             )
 
-    async_add_devices(devices, True)
+    async_add_entities(entities, True)
 
     platform = entity_platform.current_platform.get()
 

tests/components/monoprice/test_media_player.py

@@ -94,8 +94,7 @@ async def test_cannot_connect(hass):
     """Test connection error."""
 
     with patch(
-        "homeassistant.components.monoprice.media_player.get_monoprice",
-        side_effect=SerialException,
+        "homeassistant.components.monoprice.get_monoprice", side_effect=SerialException,
     ):
         config_entry = MockConfigEntry(domain=DOMAIN, data=MOCK_CONFIG)
         config_entry.add_to_hass(hass)
@@ -108,8 +107,7 @@ async def test_cannot_connect(hass):
 
 async def _setup_monoprice(hass, monoprice):
     with patch(
-        "homeassistant.components.monoprice.media_player.get_monoprice",
-        new=lambda *a: monoprice,
+        "homeassistant.components.monoprice.get_monoprice", new=lambda *a: monoprice,
     ):
         config_entry = MockConfigEntry(domain=DOMAIN, data=MOCK_CONFIG)
         config_entry.add_to_hass(hass)