added zipscale module which inhiterances from zipprocessor module

python_3_oop/chapter05/zipscale.py

@@ -0,0 +1,18 @@
+from zipprocessor import ZipProcessor
+import sys
+import os
+from pygame import image
+from pygame.transform import scale
+
+
+class ZipScale(ZipProcessor):
+
+    def process_files(self):
+        '''Scale each image in the directory to 640x480'''
+        for filename in os.listdir(self.temp_directory):
+            im = image.load(self._full_filename(filename))
+            scaled = scale(im, (640, 480))
+            image.save(scaled, self._full_filename(filename))
+
+if __name__ == "__main__":
+    ZipScale(*sys.argv[1:2]).process_zip()