#NEWLINE# @ register . simple_tag #NEWLINE# def bootstrap_css( ) : #NEWLINE# #INDENT# "\n    Return HTML for Bootstrap CSS.\n    Adjust url in settings. If no url is returned, we don't want this statement\n    to return any HTML.\n    This is intended behavior.\n\n    Default value: ``None``\n\n    This value is configurable, see Settings section\n\n    **Tag name**::\n\n        bootstrap_css\n\n    **Usage**::\n\n        {% bootstrap_css %}\n\n    **Example**::\n\n        {% bootstrap_css %}\n    " #NEWLINE# urls = [ url for url in [ bootstrap_css_url ( ) , bootstrap_theme_url ( ) ] if url ] #NEWLINE# return mark_safe ( '' . join ( [ render_link_tag ( url ) for url in urls ] ) )