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Ex: arch1=i386 and arch2=i686 then it will return False. arch1=i386 and arch2=x86_64 will return True. It does not determine whether or not the arches make any sense. Just whether they could possibly install w/o conflictR R9 ( t FalseR3 t getArchListt True( t arch1t arch2( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyt canCoinstallv s $c C sK | | k r d S| t k rG t t | | � } | d k rC | d Sd Sd S( Ni i ( R6 t archDifference( R1 t targetarcht ret( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyRD � s c C s t t | � S( N( RD t canonArch( R9 ( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyt score� s c C sM | d k r t } n | t k r% d S| t k r5 d St | t k rI d Sd S( s5 returns true if arch is a multilib arch, false if noti i N( t NoneRG R6 t multilibArches( R9 ( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyR3 � s c C sR t | � d k r d S| d k r+ t } n t | � } t | � } | | k r} t | | � } | d k r} | d k r} | Sn | d } x� | d D]� } t | | � } t | | � } | d k r� | d k r� q� n | | k r� | d k r� | } q� n | | k r | d k r | } q n | | k r� q� q� Wt | | � } | d k rNd S| S( s� return the best arch from the list for myarch if - myarch is not given, then return the best arch from the list for the canonArch. i R i N( t lenRI RG R2 t getBestArchFromListRD ( t archlistR1 t mybestarcht bestarcht bestarchchoicet thisarchR9 t val1t val2t val( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyRL � s8 c C s� | s t } n | g } x' | t k rA t | } | j | � q W| d d k re | j d d � n t | � d k r� | d | k r� | j d � n | S( Ni R i R R ( RG R6 R8 t insertRK ( RQ RM ( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyR? � s "c C s y t d d � SWn g SXd S( sY Try to read /proc/cpuinfo ... if we can't ignore errors (ie. proc not mounted). s /proc/cpuinfot rN( t open( ( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyt _try_read_cpuinfo� s c C s� y t d d � j � } Wn d SXd } d } t j d � } d } t j � } x} | t | � | k r� t j d | | � \ } } | | k r� | | _ | j t d <n | | k r� | t d <n | | } qT Wd S( sw Read /proc/self/auxv and parse it into global dict for easier access later on, very similar to what rpm does. s /proc/self/auxvt rbNi i t LLi R/ R0 ( RW t readt structt calcsizet ctypest c_char_pRK t unpack_fromt valuet _aux_vector( t datat AT_PLATFORMt AT_HWCAPt fmtlent offsetR/ t at_typet at_val( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyt _parse_auxv� s" c C s� | d k rP x= t � D]2 } | j d � r | j d � d k rD d SPq q W| S| d k r` | Sxe t � D]Z } | j d � r� | j d � d k r� d S| j d � rj | j d � d k r� d SPqj qj W| S( NR s model names Geode(TM)i����R R t vendort AuthenticAMDR t flagst cmov( RX R5 t find( R9 t line( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyt getCanonX86Arch s" $c C s& t j d � } | j d � r" | S| S( Ns %{_target_cpu}t armv7h( t rpmt expandMacroR5 ( R9 t target( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyt getCanonARMArch# s c C s� | d k r | Sd } x= t � D]2 } | j d � d k r | j d � d } Pq q Wt d } | d k rw | rw | Sy6 | j d � r� t | d j d � � d k r� d SWn n X| d k r� | S| j d � d k r� d S| j d � d k r� d S| S( NR t machinei����t :i R/ t poweri t +i R s CHRP IBMR t iSeriesR ( RI RX Ro t splitRb R5 t intt rstrip( R9 Rw Rp R/ ( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyt getCanonPPCArch* s, . c C s� d } x7 t � D], } | j d � r | j d � d } Pq q W| d