testtryexcept.py

来自「Python Development Environment (Python I」· Python 代码 · 共 51 行

import sys
## NOTE: try except finally is supported by Python 2.5!

try:
    print 5 / 0
except ZeroDivisionError:
    print "foomsg"

try:
    f = open('testTryExcept.py')
    s = f.readline()
    i = int(s.strip())
except IOError, (errno, strerror):
    print "I/O error(%s): %s" % (errno, strerror)
except ValueError:
    print "Could not convert data to an integer."
except:
    print "Unexpected error:", sys.exc_info()[0]
    raise
else:
    print "it works"
finally:
    close(f)
    print "foo"

##r
import sys
## NOTE: try except finally is supported by Python 2.5!
try:
    print 5 / 0
except ZeroDivisionError:
    print "foomsg"

try:
    try:
        f = open('testTryExcept.py')
        s = f.readline()
        i = int(s.strip())
    except IOError, (errno, strerror):
        print "I/O error(%s): %s" % (errno, strerror)
    except ValueError:
        print "Could not convert data to an integer."
    except:
        print "Unexpected error:", sys.exc_info()[0]
        raise
    else:
        print "it works"
    
finally:
    close(f)
    print "foo"