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backend_ctypes.pyc
� 9�Wc @ s* d d l Z d d l Z d d l Z d d l Z d d l m Z e j d f k r[ e Z n e Z e Z e Z d � Z d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d S( i����Ni ( t modeli c C s t | g � S( N( t bytes( t num( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt <lambda> s t CTypesTypec B s e Z RS( ( t __name__t __module__( ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR s t CTypesDatac B sd e Z e Z d g Z d Z d � Z e d � � Z e d � � Z e d � � Z e d � � Z e d � � Z e d d � � Z e d � � Z d � Z d � Z d d � Z d � Z e d � � Z d � Z e d � � Z d � Z e d � � Z d � Z d � Z e d � Z e d � Z e d � Z e d � Z e d � Z e d � Z d � Z! d � Z" RS( t __weakref__s <cdata>c G s t d | j f � � d S( Ns cannot instantiate %r( t TypeErrort __class__( t selft args( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt __init__ s c C s t d | j � f � � d S( Ns+ expected a pointer or array ctype, got '%s'( R t _get_c_name( t clst init( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _newp s c C s t � d S( N( R ( t value( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _to_ctypes s c G s} y | j } Wn$ t k r3 t d | f � � n X| rm | j | � } t | | � sy | j | � } qy n | j � } | S( Ns cannot create an instance of %r( t _ctypet AttributeErrorR R t isinstance( R R t ctypet res( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _arg_to_ctypes s c C s' | d k r | j � S| j | � Sd S( N( t NoneR ( R R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _create_ctype_obj. s c C s t � d S( N( R ( t ctypes_value( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _from_ctypes5 s t c C s | j j d | � S( Ns &( t _reftypenamet replace( R t replace_with( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR 9 s c C s9 d | j � f | _ d | j � f | _ d | _ d S( Ns CData<%s>t ffi( R R t __qualname__R ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _fix_class= s c C s t � d S( N( t NotImplementedError( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _get_own_reprC s c C sI | d k r d S| d k r= | d d t j t j � >7} n d | Sd S( Ni t NULLi i s 0x%x( t ctypest sizeoft c_void_p( R t address( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _addr_reprF s !c C s& | j � } d | p | j � | f S( Ns <cdata %r %s>( R& R ( R t c_namet own( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt __repr__N s c C sN | d k r( t d | j � f � � n" t d | j � | j � f � � d S( Ns cannot convert %r to an addresss cannot convert %r to %r( R R R ( R t BClass( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _convert_to_addressR s c C s t j | j � S( N( R( R) R ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _get_sizeZ s c C s t j | j � S( N( R( R) R ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _get_size_of_instance^ s c C s t d | j � f � � d S( Ns cannot cast to %r( R R ( R t source( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _cast_froma s c C s | j d � S( N( R1 R ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _cast_to_integere s c C s t j | j � S( N( R( t alignmentR ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _alignmenth s c C s t d | j � � � d S( Ns# cdata %r does not support iteration( R R ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt __iter__l s c s+ t t | � � � f d � } | | _ | S( Nc s6 t | t � r. � | j d � | j d � � St Sd S( N( R R R1 R t NotImplemented( R t other( t cmpfunc( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt cmpr s ( t getattrt operatort func_name( t nameR= ( ( R< s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _make_cmpp s t __eq__t __ne__t __lt__t __le__t __gt__t __ge__c C s# t t | � � t | j d � � AS( N( t hasht typeR1 R ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt __hash__� s c C s t d | f � � d S( Ns string(): %r( R ( R t maxlen( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _to_string� s N(# R R R t __metaclass__t __slots__R t classmethodR t staticmethodR R R R R R$ R& R, R R/ R1 R2 R3 R5 R6 R8 R9 RB RC RD RE RF RG RH RK RM ( ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR s> t CTypesGenericPrimitivec B s2 e Z g Z d � Z d � Z d � Z d � Z RS( c C s | | k S( N( ( R R; ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyRC � s c C s | | k S( N( ( R R; ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyRD � s c C s t j | � S( N( t objectRK ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyRK � s c C s t | j | j � � S( N( t reprR t _value( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR& � s ( R R RO RC RD RK R& ( ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyRR � s t CTypesGenericArrayc B s/ e Z g Z e d � � Z d � Z d � Z RS( c C s | | � S( N( ( R