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Does a little special handling for certain types of options (lists).�globalN� store_true� store_false�countr c s% g | ] } � j � � | � � q Sr )rv )r? �v)rs r r r r rB � s z6ConfigOptionParser.update_defaults.<locals>.<listcomp>)z store_truez store_falsezcount) r\ �update�normalize_keys�get_config_section�get_environ_vars�items� get_option�actionr rC rv r# )r rL r^ �sectionrt r )rs r r r rK � s" # "z"ConfigOptionParser.update_defaultsc C sY i } xL | D]D \ } } | j d d � } | j d � sG d | } n | | | <q W| S)z�Return a config dictionary with normalized keys regardless of whether the keys were specified in environment variables or in config files�_�-z--z--%s)�replace� startswith)r r� � normalizedrs rt r r r r} � s z!ConfigOptionParser.normalize_keysc C s& | j j | � r" | j j | � Sg S)z Get a section of a configuration)r^ � has_sectionr� )r r\ r r r r~ � s z%ConfigOptionParser.get_config_section�PIP_c c sS xL t j j � D]; \ } } | j | � r | j | d � j � | f Vq q Wd S)z@Returns a generator with all environmental vars with prefix PIP_r N)re rf r� r� r� r$ )r �prefixrs rt r r r r � s z#ConfigOptionParser.get_environ_varsc C s� | j s t j | j � S| j | j j � � } x] | j � D]O } | j | j � } t | t � r> | j � } | j | | � | | j <q> q> Wt j | � S)z�Overridding to make updating the defaults after instantiation of the option parser possible, update_defaults() does the dirty work.) �process_default_valuesr �ValuesrL rK �copy�_get_all_optionsrg r# � isinstancer �get_opt_stringrm )r rL r �default�opt_strr r r �get_default_values� s z%ConfigOptionParser.get_default_valuesc C s( | j t j � | j d d | � d S)Nr z%s )� print_usagero �stderrrr )r r0 r r r �error� s zConfigOptionParser.errorN) rF rG rH rI r r_ rv rK r} r~ r r� r� r r r r r[ } s r[ )rI ro r re r- �distutils.utilr Zpip.backwardcompatr r � pip.locationsr �pip.utilr r � pip._vendorr r r rJ rc rN r[ r r r r �<module> s O
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