print a warning when user try to use non-numeric index of redis

binux · Apr 24, 2017 · 941704d · 941704d
1 parent 06cd99d
commit 941704d
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/pyspider/message_queue/__init__.py b/pyspider/message_queue/__init__.py
@@ -5,6 +5,8 @@
 #         http://binux.me
 # Created on 2015-04-30 21:47:08
 
+import logging
+
 try:
     from urllib import parse as urlparse
 except ImportError:
@@ -49,6 +51,7 @@ def connect_message_queue(name, url=None, maxsize=0, lazy_limit=True):
         try:
             db = int(db[0])
         except:
+            logging.warning('redis DB must zero-based numeric index, using 0 instead')
             db = 0
 
         password = parsed.password or None