commit 0006

darcycool · darcycool · commit f1eec249a0b9 · 2017-08-07T15:25:21.000+08:00
diff --git a/darcycool/0007/analysis_file.py b/darcycool/0007/analysis_file.py
@@ -0,0 +1,17 @@
+# -*- coding: utf-8 -*-
+# 第 0007 题： 有个目录，里面是你自己写过的程序，统计一下你写过多少行代码。包括空行和注释，但是要分别列出来。
+import linecache
+
+file = open('source/change_images_size.py', 'r')
+
+fileLines = len(file.readlines())
+
+print('代码行数:%s' % fileLines)
+
+blankLines = 0
+
+for line in range(fileLines):
+    if len((linecache.getline('source/change_images_size.py', line).split())) == 0:
+        blankLines += 1
+
+print(blankLines)
diff --git a/darcycool/0007/source/change_images_size.py b/darcycool/0007/source/change_images_size.py
@@ -0,0 +1,49 @@
+# -*- 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。
+import os
+
+from PIL import Image
+
+rootDir = 'imgs/'
+
+
+def judge_size(img):
+    imgSize = img.size
+    return max(imgSize) > 1136
+
+
+def return_size(img):
+    max, min = img.size
+    if max > min:
+        return max, min
+    else:
+        return min, max
+
+
+def change_size(img, max, min):
+    value = max / 1136
+    min = int(min / value)
+    newImg = img.resize((1136, min), Image.ANTIALIAS)
+    return newImg
+
+
+for parent, dirnames, filenames in os.walk(rootDir):
+    for filename in filenames:
+        fName = filename
+        print(filename)
+        filename = parent + os.sep + filename
+        fPostfix = os.path.splitext(filename)[1]
+        try:
+            img = Image.open(filename)
+        except:
+            print(filename)
+            continue
+        # img.load()
+        print(filename)
+        print(fPostfix)
+        if (fPostfix == '.jpg' or fPostfix == '.png' or fPostfix == '.JPG' or fPostfix != '.PNG'):
+            print(judge_size(img))
+            if (judge_size(img) == True):
+                max, min = return_size(img)
+                newimg = change_size(img, max, min)
+                newimg.save(rootDir + os.sep + fName)
