1:#!/usr/bin/env python
   2:from PIL import Image, ImageDraw, ImageFont
   3:import sys, os
   4:
   5:def batchsign(path, text):
   6:  for each in os.listdir(path):
   7:    if each.endswith('.jpg'):
   8:      try:
   9:        name = os.path.join(path, each)
  10:        save = os.path.splitext(name)
  11:        sign(name, text, save[0] + '_signed.jpg')
  12:        print name + ' signed'
  13:      except IOError: None
  14:
  15:def sign(filename, text, outfilename):
  16:    img = Image.open(filename).convert("RGB")
  17:    watermark = Image.new("RGBA", (img.size[0], img.size[1]))
  18:    draw = ImageDraw.ImageDraw(watermark, "RGBA")
  19:    font = ImageFont.truetype("Verdanai.ttf", 24)
  20:    textwidth, textheight = font.getsize(text)
  21:    x1 = img.size[0] - (textwidth + 10)
  22:    y1 = img.size[1] - (textheight + 10)
  23:    draw.setfont(font)
  24:    draw.text((x1, y1), text)
  25:    mask = watermark.convert("L").point(lambda x: min(x, 80))
  26:    watermark.putalpha(mask)
  27:    img.paste(watermark, None, watermark)
  28:    img.save(outfilename)
  29:
  30:if __name__ == '__main__':
  31:  if len(sys.argv) != 2:
  32:    sys.exit("Usage: %s <text>"  % os.path.basename(sys.argv[0]))
  33:  batchsign('', *sys.argv[1:])

txt version