Compatibility with Plotly 6.0 (#7681)

panel/pane/plotly.py

@@ -250,28 +250,34 @@ def _update_data_sources(self, cds, trace):
         return update_sources
 
     @staticmethod
-    def _plotly_json_wrapper(fig):
+    def _convert_trace(trace):
+        trace = dict(trace)
+        for key in trace:
+            if not isdatetime(trace[key]):
+                continue
+            arr = trace[key]
+            if isinstance(arr, np.ndarray):
+                arr = arr.astype(str)
+            elif isinstance(arr, datetime_types):
+                arr = str(arr)
+            else:
+                arr = [str(v) for v in arr]
+            trace[key] = arr
+        return trace
+
+    @classmethod
+    def _plotly_json_wrapper(cls, fig):
         """Wraps around to_plotly_json and applies necessary fixes.
 
         For #382: Map datetime elements to strings.
         """
-        json = fig.to_plotly_json()
-        layout = json['layout']
-        data = json['data']
-        shapes = layout.get('shapes', [])
-        for trace in data+shapes:
-            for key in trace:
-                if not isdatetime(trace[key]):
-                    continue
-                arr = trace[key]
-                if isinstance(arr, np.ndarray):
-                    arr = arr.astype(str)
-                elif isinstance(arr, datetime_types):
-                    arr = str(arr)
-                else:
-                    arr = [str(v) for v in arr]
-                trace[key] = arr
-        return json
+        layout = dict(fig._layout)
+        data = [cls._convert_trace(trace) for trace in fig._data]
+        if 'shapes' in layout:
+            layout['shapes'] = [
+                cls._convert_trace(shape) for shape in layout['shapes']
+            ]
+        return {'data': data, 'layout': layout}
 
     def _init_params(self):
         viewport_params = [p for p in self.param if 'viewport' in p]

panel/tests/pane/test_plotly.py

@@ -191,11 +191,11 @@ def test_plotly_autosize(document, comm):
 @plotly_available
 def test_clean_relayout_data():
     relayout_data = {
-        "mapbox.center": {"lon": -73.59183434290809, "lat": 45.52341668343991},
-        "mapbox.zoom": 10,
-        "mapbox.bearing": 0,
-        "mapbox.pitch": 0,
-        "mapbox._derived": {
+        "map.center": {"lon": -73.59183434290809, "lat": 45.52341668343991},
+        "map.zoom": 10,
+        "map.bearing": 0,
+        "map.pitch": 0,
+        "map._derived": {
             "coordinates": [
                 [-73.92279747767401, 45.597934047192865],
                 [-73.26087120814279, 45.597934047192865],
@@ -206,10 +206,10 @@ def test_clean_relayout_data():
     }
     result = Plotly._clean_relayout_data(relayout_data)
     assert result == {
-        "mapbox.center": {"lon": -73.59183434290809, "lat": 45.52341668343991},
-        "mapbox.zoom": 10,
-        "mapbox.bearing": 0,
-        "mapbox.pitch": 0,
+        "map.center": {"lon": -73.59183434290809, "lat": 45.52341668343991},
+        "map.zoom": 10,
+        "map.bearing": 0,
+        "map.pitch": 0,
     }
 
 
@@ -276,7 +276,7 @@ def test_plotly_datetime_converted_2d_array(document, comm):
         'longitude': np.cumsum(np.random.randn(n_points) * 0.01) + 4.8952,  # Centered around Amsterdam
     })
 
-    fig = px.scatter_mapbox(data, lon='longitude', lat='latitude', custom_data='timestamp')
+    fig = px.scatter_map(data, lon='longitude', lat='latitude', custom_data='timestamp')
 
     p = Plotly(fig)
 

pyproject.toml

@@ -228,6 +228,8 @@ filterwarnings = [
     # 2024-11
     "ignore:websockets.legacy is deprecated:DeprecationWarning", # https://github.com/encode/uvicorn/issues/1908
     "ignore:websockets.server.WebSocketServerProtocol is deprecated:DeprecationWarning", # https://github.com/encode/uvicorn/issues/1908
+    # 2025-01 `plotly` 6.0 triggers warnings
+    "ignore:\\*scattermapbox\\* is deprecated! Use \\*scattermap\\* instead" # https://github.com/plotly/plotly.py/issues/4997
 ]
 
 [tool.mypy]