any trick to allow anonymous code blocks in python?
Chris S.
chrisks at NOSPAMudel.edu
Sat Jun 26 00:42:09 EDT 2004
Doug Holton wrote:
> Is there any metaclass trick or something similar to allow anonymous
> code blocks?
>
> I'd like to be able to let users do something like this fictitious example:
> b = Button()
> b.OnClick =:
> print "you clicked me"
>
> But that would require adding a special "=:" operator to bind a code
> block to a function.
Why can't b.OnClick simply be a handle for a function encapsulating that
statement?
> Is there any PEP for something like that? I see 310 might allow:
> b=Button()
> with b.OnClick:
> print "you clicked me"
>
> I know I can already do it like these examples:
> def OnClick(self,event):
> print "you clicked me"
> b.OnClick = OnClick
> or
> b = Button(OnClick=OnClick)
> or subclassing Button.
Then what's the problem? wxPython allows you to Bind() functions to
events. Why obfuscate the code with unnecessary statements?
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