removing some duplicate code

rowers/database.py

@@ -0,0 +1,18 @@
+from django.conf import settings
+
+user = settings.DATABASES['default']['USER']
+password = settings.DATABASES['default']['PASSWORD']
+database_name = settings.DATABASES['default']['NAME']
+host = settings.DATABASES['default']['HOST']
+port = settings.DATABASES['default']['PORT']
+
+database_url = 'mysql://{user}:{password}@{host}:{port}/{database_name}'.format(
+    user=user,
+    password=password,
+    database_name=database_name,
+    host=host,
+    port=port,
+    )
+
+if settings.DEBUG or user=='':	    
+    database_url = 'sqlite:///db.sqlite3'