pexpect regex help

[amadain]

On Feb 23, 8:53 am, "amadain" <mfmdev... at gmail.com> wrote:
> On Feb 23, 8:46 am, "amadain" <mfmdev... at gmail.com> wrote:
>
>
>
> > On Feb 21, 11:15 pm, jonathan.s... at gmail.com wrote:
>
> > > On Feb 21, 6:13 pm, jonathan.s... at gmail.com wrote:
>
> > > > I have apexpectscript to walk through a cisco terminal server and I
> > > > was hoping to get some help with this regex because I really suck at
> > > > it.
>
> > > > This is the code:
>
> > > >         index = s.expect(['login: ',pexpect.EOF,pexpect.TIMEOUT])
> > > >         if index == 0:
> > > >             m = re.search('((#.+\r\n){20,25})(\s.*)',
> > > > s.before)                  #<---------- MY PROBLEM
> > > >             print m.group(3),
> > > >             print ' %s %s' % (ip[0], port)
> > > >             s.send(chr(30))
> > > >             s.sendline('x')
> > > >             s.sendline('disco')
> > > >             s.sendline('\n')
> > > >         elif index == 1:
> > > >             print s.before
> > > >         elif index == 2:
> > > >             print
> > > >             print '%s %s FAILED' % (ip[0], port)
> > > >             print 'This host may be down or locked on the TS'
> > > >             s.send(chr(30))
> > > >             s.sendline('x')
> > > >             s.sendline('disco')
> > > >             s.sendline('\n')
>
> > > > This is attempting to match the hostname of the connected host using
> > > > the output of a motd file which unfortunately is not the same
> > > > everywhere...  It looks like this:
>
> > > > #########################################################################
> > > > #       This system is the property
> > > > of:                                 #
> > > > #
> > > > #
> > > > #                DefNet
> > > > #
> > > > #
> > > > #
> > > > #       Use of this system is for authorized users
> > > > only.                #
> > > > #       Individuals using this computer system without authority, or
> > > > in #
> > > > #       excess of their authority, are subject to having all of
> > > > their   #
> > > > #       activities on this system monitored and recorded by
> > > > system      #
> > > > #
> > > > personnel.                                                      #
> > > > #
> > > > #
> > > > #       In the course of monitoring individuals improperly using
> > > > this   #
> > > > #       system, or in the course of system maintenance, the
> > > > activities  #
> > > > #       of authorized users may also be
> > > > monitored.                      #
> > > > #
> > > > #
> > > > #       Anyone using this system expressly consents to such
> > > > monitoring  #
> > > > #       and is advised that if such monitoring reveals
> > > > possible         #
> > > > #       evidence of criminal activity, system personnel may provide
> > > > the #
> > > > #       evidence of such monitoring to law enforcement
> > > > officials.       #
> > > > #########################################################################
>
> > > > pa-chi1 console login:
>
> > > > And sometimes it looks like this:
>
> > > > #########################################################################
> > > > #       This system is the property
> > > > of:                                 #
> > > > #
> > > > #
> > > > #                DefNet
> > > > #
> > > > #
> > > > #
> > > > #       Use of this system is for authorized users
> > > > only.                #
> > > > #       Individuals using this computer system without authority, or
> > > > in #
> > > > #       excess of their authority, are subject to having all of
> > > > their   #
> > > > #       activities on this system monitored and recorded by
> > > > system      #
> > > > #
> > > > personnel.                                                      #
> > > > #
> > > > #
> > > > #       In the course of monitoring individuals improperly using
> > > > this   #
> > > > #       system, or in the course of system maintenance, the
> > > > activities  #
> > > > #       of authorized users may also be
> > > > monitored.                      #
> > > > #
> > > > #
> > > > #       Anyone using this system expressly consents to such
> > > > monitoring  #
> > > > #       and is advised that if such monitoring reveals
> > > > possible         #
> > > > #       evidence of criminal activity, system personnel may provide
> > > > the #
> > > > #       evidence of such monitoring to law enforcement
> > > > officials.       #
> > > > #########################################################################
> > > > pa11-chi1 login:
>
> > > > The second one works and it will print out pa11-chi1  but when there
> > > > is a space or console is in the output it wont print anything or it
> > > > wont match anything...    I want to be able to match just the hostname
> > > > and print it out.
>
> > > > Any ideas?
>
> > > > Thanks,
>
> > > > Jonathan
>
> > > It is also posted here more clearly and formatted as it would appear
> > > on the terminal:  http://www.pastebin.ca/366822
>
> > what about using s.before.split("\r\n")[-1]?
>
> > A
>
> result=[x for x in s.before.split("\r\n") if x != ""]
> print result[-1]
>
> should cover the blank line problem
>
> A



sorry I just read that you are not matching sometimes. Try expecting
for "ogin:" (without the first letter and trailing space). There could
be no space after login: or there could be \t (tab).

A