R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR � s c c s* x# t t | � � D] } | | Vq Wd S( N( t xranget len( R t i( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR9 � s c C s | j t j | j � � S( N( R, R( t addressoft _blob( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR& � s ( R R RO RP R R9 R& ( ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyRV � s t CTypesGenericPtrc B s� e Z d d g Z e Z d Z e d � � Z e d � � Z e d � � Z d � Z d � Z d � Z d � Z e d � � Z e d � � Z e d � � Z d � Z RS( t _addresst _as_ctype_ptrt pointerc C s | | � S( N( ( R R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR � s c C s} | d k r d } n[ t | t � r3 | j � } n= t | t t f � rQ | } n t d | t | � j f � � | j | � S( Ni s bad type for cast to %r: %r( R R R R6 t intt longR RJ R t _new_pointer_at( R R4 R+ ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR5 � s c C s4 | j | � } | | _ t j | | j � | _ | S( N( t __new__R] R( t castR R^ ( R R+ R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyRb � s c C s- y | j | j � SWn t k r( d SXd S( Ns ???( R, R] R ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR& � s c C s | j S( N( R] ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR6 � s c C s t | j � S( N( t boolR] ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt __nonzero__� s c C s t | j � S( N( Re R] ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt __bool__� s c C sM t | t � s+ t d t | � j � � n | j | � } t j | | j � S( Ns unexpected %s object( R R R RJ R R1 R( Rd R ( R R R+ ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR � s c C s+ t j | t j � j p d } | j | � S( Ni ( R( Rd R* R Rb ( R t ctypes_ptrR+ ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR � s c C s" | r | j | � j | _ n d S( N( R t contents( R Rh R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _initialize� s c C sB | | j d f k s' | j s' | j r. | j St j | | � Sd S( N( R R t _automatic_castsR] R R1 ( R R0 ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR1 � s ( R R RO t FalseRk t kindRP R R5 Rb R& R6 Rf Rg R R Rj R1 ( ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR\ � s t CTypesBaseStructOrUnionc B sk e Z d g Z e d � � Z d � Z e d � � Z d � Z e d � � Z e d � � Z d d � Z RS( R[ c C s t d | f � � d S( Ns! cannot instantiate opaque type %s( R ( R R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR � s c C s | j t j | j � � S( N( R, R( RZ R[ ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR& � s c C s t | j | � j S( N( R> R t offset( R t fieldname( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _offsetof� s c C s? t | d d � | j k r+ t j | j � St j | | � Sd S( Nt _BItem( R> R R R( RZ R[ R R1 ( R R0 ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR1 � s c C s | j | � } | | _ | S( N( Rc R[ ( R t ctypes_struct_or_unionR ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR s c C s | j S( N( R[ ( R R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR s c C s t j | | p | j d � � S( Ns &( R R/ R ( R R- ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR/ s N( R R RO RP R R& Rq R1 R R R R/ ( ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyRn � s t CTypesBackendc B s� e Z i e j d 6e j d 6e j d 6e j d 6e j d 6e j d 6e j d 6e j d 6e j d 6e j d 6e j d 6e j d 6e j d 6e j d 6Z x� d d d d d g D]� Z e j e e � Z e e e d d e <e e j e j � k re e e d <n e e j e j � k r� e e e d <q� q� Wx� d d d d d g D]� Z e j e e � Z e e e d d e <e e j e j � k r�e e e d <e e e d <n e e j e j � k rIe e e d <qIqIWd � Z d � Z d � Z d d � Z d � Z d � Z d � Z d � Z d � Z d � Z d! � Z! d" d" d d# � Z" d$ � Z# d% � Z$ d& � Z% d' � Z& d" d( � Z' d" d) � Z( d* � Z d+ � Z) d, � Z* d- � Z+ d. � Z, e- Z. d/ � Z/ d d0 � Z0 d2 d1 � Z2 RS(3 t chart shortR` Ra s long longs signed chars unsigned chars unsigned shorts unsigned ints unsigned longs unsigned long longt floatt doublet _Bools uint%d_ti t uintptr_tt size_ts int%d_tt intptr_tt ptrdiff_tt ssize_tc C s. d | _ d | _ t j | _ t j | _ d S( Ni ( t RTLD_LAZYt RTLD_NOWR( t RTLD_GLOBALt RTLD_LOCAL( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR 6 s c C s | | _ d S( N( R" ( R R" ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt set_ffi< s c C s t t f S( N( R R ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _get_types? s i c C s t j | | � } t | | � S( N( R( t CDLLt CTypesLibrary( R t patht flagst cdll( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt load_libraryB s c C s$ d t f d � � Y} | j � | S( Nt CTypesVoidc B s2 e Z g Z d Z e d � � Z e d � � Z RS( s void &c S s d S( N( R ( t novalue( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR J s c S s/ | d k r+ t d t | � j f � � n d S( Ns None expected, got %s object( R R RJ R ( R� ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR M s ( R R RO R RQ R R ( ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR� G s ( R R$ ( R R� ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt new_void_typeF s c s� � d k r t � � � n | j � � � d k r= d } nZ � d k rR d } nE � d k rg d } n � d k r| d } n d } � d � j d k � � f d � � | � d t f � � � � � � f d � � Y� � j � � S( Nt wchar_tRu Rw Rx s signed chars unsigned chart byteRy Re R` i����c s� t | t t t f � r' t | � } np t | t � rE | j � } nR t | t � rc t | � } n4 | d k rx d } n t d � t | � j f � � | S( Ni s bad type for cast to %r: %r( R R` Ra Rw R R6 R t ordR R RJ R ( R4 ( t CTypesPrimitive( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt _cast_source_to_intg s R� c s� e Z d g Z � Z d � Z � Z d � Z e � � f d � � Z e d k s^ e d k r� e � � f d � � Z d � Z n e d k r� e � f d � � Z d � Z n e d k r� e � f d � � Z d � Z n e d k re � � f d � � Z d � Z d � Z n e Z e d k s?e d k s?e d k r]e � � � f d � � Z n e d k r�e � f d � � Z n e d k r�e � f d � � Z n e d � � Z e � f d � � Z e d k r�d � Z n e d k r�d � Z n RS( RU s %s &c S s | | _ d S( N( RU ( R R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR | s c s& | d k r � � S� � j | � � S( N( R R ( R ( R� R ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR s R` R� c s% � | � } � | � j } | | � S( N( R ( R R4 ( R� R ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR5 � s c S s | j S( N( RU ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt __int__� s Re c s7 t | t t t f � s' � | � } n | t | � � S( N( R R` Ra Rw Re ( R R4 ( R� ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR5 � s c S s | j S( N( RU ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR� � s Ru c s& � | � } t | d @� } | | � S( Ni� ( t bytechr( R R4 ( R� ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR5 � s c S s t | j � S( N( R� RU ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR� � s Rw c ss t | t � r nH t | t � rN t | d � r? t | � } qZ t | � } n � | � } � | � j } | | � S( Nt __float__( R Rw RR t hasattrR` R ( R R4 ( R� R ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR5 � s c S s t | j � S( N( R` RU ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR� � s c S s | j S( N( RU ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR� � s c s� t | t t f � sO t | t � r3 t | � } qO t d t | � j � � n � | � j | k r� � r� | d k r� t d � � � q� t d � � � n | S( Ns integer expected, got %si s %s: negative integers %s: integer out of bounds( R R` Ra R R RJ R R t OverflowError( t x( R t is_signedRA ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR � s c sX t | t � r% t | � d k r% | St | � � r; | j St d t | � j � � d S( Ni s character expected, got %s( R R RX RU R RJ R ( R� ( R� ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR � s !c sD t | t t t t f � s7 t d t | � j � � n � | � j S( Ns float expected, got %s( R R` Ra Rw R R RJ R R ( R� ( R ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR � s c S s t | d | � S( NR ( R> ( R ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR � s c s � j | � | _ d S( N( R R ( t blobR ( R� ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyRj � s c S s | j S( N( RU ( R RL ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyRM � s c S s t | j d @� S( Ni� ( t chrRU ( R RL ( ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyRM � s ( R R RO R R Rm R RQ R RP R5 R� R� R6 R R Rj RM ( ( R� R� R R� t kind1RA ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR� v s@ $ ( s floatRx ( s signed chars unsigned char( R% t PRIMITIVE_TYPESR RR R$ ( R RA Rm ( ( R� R� R R� R� RA s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyt new_primitive_typeV s$ +q c s | j j } � | t j d � � k r0 d � n] � | t j d � � | t j d � � f k ri d � n$ � | t j � k r� d � n d � d t f � � � f d � � Y� � | j j t j � k s� � | j j t j d � � k r� t � _ n � j � � S( NRu t charps signed chars unsigned chart bytept voidpt generict CTypesPtrc sG e Z d g Z � d k r+ e d g 7Z n � Z e � d � rg e j � j � Z e j � j � Z n e j Z e � e � r� � j d � Z n � j d � Z � � f d � Z d � Z d � Z � f d � Z � f d � Z � d k s� � d k re � f d � � Z n � d k s*� d k r6d � Z n � f d � Z RS( t _ownR� t __as_strbufR s (* &)s * &c s� � j | � } � d k rR t j | j d � | _ t j | j | j � | _ n t j | � | _ t j | j t j � j | _ t | _ d S( NR� t ( R R( t create_string_bufferR t _CTypesPtr__as_strbufRd R R^ R_ R* R] t TrueR� ( R R t ctypeobj( t BItemRm ( s9 /usr/lib64/python2.7/site-packages/cffi/backend_ctypes.pyR s c S s8 t | t t f � r0 | j | j | | j � St Sd S( N( R R` Ra Rb R] t _bitem_sizeR: ( R R; ( ( s9 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