Robohash/webfront.py
2011-07-05 21:09:08 -04:00

128 lines
4.1 KiB
Python
Executable File

#!/usr/bin/env python
#
# Copyright 2011 Pluric
import tornado.httpserver
import tornado.ioloop
import tornado.options
import tornado.web
import tornado.escape
import socket
import re
import robohash
import os
import pprint
import Image
import hashlib
import urllib
try:
from hashlib import md5 as md5_func
except ImportError:
from md5 import new as md5_func
class Robohash(object):
def __init__(self,string):
hash = hashlib.sha512()
hash.update(string)
self.hexdigest = hash.hexdigest()
self.hasharray = []
def createHashes(self,count):
#Create and store a series of hash-values
#Basically, split up a hash (SHA/md5/etc) into X parts
for i in range(0,count):
#Get 1/numblocks of the hash
blocksize = (len(self.hexdigest) / count)
currentstart = (1 + i) * blocksize - blocksize
currentend = (1 +i) * blocksize
self.hasharray.append(int(self.hexdigest[currentstart:currentend],16))
def dirCount(self,path):
#return the count of just the directories beneath me.
return sum([len(dirs) for (root, dirs, files) in os.walk(path)])
def getHashList(self,map):
#Kinda a complicated function.
#Basically, we're recursively calling ourselves, and keeping track of the depth
#Since we use two return values, we're storing them in a map.
#Each iteration, if we hit a directory, recurse
#If not, choose the appropriate file, given the hashes, stored above
path = map['path']
depth = map['depth']
completelist = []
locallist = []
for ls in os.listdir(path):
if not ls.startswith("."):
if os.path.isdir(path + "/" + ls):
returnval = self.getHashList({'path': path + "/" + ls ,'depth': depth + 1})
subfiles = returnval['completelist']
if subfiles is not None:
completelist = completelist + subfiles
else:
locallist.append( path + "/" + ls)
if len(locallist) > 0:
elementchoice = self.hasharray[map['depth']] % len (locallist)
luckyelement = locallist[elementchoice]
locallist = []
locallist.append(luckyelement)
completelist = completelist + locallist
return {'completelist':completelist,'depth':depth}
class MainHandler(tornado.web.RequestHandler):
def get(self):
ip = self.request.remote_ip
self.write(self.render_string('templates/root.html',ip=ip))
class ImgHandler(tornado.web.RequestHandler):
def get(self,string=None):
self.content_type = 'application/json'
#Create a hash for the string as given
if string is None:
string = self.request.remote_ip
string = urllib.quote_plus(string)
r = Robohash(string)
r.createHashes(r.dirCount("blue"))
#Change to a usuable format
if string.endswith(('.png','.gif','.jpg','bmp','im','jpeg','pcx','ppm','tiff','xbm')):
ext = string[string.rfind('.') +1 :len(string)]
if ext == '.jpg':
ext = '.jpeg'
else:
ext = "png"
self.set_header("Content-Type", "image/" + ext)
hashlist = r.getHashList({'path':"blue",'depth':0})['completelist']
hashlist.sort()
pprint.pprint(hashlist)
robohash = Image.open(hashlist[0])
for png in hashlist:
img = Image.open(png)
robohash.paste(img,(0,0),img)
if ext == 'bmp':
#Flatten bmps
r, g, b, a = robohash.split()
robohash = Image.merge("RGB", (r, g, b))
robohash.save(self,format=ext)
# self.write("Running in Random mode:<br>")
# self.write("<img src='/images/" + string + "'>")
application = tornado.web.Application([
(r"/static/(.*)", tornado.web.StaticFileHandler, {"path": os.path.join(os.path.dirname(__file__),
"static/")}),
(r"/", MainHandler),
(r"/(.*)", ImgHandler),
])
if __name__ == "__main__":
application.listen(8080)
tornado.ioloop.IOLoop.instance().start()