First commit

custom_components/daily/helpers.py

@@ -0,0 +1,35 @@
+from homeassistant.const import STATE_UNAVAILABLE, STATE_UNKNOWN
+from homeassistant.core import _LOGGER
+
+
+def is_number(s):
+    if s:
+        try:
+            float(s)
+            return True
+        except ValueError:
+            return False
+    return False
+
+
+def parse_sensor_state(state):
+    if not state:
+        return STATE_UNKNOWN
+    if is_number(state.state):
+        return state.state
+    if not state or not state.state or state.state == STATE_UNAVAILABLE:
+        return STATE_UNAVAILABLE
+    return STATE_UNKNOWN
+
+
+def convert_to_float(float_value):
+    """Convert to Float."""
+    try:
+        return float(float_value)
+    except ValueError:
+        _LOGGER.error(
+            "unable to convert {} to float. Please check the source sensor is available.".format(
+                float_value
+            )
+        )
+        raise ValueError