@register.tag
def clicky(parser, token):
    bits = token.split_contents()
    if len(bits) > 1:
        raise TemplateSyntaxError("'%s' takes no arguments" % bits[0])
    return ClickyNode()
This returns valid transaction id for the entity key.
dataset/ETHPy150Open jcassee/django-analytical/analytical/templatetags/clicky.py/clicky--crossover with--dataset/ETHPy150Open AppScale/appscale/AppDB/zkappscale/zktransaction_stub.py/ZKTransaction.get_valid_transaction_id