1
我只是想建立一个脚本从基于UNIX的设备获取一些输出,在这里你可以找到我的代码:的Python Pexpect的 - TIMEOUT
import pexpect
import time,sys, traceback, os
telconn = pexpect.spawn('telnet 192.168.1.1')
telconn.logfile = sys.stdout
telconn.expect("Enter Choice>")
telconn.send("tacl" + "\r")
telconn.expect("TACL 1>")
telconn.send("logon node.mgr" + "\r")
telconn.expect("Password:")
telconn.send("psw" + "\r")
telconn.expect('$SYSTEM NODEMGR 1>')
telconn.send("osh" + "\r")
其实它正常工作,直到它检索旗帜(我不,如果它可能是问题)和旁边cli
提示,在这里你可以看看输出:
python try.py
Trying 192.168.1.1...
Connected to 192.168.1.1.
Escape character is '^]'.
Available Services:
TACL EXIT
taclr Choice> tacl
logon node.mgrnode.mgr
Password: psw
Last Logon: 03 NOV 2015, 15:18
Last Unsuccessful Attempt: 03 NOV 2015, 15:17 Total Failures: 24
********************************************************************************November 3, 2015 15:51:57
********************************************************************************
This is a private system operated for XXX XXXXX
Authorization from XXX XXXXX management is required
for access to this system
Use by unauthorized persons is prohibited
********************************************************************************
********************************************************************************(Invoking $SYSTEM.NODEMGR.TACLCSTM)
Loaded from $SYSTEM.CBCLOCL.TACLMACS:
FI FN V SV P F H DS CD LS CAT QUEUE FS PE SPE SP T SCPA SCPB SCPC SCPD
Current volume is $SYSTEM.NODEMGR
$SYSTEM NODEMGR 1> Traceback (most recent call last):
File "try.py", line 22, in <module>
telconn.expect('$SYSTEM NODEMGR 1>')
File "/usr/lib/python2.7/dist-packages/pexpect/__init__.py", line 1418, in expect
timeout, searchwindowsize)
File "/usr/lib/python2.7/dist-packages/pexpect/__init__.py", line 1433, in expect_list
timeout, searchwindowsize)
File "/usr/lib/python2.7/dist-packages/pexpect/__init__.py", line 1535, in expect_loop
raise TIMEOUT(str(err) + '\n' + str(self))
pexpect.TIMEOUT: Timeout exceeded.
<pexpect.spawn object at 0xb7259acc>
version: 3.1
command: /usr/bin/telnet
args: ['/usr/bin/telnet', '192.168.1.1']
searcher: <pexpect.searcher_re object at 0xb726f7ac>
buffer (last 100 chars): 'T QUEUE FS PE SPE SP T SCPA SCPB SCPC SCPD\r\n\r\nCurrent volume is $SYSTEM.NODEMGR\r\n$SYSTEM NODEMGR 1> '
before (last 100 chars): 'T QUEUE FS PE SPE SP T SCPA SCPB SCPC SCPD\r\n\r\nCurrent volume is $SYSTEM.NODEMGR\r\n$SYSTEM NODEMGR 1> '
after: <class 'pexpect.TIMEOUT'>
match: None
match_index: None
exitstatus: None
flag_eof: False
pid: 10135
child_fd: 3
closed: False
timeout: 30
delimiter: <class 'pexpect.EOF'>
logfile: <open file '<stdout>', mode 'w' at 0xb753e078>
logfile_read: None
logfile_send: None
maxread: 2000
ignorecase: False
searchwindowsize: None
delaybeforesend: 0.05
delayafterclose: 0.1
delayafterterminate: 0.1
正如你所看到的,最后提示我有是:
$SYSTEM NODEMGR 1>
之后,我得到了:Traceback (most recent call last):
任何人都可以帮助我在修复这个问题? 我想继续检索一些输出,但我坚持在这一点!
它的工作,非常感谢你,你可以帮我通过正则表达式匹配提示吗?我读过一些关于're'python的模块被导入的内容,但是我找不到有关命令等的其他内容。 – Loris91
我在正则表达式中吮吸,尽量避免它。当我需要使用它时,我总是使用我指出的教程作为参考:https://docs.python.org/2/howto/regex.html# –
@ Loris91:在适当的情况下,正则表达式非常有用。如果你知道正则表达式;你可能会发现自己每天都在使用它们(grep,search/replace)。我建议“掌握正则表达式”一书。 – jfs