Augmented AssignmentOverloading Exampleimport md5 # An alternative interface for making MD5 signatures class MD5: def __init__(self): self.sig = md5.new() def __str__(self): return self.sig.digest() def __iadd__(self,other): self.sig.update(other) return self >>> import sig >>> m = sig.MD5() >>> m += "Hello" >>> m += "World" >>> str(m) 'h\341\011\360\364\014\247*\025\340\\\302'\206\370\346' >>> m += "Python" >>> str(m) '&\321\025;4m\254\216\223\375\030\333\264\263;\250' |
<<< | O'Reilly OSCON 2001, New Features in Python 2, Slide 10 July 26, 2001, beazley@cs.uchicago.edu |
>>> |