Churn json output is working

scripts/snapshot-summary.py

@@ -0,0 +1,28 @@
+import plotly.express as px
+import sys, json
+
+snapshot_data = json.load(sys.stdin)
+
+# XXX: parameterize to use block count as value instead of byte size
+# XXX: parameterize on different types of px chart types
+# XXX: parameterize on output port so we can serve this from infra
+
+parents = []
+names = []
+values = []
+
+for key in snapshot_data:
+    path = key.split('/')
+    name = path[len(path) - 1]
+    parent = path[len(path) - 2]
+    stats = snapshot_data[key]
+    parents.append(parent)
+    names.append(name)
+    values.append(stats['Size'])
+
+data = dict(names=names, parents=parents, values=values)
+print(data)
+fig = px.treemap(data, names='names', parents='parents', values='values')
+print(fig)
+fig.show()
+