From 0c8583c05cedcbcf98cdda684b614a6a97055de8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?ylt=E5=A7=9A=E5=85=B0=E5=A4=A9?= <ltyao@Ctrip.com>
Date: Tue, 23 Jun 2015 17:51:25 +0800
Subject: [PATCH] add file size diff

---
 .gitignore             |  3 +++
 file/__init__.py       |  2 ++
 file/size_diff.py      | 15 +++++++++++++++
 file/size_diff_test.py | 19 +++++++++++++++++++
 4 files changed, 39 insertions(+)
 create mode 100644 file/__init__.py
 create mode 100644 file/size_diff.py
 create mode 100644 file/size_diff_test.py

diff --git a/.gitignore b/.gitignore
index ba74660..e798bb1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,9 @@ __pycache__/
 # C extensions
 *.so
 
+# IDE config
+.idea/
+
 # Distribution / packaging
 .Python
 env/
diff --git a/file/__init__.py b/file/__init__.py
new file mode 100644
index 0000000..550c49c
--- /dev/null
+++ b/file/__init__.py
@@ -0,0 +1,2 @@
+# -*- coding:utf8 -*-
+__author__ = 'ltyao'
diff --git a/file/size_diff.py b/file/size_diff.py
new file mode 100644
index 0000000..f9b9391
--- /dev/null
+++ b/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
+
+
diff --git a/file/size_diff_test.py b/file/size_diff_test.py
new file mode 100644
index 0000000..177b16c
--- /dev/null
+++ b/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()