tornado.py 文件源码

def _extended_header_value(value):
    if not value:
        return value

    if value.lower().startswith("iso-8859-1'") or value.lower().startswith("utf-8'"):
        # RFC 5987 section 3.2
        from urllib import unquote
        encoding, _, value = value.split("'", 2)
        return unquote(octoprint.util.to_str(value, encoding="iso-8859-1")).decode(encoding)

    else:
        # no encoding provided, strip potentially present quotes and call it a day
        return octoprint.util.to_unicode(_strip_value_quotes(value), encoding="utf-8")