Gravatar Template Tag

gravatar.py

from django import template
import urllib, hashlib

register = template.Library()


@register.simple_tag(takes_context=True)
def gravatar_image_url(context, email, default='mm', size=40, extension='jpg', force_default=False, rating='g'):
    return '{host}/avatar/{hash}.{extension}?{params}'.format(
        host='https://secure.gravatar.com' or '//www.gravatar.com', 
        hash=hashlib.md5(email.strip().lower()).hexdigest(),
        extension=extension,
        params=urllib.urlencode({
            'd': default,
            's': size,
            'f': force_default and 'y' or '',
            'r': rating.lower(),
        })
    )

@register.simple_tag
def gravatar_profile_url(email):
    return '//www.gravatar.com/avatar/{hash}'.format(
        hash=hashlib.md5(email.strip().lower()).hexdigest(),
    )

@register.simple_tag
def gravatar_profile_qr(email, size=50):
    return '//www.gravatar.com/{hash}.qr?{params}'.format(
        hash=hashlib.md5(email.strip().lower()).hexdigest(),
        params=urllib.urlencode({
            's': size,
        })
    )

@register.simple_tag
def gravatar_profile_json(email):
    return '//www.gravatar.com/{hash}.json'.format(
        hash=hashlib.md5(email.strip().lower()).hexdigest(),
    )

@register.simple_tag
def gravatar_profile_xml(email):
    return '//www.gravatar.com/{hash}.xml'.format(
        hash=hashlib.md5(email.strip().lower()).hexdigest(),
    )

@register.simple_tag
def gravatar_profile_json(email):
    return '//www.gravatar.com/{hash}.vcf?'.format(
        hash=hashlib.md5(email.strip().lower()).hexdigest(),
    )