Merge remote-tracking branch 'origin/master'

communicator.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
 import requests
+from singleton import Singleton
 
 """
 Communicator module
@@ -11,15 +12,10 @@ __copyright__ = "Copyright 2020, GoldenPogácsa Team"
 __module_name__ = "messagesender"
 __version__text__ = "1"
 
-class Communicator:
+class Communicator(Singleton):
     """
     Class handling low level communication with consumers.
     """
-    def __init__(self):
-        """
-        Initalize class
-        """
-        pass
 
     def sendmessage(self, message: str) -> None:
         """

singleton.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+
+"""
+Singleton meta module
+"""
+
+__author__ = "@tormakris"
+__copyright__ = "Copyright 2020, GoldenPogácsa Team"
+__module_name__ = "singleton"
+__version__text__ = "1"
+
+
+class Singleton(object):
+    """
+    Singleton metaclass
+    """
+    _instances = {}
+
+    def __new__(class_, *args, **kwargs):
+        """
+        New
+        :param args:
+        :param kwargs:
+        :return:
+        """
+        if class_ not in class_._instances:
+            class_._instances[class_] = super(
+                Singleton, class_).__new__(
+                class_, *args, **kwargs)
+        return class_._instances[class_]