def __call__(self, environ, start_response):
result = self.application(environ, start_response)
# Bail if the returned value is not a tuple.
if not isinstance(result, tuple):
return result
if len(result) == 2:
template, data, extras = result + (dict(),)
elif len(result) == 3:
template, data, extras = result
if not isinstance(template, basestring) or not isinstance(extras, dict):
raise TypeError("Invalid tuple values returned to TemplatingMiddleware.")
response.content_type, output = render(template, data, **extras)
if isinstance(response.content_type, unicode):
response.content_type = response.content_type.encode('iso-8859-1')
if isinstance(output, str):
response.body = output
elif isinstance(output, unicode):
response.unicode_body = output
return response(environ, start_response)
def response(cls, result, environ, start_response):
try:
from web.core import response
except ImportError:
from webob import Response
response = Response()
response.content_type = result[0]
if isinstance(result[1], str):
response.body = result[1]
elif isinstance(result[1], unicode):
response.unicode_body = result[1]
return response(environ, start_response)