Serialize list of data in Vega spec (#873)

holoviz · Dec 16, 2019 · 6b9dd1b · 6b9dd1b
1 parent a331d61
commit 6b9dd1b
Showing 1 changed file with 14 additions and 4 deletions.
diff --git a/panel/pane/vega.py b/panel/pane/vega.py
@@ -62,7 +62,11 @@ def _to_json(cls, obj):
         if isinstance(obj, dict):
             json = dict(obj)
             if 'data' in json:
-                json['data'] = dict(json['data'])
+                data = json['data']
+                if isinstance(data, dict):
+                    json['data'] = dict(data)
+                elif isinstance(data, list):
+                    json['data'] = [dict(d) for d in data]
             return json
         return obj.to_dict()
 
@@ -83,9 +87,15 @@ def _get_sources(self, json, sources):
                 sources[name] = ColumnDataSource(data=data)
             else:
                 sources[name] = ColumnDataSource(data=ds_as_cds(data))
-        data = json.get('data', {}).pop('values', {})
-        if data:
-            sources['data'] = ColumnDataSource(data=ds_as_cds(data))
+        data = json.get('data', {})
+        if isinstance(data, dict):
+            data = data.pop('values', {})
+            if data:
+                sources['data'] = ColumnDataSource(data=ds_as_cds(data))
+        elif isinstance(data, list):
+            for d in data:
+                sources[d['name']] = ColumnDataSource(data=ds_as_cds(d['values']))
+
 
 
     @classmethod