我想正确的CTRL +Ç在我的脚本处理,我一直在阅读一些例子,但我无法实现确定性的行为。 例如,给出以下脚本:的Python 2.7 CTRL + C undeterministic行为
1 import signal
2 import time
3
4 def sigint_handler(signum, frame):
5 raise Exception('captured ctrl+c')
6
7 signal.signal(signal.SIGINT, sigint_handler)
8
9 c = True
10 while c:
11 try:
12 pass
13 except KeyboardInterrupt as e:
14 print 'captured keyboardexception'
15 print str(e)
16 except Exception as e:
17 print 'captured exception'
18 print str(e)
19 c = False
我能得到这两个不同的输出
$ python ctrlc.py
^Ccaptured exception
captured ctrl+c
$ python ctrlc.py
^CTraceback (most recent call last):
File "ctrlc.py", line 12, in <module>
pass
File "ctrlc.py", line 5, in sigint_handler
raise Exception('captured ctrl+c')
Exception: captured ctrl+c
我已经尝试了不同的configs,也有双异常处理和未经处理的信号,但你总能得到不同beahaviours打CTRL +ç
你运行在什么平台? –