Classes and modules are singletons?
castironpi at gmail.com
castironpi at gmail.com
Thu Mar 6 01:25:27 EST 2008
> I accept my question about classes being singletons is not well-formed,
> not even in my own mind. I guess one way of asking is, for any two class
> objects (not instances) C1 and C2, does "C1 == C2" imply "C1 is C2"?
C and D are instances of metaC in that.
class metaC( type ):
def what( self ):
return self
class C( metaclass= metaC ): pass
class D( metaclass= metaC ): pass
assert C is C.what() and D is D.what()
#print( C.what(), D.what() )
C= metaC('C',(),{})
D= metaC('D',(),{})
assert C is C.what() and D is D.what()
#print( C.what(), D.what() )
furthermore.
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