import pytesseract

import requests

from PIL import Image

from PIL import ImageFilter

from StringIO import StringIO

from werkzeug.utils import secure_filename

from gevent import monkey

from gevent.pywsgi import WSGIServer

monkey.patch_all()

from flask import Flask,render_template,jsonify,request,send_from_directory

import time

import os

import base64

import random

app = Flask(__name__)

UPLOAD_FOLDER='upload'

app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER

basedir = os.path.abspath(os.path.dirname(__file__))

ALLOWED_EXTENSIONS = set(['png','jpg','JPG','PNG'])

def allowed_file(filename):

    return '.' in filename and filename.rsplit('.',)[] in ALLOWED_EXTENSIONS

@app.route('/',methods=['GET'],strict_slashes=False)

def indexpage():

    return render_template('index.html')

@app.route('/',methods=['POST'],strict_slashes=False)

def api_upload():

    log = open("error.log","w+")

    file_dir = os.path.join(basedir, app.config['UPLOAD_FOLDER'])

    if not os.path.exists(file_dir):

        os.makedirs(file_dir)

    print request.headers

    print >> log, request.headers

    f = request.files['file']

    postLang  = request.form.get("lang", type=str) 

    log.close()

    if f and allowed_file(f.filename):

        fname = secure_filename(f.filename)

        ext = fname.rsplit('.',)[]

        unix_time = int(time.time())

        new_filename = str( random.randrange(, , ))+str(unix_time)+'.'+ext

        f.save(os.path.join(file_dir,new_filename))

        if cmp(postLang, "chi_sim"):

            strboxs = pytesseract.image_to_boxes(Image.open("/var/OCRhtml/upload/" + new_filename), lang="chi_sim")

            strdata = pytesseract.image_to_string(Image.open("/var/OCRhtml/upload/" + new_filename), lang="chi_sim")

            print "Chinese"

        else:

            strboxs = pytesseract.image_to_boxes(Image.open("/var/OCRhtml/upload/"+new_filename))

            strdata = pytesseract.image_to_string(Image.open("/var/OCRhtml/upload/"+new_filename))

        return jsonify({"errno":, "msg":"succeed ","data":strdata,"info":strboxs})

    else:

        return jsonify({"errno":, "errmsg":u"failed"})

if __name__ == '__main__':

    http_server = WSGIServer(('', ), app)

    http_server.serve_forever()