220.127.116.11 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:
Given an option string such as -q or
--verbose, returns true if the OptionParser
has an option with that option string.
Returns the Option instance that implements the option
string you supplied, or
None if no options implement it.
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
If opt_str does not occur in any option belonging to this
OptionParser, raises ValueError.
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