On 10 Nov 2008, at 22:39, giorgio wrote:

>
> Hi,
>
> I am having trouble overriding methods in a plugin.
> I am trying to apply a patch to attachment_fu by overriding a method
> in on of the attachment_fu modules from with a file in my libs folder.
>
> I am using the suggestions from 
> http://epirsch.blogspot.com/2008/01/fixing-attachmentfu-on-windows-like.html
>
>
> If I paste the change directly into the atachment fu module the fix
> works. However if I try to make the fix from within my
> attachment_fu_patch.rb it doesn't work and ruby appears to be still
> calling the original method.
>
> This makes me ask the question: If you re-open modules and /or classes
> multiple times and override methods, how does ruby know which one is
> the "latest". ie how can I ensure that my override is the one that is
> called?
>
Chronological order of file loading, pure and simple. if files  
overide_a and overide_b both define the same method on the same class,  
then if ruby loads a first  then the final method definition will be  
the one in b (and vice versa). Ruby isn't doing any clever tracking of  
anything - stuff just gets overwritten

Fred

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