Little refactoring - got rid of static variables

autobanbot.py

@@ -6,15 +6,15 @@ import re
 import logging
 import json
 
-SPAM_REGEXES = []
-TELEGRAM_API_KEY = "unknown"
-
 def load_config():
+    retval = {}
     with open("config.json") as config_file:
         config = json.load(config_file)
+        retval["telegramApiKey"] = config["telegramApiKey"]
+        retval["regexes"] = []
         for regex in config["regexes"]:
-            SPAM_REGEXES.append(re.compile(regex, re.I))
-        return config
+            retval["regexes"].append(re.compile(regex, re.I))
+        return retval
 
 def handle_spam_message(bot, chat, member, message_id):
     logging.warning("SPAM USER JOINED: {} | {} | {} | {}".format(
@@ -35,10 +35,10 @@ def handle_spam_message(bot, chat, member, message_id):
     if not delete_result:
         logging.error("Message delete success: {}".format(delete_result))
 
-def hello(bot, update):
+def hello(bot, update, regexes):
     for user in update.message.new_chat_members:
         is_spam = False
-        for regex in SPAM_REGEXES:
+        for regex in regexes:
             if user.first_name is not None and regex.search(user.first_name) is not None:
                 is_spam = True
             if user.last_name is not None and regex.search(user.last_name) is not None:
@@ -63,7 +63,9 @@ if __name__ == '__main__':
     config = load_config()
     updater = Updater(config["telegramApiKey"])
     
-    updater.dispatcher.add_handler(MessageHandler(Filters.status_update.new_chat_members, hello))
+    updater.dispatcher.add_handler(MessageHandler(Filters.status_update.new_chat_members, (
+        lambda bot, update: hello(bot, update, config["regexes"])
+    )))
     
     updater.start_polling()
     updater.idle()

tests.py

@@ -32,12 +32,12 @@ class Update:
 
 class TestAutoBanBot(unittest.TestCase):
     def setUp(self):
-        autobanbot.load_config()
+        self.regexes = autobanbot.load_config()["regexes"]
 
     def banned_join(self, user_id, first_name, last_name, username):
         bot = Mock(spec=BOT_SPEC)
         self.assertTrue(autobanbot.hello(
-            bot, Update(user_id, first_name, last_name, username)
+            bot, Update(user_id, first_name, last_name, username), self.regexes
         ))
         bot.kick_chat_member.assert_called_once_with(CHAT_ID, USER_ID)
         bot.delete_message.assert_called_once_with(CHAT_ID, MESSAGE_ID)
@@ -45,7 +45,7 @@ class TestAutoBanBot(unittest.TestCase):
     def legit_join(self, user_id, first_name, last_name, username):
         bot = Mock(spec=BOT_SPEC)
         self.assertFalse(autobanbot.hello(
-            bot, Update(user_id, first_name, last_name, username)
+            bot, Update(user_id, first_name, last_name, username), self.regexes
         ))
         bot.kick_chat_member.assert_not_called()
         bot.delete_message.assert_not_called()