Solve possible UnboundLocalError. #2
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Happened to me (see below). I know handling this case could be done different (stop/return after closing the socket probably), but my insight to the possible consequences is limited so i opted for the obvious solution to declare "bytes_written" ...
Traceback (most recent call last):
File "/usr/bin/parallel-ssh", line 119, in <module>
do_pssh(hosts, cmdline, opts)
File "/usr/bin/parallel-ssh", line 110, in do_pssh
manager.run()
File "/usr/lib/pymodules/python2.6/psshlib/manager.py", line 67, in run
self.iomap.poll(wait)
File "/usr/lib/pymodules/python2.6/psshlib/manager.py", line 242, in poll
handler(fd, self)
File "/usr/lib/pymodules/python2.6/psshlib/askpass_server.py", line 77, in handle_write
buffer = buffer[bytes_written:]
UnboundLocalError: local variable 'bytes_written' referenced before assignment
|
It seems to me that we should return at the end of the catch. But it is also good practice to declare variables before their use. |
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Happened to me (see below). I know handling this case could be done different (stop/return after closing the socket probably), but my insight to the possible consequences is limited so i opted for the obvious solution to declare "bytes_written" ...
Traceback (most recent call last):
File "/usr/bin/parallel-ssh", line 119, in
do_pssh(hosts, cmdline, opts)
File "/usr/bin/parallel-ssh", line 110, in do_pssh
manager.run()
File "/usr/lib/pymodules/python2.6/psshlib/manager.py", line 67, in run
self.iomap.poll(wait)
File "/usr/lib/pymodules/python2.6/psshlib/manager.py", line 242, in poll
handler(fd, self)
File "/usr/lib/pymodules/python2.6/psshlib/askpass_server.py", line 77, in handle_write
buffer = buffer[bytes_written:]
UnboundLocalError: local variable 'bytes_written' referenced before assignment