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� . ^c @ s� d d l Z d d l Z d d l 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 m Z d d d d g Z d d d � � YZ d � Z d d d � Z d d � Z d � Z e � d S( i����N( t StrictVersioni ( t Bytecode( t find_modulet PY_COMPILEDt PY_FROZENt PY_SOURCE( t py27compatt RequireR t get_module_constantt extract_constantc B sY e Z d Z d d d d � Z d � Z d � Z d d d � Z d d � Z d d � Z RS( s7 A prerequisite to building or installing a distributiont c C sn | d k r! | d k r! t } n | d k rQ | | � } | d k rQ d } qQ n | j j t � � | ` d S( Nt __version__( t NoneR t __dict__t updatet localst self( R t namet requested_versiont modulet homepaget attributet format( ( s6 /usr/lib/python2.7/dist-packages/setuptools/depends.pyt __init__ s c C s* | j d k r# d | j | j f S| j S( s0 Return full package/distribution name, w/versions %s-%sN( R R R ( R ( ( s6 /usr/lib/python2.7/dist-packages/setuptools/depends.pyt full_name# s c C s= | j d k p< | j d k p< t | � d k o< | | j k S( s% Is 'version' sufficiently up-to-date?t unknownN( R R R t strR ( R t version( ( s6 /usr/lib/python2.7/dist-packages/setuptools/depends.pyt version_ok) s R c C s� | j d k r] y6 t | j | � \ } } } | r@ | j � n | SWq] t k rY d SXn t | j | j | | � } | d k r� | | k r� | j d k r� | j | � S| S( s� Get version number of installed module, 'None', or 'default' Search 'paths' for module. If not found, return 'None'. If found, return the extracted version attribute, or 'default' if no version attribute was specified, or the value cannot be determined without importing the module. The version is formatted according to the requirement's version format (if any), unless it is 'None' or the supplied 'default'. N( R R R R t closet ImportErrorR R ( R t pathst defaultt ft pt it v( ( s6 /usr/lib/python2.7/dist-packages/setuptools/depends.pyt get_version. s ' c C s | j | � d k S( s/ Return true if dependency is present on 'paths'N( R% R ( R R ( ( s6 /usr/lib/python2.7/dist-packages/setuptools/depends.pyt is_presentI s c C s, | j | � } | d k r t S| j | � S( s> Return true if dependency is present and up-to-date on 'paths'N( R% R t FalseR ( R R R ( ( s6 /usr/lib/python2.7/dist-packages/setuptools/depends.pyt is_currentM s N( t __name__t __module__t __doc__R R R R R% R& R( ( ( ( s6 /usr/lib/python2.7/dist-packages/setuptools/depends.pyR s c C s, t j d � � } | s | � St j | � S( Nc s s d Vd S( N( ( ( ( s6 /usr/lib/python2.7/dist-packages/setuptools/depends.pyt emptyV s ( t contextlibt contextmanagert closing( R! R, ( ( s6 /usr/lib/python2.7/dist-packages/setuptools/depends.pyt maybe_closeU s c C s� y) t | | � \ } } \ } } } } Wn t k r= d SXt | � �� | t k rv | j d � t j | � } nm | t k r� t j | | � } nL | t k r� t | j � | d � } n% t j | | | � } t | | d � SWd QXt | | | � S( s� Find 'module' by searching 'paths', and extract 'symbol' Return 'None' if 'module' does not exist on 'paths', or it does not define 'symbol'. If the module defines 'symbol' as a constant, return the constant. Otherwise, return 'default'.i t execN( R R R R0 R t readt marshalt loadR R t get_frozen_objectR t compilet get_modulet getattrR ( R t symbolR R R! t patht suffixt modet kindt infot codet imported( ( s6 /usr/lib/python2.7/dist-packages/setuptools/depends.pyR ` s ) c C s� | | j k r d St | j � j | � } d } d } d } | } xp t | � D]b } | j } | j } | | k r� | j | } qP | | k r� | | k s� | | k r� | S| } qP Wd S( s Extract the constant value of 'symbol' from 'code' If the name 'symbol' is bound to a constant value by the Python code object 'code', return that value. If 'symbol' is bound to an expression, return 'default'. Otherwise, return 'None'. Return value is based on the first assignment to 'symbol'. 'symbol' must be a global, or at least a non-"fast" local in the code block. That is, only 'STORE_NAME' and 'STORE_GLOBAL' opcodes are checked, and 'symbol' must be present in 'code.co_names'. iZ ia id N( t co_namesR t listt indexR t opcodet argt co_consts( R? R9 R t name_idxt STORE_NAMEt STORE_GLOBALt LOAD_CONSTt constt byte_codet opRE ( ( s6 /usr/lib/python2.7/dist-packages/setuptools/depends.pyR } s $c C sX t j j d � r& t j d k r& d Sd } x% | D] } t � | =t j | � q3 Wd S( s� Patch the globals to remove the objects not available on some platforms. XXX it'd be better to test assertions about bytecode instead. t javat cliNR R ( R R ( t syst platformt startswitht globalst __all__t remove( t incompatibleR ( ( s6 /usr/lib/python2.7/dist-packages/setuptools/depends.pyt _update_globals� s " ( ( RP R3 R- t distutils.versionR t py33compatR R R R R R R RT R R0 R R R RW ( ( ( s6 /usr/lib/python2.7/dist-packages/setuptools/depends.pyt <module> s "D $