Add another debug utility to check a specific config.

match_against.py - matches the given config against some dps, reporting
the matches and any mismatches.
Can be used to determine why a config does not match the expected data.

util/match_against.py

@@ -0,0 +1,47 @@
+"""Find matching devices for the supplied dp list"""
+import sys
+import json
+
+from custom_components.tuya_local.helpers.device_config import (
+    TuyaDeviceConfig,
+    _typematch,
+)
+
+
+class FakeDevice:
+    def __init__(self, dps):
+        self._dps = dps
+
+    def get_property(self, id):
+        return self._dps.get(id)
+
+
+def main() -> int:
+    dps = json.loads(" ".join(sys.argv[2:]))
+    device = FakeDevice(dps)
+    config = TuyaDeviceConfig(sys.argv[1])
+    print(f"{config.primary_entity.config_id}:")
+    for dp in config.primary_entity.dps():
+        if dp.id not in dps.keys():
+            print(f"    {dp.name} missing from data")
+        elif not _typematch(dp.type, dps.get(dp.id)):
+            print(
+                f"    {dp.name} type mismatch, expected {dp.type.__name__}, got {dps.get(dp.id)}"
+            )
+        else:
+            print(f"   {dp.name}: {dp.get_value(device)}")
+    for entity in config.secondary_entities():
+        print(f"{entity.config_id}:")
+        for dp in entity.dps():
+            if dp.id not in dps.keys():
+                print(f"    {dp.name} missing from data")
+            elif not _typematch(dp.type, dps.get(dp.id)):
+                print(
+                    f"    {dp.name} type mismatch, expected {dp.type.__name__}, got {dps.get(dp.id)}"
+                )
+            else:
+                print(f"    {dp.name}: {dp.get_value(device)}")
+
+
+if __name__ == "__main__":
+    sys.exit(main())