Maric Michaud a écrit :
> Le vendredi 08 septembre 2006 10:15, Bruno Desthuilliers a écrit :
>
>>You
>>mentioned NotImplementedError, which is indeed the usual way to make
>>something "abstract" in Python.
>
>
> Hummm, some more thoughts about this.
>
> I can imagine class hierarchies where the
Frank Millman wrote:
> Bruno Desthuilliers wrote:
>
>>Frank Millman wrote:
>>
>>>I have not gone to the trouble of raising NotImplementedError - the
>>>methods that the subclasses *must* override just have a 'pass'
>>>statement. I guess it would be more correct to raise the error, as it
>>>would g
Bruno Desthuilliers wrote:
> Frank Millman wrote:
> >
> > I have not gone to the trouble of raising NotImplementedError - the
> > methods that the subclasses *must* override just have a 'pass'
> > statement. I guess it would be more correct to raise the error, as it
> > would give me a quicker ind
Frank Millman wrote:
> Bruno Desthuilliers wrote:
>> Frank Millman wrote:
>>> [EMAIL PROTECTED] wrote:
There aren't abstract classes in Python. They are all
concrete.
>> (snip)
>>> I use the term 'abstract class' in the abstract sense :-)
>>>
>>> Say I have three classes where 90% of the
Le vendredi 08 septembre 2006 10:15, Bruno Desthuilliers a écrit :
> You
> mentioned NotImplementedError, which is indeed the usual way to make
> something "abstract" in Python.
Hummm, some more thoughts about this.
I can imagine class hierarchies where the presence of not implemented methods
do
Le vendredi 08 septembre 2006 09:51, [EMAIL PROTECTED] a écrit :
> Frank Millman, just a short note, more expert people can give you
> better answers. There aren't abstract classes in Python. They are all
> concrete.
Really ? This is like saying there is no singleton in Python...
class AbstractCla
Bruno Desthuilliers wrote:
> Frank Millman wrote:
> > [EMAIL PROTECTED] wrote:
> >> There aren't abstract classes in Python. They are all
> >> concrete.
> (snip)
> > I use the term 'abstract class' in the abstract sense :-)
> >
> > Say I have three classes where 90% of the attributes and methods a
Frank Millman wrote:
> [EMAIL PROTECTED] wrote:
>> There aren't abstract classes in Python. They are all
>> concrete.
(snip)
> I use the term 'abstract class' in the abstract sense :-)
>
> Say I have three classes where 90% of the attributes and methods are
> common. It makes sense to create a ba
Frank Millman wrote:
> Hi all
>
> I recently posted a question about subclassing. I did not explain my
> full requirement very clearly, and my proposed solution was not pretty.
> I will attempt to explain what I am trying to do more fully, and
> describe a possible solution. It is still not pretty
[EMAIL PROTECTED] wrote:
> Frank Millman, just a short note, more expert people can give you
> better answers. There aren't abstract classes in Python.
Well... There's no "abstract" modifier at least - but there still are
abstract classes, ie not meant to be directly instanciated. You
mentioned No
[EMAIL PROTECTED] wrote:
> Frank Millman, just a short note, more expert people can give you
> better answers. There aren't abstract classes in Python. They are all
> concrete. You may have classes with undefined methods (they may raise
> NotImplementedError).
> Multiple inheritance isn't supporte
Frank Millman, just a short note, more expert people can give you
better answers. There aren't abstract classes in Python. They are all
concrete. You may have classes with undefined methods (they may raise
NotImplementedError).
Multiple inheritance isn't supported by Java and Ruby, but it is
suppor
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