UNDEFINED = object()
def divide_json(path):
handle = open(path, 'r+')
try:
data = handle.read()
op = json.load(data)
value = (op['numerator'], op['denominator'])
except ZeroDivisionError as e:
return UNDEFINED
else:
op['result'] = value
result = json.dumps(op)
handle.seek(0)
handle.write(result)
return value
finally:
handle.close()
【Python】一个try/except/else/finally 组合使用的例子
“年轻时,我没受过多少系统教育,但什么书都读。读得最多的是诗,包括烂诗,我坚信烂诗早晚会让我邂逅好诗。”
by. 马尔克斯