Minifying static files (js & css) using django-pipeline results in empty files

Question

I have gone through all of the related posts similar to the issue I have, but none of them seem to solve my problem therefore my question.

When I run python manage.py collectstatic django-pipeline generates minified css file which has no content. Can someone please advise how I can resolve this issue. I don't see any errors in my terminal. Using django 1.5.

Here's my django-pipeline specific settings:

STATICFILES_STORAGE     = 'pipeline.storage.PipelineCachedStorage'
PIPELINE_ENABLED        = True
PIPELINE_CSS_COMPRESSOR = 'pipeline.compressors.yuglify.YuglifyCompressor'
PIPELINE_JS_COMPRESSOR  = 'pipeline.compressors.yuglify.YuglifyCompressor'
PIPELINE_YUGLIFY_BINARY = '/usr/bin/env yuglify'


PIPELINE_CSS = {
    'page_style': {                        
        'source_filenames': (                       
          'css/header.css',
          'css/content.css',
          'jqm/grid.css'
        ),
        'output_filename': 'assets/compressed/page_style.min.css', 
     }
}

Answer 1

Are you using Ubuntu and does typing node on the console return any output?

I just solved this (or a similar?) problem myself when I realized that I used apt-get to install Node(js) which turned out to install it as nodejs and not node (which is something else, according to Ubuntu).

If you which yuglify, you can find the path and edit the bang-line at the top to have to correct path to nodejs (it is currently #!/usr/bin/env node, for instance).

I changed mine to #!/usr/bin/env nodejs and it seemed to solve the problem.

YMMV.