Improve datasource service parsing regex

src/config_generator/qgs_reader.py

@@ -193,7 +193,7 @@ def __db_connection(self, datasource):
 
         if 'service=' in datasource:
             # PostgreSQL connection service
-            m = re.search(r"service='([\w ]+)'", datasource)
+            m = re.search(r"service='([^']+)'", datasource)
             if m is not None:
                 connection_string = 'postgresql:///?service=%s' % m.group(1)