urllib : systematic exception in "quote" if called by "pathname2url" and "pathname" is a bytes object

[LaFronde1963]

Bug report

Bug description:

Originally I found this bug when using "livecd-creator" (Fedora 41 version). It can be reproduce whith this minimal code.

from urllib import request
url = b"test"
pathname = request.pathname2url(url)

CPython versions tested on:

3.13

Operating systems tested on:

Linux

Linked PRs

• gh-129683 : in 'urllib.request.pathname2url' adding test of the object type before calling 'quote' #129910

[StanFromIreland]

Full error message:

Traceback (most recent call last):
  File �[35m"/usr/lib64/python3.13/idlelib/run.py"�[0m, line �[35m590�[0m, in �[35mruncode�[0m
    �[31mexec�[0m�[1;31m(code, self.locals)�[0m
    �[31m~~~~�[0m�[1;31m^^^^^^^^^^^^^^^^^^^�[0m
  File �[35m"<pyshell#2>"�[0m, line �[35m1�[0m, in �[35m<module>�[0m
  File �[35m"/usr/lib64/python3.13/urllib/request.py"�[0m, line �[35m1679�[0m, in �[35mpathname2url�[0m
    return quote(pathname, encoding=encoding, errors=errors)
  File �[35m"/usr/lib64/python3.13/urllib/parse.py"�[0m, line �[35m908�[0m, in �[35mquote�[0m
    raise TypeError("quote() doesn't support 'encoding' for bytes")
�[1;35mTypeError�[0m: �[35mquote() doesn't support 'encoding' for bytes�[0m

[barneygale]

Hum! The Windows versions of these functions never worked properly with bytes, but the POSIX versions did until:

• c9b399f
• 97b2cea
• 5bb059f