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The dictionary will contain keys "op", "lhs" and "rhs" for non-terminals in the expression grammar, or strings. A string contained in quotes is to be interpreted as a literal string, and a string not contained in quotes is a variable (such as os_name). c S s� t j | � } | r8 | j � d } | | j � } nH| sM t d � � n3| d } | d k rv t d | � � n d j | d � } | d } | g } x� | r4| d | k r� Pq� | d | k r� | j | � | d } q� t j | � } | s t d | � � n | j | j � d � | | j � } q� Wd j | � } t d | � � | j | � d j | � } | d j � } | | f S( Ni s unexpected end of inputs '"s invalid expression: %st i s error in string literal: %ss unterminated string: %s( t IDENTIFIERt matcht groupst endt SyntaxErrort replacet appendt STRING_CHUNKt joint lstrip( t remainingt mt resultt qt oqt partst s( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt marker_varA s: c s� | rh | d d k rh � | d j � � \ } } | d d k rU t d | � � n | d j � } n� � | � \ } } xp | r� t j | � } | s� Pn | j � d } | | j � } � | � \ } } i | d 6| d 6| d 6} q} W| } | | f S( Ni t (i t )s unterminated parenthesis: %st opt lhst rhs( R" R t MARKER_OPR R R ( R# R% R. R$ R- R/ ( t markerR* ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt marker_expre s c s � | � \ } } x` | rt t j | � } | s4 Pn | | j � } � | � \ } } i d d 6| d 6| d 6} q W| | f S( Nt andR- R. R/ ( t ANDR R ( R# R. R$ R/ ( R2 ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt marker_andx s c s � | � \ } } x` | rt t j | � } | s4 Pn | | j � } � | � \ } } i d d 6| d 6| d 6} q W| | f S( Nt orR- R. R/ ( t ORR R ( R# R. R$ R/ ( R5 ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyR1 � s ( ( t marker_string( ( R1 R5 R2 R* s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt parse_marker8 s $ c C s? | j � } | s" | j d � r& d St j | � } | sN t d | � � n | j � d } | | j � } d } } } } | r�| d d k r�| j d d � } | d k r� t d | � � n | d | !} | | d j � } g } x� | r�t j | � } | s t d | � � n | j | j � d � | | j � } | sPPn | d d k rst d | � � n | d j � } q� W| s�d } q�n | r^| d d k rA| d j � } t j | � } | s�t d | � � n | j � d } t | � } | j o| j s(t d | � � n | | j � j � } q^d � } | d d k ro| | � \ } } q^| j d d � } | d k r�t d | � � n | d | !} | | d j � } t j | � r�| | � \ } } q^t j | � } | s t d | � � n | j � d } | | j � j � } | rLt d | � � n d | f g } n | r�| d d k r�t d | � � n | d j � } t | � \ } } n | r�| d d k r�t d | � � n | s�| } n0 d | d j g | D] } d | ^ q�� f } t d | d | d | d | d | d | � S( s� Parse a requirement passed in as a string. Return a Container whose attributes contain the various parts of the requirement. t #s name expected: %si t [t ]i s unterminated extra: %ss malformed extra: %st ,s comma expected in extras: %st @s invalid URI: %ss Invalid URL: %sc S s t j | � } d } | rg } x� t r� | j � d } | | j � } t j | � } | sr t d | � � n | j � d } | j | | f � | | j � } | s� | d d k r� Pn | d j � } t j | � } | s$ t d | � � q$ q$ W| sd } qn | | f S( s| Return a list of operator, version tuples if any are specified, else None. i s invalid version: %sR= i s invalid constraint: %sN( t COMPARE_OPR t Nonet TrueR R t VERSION_IDENTIFIERR R R" ( t ver_remainingR$ t versionsR- t v( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt get_versions� s, R+ R, s unterminated parenthesis: %ss invalid constraint: %ss ~=t ;s invalid requirement: %ss unexpected trailing data: %ss %s %ss , t namet extrast constraintsR1 t urlt requirementN( t stript startswithR@ R R R R R t findR" R t NON_SPACER t schemet netlocR? RB R9 R! R ( t reqR# R$ t distnameRI t mark_exprRD t urit iR) t tRF t _RE t rst con( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt parse_requirement� s� 0c C s� d � } i } x� | D]� \ } } } t j j | | � } x� t | � D]� } t j j | | � } x� t | � D]v } | | | � } | d k r� | j | d � qo | | | � } | j t j j d � j d � } | d | | | <qo WqG Wq W| S( s% Find destinations for resources filesc S s\ | j t j j d � } | j t j j d � } | j | � sE t � | t | � j d � S( Nt /( R t ost patht sepRN t AssertionErrort lenR" ( t rootR_ ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt get_rel_path s R] N( R^ R_ R! R R@ t popR R` t rstrip( t resources_roott rulesRd t destinationst baset suffixt destt prefixt abs_baset abs_globt abs_patht resource_filet rel_patht rel_dest( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt get_resources_dests s ! c C s: t t d � r t } n t j t t d t j � k } | S( Nt real_prefixt base_prefix( t hasattrt sysRA Rm t getattr( R% ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt in_venv$ s c C s7 t j j t j � } t | t � s3 t | � } n | S( N( R^ R_ t normcaseRx t executablet isinstanceR R ( R% ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt get_executable. s c C s� | } xw t r t | � } | } | r7 | r7 | } n | r | d j � } | | k r] Pn | r| d | | | f } q| q q W| S( Ni s %c: %s %s( RA R t lower( t promptt allowed_charst error_promptt defaultt pR) t c( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt proceed> s c C sV