old_contents: #!/usr/bin/python
  #coding=utf-8
  
  from PIL import Image, ImageDraw, ImageFont, ImageFilter
  import random
  
  IMAGE_MODE = 'RGB'
  IMAGE_BG_COLOR = (255,255,255)
  Image_Font = 'arial.ttf'
  text = ''.join(random.sample('abcdefghijklmnopqrstuvwxyz\
  ABCDEFGHIJKLMNOPQRSTUVWXYZ',4))
  
  def colorRandom():
      return (random.randint(32,127),random.randint(32,127),random.randint(32,127))
  
  
  #change 噪点频率（%）
  def create_identifying_code(strs, width=400, height=200, chance=2):
      im = Image.new(IMAGE_MODE, (width, height), IMAGE_BG_COLOR)
      draw = ImageDraw.Draw(im)
      #绘制背景噪点
      for w in xrange(width):
          for h in xrange(height):
              if chance < random.randint(1, 100):
                  draw.point((w, h), fill=colorRandom())
  
      font = ImageFont.truetype(Image_Font, 80)
      font_width, font_height = font.getsize(strs)
      strs_len = len(strs)
      x = (width - font_width)/2
      y = (height - font_height)/2
      #逐个绘制文字
      for i in strs:
          draw.text((x,y), i, colorRandom(), font)
          x += font_width/strs_len
      #模糊
      im = im.filter(ImageFilter.BLUR)
      im.save('identifying_code_pic.jpg') 
  
  
  if __name__ == '__main__':
      create_identifying_code(text)
  
new_contents: #!/usr/bin/python
  #coding=utf-8
  
  """
  
  第 0010 题：使用 Python 生成字母验证码图片
  
  """
  
  from PIL import Image, ImageDraw, ImageFont, ImageFilter
  import random
  
  IMAGE_MODE = 'RGB'
  IMAGE_BG_COLOR = (255,255,255)
  Image_Font = 'arial.ttf'
  text = ''.join(random.sample('abcdefghijklmnopqrstuvwxyz\
  ABCDEFGHIJKLMNOPQRSTUVWXYZ',4))
  
  def colorRandom():
      return (random.randint(32,127),random.randint(32,127),random.randint(32,127))
  
  
  #change 噪点频率（%）
  def create_identifying_code(strs, width=400, height=200, chance=2):
      im = Image.new(IMAGE_MODE, (width, height), IMAGE_BG_COLOR)
      draw = ImageDraw.Draw(im)
      #绘制背景噪点
      for w in xrange(width):
          for h in xrange(height):
              if chance < random.randint(1, 100):
                  draw.point((w, h), fill=colorRandom())
  
      font = ImageFont.truetype(Image_Font, 80)
      font_width, font_height = font.getsize(strs)
      strs_len = len(strs)
      x = (width - font_width)/2
      y = (height - font_height)/2
      #逐个绘制文字
      for i in strs:
          draw.text((x,y), i, colorRandom(), font)
          x += font_width/strs_len
      #模糊
      im = im.filter(ImageFilter.BLUR)
      im.save('identifying_code_pic.jpg') 
  
  
  if __name__ == '__main__':
      create_identifying_code(text)
  
subject: fix 0010