Add load_compressed function to city.py

hub/city_model_structure/city.py

@@ -299,6 +299,21 @@ class City:
     with open(city_filename, 'rb') as file:
       return pickle.load(file)
 
+  @staticmethod
+  def load_compressed(compressed_city_filename, destination_filename) -> City:
+    """
+    Load the pickle file name in the current city
+    :param source_file: Compressed pickle as source
+    :param destination_file: Pickle file as destination
+    :return: City
+    """
+    with open(str(compressed_city_filename), 'rb') as source, open(str(destination_filename), 'wb') as destination:
+      destination.write(bz2.decompress(source.read()))
+    return City.load(destination_filename)
+
+  @staticmethod
+  def load_compressed(city_filename, ):
+
   def save(self, city_filename):
     """
     Save a city into the given filename