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copy_reg.pyc
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� xFWgc @ s� d Z d d l m Z d d d d d g Z i Z d d � Z d � Z y e Wn e k ra n Xd � Z e e e e � d � Z d Z d � Z d � Z d � Z i Z i Z i Z d � Z d � Z d � Z d S( s� Helper to provide extensibility for pickle/cPickle. This is only useful to add pickle support for extension types defined in C, not for instances of user-defined classes. i����( t ClassTypet picklet constructort add_extensiont remove_extensiont clear_extension_cachec C sf t | � t k r! t d � � n t | d � s? t d � � n | t | <| d k rb t | � n d S( Ns- copy_reg is not intended for use with classest __call__s$ reduction functions must be callable( t typet _ClassTypet TypeErrort hasattrt dispatch_tablet NoneR ( t ob_typet pickle_functiont constructor_ob( ( s /usr/lib/python2.7/copy_reg.pyR s c C s" t | d � s t d � � n d S( NR s constructors must be callable( R R ( t object( ( s /usr/lib/python2.7/copy_reg.pyR s c C s t | j | j f f S( N( t complext realt imag( t c( ( s /usr/lib/python2.7/copy_reg.pyt pickle_complex' s c C sY | t k r t j | � } n7 | j | | � } | j t j k rU | j | | � n | S( N( R t __new__t __init__( t clst baset statet obj( ( s /usr/lib/python2.7/copy_reg.pyt _reconstructor. s i i c C s8 | d k s t � x; | j j D]' } t | d � r | j t @ r Pq q Wt } | t k re d } n. | | j k r� t d | j � n | | � } | j | | f } y | j } WnY t k r t | d d � r� t d � � n y | j } Wqt k r d } qXn X| � } | r*t | | f St | f Sd S( Ni t __flags__s can't pickle %s objectst __slots__sN a class that defines __slots__ without defining __getstate__ cannot be pickled( t AssertionErrort __class__t __mro__R R t _HEAPTYPER R R t __name__t __getstate__t AttributeErrort getattrt __dict__R ( t selft protoR R t argst getstatet dict( ( s /usr/lib/python2.7/copy_reg.pyt _reduce_ex; s0 c G s | j | | � S( N( R ( R R* ( ( s /usr/lib/python2.7/copy_reg.pyt __newobj__\ s c C s4 | j j d � } | d k r" | Sg } t | d � s: n� x� | j D]� } d | j k rD | j d } t | t � r� | f } n x� | D]� } | d k r� q� q� | j d � r| j d � r| j j d � } | r� | j d | | f � q| j | � q� | j | � q� WqD qD Wy | | _ Wn n X| S( s� Return a list of slot names for a given class. This needs to find slots defined by the class and its bases, so we can't simply return the __slots__ attribute. We must walk down the Method Resolution Order and concatenate the __slots__ of each class found there. (This assumes classes don't modify their __slots__ attribute to misrepresent their slots after the class is defined.) t __slotnames__R R' t __weakref__t __t _s _%s%sN( R' R0 ( R' t getR R R! t isinstancet basestringt startswitht endswithR# t lstript appendR/ ( R t namesR t slotst namet stripped( ( s /usr/lib/python2.7/copy_reg.pyt _slotnames_ s2 c C s� t | � } d | k o# d k n s4 t d � n | | f } t j | � | k rn t j | � | k rn d S| t k r� t d | t | f � � n | t k r� t d | t | f � � n | t | <| t | <d S( s Register an extension code.i i���s code out of rangeNs) key %s is already registered with code %ss$ code %s is already in use for key %s( t intt ValueErrort _extension_registryR3 t _inverted_registry( t moduleR< t codet key( ( s /usr/lib/python2.7/copy_reg.pyR � s c C sw | | f } t j | � | k s6 t j | � | k rO t d | | f � � n t | =t | =| t k rs t | =n d S( s0 Unregister an extension code. For testing only.s% key %s is not registered with code %sN( RA R3 RB R@ t _extension_cache( RC R< RD RE ( ( s /usr/lib/python2.7/copy_reg.pyR � s c C s t j � d S( N( RF t clear( ( ( s /usr/lib/python2.7/copy_reg.pyR � s Ni ( t __doc__t typesR R t __all__R R R R R t NameErrorR R R" R- R. R> RA RB RF R R R ( ( ( s /usr/lib/python2.7/copy_reg.pyt <module> s. ! <