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GeezerVison is showing github.com — python-tutorials/python-challenge/mozart.py at master · feiskyer/python-tutorials Expand file tree/ Copy pathmozart.pyMore file actions 31 lines (26 loc) · 1.19 KB / Copy pathmozart.pyFile metadata and controls31 lines (26 loc) · 1.19 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 #!/usr/bin/python # coding: utf-8 # 题目中的原图是一张被打乱了图片。仔细观察一下就会发现,图片当中每一行都有一个 # 长度为 5 pixels 的粉色块。而且题目的标题为: 'let me get this straight' 。 # 因此猜测是需要把每一行的粉色块进行移位,使他们能够垂直对齐。即,使每一行从 # '[粉块前][粉块][粉块后]' 变换到 '[粉块][粉块后][粉块前]' 。 import Image import re import urllib filename=url.split('/')[-1] urllib.urlretrieve(url,filename) img = Image.open("mozart.gif") #转换数据为string并将本来可能存在的'\n'先替换掉 imgtext = img.tostring().replace('\n', '0') #转换成640一行的格式 imgtext = '\n'.join([imgtext[i * 640: (i+1) * 640] for i in range(480)]) #对每一行用正则进行位置交换 #交换前:[粉块前][粉块][粉块后] #交换后:[粉块][粉块后][粉块前] #'\xc3' 为粉色像素的编码 imgtext = re.compile('^(.*?)(\xc3{5})(.*?)$', re.M).sub(r'\2\3\1', imgtext) imgtext = imgtext.replace('\n', '') img.fromstring(imgtext) img.save("16.gif") # 17 romance |
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