From dbab3fd1fec981635fe4b1ea61774b1d3a603c69 Mon Sep 17 00:00:00 2001
From: Adrian Sampson <adrian@radbox.org>
Date: Thu, 26 Dec 2019 13:33:25 -0500
Subject: [PATCH] Do not crash on failed speaker volume retrieval

Fixes #63.
---
 wideq/ac.py   |  8 ++++++--
 wideq/core.py | 10 ++++++++++
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/wideq/ac.py b/wideq/ac.py
index e6a2c7e..c2c8848 100644
--- a/wideq/ac.py
+++ b/wideq/ac.py
@@ -3,6 +3,7 @@
 import enum
 
 from .client import Device
+from .core import FailedRequestError
 
 
 class ACVSwingMode(enum.Enum):
@@ -256,8 +257,11 @@ class ACDevice(Device):
     def get_volume(self):
         """Get the speaker volume level."""
 
-        value = self._get_control('SpkVolume')
-        return int(value)
+        try:
+            value = self._get_control('SpkVolume')
+            return int(value)
+        except FailedRequestError:
+            return 0  # Device does not support volume control.
 
     def poll(self):
         """Poll the device's current state.
diff --git a/wideq/core.py b/wideq/core.py
index ef8927e..df31a2c 100644
--- a/wideq/core.py
+++ b/wideq/core.py
@@ -85,6 +85,15 @@ class TokenError(APIError):
         pass
 
 
+class FailedRequestError(APIError):
+    """A failed request typically indicates an unsupported control on a
+    device.
+    """
+
+    def __init__(self):
+        pass
+
+
 class InvalidRequestError(APIError):
     """The server rejected a request as invalid."""
 
@@ -105,6 +114,7 @@ class MonitorError(APIError):
 API_ERRORS = {
     "0102": NotLoggedInError,
     "0106": NotConnectedError,
+    "0100": FailedRequestError,
     9000: InvalidRequestError,  # Surprisingly, an integer (not a string).
 }