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import json
from django.http import HttpResponse
from django.template.loader import render_to_string
def render_modal_workflow(request, html_template, js_template, template_vars=None):
""""
Render a response consisting of an HTML chunk and a JS onload chunk
in the format required by the modal-workflow framework.
"""
response_keyvars = []
if html_template:
html = render_to_string(html_template, template_vars or {}, request=request)
response_keyvars.append("'html': %s" % json.dumps(html))
if js_template:
js = render_to_string(js_template, template_vars or {}, request=request)
response_keyvars.append("'onload': %s" % js)
response_text = "{%s}" % ','.join(response_keyvars)
return HttpResponse(response_text, content_type="text/javascript")