Add method of backdrop

main.py

@@ -1133,15 +1133,18 @@ async def fastapi_delete_label(network: str, req: Request) -> ChangeSet:
 ############################################################
 # backdrop 27.[BACKDROP]
 ############################################################
+@app.get('/getbackdropschema/')
+async def fastapi_get_backdrop_schema(network: str) -> dict[str, dict[str, Any]]:
+    return get_backdrop_schema(network)
 
-def get_backdrop_schema(name: str) -> dict[str, dict[str, Any]]:
-    return api.get_backdrop_schema(name)
+@app.get('/getbackdropproperties/')
+async def fastapi_get_backdrop(network: str) -> dict[str, Any]:
+    return get_backdrop(network)
 
-def get_backdrop(name: str) -> dict[str, Any]:
-    return api.get_backdrop(name)
-
-def set_backdrop(name: str, cs: ChangeSet) -> ChangeSet:
-    return api.set_backdrop(name, cs)
+@app.post('/setbackdropproperties/')
+async def fastapi_set_backdrop(network: str, req: Request) -> ChangeSet:
+    props = await req.json()
+    return set_backdrop(network, ChangeSet(props))
 
 
 # inp file