Add support for NumPy arrays to the Utf8 datatype arrow serializer

Author: abey79

rerun_py/rerun_sdk/rerun/datatypes/utf8.py

@@ -0,0 +1,24 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Sequence
+
+import numpy as np
+import pyarrow as pa
+
+if TYPE_CHECKING:
+    from . import Utf8ArrayLike
+
+
+class Utf8Ext:
+    @staticmethod
+    def native_to_pa_array_override(data: Utf8ArrayLike, data_type: pa.DataType) -> pa.Array:
+        if isinstance(data, str):
+            array = [data]
+        elif isinstance(data, Sequence):
+            array = [str(datum) for datum in data]
+        elif isinstance(data, np.ndarray):
+            array = data
+        else:
+            array = [str(data)]
+
+        return pa.array(array, type=data_type)