updates DataFrame._repr_html_ to return None in Anywidget display mode. This forces IPython environments to use _repr_mimebundle_ for rendering, enabling rich interactive Anywidget displays for DataFrames in notebooks.

Author: shuoweil

bigframes/dataframe.py

@@ -55,7 +55,6 @@
 import pyarrow
 import tabulate
 
-import bigframes
 import bigframes._config.display_options as display_options
 import bigframes.constants
 import bigframes.core
@@ -947,6 +946,17 @@ def _repr_mimebundle_(self, include=None, exclude=None):
 
         return {"text/html": html_string, "text/plain": text_representation}
 
+    def _repr_html_(self):
+        """
+        Renders the DataFrame as HTML.
+        This method is used by IPython to display the DataFrame.
+        """
+        # If in anywidget mode, return None to defer to _repr_mimebundle_
+        # which will provide the richer anywidget representation.
+        if bigframes.options.display.repr_mode == "anywidget":
+            return None
+        return self._repr_mimebundle_()["text/html"]
+
     def _create_html_representation(
         self,
         pandas_df: pandas.DataFrame,