str class inheritance prob?
Bruno Desthuilliers
bruno.42.desthuilliers at websiteburo.invalid
Fri Apr 18 11:39:34 EDT 2008
jkazoo at gmail.com a écrit :
> so I’m trying to create a class that inherits from str, but I want to
> run some code on the value on object init. this is what I have:
Others already gave you the technical solution (use __new__, not
__init__). A couple remarks still:
1/
>
> class Path(str):
> def __init__( self, path ):
> clean = str(path).replace('\\','/')
> while clean.find('//') != -1:
> clean = clean.replace('//','/')
>
> print 'cleaned on init:\t',clean
> self = clean
Assigning to self - or to any other local name - only impact the local
namespace, it won't affect the object previously bound to that name.
2/ you may be interested in the existing path module:
http://www.jorendorff.com/articles/python/path/
HTH
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