feat: add support for automatic registration of Polars DataFrame in SessionContext

Author: kosiew

python/datafusion/context.py

@@ -801,6 +801,13 @@ def _register_python_object(self, name: str, obj: Any) -> bool:
             self.register_view(name, obj)
             return True
 
+        if (
+            obj.__class__.__module__.startswith("polars.")
+            and obj.__class__.__name__ == "DataFrame"
+        ):
+            self.from_polars(obj, name=name)
+            return True
+
         if (
             obj.__class__.__module__.startswith("pandas.")
             and obj.__class__.__name__ == "DataFrame"