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e ƒ n d S( s6 Support Eiffel-style preconditions and postconditions.( s functiont EiffelBaseMetaClassc B s& t Z d „ Z d „ Z e e ƒ Z RS( Nc C s, | i | ƒ t t | ƒ i | | | | ƒ S( N( t metat convert_methodst dictt superR t __new__t namet bases( R R R R ( ( t0 /usr/lib/python2.4/Demo/newmetaclasses/Eiffel.pyR s
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d | ƒ } | p | o! | i | | | | ƒ | | <qo qo Wd S( sí Replace functions in dict with EiffelMethod wrappers.
The dict is modified in place.
If a method ends in _pre or _post, it is removed from the dict
regardless of whether there is a corresponding method.
t _pret _posts %s_pres %s_postN( t methodsR t iteritemst kt vt endswitht
isinstancet functiont appendt mt gett pret postt clst make_eiffel_method( R R R R R
R R R ( ( R R s
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( R R R t staticmethod( ( ( R R # s t EiffelMethodWrapperc B s t Z d „ Z d „ Z RS( Nc C s | | _ | | _ d S( N( t instR t _instt descrt _descr( R R& R( ( ( R t __init__8 s c O s | i i | i | | ƒ S( N( R R) t
callmethodR' R R ( R R R ( ( R t __call__< s ( R R R* R, ( ( ( R R% 6 s t EiffelDescriptorc B s# t Z d „ Z d „ Z d „ Z RS( Nc C s7 | | _ | | _ | | _ | i | _ | i | _ d S( N( R R t _funcR R R R
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t | | ƒ S( N( R% t objR ( R R/ R ( ( R t __get__I s c C s^ | i o | i | | | Ž n | i | | | Ž } | i o | i | | | | Ž n | S( N( R R R& R R R. R! R
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( R R R* R0 R+ ( ( ( R R- ? s t EiffelMetaClass2c B s t Z e Z RS( N( R R R- R ( ( ( R R1 T s c s÷ d f ‡ d † ƒ Y} d | f d „ ƒ Y} d | f ‡ d † ƒ Y‰ | ƒ } | i d ƒ | i d ƒ y | i d ƒ Wn t j
o n Xˆ ƒ } y | i d ƒ Wn t j
o n Xy | i d ƒ Wn t j
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ƒ d S( Nt Eiffelc s t Z ˆ Z RS( N( R R t metaclasst
__metaclass__( ( R3 ( R R2 Z s t Testc B s, t Z d „ Z d „ Z d „ Z d „ Z RS( Nc C s | d S( s Make it a little largeri N( t arg( R R6 ( ( R R _ s c C s | d S( s Make it a little largeri N( R6 ( R R6 ( ( R t m2c s c C s d S( N( ( R R6 ( ( R t m2_preg s c C s d S( N( ( R t resultR6 ( ( R t m2_postj s ( R R R R7 R8 R: ( ( ( R R5 ] s t Subc s t Z d „ Z ‡ d † Z RS( Nc C s | d S( Ni ( R6 ( R R6 ( ( R R7 n s c s t ˆ | ƒ i | | ƒ d S( N( R R; R R: t ResultR6 ( R R< R6 ( R; ( R R: p s ( R R R7 R: ( ( R; ( R R; m s i i i
i ( R2 R5 R; t tR R7 t AssertionErrort s( R3 R; R2 R? R= R5 ( ( R3 R; R t _testY s.
t __main__N( R# t newR t typeR R R% t objectR- R1 R@ R ( R R% R1 R@ R R R- ( ( R t ? s
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