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52 lines
2.9 KiB
Plaintext
52 lines
2.9 KiB
Plaintext
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<03>
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<EFBFBD>W`Sc @ su d Z d d l m Z d d l m Z d d l m Z m Z m Z m Z d d l
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m Z d e j
f d <00> <00> YZ d S( s Fixer that changes map(F, ...) into list(map(F, ...)) unless there
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exists a 'from future_builtins import map' statement in the top-level
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namespace.
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As a special case, map(None, X) is changed into list(X). (This is
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necessary because the semantics are changed in this case -- the new
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map(None, X) is equivalent to [(x,) for x in X].)
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We avoid the transformation (except for the special case mentioned
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above) if the map() call is directly contained in iter(<>), list(<>),
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tuple(<>), sorted(<>), ...join(<>), or for V in <>:.
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NOTE: This is still not correct if the original code was depending on
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map(F, X, Y, ...) to go on until the longest argument is exhausted,
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substituting None for missing values -- like zip(), it now stops as
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soon as the shortest argument is exhausted.
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i ( t token( t
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fixer_base( t Namet Callt ListCompt in_special_context( t python_symbolst FixMapc B s# e Z e Z d Z d Z d <00> Z RS( s<>
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map_none=power<
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'map'
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trailer< '(' arglist< 'None' ',' arg=any [','] > ')' >
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>
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map_lambda=power<
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'map'
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trailer<
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'('
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arglist<
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lambdef< 'lambda'
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(fp=NAME | vfpdef< '(' fp=NAME ')'> ) ':' xp=any
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>
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','
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it=any
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>
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')'
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>
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>
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power<
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'map' trailer< '(' [arglist=any] ')' >
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>
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s future_builtins.mapc C s<> | j | <00> r d S| j j t j k rh | j | d <00> | j <00> } d | _ t t d <00> | g <00> } n d | k r<> t
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| d j <00> | d j <00> | d j <00> <00> } n<> d | k r<> | d j <00> } n<> d
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} | j t j k r4| j d j t
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<00> d Sn t | <00> rDd S| j <00> } d | _ t t d <00> | g <00> } | j | _ | S( Ns You should use a for loop hereu u listt
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map_lambdat xpt fpt itt map_nonet argt arglisti t Nonesj cannot convert map(None, ...) with multiple arguments because map() now truncates to the shortest sequence( t should_skipt parentt typet symst simple_stmtt warningt clonet prefixR R R R t childrenR t NAMEt valueR R ( t selft nodet resultst newt args( ( s .\Lib\lib2to3\fixes\fix_map.pyt transform; s6
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( t __name__t
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__module__t Truet
BM_compatiblet PATTERNt skip_onR ( ( ( s .\Lib\lib2to3\fixes\fix_map.pyR s N( t __doc__t pgen2R t R t
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fixer_utilR R R R t pygramR R t ConditionalFixR ( ( ( s .\Lib\lib2to3\fixes\fix_map.pyt <module> s
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"
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