Created
November 25, 2015 05:32
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| import os.path | |
| import requests | |
| from PIL import Image | |
| lowest_x = 928 | |
| highest_x = 1002 | |
| lowest_y = -1088 | |
| highest_y = -1069 | |
| outfile = 'out.png' | |
| cache_dir = 'cache' | |
| edge = 513 | |
| missing_tile_color = 255 | |
| def fetch(x, y): | |
| basename = '%d:%d+s.png' % (x, y) | |
| path = os.path.join(cache_dir, basename) | |
| if not os.path.exists(path): | |
| url = 'http://xkcd.com/1608/' + basename | |
| print("downloading %s" % url) | |
| resp = requests.get(url) | |
| if resp.status_code == 404: | |
| with open(path, 'w') as f: | |
| f.write("404") | |
| else: | |
| with open(path, 'wb') as f: | |
| f.write(resp.content) | |
| else: | |
| print("cached %s" % path) | |
| if os.stat(path).st_size != 3: | |
| return Image.open(path) | |
| else: | |
| return Image.new('L', (edge, edge), missing_tile_color) | |
| def make(start, end): | |
| startx, starty = start | |
| endx, endy = end | |
| dimensions = ((endx - startx) * edge, (endy - starty) * edge) | |
| base = Image.new('L', dimensions, 0) | |
| for x in range(startx, endx + 1): | |
| for y in range(starty, endy + 1): | |
| im = fetch(x, y) | |
| offsetx = (x - startx) * edge | |
| offsety = (y - starty) * edge | |
| base.paste(im, (offsetx, offsety)) | |
| print("saving %d x %d PNG to %s" % (dimensions[0], dimensions[1], outfile)) | |
| base.save(outfile) | |
| if __name__ == '__main__': | |
| make((lowest_x, lowest_y), (highest_x, highest_y)) |
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