code: def get_config(context):
      
  
      conf_vars = ['disqus_developer',
                   'disqus_identifier',
                   'disqus_url',
                   'disqus_title',
                   'disqus_category_id'
                   ]
  
      js = '\tvar {} = "{}";'
  
      output = [js.format(item, context[item]) for item in conf_vars \
                if item in context]
  
      return '\n'.join(output)
docs: Return the formatted javascript for any disqus config variables.