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Re: Deciding inheritance at instantiation?

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On 08/03/2012 02:55 PM, Terry Reedy wrote:
> On 8/3/2012 4:48 PM, Tobiah wrote:
>> I have a bunch of classes from another library (the html helpers
>> from web2py). There are certain methods that I'd like to add to
>> every one of them. So I'd like to put those methods in a class,
>> and pass the parent at the time of instantiation. Web2py has
>> a FORM class for instance. I'd like to go:
>>
>> my_element = html_factory(FORM)
>>
>> Then my_element would be an instance of my class, and also
>> a child of FORM.
>>
>> I started messing with decorators, but it became difficult
>> for me to visualise how to do this.
>
> Use type(name, bases, content) for dynamic class creation.
>

Very cool.  Just what I was after.  Thanks.

Tobiah

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Thread

Deciding inheritance at instantiation? Tobiah <toby@tobiah.org> - 2012-08-03 13:48 -0700
  Re: Deciding inheritance at instantiation? Terry Reedy <tjreedy@udel.edu> - 2012-08-03 17:55 -0400
    Re: Deciding inheritance at instantiation? Tobiah <toby@tobiah.org> - 2012-08-06 10:42 -0700
  Re: Deciding inheritance at instantiation? Nobody <nobody@nowhere.com> - 2012-08-04 00:52 +0100
  Re: Deciding inheritance at instantiation? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-04 01:14 +0000
  Re: Deciding inheritance at instantiation? "Steven W. Orr" <steveo@syslang.net> - 2012-08-03 23:14 -0400
  Re: Deciding inheritance at instantiation? alex23 <wuwei23@gmail.com> - 2012-08-06 19:53 -0700
    Re: Deciding inheritance at instantiation? Tobiah <toby@tobiah.org> - 2012-08-07 10:52 -0700

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