Django Image Requests
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### gravatar.py ###############
### place inside a 'templatetags' directory inside the top level of a Django app (not project, must be inside an app)
### at the top of your page template include this:
### {% load gravatar %}
### and to use the url do this:
### 
### or
### 
### just make sure to update the "default" image path below
from django import template
import urllib, hashlib
register = template.Library()
class GravatarUrlNode(template.Node):
def __init__(self, email):
self.email = template.Variable(email)
def render(self, context):
try:
email = self.email.resolve(context)
except template.VariableDoesNotExist:
return ''
default = "http://example.com/static/images/defaultavatar.jpg"
size = 40
gravatar_url = "http://www.gravatar.com/avatar/" + hashlib.md5(email.lower()).hexdigest() + "?"
gravatar_url += urllib.urlencode({'d':default, 's':str(size)})
return gravatar_url
@register.tag
def gravatar_url(parser, token):
try:
tag_name, email = token.split_contents()
except ValueError:
raise template.TemplateSyntaxError, "%r tag requires a single argument" % token.contents.split()[0]
return GravatarUrlNode(email)
See Also: django-gravatar project on Google Code
