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#!/usr/bin/python2.7
import os
import sys
import random
import re
import pb.lib.utils as utils
import urllib
import urlparse
from pb.config import *

import base64
import time
import string
import urllib
from subprocess import Popen, PIPE
import sha
import simplejson as json

import mimetypes

class Imlandscape(object):
    def __init__(self, **kwargs):
        self.params = {}
        self.tag = "imlandscape"
        self.commands = [];
        self._required_keys = [
            "heightmap",
            "imgdata",
            "texture",
            "name",
        ]
        self.now = utils.now()
        self.files_created = []
        for k in self._required_keys:
            if k in kwargs:
                    self.params[k] = kwargs[k]
            else:
                self.params[k] = utils.bool_correct(utils.sanitize(kwargs[k]))

    def _filename_from_url (self, url, name=""):
      if "?" in url:
        url = url.split("?")[0]
      if "/" in url:
        url = urllib.unquote(url).replace(" ","")
        filename = url.split("/")[-1]
        filetype = "png" 
        filename = sanitize(filename[:-4])
      else:
        filename = "" 
      if name != "":
        name = name+"_"
      return "{}_{}{}_{}.{}".format("imlandscape", name, filename,self.now, "png")

    def _saveImgData(self, imgdata, filename):
      try:
#        up = urlparse.urlparse(url)
#        head, data = imgdata.split(',', 1)
#    bits = head.split(';')
        parts = imgdata.split(';')
        mime_type = parts[0] if parts[0] else 'text/plain'
        data = parts[1]
        charset, b64 = 'ASCII', False
        for part in parts[1]:
            if part.startswith('charset='):
                charset = part[8:]
            elif part == 'base64':
                b64 = True

        # Do something smart with charset and b64 instead of assuming
        if b64:
          plaindata = base64.b64decode(data)
        else: 
          plaindata = data
        with open(filename, 'wb') as f:
            f.write(plaindata)
      except Exception as e:
        sys.stderr.write("ERROR: {}\n".format(str(e)));

#    def _cleanup(self):
#        cmd = ["rm"]+self.files_created
#        self._call_cmd(cmd)

    def create(self, breakmode=""):
        self.filepath = self._filename_from_url(self.params.get('texture',""), self.params.get('name',""));
        self._saveImgData(self.params.get('imgdata'), self.filepath);

if __name__ == "__main__":
    f = open("/tmp/base64img")
    data = f.read()
    f.close()
    TEST_PARAMS = {
        "heightmap" : "https%3A%2F%2Fwww.google.com%2Fimages%2Fsrpr%2Flogo11w.png" ,
        "imgdata" : data,
        "texture" : "https%3A%2F%2Fwww.google.com%2Fimages%2Fsrpr%2Flogo11w.png",
        "name" : "pepper",
    }
    b = Imlandscape(**TEST_PARAMS)
    b.create();
    print b.filepath