generatemedia.py 文件源码

def get_css_content(handler, content, **kwargs):
    # Add $MEDIA_URL variable to CSS files
    content = content.replace('$MEDIA_URL/', settings.MEDIA_URL)

    # Remove @charset rules
    content = re.sub(r'@charset(.*?);', '', content)

    if not isinstance(handler, basestring):
        return content

    def fixurls(path):
        # Resolve ../ paths
        path = '%s%s/%s' % (settings.MEDIA_URL,
                            os.path.dirname(handler % dict(kwargs)),
                            path.group(1))
        while path_re.search(path):
            path = path_re.sub('/', path, 1)
        return 'url("%s")' % path

    # Make relative paths work with MEDIA_URL
    content = re.sub(r'url\s*\(["\']?([\w\.][^:]*?)["\']?\)',
                     fixurls, content)

    return content