gravatar_tags.py 文件源码

def render(self, context):
        try:
            email = self.email.resolve(context)
        except template.VariableDoesNotExist:
            return ''
        # default = 'http://example.com/static/images/defaultavatar.jpg'
        default = 'mm'  # Mystery Man
        size = 24
        return '//www.gravatar.com/avatar/{}?{}'.format(
            hashlib.md5(email.lower()).hexdigest(),
            urllib.urlencode({'d': default, 's': str(size)}))