Do not crash in case of connection failure

Return None to indicate a network failure.
2016-03-21 14:40:23 +07:00 · 2016-03-21 14:40:23 +07:00 · f12e35fef9
parent cf2115b383
commit f12e35fef9
1 changed files with 5 additions and 2 deletions
--- a/relational/maintenance.py
+++ b/relational/maintenance.py
@ -51,8 +51,11 @@ def check_latest_version():
    Heavely dependent on server and server configurations
    not granted to work forever.'''
    connection = http.client.HTTPConnection('feedback-ltworf.appspot.com')
-    connection.request("GET", "/version/relational")
-    r = connection.getresponse()
+    try:
+        connection.request("GET", "/version/relational")
+        r = connection.getresponse()
+    except:
+        return None

    # html
    s = r.read()