[EP-tech] Re: Altering DajaObj/Eprint.pm behaviour without altering core code

Ian Stuart Ian.Stuart at ed.ac.uk
Wed Apr 4 15:37:47 BST 2012


Then again, why not ~/archives/[ID]/cfg/cfg.d/...

?

On 04/04/12 15:40, Sebastien Francois wrote:
> Good! Yes I'd add a file in cfg.d/ as you suggested. However be aware
> that other repositories set up there (ie. archives/[id1],
> archives/[id2]...) will inherit the change!
>
> Seb.
>
> On 04/04/12 15:33, John Salter wrote:
>> Thanks Seb, works like a dream!
>>
>> Do you have any 'good practice' advice on how to do this within an archive?
>> I already have ~/archives/[ID]/cfg/plugins/... for over-riding plugins.
>> Would your advice be to add something within there, or to add something like cfg.d/core_overrides.pl?
>>
>> Cheers,
>> John
>>
>> -----Original Message-----
>> From: eprints-tech-bounces at ecs.soton.ac.uk [mailto:eprints-tech-bounces at ecs.soton.ac.uk] On Behalf Of Sebastien Francois
>> Sent: 04 April 2012 12:29
>> To: eprints-tech at ecs.soton.ac.uk
>> Subject: [EP-tech] Re: Altering DajaObj/Eprint.pm behaviour without altering core code
>>
>> What about:
>>
>> *EPrints::DataObj::EPrint::render_fileinfo = \&my_render_fileinfo;
>>
>> sub my_render_fileinfo
>> {
>> # your code ...
>> }
>>
>> Seb.
>>
>>
>> On 04/04/12 12:18, John Salter wrote:
>>> I'm trying to do something the 'right way'*.
>>> This advice: http://wiki.eprints.org/w/Read_Only_Directories says I shouldn't be editing anything under eprints3/perl_lib/ (with a couple of exceptions).
>>>
>>> I need to alter the 'render_fileinfo' subroutine in ~/perl_lib/EPrints/DataObj/EPrint.pm.
>>> How do I achieve this without:
>>>     - altering the Eprint.pm file
>>>     - ending up with some 'Subroutine render_fileinfo redefined' messages
>>>     - using "no warnings 'redefine';" ;o)
>>>
>>> I've tried various attempts - without success.
>>> I'm sure it can be done, and I'm sure it's a bit of perl magic I'm missing, and hopefully someone here can help!
>>>
>>> Cheers,
>>> John


-- 

Ian Stuart.
Developer: Open Access Repository Junction and OpenDepot.org
Bibliographics and Multimedia Service Delivery team,
EDINA,
The University of Edinburgh.

http://edina.ac.uk/

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