parse date/time from a log entry with only strftime (and no regexen)

[andrew cooke]

> > ValueError: unconverted data remains:  this is the remainder of the log  
> > line
> > that I do not care about

you could catch the ValueError and split at the ':' in the .args
attribute to find the extra data.  you could then find the extra data
in the original string, use the index to remove it, and re-parse the
time.

ugly, but should work.
andrew