js_handlers.py

'''
templatetags module
'''

from django import template
register = template.Library()

@register.simple_tag
def go_to_url(url):
    return "window.location='" + url +"'; return false;"

template.html

<form action="/objects/create" method="post">{% csrf_token %}
    {{ form }}
    <button onclick="{% go_to_url '/objects' %}">Cancel</button>
    <button type="submit">Report</button>
</form>