ó
è¾bc           @   sO   d  Z  d d l m Z d d l m Z m Z m Z d e j f d „  ƒ  YZ d S(   s7  
Fixer that changes zip(seq0, seq1, ...) into list(zip(seq0, seq1, ...)
unless there exists a 'from future_builtins import zip' statement in the
top-level namespace.

We avoid the transformation if the zip() call is directly contained in
iter(<>), list(<>), tuple(<>), sorted(<>), ...join(<>), or for V in <>:.
i   (   t
   fixer_base(   t   Namet   Callt   in_special_contextt   FixZipc           B   s#   e  Z e Z d  Z d Z d „  Z RS(   s:   
    power< 'zip' args=trailer< '(' [any] ')' >
    >
    s   future_builtins.zipc         C   s`   |  j  | ƒ r d  St | ƒ r# d  S| j ƒ  } d | _ t t d ƒ | g ƒ } | j | _ | S(   Nu    u   list(   t   should_skipR   t   Nonet   clonet   prefixR   R   (   t   selft   nodet   resultst   new(    (    s+   /usr/lib/python2.7/lib2to3/fixes/fix_zip.pyt	   transform   s    	(   t   __name__t
   __module__t   Truet   BM_compatiblet   PATTERNt   skip_onR   (    (    (    s+   /usr/lib/python2.7/lib2to3/fixes/fix_zip.pyR      s   N(	   t   __doc__t    R    t
   fixer_utilR   R   R   t   ConditionalFixR   (    (    (    s+   /usr/lib/python2.7/lib2to3/fixes/fix_zip.pyt   <module>   s   