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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
sB $Id: fancy_getopt.py 60923 2008-02-21 18:18:37Z guido.van.rossum $iÿÿÿÿN( t *s [a-zA-Z](?:[a-zA-Z0-9-]*)s ^%s$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
c C sv | | _ h | _ | i o | i ƒ n h | _ h | _ g | _ g | _ h | _ h | _ h | _ g | _
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c C s | | _ | i ƒ d S( N( R R ( R R ( ( s. /usr/lib64/python2.6/distutils/fancy_getopt.pyt set_option_table_ s c C sQ | | i j o t d | ‚ n- | | | f } | i i | ƒ | | i | <d S( Ns' option conflict: already an option '%s'( R t DistutilsGetoptErrorR t append( R t long_optiont short_optiont help_stringR ( ( s. /usr/lib64/python2.6/distutils/fancy_getopt.pyt
add_optionc s c C s
| | i j S( sc Return true if the option table for this parser has an
option with long name 'long_option'.( R ( R R ( ( s. /usr/lib64/python2.6/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
has as an attribute of some object: ie., translate hyphens
to underscores.( t stringt translatet
longopt_xlate( R R ( ( s. /usr/lib64/python2.6/distutils/fancy_getopt.pyt
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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 ( ( s. /usr/lib64/python2.6/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 ( ( s. /usr/lib64/python2.6/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.
i i i s invalid option tuple: %ri s9 invalid long option '%s': must be a string of length >= 2i s: invalid short option '%s': must a single character or Noneiÿÿÿÿt =t :s> invalid negative alias '%s': aliased option '%s' takes a valuesg invalid alias '%s': inconsistent with aliased option '%s' (one of them takes a value, the other doesn'ts invalid long option name '%s' s' (must be letters, numbers, hyphens onlyN( R
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StringTypeR t NoneR R
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| ƒ | i i | | f ƒ q W| o | | f S| 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.
i i i R N( R- t syst argvt OptionDummyR5 R t joinR t getoptR
t errort DistutilsArgErrorR) R R R. R
R R R( t getattrt setattrR R ( R t argst objectt created_objectR t optst msgR" t valR t attr( ( s. /usr/lib64/python2.6/distutils/fancy_getopt.pyR: ë sD
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c C s( | i d j o
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 ( ( s. /usr/lib64/python2.6/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 R1 R2 t lt opt_widtht
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print_helpŠ s
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__module__t __doc__R- R R R R R R R# R$ R% R5 R: RG RT RY ( ( ( s. /usr/lib64/python2.6/distutils/fancy_getopt.pyR " s
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g } d } x{ | os t | d ƒ } | | | j o& | i | d ƒ | d =| | } qŽ | o | d d d j o | d =n PqŽ W| o_ | d j o. | i | d d | !ƒ | d | | d <n | d d d j o | d =qon | i t i
| d ƒ ƒ qx 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.
s ( +|-+)i iÿÿÿÿRH t N( R- R) R t
expandtabsR t WS_TRANSt ret splitt filterR R9 ( RR t widtht chunksRQ t cur_linet cur_lenRL ( ( s. /usr/lib64/python2.6/distutils/fancy_getopt.pyRI › 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" ( ( s. /usr/lib64/python2.6/distutils/fancy_getopt.pyt translate_longoptØ s R8 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" ( ( s. /usr/lib64/python2.6/distutils/fancy_getopt.pyR ã s ( RZ R[ R\ R ( ( ( s. /usr/lib64/python2.6/distutils/fancy_getopt.pyR8 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
i i i( s width: %ds
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