[IMPR] Derive WelcomeBot from SingeSiteBot

detached from Iff53f38

Change-Id: Ieeedadb0cea36f77847bbf5daeaa2915b097077f
---
M scripts/welcome.py
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/scripts/welcome.py b/scripts/welcome.py
index df48877..1b4c418 100755
--- a/scripts/welcome.py
+++ b/scripts/welcome.py
@@ -179,6 +179,7 @@
 import pywikibot
 
 from pywikibot import config, i18n
+from pywikibot.bot import SingleSiteBot
 from pywikibot.exceptions import HiddenKeyError
 from pywikibot.tools.formatter import color_format
 from pywikibot.tools import issue_deprecation_warning, PY2, UnicodeType
@@ -475,13 +476,13 @@
     quiet = False           # Users without contributions aren't displayed
 
 
-class WelcomeBot(object):
+class WelcomeBot(SingleSiteBot):
 
     """Bot to add welcome messages on User pages."""
 
-    def __init__(self):
+    def __init__(self, **kwargs):
         """Initializer."""
-        self.site = pywikibot.Site()
+        super(WelcomeBot, self).__init__(**kwargs)
         self.check_managed_sites()
         self.bname = {}
 

