chore: import upstream snapshot with attribution

python/ray/data/_internal/row.py

@@ -0,0 +1,19 @@
+from collections.abc import Mapping
+
+
+def row_str(row: Mapping) -> str:
+    """Convert a row to string representation."""
+    return str(row.as_pydict())
+
+
+def row_repr(row: Mapping) -> str:
+    """Convert a row to repr representation."""
+    return str(row)
+
+
+def row_repr_pretty(row: Mapping, p, cycle):
+    """Pretty print a row."""
+    from IPython.lib.pretty import _dict_pprinter_factory
+
+    pprinter = _dict_pprinter_factory("{", "}")
+    return pprinter(row, p, cycle)