14.3.3.8 Querying and manipulating your option parser
Sometimes, it's useful to poke around your option parser and see what's
there. OptionParser provides a couple of methods to help you out:
has_option(opt_str)- Return true if the OptionParser has an option with
option string
opt_str (e.g., "-q" or "-verbose").
get_option(opt_str)- Returns the Option instance with the option string
opt_str, or
None if no options have that option string.
remove_option(opt_str)- If the OptionParser has an option corresponding to
opt_str,
that option is removed. If that option provided any other
option strings, all of those option strings become invalid.
If opt_str does not occur in any option belonging to this
OptionParser, raises ValueError.
Release 2.5, documentation updated on 19th September, 2006.
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