add file size diff

.gitignore

@@ -5,6 +5,9 @@ __pycache__/
 # C extensions
 *.so
 
+# IDE config
+.idea/
+
 # Distribution / packaging
 .Python
 env/

file/__init__.py

@@ -0,0 +1,2 @@
+# -*- coding:utf8 -*-
+__author__ = 'ltyao'

file/size_diff.py

@@ -0,0 +1,15 @@
+# -*- coding:utf8 -*-
+__author__ = 'ltyao'
+import os
+from os.path import join, getsize
+
+
+def cmp_size(left_dir, right_dir):
+    for root, dirs, files in os.walk(left_dir):
+        for file_name in files:
+            left = getsize(join(root, file_name))
+            right = getsize(join(root.replace(left_dir, right_dir), file_name))
+            if cmp(left, right) != 0:
+                print root, file_name, left - right
+
+

file/size_diff_test.py

@@ -0,0 +1,19 @@
+__author__ = 'ltyao'
+
+import unittest
+from size_diff import cmp_size
+
+
+class SizeTestCase(unittest.TestCase):
+    def setUp(self):
+        self.left_dir = "D:\Users\ltyao\PycharmProjects\untitled5\NET_1367635\ws.mobilesecure.payment.soa2\payment"
+        self.right_dir = "D:\Users\ltyao\PycharmProjects\untitled5\NET_1368884\ws.mobilesecure.payment.soa2\payment"
+
+    def test_echo(self):
+        cmp_size(self.left_dir, self.right_dir)
+        print("--------------------")
+        cmp_size(self.right_dir, self.left_dir)
+
+
+if __name__ == '__main__':
+    unittest.main()