On Aug 25, 3:42 pm, Alexander Kapps <alex.ka...@web.de> wrote: > Ross Williamson wrote: > > Hi All > > > Is there anyway in a class to overload the print function? > > In Python <= 2.x "print" is a statement and thus can't be > "overloaded". That's exactly the reason, why Python 3 has turned > "print" into a function. > > >>> class foo_class(): > >>> def __print__(self): > >>> print "hello" > > >>> cc = foo_class() > >>> print cc > > > Gives: > > > hello > > Hmm, on what Python version are you? To my knowledge there is no > __print__ special method. Did you mean __str__ or __repr__ ? > > > I'm looking at finding nice way to print variables in a class just by > > asking to print it > > In Python3 you *can* overload print(), but still, you better define > __str__() on your class to return a string, representing what ever > you want: > > In [11]: class Foo(object): > ....: def __str__(self): > ....: return "foo" > ....: > ....: > > In [12]: f = Foo() > > In [13]: print f > foo
Maybe what the OP really wants is the format() method on a string? That gives a very rich set of override options, at the expense of not using the print statement/method, including the ability to define your own formatting language for a class. John Roth -- http://mail.python.org/mailman/listinfo/python-list
