>>> m = Mapper()
>>> m.resource('location', 'locations',
... parent_resource=dict(member_name='region',
... collection_name='regions'))
>>> # path_prefix is "regions/:region_id"
>>> # name prefix is "region_"
>>> url('region_locations', region_id=13)
'/regions/13/locations'
>>> url('region_new_location', region_id=13)
'/regions/13/locations/new'
>>> url('region_location', region_id=13, id=60)
'/regions/13/locations/60'
>>> url('region_edit_location', region_id=13, id=60)
'/regions/13/locations/60/edit'
http://routes.groovie.org/manual.html#resource-options
return redirect_to('file', id=file_id)
と
return redirect_to('files', id=file_id)
は違う