t | t � r | j � } n i } x+ | D]# } | | k r+ | | | | <q+ q+ W| S( N( R} R t split( t dt keysR% t key( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt extract_by_keyN s c C s� t j d d k r+ t j d � | � } n | j � } t | � } y� t j | � } | d d d } xo | j � D]a \ } } xR | j � D]D \ } } d | | f } t | � } | d k s� t � | | | <q� Wqt W| SWn! t k r| j d d � n Xd � } t j � } y | | | � WnF t j k rp| j � t j | � } t | � } | | | � n Xi } xz | j � D]l } i | | <} xU | j | � D]D \ } } d | | f } t | � } | d k s�t � | | | <q�Wq�W| S( Ni i s utf-8t extensionss python.exportst exportss %s = %sc S s0 t | d � r | j | � n | j | � d S( Nt read_file( Rw R� t readfp( t cpt stream( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt read_streamk s ( Rx t version_infot codecst getreadert readR t jsont loadt itemst get_export_entryR@ Ra t Exceptiont seekR t ConfigParsert MissingSectionHeaderErrort closet textwrapt dedentt sections( R� t datat jdataR% t groupt entriest kRE R) t entryR� R� R� RH t value( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt read_exportsW sD c C s� t j d d k r+ t j d � | � } n t j � } x� | j � D]� \ } } | j | � x� | j � D]u } | j d k r� | j } n d | j | j f } | j r� d | d j | j � f } n | j | | j | � qj WqD W| j | � d S( Ni i s utf-8s %s:%ss %s [%s]s , ( Rx R� R� t getwriterR R� R� t add_sectiont valuesRk R@ Rm t flagsR! t setRH t write( R� R� R� R� RE R� R) ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt write_exports� s c c s* t j � } z | VWd t j | � Xd S( N( t tempfilet mkdtempR t rmtree( t td( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt tempdir� s c c s7 t j � } z t j | � d VWd t j | � Xd S( N( R^ t getcwdt chdir( R� t cwd( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyR� � s i c c s7 t j � } z t j | � d VWd t j | � Xd S( N( t sockett getdefaulttimeoutt setdefaulttimeout( t secondst cto( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt socket_timeout� s t cached_propertyc B s e Z d � Z d d � Z RS( c C s | | _ d S( N( t func( t selfR� ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt __init__� s c C s< | d k r | S| j | � } t j | | j j | � | S( N( R@ R� t objectt __setattr__t __name__( R� t objt clsR� ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt __get__� s N( R� t __module__R� R@ R� ( ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyR� � s c C s� t j d k r | S| s | S| d d k r@ t d | � � n | d d k rc t d | � � n | j d � } x# t j | k r� | j t j � qu W| s� t j St j j | � S( s� Return 'pathname' as a name that will work on the native filesystem. The path is split on '/' and put back together again using the current directory separator. Needed because filenames in the setup script are always supplied in Unix style, and have to be converted to the local convention before we can actually use them in the filesystem. Raises ValueError on non-Unix-ish systems if 'pathname' either starts or ends with a slash. R] i s path '%s' cannot be absolutei����s path '%s' cannot end with '/'( R^ R` t ValueErrorR� t curdirt removeR_ R! ( t pathnamet paths( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt convert_path� s t FileOperatorc B s� e Z e d � Z d � Z d � Z d � Z e d � Z d d � Z d � Z d � Z d � Z d � Z d � Z e e d e d � Z d � Z d � Z d � Z d � Z RS( c C s# | | _ t � | _ | j � d S( N( t dry_runR� t ensuredt _init_record( R� R� ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyR� � s c C s% t | _ t � | _ t � | _ d S( N( t Falset recordR� t files_writtent dirs_created( R� ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyR� � s c C s | j r | j j | � n d S( N( R� R� t add( R� R_ ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt record_as_written� s c C si t j j | � s1 t d t j j | � � � n t j j | � sG t St j | � j t j | � j k S( s� Tell if the target is newer than the source. Returns true if 'source' exists and is more recently modified than 'target', or if 'source' exists and 'target' doesn't. Returns false if both exist and 'target' is the same age or younger than 'source'. Raise PackagingFileError if 'source' does not exist. 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The result is just the directory '.distlib' in the parent directory as determined above, or with the name specified with ``suffix``. s .distlibt ntt LOCALAPPDATAs $localappdatat ~s( Directory exists but is not writable: %ss Unable to create %st exc_infos# Default location unusable, using %sN( R@ R^ RH t environR_ t expandvarst expanduserR� R R R� t warningt makedirsRA t OSErrorR� R� R� R! ( Rk R% t usable( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/util.pyt get_cache_base� s& c C s` t j j t j j | � � \ } } | r? | j d d � } n | j t j d � } | | d S( s Convert an absolute path to a directory name for use in a cache. The algorithm used is: #. On Windows, any ``':'`` in the drive is replaced with ``'---'``. #. Any occurrence of ``os.sep`` is replaced with ``'--'``. #. ``'.cache'`` is appended. 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