From 7f952b04e489a0e9fa032357bd651d9f4579fd59 Mon Sep 17 00:00:00 2001
From: Emanuele Laface <ema@morla.esss.lu.se>
Date: Tue, 11 Feb 2020 14:26:11 +0100
Subject: [PATCH] Add exception handler if Channel Finder Server is not
available
---
PythonServer/pos-python-server.py | 17 ++++++++++-------
1 file changed, 10 insertions(+), 7 deletions(-)
diff --git a/PythonServer/pos-python-server.py b/PythonServer/pos-python-server.py
index 95328ba..c662d73 100755
--- a/PythonServer/pos-python-server.py
+++ b/PythonServer/pos-python-server.py
@@ -59,14 +59,17 @@ class myHandler(BaseHTTPRequestHandler):
search_string=search_string[:-1]
search_string+=','
search_string=search_string[:-1]
- result = cf.find(name=search_string)
+ try:
+ result = cf.find(name=search_string)
+ if len(result)==0:
+ returnlist='No PV found.'
+ else:
+ for pv in result:
+ returnlist+='<a href="#" onclick="searchPV(\''+pv['name']+'\')">'+pv['name']+'</a>'
+ returnlist+='<br>'
+ except:
+ returnlist='Channel Finder Server Not Available.'
- if len(result)==0:
- returnlist='No PV found.'
- else:
- for pv in result:
- returnlist+='<a href="#" onclick="searchPV(\''+pv['name']+'\')">'+pv['name']+'</a>'
- returnlist+='<br>'
self.wfile.write(bytes(json.dumps({'pvs':returnlist}), "utf-8"))
return
--
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