Hi.
I'm implementing the start_response callable for Nginx mod_wsgi and I
have a few questions.
1) From the WSGI PEP it seems that an implementation is allowed to
*always* raise an exception when start_response is called with a not
null exc_info.
Is this true?
2) What happens if an application call start_response with an incorrect
status line or headers?
Should an implementation consider the function "called", so that an
application can call it a second time, *without* the exc_info
parameter?
3) How many applications/frameworks use the exc_info parameter for
start_response?
Thanks Manlio Perillo
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