# !/usr/bin/env python
#
# Copyright 2008 CPedia.com.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

__author__ = 'Ping Chen'

from google.appengine.ext import webapp
import string

import config

register = webapp.template.create_template_register()


@register.filter
def gravatar(email):
    default = config.DEAL["root_url"]+"/static/images/anonymous.jpg"
    size = 48
    gravatar_url = "http://www.gravatar.com/avatar.php?"
    gravatar_url += urllib.urlencode({'gravatar_id':hashlib.md5(str(email)).hexdigest(),
        'default':default, 'size':str(size)})
    return gravatar_url
