Demonstrating exception arguments and stack unwinding. : except « Statement

Demonstrating exception arguments and stack unwinding. : except « Statement « Python Tutorial

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Python Tutorial » Statement » except

import traceback



def function1():

   function2()



def function2():

   function3()



def function3():

   # raise exception, catch exception, reraise exception

   try:

      raise Exception, "An exception has occurred"

   except Exception:

      print "Caught exception in function3. Reraising....\n"

      raise   # reraises most recent exception



# call function1, any Exception it generates will be

# caught by the except clause that follows

try:

   function1()



# output exception arguments, string representation of exception,

# and the traceback

except Exception, exception:

   print "Exception caught in main program."

   print "\nException arguments:", exception.args

   print "\nException message:", exception

   print "\nTraceback:"

   traceback.print_exc()

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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