gate: start reorder

Signed-off-by: Thomas Klaehn <thomas.klaehn@u-blox.com>

source/data_buffer/__init__.py

@@ -0,0 +1,24 @@
+
+class DataBuffer(object):
+    def __init__(self, length):
+        self.__max = length
+        self.__data = []
+
+    def push(self, element):
+        if self.__max == 0:
+            return False
+        if len(self.__data) == self.__max:
+            _ = self.__data.pop(0)
+        self.__data.append(element)
+        return True
+
+    def average(self):
+        if len(self.__data) != self.__max:
+            return None
+        return sum(self.__data) / len(self.__data)
+
+    def length(self):
+        return len(self.__data)
+
+    def clear(self):
+        self.__data = []