Is it possible to use a instance property as a default value ?

[stef mientki]

Chris Mellon wrote:
> On Nov 1, 2007 3:18 PM, stef mientki <stef.mientki at gmail.com> wrote:
>   
>> hello,
>>
>> I would like to use instance parameters as a default value, like this:
>>
>> class PlotCanvas(wx.Window):
>>     def __init__(self)
>>         self.Buf_rp = 0
>>         self.Buf_wp = 0
>>
>>     def Draw ( self, x1 = self.Buf_rp, x2 = self.Buf_wp ) :
>>
>> is something like this possible ?
>>
>>     
>
> No, because self is not in scope at the time that default arguments
> are evaluated. The traditional workaround is to use x1=None, and if x1
> is None: x1 = self.Buf_rp.
>
>   
thanks Chris,
I was afraid of that ;-)

cheers,
Stef