From edc6d423ec1cb01b1577cd64a35cf8915c7eaf7b Mon Sep 17 00:00:00 2001
From: "WQY\\qiong" <qiongyu.wang@outlook.com>
Date: Sat, 4 Feb 2023 14:44:32 +0800
Subject: [PATCH] Get source guard

---
 api/s18_sources.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/api/s18_sources.py b/api/s18_sources.py
index 7730916..1baeab8 100644
--- a/api/s18_sources.py
+++ b/api/s18_sources.py
@@ -14,7 +14,9 @@ def get_source_schema(name: str) -> dict[str, dict[str, Any]]:
 
 
 def get_source(name: str, node: str) -> dict[str, Any]:
-    s = read(name, f"select * from sources where node = '{node}'")
+    s = try_read(name, f"select * from sources where node = '{node}'")
+    if s == None:
+        return {}
     d = {}
     d['node'] = str(s['node'])
     d['s_type'] = str(s['type'])