Add has_scale_keys property to PsaReader

Author: cmbasnett

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "psk_psa_py"
-version = "0.0.3"
+version = "0.0.4"
 authors = [
     { name="Colin Basnett", email="cmbasnett@proton.me" }
 ]

src/psk_psa_py/psa/reader.py

@@ -84,6 +84,10 @@ def bones(self):
     def sequences(self):
         return self._psa.sequences
 
+    @property
+    def has_scale_keys(self) -> bool:
+        return self._scale_keys_data_offset is not None
+
     def read_sequence_keys(self, sequence_name: str) -> list[Psa.Key]:
         """
         Reads and returns the key data for a sequence.