分享个有趣的脚本-图片转字符画

Abbey

已经兼容python2.7和python3
运行之后可以输入：图片链接或者本地图片绝对路径

1. 
   
2. # -*- coding=utf-8 -*-
   
3. from PIL import Image
   
4. import sys
   
5. import requests
   
6. py3=False
   
7. if sys.version_info[0]==2:
   
8.     import StringIO
   
9. else:
   
10.     py3=True
    
11.     import io as StringIO
    
12. 
    
13. 
    
14. ASCII_CHARS = "$@B%8&WM#*oahkbdpqwmZO0QLCJUYXzcvunxrjft|()1{}[]?-_+~i!lI;:,^  "
    
15. max_width=100  #调节此项可调节图片大小，越大图片信息越好。
    
16. range_width=float(255)/(len(ASCII_CHARS)-1)
    
17. 
    
18. def scale_image(image, new_width=max_width):
    
19.     """Resizes an image preserving the aspect ratio.
    
20.     """
    
21.     (original_width, original_height) = image.size
    
22.     aspect_ratio = original_height/float(original_width)*0.5
    
23.     new_height = int(aspect_ratio * new_width)
    
24.     new_image = image.resize((new_width, new_height))
    
25.     return new_image
    
26. 
    
27. def convert_to_grayscale(image):
    
28.     return image.convert('L')
    
29. 
    
30. def map_pixels_to_ascii_chars(image, range_width=range_width):
    
31.     """Maps each pixel to an ascii char based on the range
    
32.     in which it lies.
    
33.     0-255 is divided into 11 ranges of 25 pixels each.
    
34.     """
    
35.     pixels_in_image = list(image.getdata())
    
36.     pixels_to_chars = [ASCII_CHARS[int(pixel_value/range_width)] for pixel_value in pixels_in_image]
    
37.     return "".join(pixels_to_chars)
    
38. 
    
39. def convert_image_to_ascii(image, new_width=max_width):
    
40.     image = scale_image(image)
    
41.     image = convert_to_grayscale(image)
    
42.     pixels_to_chars = map_pixels_to_ascii_chars(image)
    
43.     len_pixels_to_chars = len(pixels_to_chars)
    
44.     image_ascii = [pixels_to_chars[index: index + new_width] for index in range(0, len_pixels_to_chars, new_width)]
    
45.     f=open('image_ascii.txt','w')
    
46.     for line in image_ascii:
    
47.         f.write('%s\n'%line)
    
48.     return "\n".join(image_ascii)
    
49. 
    
50. def handle_image_conversion(image_filepath):
    
51.     image = None
    
52.     session=requests.Session()
    
53.     session.headers={'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36'}
    
54.     if image_filepath.startswith('http://') or image_filepath.startswith('https://'):
    
55.         resp=session.get(image_filepath)
    
56.         if py3:
    
57.             imagebuf=StringIO.BytesIO(resp.content)
    
58.         else:
    
59.             imagebuf=StringIO.StringIO(resp.content)
    
60.         image=Image.open(imagebuf)
    
61.     else:
    
62.         image = Image.open(image_filepath)
    
63.     image_ascii = convert_image_to_ascii(image)
    
64.     print(image_ascii)
    
65. 
    
66. if __name__=='__main__':
    
67.     while 1:
    
68.         print(u"请输入图片地址：")
    
69.         try:
    
70.             image_file_path = sys.argv[1]
    
71.         except:
    
72.             if py3:
    
73.                 image_file_path=input()
    
74.             else:
    
75.                 image_file_path=raw_input()
    
76.         handle_image_conversion(image_file_path)
    

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王表弟

6666，学了两个月python还只会爬虫的我，看得自愧不如

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厉害了大佬