models.py 文件源码

def replace_relative_media_urls(text):
        if not settings.MEDIA_URL.startswith('/'):
            # Replace only if MEDIA_URL is relative
            return text

        # Find every occurrence of the MEDIA_URL that is either following a
        # whitespace, an equal sign or a quotation mark.
        pattern = re.compile(r'([\s="\'])(%s)' % re.escape(settings.MEDIA_URL))
        text = re.sub(pattern, r'\1%s\2' % settings.BASE_URL, text)
        return text