next line (data parsing)

[robleachza at gmail.com]

Hi there,
I'm struggling to find a sensible way to process a large chuck of
data--line by line, but also having the ability to move to subsequent
'next' lines within a for loop. I was hoping someone would be willing
to share some insights to help point me in the right direction. This
is not a file, so any file modules or methods available for files
parsing wouldn't apply.

I run a command on a remote host by using the pexpect (pxssh) module.
I get the result back which are pages and pages of pre-formatted text.
This is a pared down example (some will notice it's tivoli schedule
output).

...
            Job Name                                     Run Time
Pri     Start Time Dependencies
Schedule HOST          #ALL_LETTERS    (    )           00:01
10   22:00(01/16/08) LTR_CLEANUP

(SITE1          LTR_DB_LETTER                         00:01
10
                  Total                                    00:01

Schedule HOST          #DAILY  (    )           00:44      10
18:00(01/16/08) DAILY_LTR

(SITE3          RUN_LTR14_PROC              00:20
10
(SITE1          LTR14A_WRAPPER              00:06
10                 SITE3#RUN_LTR14_PROC
(SITE1          LTR14B_WRAPPER              00:04
10                 SITE1#LTR14A_WRAPPER
(SITE1          LTR14C_WRAPPER              00:03
10                 SITE1#LTR14B_WRAPPER
(SITE1          LTR14D_WRAPPER              00:02
10                 SITE1#LTR14C_WRAPPER
(SITE1          LTR14E_WRAPPER              00:01
10                 SITE1#LTR14D_WRAPPER
(SITE1          LTR14F_WRAPPER              00:03
10                 SITE1#LTR14E_WRAPPER
(SITE1          LTR14G_WRAPPER              00:03
10                 SITE1#LTR14F_WRAPPER
(SITE1          LTR14H_WRAPPER              00:02
10                 SITE1#LTR14G_WRAPPER
                  Total                                    00:44

Schedule HOST          #CARDS    (    )           00:02      10
20:30(01/16/08) STR2_D

(SITE7          DAILY_MEETING_FILE            00:01
10
(SITE3          BEHAVE_HALT_FILE          00:01
10                  SITE7#DAILY_HOME_FILE
                  Total                                    00:02
...

I can iterate over each line by setting a for loop on the data object;
no problem. But basically my intension is to locate the line "Schedule
HOST" and progressively move on to the 'next' line, parsing out the
pieces I care about, until I then hit "Total", then I resume to the
start of the for loop which locates the next "Schedule HOST".

I realize this is a really basic problem, but I can't seem to
articulate my intension well enough to find documentation or examples
that have been helpful to me. I bought the Python cookbook yesterday
which has gotten me a lot further in some areas, but still hasn't
given me what I'm looking for. This is just a pet project to help me
reduce some of the tedious aspects of my daily tasks, so I've been
using this as means to discover Python. I appreciate any insights that
would help set me in the right direction.

Cheers,
-Rob