[development] Distributing "bi-modal" Drupal modules

Brian Vuyk brian at brianvuyk.com
Tue Feb 16 19:15:05 UTC 2010

I think your first roadblock would be the .info files - the .info needs 
to be called 'modulename.info', and you won't be able to enable it if 
it's not syntactically correct for your version of Drupal.

However, it would be quite possible to release a module package with 
both a D6 and D7 module. Then these could share include files if necessary.

That is, you could probably release a folder structure / package along 
the lines of:


Where 'includes/shared.inc' would include logic shared between the two 
different modules. Both modules would show up on the 'Modules' page, but 
only the one corresponding to the correct version of Drupal could be 

Brian Vuyk
Web Design & Development

Rob Thorne wrote:
> There are a couple of large software projects that  are designed to 
> install together with Drupal (CiviCRM is one of them).  Typically, a 
> project like this distributes a Drupal module that handles the 
> embedding of the project inside of a Drupal install.
> Is it even possible for a project like this to distribute either:
>   1. Both a Drupal 6 *and* a Drupal 7 module (i.e., will Drupal look at
>      the .info files and ignore the "wrong" version), or
>   2. A single Drupal module that keeps its Drupal-version specific
>      features (changed, new or dropped API calls, hooks with
>      incompatible call signatures, etc.) in .inc files and loads them
>      dynamically?
> This is not "the done thing", and the module upgrade instructions in 
> the handbook show it would be pretty daunting to do for anything but a 
> trivial module.    But is it even possible?
> Rob Thorne
> Torenware Networks

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