?? raising.py
字號:
# -*- coding: cp936 -*-
# Filename: raising.py
class ShortInputException(Exception):
'''A user-defined exception class.'''
def __init__(self, length, atleast):
Exception.__init__(self)
self.length = length
self.atleast = atleast
try:
s = raw_input('Enter something -->')
if len(s) < 3:
raise ShortInputException(len(s), 3)
# Other work can continue as usual here
except EOFError:
print '\n Why did you do an EOF on me?'
except ShortInputException, x:
print 'ShortInputException: The input was of length %d, \
was excepting at least %d' % (x.length, x.atleast)
else:
print 'No exception was raised.'
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