[Tutor] Option of passing sequences are arguments

[Steven Burr]

On Friday, June 15, 2001, at 03:53 PM, Phil Bertram wrote:

> Is it possible to unpack a sequence to fill arguments.
> I have been playing around with *args type aruments but can't seem to 
> get it
> to work.
>
> Eg
>
> I would like to define a class so that it can be called as follows
>
> m = MyObject(arg1,arg2,arg3)
>
> or
>
> args=(arg1,arg2,arg3)
> x=MyObject(args)

I think this may be the kind of thing you're looking for (the __str__ 
method is just
for testing purposes):

import types

class MyObject:

     def __init__(self, *args):
             if len(args) == 1 and type(args[0]) != types.StringType:
                     try:  test = args[0][0]
                     except TypeError:  self.args = args
                     else:  self.args = args[0]
             else:  self.args = args

     def __str__(self):
             return ' '.join([str(x) for x in self.args])

a = MyObject("It's", 'only', 'a', 'flesh', 'wound!')
print a

args = ("I've", 'had', 'worse.')
b = MyObject(args)
print b

c = MyObject("You're a loony!")
print c

d = MyObject(1)
print d


RESULT:

It's only a flesh wound!
I've had worse.
You're a loony!
1