From 899cb7bd4505faa7892e35b757fb643abba11c1e Mon Sep 17 00:00:00 2001
From: Grace Guo <grace.guo@airbnb.com>
Date: Tue, 18 Aug 2020 18:10:06 -0700
Subject: [PATCH] refactor: remove slice level label_colors from dashboard init
 load (#10603)

---
 superset/config.py     | 1 +
 superset/views/core.py | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/superset/config.py b/superset/config.py
index b4803e8c8d186..a974f85ac1d05 100644
--- a/superset/config.py
+++ b/superset/config.py
@@ -304,6 +304,7 @@ def _try_json_readsha(  # pylint: disable=unused-argument
     # Exposes API endpoint to compute thumbnails
     "THUMBNAILS": False,
     "REDUCE_DASHBOARD_BOOTSTRAP_PAYLOAD": True,
+    "REMOVE_SLICE_LEVEL_LABEL_COLORS": False,
     "SHARE_QUERIES_VIA_KV_STORE": False,
     "SIP_38_VIZ_REARCHITECTURE": False,
     "TAGGING_SYSTEM": False,
diff --git a/superset/views/core.py b/superset/views/core.py
index 48cd4583d4cb6..cee8a618c83d6 100755
--- a/superset/views/core.py
+++ b/superset/views/core.py
@@ -1652,6 +1652,13 @@ def dashboard(**_: Any) -> None:
         )
 
         dashboard_data = dash.data
+        if is_feature_enabled("REMOVE_SLICE_LEVEL_LABEL_COLORS"):
+            # dashboard metadata has dashboard-level label_colors,
+            # so remove slice-level label_colors from its form_data
+            for slc in dashboard_data.get("slices"):
+                form_data = slc.get("form_data")
+                form_data.pop("label_colors", None)
+
         dashboard_data.update(
             {
                 "standalone_mode": standalone_mode,