On 8 Jan 2009, at 16:37, Tom M wrote:
>
> Say I have a plugin like so:
>
> class Plugin
> def do_something
> do_thing :one
> do_something_else
> do_thing :two
> end
> end
>
> If I want to wrap the call to do_something_else in a begin/rescue
> block, then it would seem that I need to either hack the plugin in
> vendor/ or put a patch in lib/ that copies a portion of do_something.
> Either way, it seems I lose on maintainability.
>
>
The mighty alias_method_chain (which is really just 2 calls to
alias_method) can work here
class Plugin
def do_something_else_with_rescue
begin
do_something_else_without_rescue
rescue ...
end
end
alias_method_chain :do_something_else, :rescue
end
> Is there a convention/method for monkey patching existing methods in
> plugins in these situations?
>
> Thanks,
> Tom Macklin
> >
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