extender method

[Bruno Desthuilliers]

davehowey at f2s.com wrote:
> 'Learning Python' by Lutz and Ascher (excellent book by the way)
> explains that a subclass can call its superclass constructor as
> follows:
> 
(snip)
>  
> Now, this is fine using the above code. Where I'm struggling is with
> argument passing. The following, for example, doesn't seem to work:
> 
> class Super:
>    def __init__(self, **kargs):
>    self.data = kargs
> 
> class Extender(Super):
>    def __init__(self, **kargs):
>    Super.__init__(self, kargs)   # call the constructor method in Super
>    # do additional extender-specific stuff here
> 
> What am I doing wrong? I get:
> TypeError: __init__() takes exactly 1 argument (2 given)
> WARNING: Failure executing file: <main.py>
> 

class Super(object):
  def __init__(self, **kwargs):
    self.data = kwargs

class Extender(Super):
  def __init__(self, **kwargs):
    Super.__init__(self, **kwargs)
     # do additional extender-specific stuff here


HTH
-- 
bruno desthuilliers
python -c "print '@'.join(['.'.join([w[::-1] for w in p.split('.')]) for
p in 'onurb at xiludom.gro'.split('@')])"