old_contents: import StringIO
  from string import hexdigits
  
  from flask import Flask, abort, make_response, send_file, request
  
  from PIL.ImageColor import getrgb
  
  from werkzeug.contrib.cache import MemcachedCache
  
  import image as doge_image
  
  
  cache = MemcachedCache(['127.0.0.1:11211'])
  
  im = doge_image.ImageManager()
  
  app = Flask(__name__)
  
  def hash_to_color(digest):
      """
      Given a 32-byte hexidecimal string, return a color as an integer three-tuple
      """
      color = int(digest, 16) % (2 ** 24)
      return tuple([color / 2 ** (8 * i) % 2 ** 8 for i in xrange(3)])
  
  def get_color(color):
      """
      Interpret some string as a color represented as a integer three tuple
      """
      if len(color) == 32 and all(c in hexdigits for c in color):
          return hash_to_color(color)
      try:
          return getrgb(color)
      except:
          return getrgb("#" + color)
  
  
  @app.route("/<color>")
  def doge_color(color):
      if cache.get(color):
          return send_file(cache.get(color), mimetype="image/png")
      try:
          io = StringIO.StringIO()
          print "color = %s" % color
          image = im.put_color(get_color(color))
          image.save(io, "PNG")
          io.seek(0)
          cache.set(color, io, timeout=60*60)
          return send_file(io, mimetype="image/png")
      except Exception as e:
          print e
          return abort(404)
  
  
  @app.route("/")
  def doge():
      color = request.args.get("color", "#343434")
      return doge_color(color)
  
  
  if __name__ == "__main__":
      app.run()
  
new_contents: import StringIO
  from string import hexdigits
  
  from flask import Flask, abort, make_response, send_file, request
  
  from PIL.ImageColor import getrgb
  
  from werkzeug.contrib.cache import MemcachedCache
  
  import image as doge_image
  
  
  cache = MemcachedCache(['127.0.0.1:11211'])
  
  im = doge_image.ImageManager()
  
  app = Flask(__name__)
  
  def hash_to_color(digest):
      """
      Given a 32 or 40 character hexidecimal string, return a
      color as an integer three-tuple.
      """
      color = int(digest, 16) % (2 ** 24)
      return tuple([color / 2 ** (8 * i) % 2 ** 8 for i in xrange(3)])
  
  def get_color(color):
      """
      Interpret some string as a color represented as a integer three tuple
      """
      if (len(color) == 32 or len(color) == 40)\
         and all(c in hexdigits for c in color):
          return hash_to_color(color)
      try:
          return getrgb(color)
      except:
          return getrgb("#" + color)
  
  
  @app.route("/<color>")
  def doge_color(color):
      if cache.get(color):
          return send_file(cache.get(color), mimetype="image/png")
      try:
          io = StringIO.StringIO()
          print "color = %s" % color
          image = im.put_color(get_color(color))
          image.save(io, "PNG")
          io.seek(0)
          cache.set(color, io, timeout=60*60)
          return send_file(io, mimetype="image/png")
      except Exception as e:
          print e
          return abort(404)
  
  
  @app.route("/")
  def doge():
      color = request.args.get("color", "#343434")
      return doge_color(color)
  
  
  if __name__ == "__main__":
      app.run()
  
subject: Add support for uuids, sha1sums (eg. git hashes).