This is the purpose of the AssetResolver.

resolver = AssetResolver()
asset = resolver.resolve('mypkg:static/img/%s' % img_filename)
asset.abspath() # -> /foo/bar/static/img/...

http://docs.pylonsproject.org/projects/pyramid/en/1.4-branch/api/path.html#pyramid.path.AssetResolver


On Wed, May 1, 2013 at 11:41 AM, Laurent DAVERIO <ldave...@gmail.com> wrote:

> Hello list,
>
> sorry for asking such a newbie question (and making you work on May Day
> ;-), but I can't seem to find the answer by myself... :-(
>
>
> I have a Pyramid app defining a few static routes, e.g. :
>
> > for d in ('css', 'img', 'js'):
> >     config.add_static_view('%s' % d, 'mypkg:static/%s' % d,
> cache_max_age=3600)
>
> This allows me to use static assets in my templates, e.g.:
>
> > <img src="${request.static_url('mypkg:static/img/%s' % img_filename}" />
>
>
> Now, I would like to test in my view if "img_filename" corresponds to an
> existing file.
>
> Is there an easy way to get the physical file path from the asset
> specification ? Of course, I don't want to hardcode the image directory
> path in my code, and I'd also like to avoid having to add a new setting
> ("image_dir=...") to my development.ini.
>
> Many thanks in advance,
>
>
> Laurent.
>
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