0005

chris5641 · chris5641 · commit dc6988de3c28 · 2016-03-22T23:29:13.000+08:00
diff --git a/chris5641/0005/ChangeResolution.py b/chris5641/0005/ChangeResolution.py
@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+"""
+第 0005 题：你有一个目录，装了很多照片，把它们的尺寸变成都不大于 iPhone5 分辨率的大小。
+"""
+from PIL import Image
+import os
+
+__author__ = 'Chris5641'
+
+
+def change_resolution(path):
+    for picname in os.listdir(path):
+        picpath = os.path.join(path, picname)
+        with Image.open(picpath) as im:
+            w, h = im.size
+            n = w/1366 if (w/1366) >= (h/640) else h/640
+            im.thumbnail((w/n, h/n))
+            im.save('finish_'+picname.split('.')[0]+'.jpg', 'jpeg')
+
+
+if __name__ == '__main__':
+    change_resolution('/home/chris/pictures/123')
