Catch KeyError and AssertionError : except « Statement

Catch KeyError and AssertionError : except « Statement « Python Tutorial

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Python Tutorial » Statement » except

import sys, string



matrix = {"brazil":"br","france":"fr","argentina":"ar","usa":"us"}



def getcode(country):

     try:

         data = matrix[string.lower(country)]

         assert data != "br", "You cannot select this country for this action!"

         return data

     except KeyError:

   print sys.exc_type, ":", "%s is not in the list." % sys.exc_value

         print

     except AssertionError, b:

         print b

         print



while 1:

    country = raw_input("Enter the country name or press x to exit: ")

    if country == "x":

        break

    code = getcode(country)

    if code != None: 

        print "%s's country code is %s" % (country, code)

        print

3.10.except
	3.10.1.	Catching Two Exceptions
	3.10.2.	Simple exception handling example.
	3.10.3.	Demonstrating exception arguments and stack unwinding.
	3.10.4.	Catch more than on exceptions
	3.10.5.	Catch KeyError and AssertionError
	3.10.6.	try/except block that checks for correct user input
	3.10.7.	try/except block with string argument

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