k rP | S| j d � d k r | j d � rx d Sd Sn | j d � d k r� | j d � r� d Sd Sn | j d � d k r� d S| S( Nt typeRx i t sun4vi����R R R t sun4uR t sun4mR ( RI RX R5 R| Ro ( R9 t SPARCtypeRp ( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyt getCanonSPARCArchH s$ c C s� | d k r | Sd } x7 t � D], } | j d � r | j d � d } Pq q W| d k r` | S| j d � d k s� | j d � d k r� d S| j d � d k r� d S| S( NR t vendor_idRx i s Authentic AMDi����Rl R t GenuineIntelR ( RI RX R5 R| Ro ( R9 Rk Rp ( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyt getCanonX86_64Arch` s *c C s, | rq t j d t j � rq yH t d d � } | j � } | j � | j d d � \ } } } | SWqq qq Xn t j � d } t � t | � d k r� | d d k r� | d d !d k r� t | � S| j d � r� t | � S| j d � r� t | � S| j d � rt | � S| d k r(t | � S| S( Ns /etc/rpm/platformRV t -i i i t it 86t armR R R ( t ost accesst R_OKRW t readlinet closeR| t unameRj RK Rq R5 Rv R R� R� ( t skipRpmPlatformt fRp R9 Rk t opersys( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyt getCanonArchr s, 5 c C sE | t k r t | S| t k rA t | d k rA t d t | � Sd S( NR R9 ( RJ R6 t getMultiArchInfoRI ( R9 ( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyR� � s c C sd | r | } n t } | j d � r5 t | d } n | j d � r` t r` | d k r` d } n | S( NR i R R R ( RG R5 RJ t _ppc64_native_is_best( R1 R9 ( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyR2 � s " c C s | s t } n | t k r | S| j d � r2 d S| d k rB d S| j d � r\ t r\ d S| j d � ro d S| j d � r� d S| j d � r� d St d | � r� | t k r� | St | Sn | t k r| } t | } x | d k r� | } t | } q� W| Sd S( s� returns 'base' arch for myarch, if specified, or canonArch if not. base arch is the arch before noarch in the arches dict if myarch is not a key in the multilibArches.R R R R R R( Rr t armhfpR� R9 R N( RG R6 R5 R� R3 RJ ( R1 t basearchRa ( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyR4 � s6 t ArchStoragec B sD e Z d Z d � Z d e d � Z d d � Z d � Z d � Z RS( sc class for keeping track of what arch we have set and doing various permutations based on itc C sD d | _ d | _ d | _ g | _ g | _ t | _ | j � d S( N( RI t canonarchR� RO t compatarchesRM R> t multilibt setup_arch( t self( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyt __init__� s c C s� | r | | _ n t | _ t d | j � | _ t d | j � | _ | s� g } x9 | j D]. } t | � sy | d k r[ | j | � q[ q[ W| | _ n t d | j � | _ t d | j � | _ t d | j � | _ t d | j � | _ d S( NR1 RQ R R9 ( R� RG R4 R� R? RM R3 R8 R2 RO R� R� R� R= t legit_multi_arches( R� R9 t archlist_includes_compat_archt limit_archlistt a( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyR� � s c C s" | s | j } n t | d | �S( NR1 ( R� RL ( R� RM t fromarch( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyt get_best_arch_from_list� s c C s t | j | � S( N( RD R� ( R� R9 ( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyRH � s c C s | s | j St d | � S( NRQ ( RM R? ( R� R9 ( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyt get_arch_list� s N( t __name__t __module__t __doc__R� RI R@ R� R� RH R� ( ( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyR� � s ( s athlons x86_64s athlon( s sparcv9vs sparcv9vs sparc64v( s sparcv9s sparcv9s sparc64( s ppcs ppcs ppc64( R R R ( s ppcs ppc64s ppc64( R� Rs R^ R\ R@ R� RJ R6 Rb RI R= RC RD RH R3 RL R? RX Rj Rq Rv R R� R� R� RG R� R2 R4 t objectR� ( ( ( s1 /usr/lib/python2.7/site-packages/rpmUtils/arch.pyt <module> s� , (