[Tutor] how to return an error from a CGI

[Danny Yoo]

Hi John,

It's been a long time!


I believe you may be looking for the Status Code stuff that web servers 
use to tell browsers that something special is happening.  See Section 
3.3.1.3 in:

     http://www.unix.com.ua/orelly/linux/cgi/ch03_03.htm

for an example done in Perl; the code should be easy to translate to 
Python.  The idea is to print out a "Status" header at the beginning, so 
that the web server knows that it should send out a response with that 
particular status code type.


The status codes are also specified as constants in:

     http://www.python.org/doc/lib/module-httplib.html

near the bottom of that documentation.


Wikipedia also catalogs the status codes that you can use:

     http://en.wikipedia.org/wiki/List_of_HTTP_status_codes