[sapug] TypeError: __init__() got multiple values for keyword argument 'value'

Darryl Ross spam at afoyi.com
Tue Apr 29 07:01:45 CEST 2008

Tim Wegener wrote:
> # If you expect the value argument to be unspecified more often than not:
> class Thingo(DooHicky):
>     def __init__(self, *args, **kwargs):
>         self.value = kwargs.get('value')
> 	  if self.value is not None:
> 		del kwargs['value']
>         super(Thingo, self).__init__(self, *args, **kwargs)

This is pretty much exactly what I came up with.

> You might also want to consider avoiding the use of inheritance. I
> can't really comment on whether it is desirable to use inheritance
> here, given the supplied information. Personally I try to avoid
> inheritance unless it is a really nice fit for the situation.

In this particular instance, I do actually need the inheritance. I'm 
subclassing a django.newforms.Form.

Daryl Tester wrote:
> Python version?  Under 2.5.1:

Hmm, good point, I didn't check that. I was testing under 2.4.3 which is 
on my CentOS 5.1 server. On my Ubuntu laptop, which has 2.5.1, my sample 
code works as I was expecting.

Thanks guys.


More information about the sapug mailing list