Develop

src/database/AltConnector.py

 from scrapy.conf import settings
 from utils.Singleton import Singleton
 import MySQLdb as sql
-import os
 
 
 class AltConnector(metaclass=Singleton):
@@ -10,12 +9,12 @@ class AltConnector(metaclass=Singleton):
     @staticmethod
     def get_connection():
         if not AltConnector.__connection:
-            # TODO cant use db-port
             AltConnector.__connection = sql.connect(
-                os.getenv('DB_HOST'),
-                os.getenv('DB_USERNAME'),
-                os.getenv('DB_PASSWORD'),
-                os.getenv('DB_DATABASE'),
+                settings['DB_HOST'],
+                settings['DB_USERNAME'],
+                settings['DB_PASSWORD'],
+                settings['DB_DATABASE'],
                 charset='utf8',
-                port=int(os.getenv('DB_PORT')))
+                port=settings['DB_PORT']
+            )
         return AltConnector.__connection