Provide a way to access a resource filename

[dingens]

There is open_resource, but sometimes one does not need an open file but the filename.

I've thought of something like this: http://paste.pocoo.org/show/217837/

[mitsuhiko]

The resource folder is not supposed to be used for application data like databases. Furthermore resource_filename does not work for Zip file which means that you can fall back to root_folder in all situations anyways except for those where resource_filename of pkg_resources is doing scary things anyways.

--> wontfix

[dingens]

I just thought about this to be used for development, not in production. But the zip concern is a valid one (and as there is configuration support now that it's easy to specify a dev db.