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Wrapper around the standard getopt module that provides the following
additional features:
* short and long options are tied together
* options have help strings, so fancy_getopt could potentially
create a complete usage summary
* options set attributes of a passed-in object
s8 $Id: fancy_getopt.py 37828 2004-11-10 22:23:15Z loewis $iÿÿÿÿN( t *s [a-zA-Z](?:[a-zA-Z0-9-]*)s ^%s$s ^(%s)=!(%s)$t -t _t FancyGetoptc B s¤ e Z d Z d d „ Z d „ Z d „ Z d d d „ Z d „ Z d „ Z d „ Z
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„ Z d d d „ Z RS( sÕ Wrapper around the standard 'getopt()' module that provides some
handy extra functionality:
* short and long options are tied together
* options have help strings, and help text can be assembled
from them
* options set attributes of a passed-in object
* boolean options can have "negative aliases" -- eg. if
--quiet is the "negative alias" of --verbose, then "--quiet"
on the command line sets 'verbose' to false
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add_optionc s c C s | i i | ƒ S( sc Return true if the option table for this parser has an
option with long name 'long_option'.( R R ( R R ( ( s2 /usr/local/lib/python2.5/distutils/fancy_getopt.pyt
has_optionm s c C s t i | t ƒ S( s’ Translate long option name 'long_option' to the form it
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c C s | i | d ƒ | | _ d S( s' Set the aliases for this option parser.R N( R$ R ( R R ( ( s2 /usr/local/lib/python2.5/distutils/fancy_getopt.pyt set_aliases… s c C s | i | d ƒ | | _ d S( sÚ Set the negative aliases for this option parser.
'negative_alias' should be a dictionary mapping option names to
option names, both the key and value must already be defined
in the option table.s negative aliasN( R$ R ( R R ( ( s2 /usr/local/lib/python2.5/distutils/fancy_getopt.pyt set_negative_aliasesŠ s c C s¬ g | _ g | _ | i i ƒ h | _ x}| i D]r} t | ƒ d j o | \ } } } d } n: t | ƒ d j o | \ } } } } n t d | f ‚ t | ƒ t j p t | ƒ d j o t
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d d | ‚ n | i | ƒ | i | <| o% | i i | ƒ | | i | d <q2 q2 Wd S( s Populate the various data structures that keep tabs on the
option table. Called by 'getopt()' before it can do anything
worthwhile.
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| ƒ | i i | | f ƒ q W| o | | f Sn | Sd S( s Parse command-line options in args. Store as attributes on object.
If 'args' is None or not supplied, uses 'sys.argv[1:]'. If
'object' is None or not supplied, creates a new OptionDummy
object, stores option values there, and returns a tuple (args,
object). If 'object' is supplied, it is modified in place and
'getopt()' just returns 'args'; in both cases, the returned
'args' is a modified copy of the passed-in 'args' list, which
is left untouched.
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t d ‚ n | i Sd S( s« Returns the list of (option, value) tuples processed by the
previous run of 'getopt()'. Raises RuntimeError if
'getopt()' hasn't been called yet.
s! 'getopt()' hasn't been called yetN( R R. t RuntimeError( R ( ( s2 /usr/local/lib/python2.5/distutils/fancy_getopt.pyt get_option_order+ s
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| ƒ qÎWqÞ W| S( sŒ Generate help text (a list of strings, one per suggested line of
output) from the option table for this FancyGetopt object.
i i iÿÿÿÿR' i i iN t s Option summary:i s --%-*s %ss
--%-*s s %s (-%s)s --%-*sN( R R* R. t wrap_textR ( R t headert max_optR R2 R3 t lt opt_widtht
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| d ƒ ƒ q~ W| S( s¶ wrap_text(text : string, width : int) -> [string]
Split 'text' into multiple lines of no more than 'width' characters
each, and return the list of strings that results.
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expandtabsR t WS_TRANSt ret splitt filterR R: ( RS t widtht chunksRR t cur_linet cur_lenRM ( ( s2 /usr/local/lib/python2.5/distutils/fancy_getopt.pyRJ › s>
c C s t i | t ƒ S( sX Convert a long option name to a valid Python identifier by
changing "-" to "_".
( R R R ( R# ( ( s2 /usr/local/lib/python2.5/distutils/fancy_getopt.pyt translate_longoptØ s R9 c B s e Z d Z g d „ Z RS( s_ Dummy class just used as a place to hold command-line option
values as instance attributes.c C s% x | D] } t | | d ƒ q Wd S( sk Create a new OptionDummy instance. The attributes listed in
'options' will be initialized to None.N( R? R. ( R R^ R# ( ( s2 /usr/local/lib/python2.5/distutils/fancy_getopt.pyR ã s ( R[ R\ R] R ( ( ( s2 /usr/local/lib/python2.5/distutils/fancy_getopt.pyR9 ß s t __main__s¢ Tra-la-la, supercalifragilisticexpialidocious.
How *do* you spell that odd word, anyways?
(Someone ask Mary -- she'll know [or she'll
say, "How should I know?"].)i
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