def get_dirs(basedir):
    """
    Configuration of subdirectory names relative to the basedir.
    """
    return {
        'templates': basedir + '/templates', # Mako templates
        'content': basedir + '/content',  # Markdown files
        'output': basedir + '/htdocs',
        'static': basedir + '/static',
        'assets': basedir + '/assets', # only scss for now
        'data': basedir + '/data', # YAML, potentially sqlite
        'themes': basedir + '/themes', # extra static/assets/templates
        'python': basedir + '/py', # python modeles available to Mako templates
    }