Lc @ sS d Z d Z d d k Z d d k Z d d k Z d d k Td d k Z d d k Td Z e i d e Z
e i d e e f Z e i d d Z
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e e i Z d Z d Z d f d YZ e d j oK d Z x> d d d d f D]* Z d e GHe i e e e d GHHq Wn d S( s6 distutils.fancy_getopt
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 $iN( t *s [a-zA-Z](?:[a-zA-Z0-9-]*)s ^%s$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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d d d Z d Z d d
Z d d d Z RS( s 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 n h | _ h | _ g | _ g | _ h | _ h | _ h | _ g | _
d S( N( t option_tablet option_indext _build_indext aliast negative_aliast
short_optst long_optst
short2longt attr_namet takes_argt option_order( t selfR ( ( s, /usr/lib/python2.6/distutils/fancy_getopt.pyt __init__. s
c C s6 | i i x" | i D] } | | i | d <q Wd S( Ni ( R t clearR ( R t option( ( s, /usr/lib/python2.6/distutils/fancy_getopt.pyR Z s
c C s | | _ | i d S( N( R R ( R R ( ( s, /usr/lib/python2.6/distutils/fancy_getopt.pyt set_option_table_ s c C sQ | | i j o t d | n- | | | f } | i i | | | 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/lib/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/lib/python2.6/distutils/fancy_getopt.pyt
has_optionm s c C s t i | t 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/lib/python2.6/distutils/fancy_getopt.pyt
get_attr_namer s c C s t | t j p t xn | i D]` \ } } | | i j o t d | | | f n | | i j o t d | | | f q' q' Wd S( Ns( invalid %s '%s': option '%s' not defineds0 invalid %s '%s': aliased option '%s' not defined( t typet DictionaryTypet AssertionErrort itemsR R ( R t aliasest whatR t opt( ( s, /usr/lib/python2.6/distutils/fancy_getopt.pyt _check_alias_dicty s
c C s | i | d | | _ d S( s' Set the aliases for this option parser.R N( R& R ( R R ( ( s, /usr/lib/python2.6/distutils/fancy_getopt.pyt set_aliases s c C s | i | d | | _ d S( s 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/lib/python2.6/distutils/fancy_getopt.pyt set_negative_aliases s c C s g | _ g | _ | i i h | _ x}| i D]r} t | d j o | \ } } } d } n: t | d j o | \ } } } } n t d | f t | t j p t | d j o t
d | n | d j p# t | t j o t | d j p t
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d d | n | i | | i | <| o% | i i | | | 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 Noneit =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
R R R t repeatR t lent
ValueErrorR t
StringTypeR t NoneR R
R t getR t
longopt_ret matchR R ( R R t longt shortt helpR+ t alias_to( ( s, /usr/lib/python2.6/distutils/fancy_getopt.pyt _grok_option_table sf
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| | i i | | f 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 s --t s boolean option can't have valueN( R/ t syst argvt OptionDummyR7 R t joinR t getoptR
t errort DistutilsArgErrorR, R R! R R0 R
R R R+ t getattrt setattrR R ( R t argst objectt created_objectR t optst msgR% t valR t attr( ( s, /usr/lib/python2.6/distutils/fancy_getopt.pyR= sH
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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/lib/python2.6/distutils/fancy_getopt.pyt get_option_order+ s
c C s d } x | i D]w } | d } | d } t | } | d d j o | d } n | d j o | d } n | | j o
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| qWq W| S( s Generate help text (a list of strings, one per suggested line of
output) from the option table for this FancyGetopt object.
i i iR) 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 R3 R4 t lt opt_widtht
line_widtht
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generate_help6 sL
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( R/ R9 t stdoutRW t write( R RM t filet line( ( s, /usr/lib/python2.6/distutils/fancy_getopt.pyt
print_help s
N( t __name__t
__module__t __doc__R/ R R R R R R R& R' R( R7 R= RJ RW R\ ( ( ( s, /usr/lib/python2.6/distutils/fancy_getopt.pyR " s
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X@ Tc C s) t | } | i | | i | | S( N( R R( R= ( t optionst negative_optRC RB t parser( ( s, /usr/lib/python2.6/distutils/fancy_getopt.pyt fancy_getopt s
RK c C s | d j o g St | | j o | g St i | } t i | t } t i d | } t d | } g } x| o
g } d } x{ | os t | d } | | | j o& | i | d | d =| | } q | o | d d d j o | d =n Pq W| o_ | d j o. | i | d d | ! | d | | d <n | d d d j o | d =qon | i t i
| d 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 iRK R8 N( R/ R, R t
expandtabsR t WS_TRANSt ret splitt filterR R< ( RU t widtht chunksRT t cur_linet cur_lenRO ( ( s, /usr/lib/python2.6/distutils/fancy_getopt.pyRL s>
c C s t i | t S( sX Convert a long option name to a valid Python identifier by
changing "-" to "_".
( R R R ( R% ( ( s, /usr/lib/python2.6/distutils/fancy_getopt.pyt translate_longopt s R; 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 q Wd S( sk Create a new OptionDummy instance. The attributes listed in
'options' will be initialized to None.N( RA R/ ( R R` R% ( ( s, /usr/lib/python2.6/distutils/fancy_getopt.pyR s ( R] R^ R_ R ( ( ( s, /usr/lib/python2.6/distutils/fancy_getopt.pyR; 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
( R_ t __revision__R9 R Rf t typesR= t distutils.errorst longopt_patt compileR1 t neg_alias_ret maketransR R Rc t
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