etr2460 commented on a change in pull request #9311: [cache warm_up] warm_up 
slice with dashboard default_filters
URL: 
https://github.com/apache/incubator-superset/pull/9311#discussion_r394057964
 
 

 ##########
 File path: superset/views/utils.py
 ##########
 @@ -262,3 +263,88 @@ def get_time_range_endpoints(
         return (TimeRangeEndpoint(start), TimeRangeEndpoint(end))
 
     return (TimeRangeEndpoint.INCLUSIVE, TimeRangeEndpoint.EXCLUSIVE)
+
+
+# see all dashboard components type in
+# /superset-frontend/src/dashboard/util/componentTypes.js
+CONTAINER_TYPES = ["COLUMN", "GRID", "TABS", "TAB", "ROW"]
+
+
+def get_dashboard_extra_filters(
+    slice_id: int, dashboard_id: int
+) -> List[Dict[str, Any]]:
+    session = db.session()
+    dashboard = 
session.query(Dashboard).filter_by(id=dashboard_id).one_or_none()
+
+    # is chart in this dashboard?
+    if (
+        dashboard is None
+        or not dashboard.json_metadata
+        or not dashboard.slices
+        or slice_id not in [slc.id for slc in dashboard.slices]
+    ):
+        return []
+
+    try:
+        # does this dashboard have default filters?
+        json_metadata = json.loads(dashboard.json_metadata)
+        default_filters = json.loads(json_metadata.get("default_filters", 
"null"))
+        if not default_filters:
+            return []
+
+        # are default filters applicable to the given slice?
+        filter_scopes = json_metadata.get("filter_scopes", {})
+        layout = json.loads(dashboard.position_json or "{}")
+
+        return build_extra_filters(layout, filter_scopes, default_filters, 
slice_id)
+    except json.JSONDecodeError:
+        return []
+
+
+def build_extra_filters(
+    layout: Dict,
+    filter_scopes: Dict,
+    default_filters: Dict[str, Dict[str, List]],
+    slice_id: int,
+) -> List[Dict[str, Any]]:
 
 Review comment:
   The typecheck here isn't quite right because you've already assumed the type 
is correct in the function statement. I'd recommend moving the type check into 
the parent function so that the types are correct here

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