Directory listing in SimpleHTTPRequestHandler does not work well in non-UTF-8 locale #133889

$ LC_ALL=uk_UA ./python -m test -vuall test_httpservers -m test_undecodable_parameter
...
test_undecodable_parameter (test.test_httpservers.SimpleHTTPServerTestCase.test_undecodable_parameter) ... ----------------------------------------
Exception occurred during processing of request from ('127.0.0.1', 48062)
Traceback (most recent call last):
  File "/home/serhiy/py/cpython/Lib/socketserver.py", line 318, in _handle_request_noblock
    self.process_request(request, client_address)
    ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/serhiy/py/cpython/Lib/socketserver.py", line 349, in process_request
    self.finish_request(request, client_address)
    ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/serhiy/py/cpython/Lib/socketserver.py", line 362, in finish_request
    self.RequestHandlerClass(request, client_address, self)
    ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/serhiy/py/cpython/Lib/http/server.py", line 721, in __init__
    super().__init__(*args, **kwargs)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
  File "/home/serhiy/py/cpython/Lib/socketserver.py", line 766, in __init__
    self.handle()
    ~~~~~~~~~~~^^
  File "/home/serhiy/py/cpython/Lib/http/server.py", line 485, in handle
    self.handle_one_request()
    ~~~~~~~~~~~~~~~~~~~~~~~^^
  File "/home/serhiy/py/cpython/Lib/http/server.py", line 473, in handle_one_request
    method()
    ~~~~~~^^
  File "/home/serhiy/py/cpython/Lib/http/server.py", line 725, in do_GET
    f = self.send_head()
  File "/home/serhiy/py/cpython/Lib/http/server.py", line 769, in send_head
    return self.list_directory(path)
           ~~~~~~~~~~~~~~~~~~~^^^^^^
  File "/home/serhiy/py/cpython/Lib/http/server.py", line 874, in list_directory
    encoded = '\n'.join(r).encode(enc, 'surrogateescape')
  File "/home/serhiy/py/cpython/Lib/encodings/koi8_u.py", line 12, in encode
    return codecs.charmap_encode(input,errors,encoding_table)
           ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
UnicodeEncodeError: 'charmap' codec can't encode character '\ufffd' in position 178: character maps to <undefined>
encoding with 'koi8-u' codec failed
----------------------------------------
ERROR

======================================================================
ERROR: test_undecodable_parameter (test.test_httpservers.SimpleHTTPServerTestCase.test_undecodable_parameter)
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Traceback (most recent call last):
  File "/home/serhiy/py/cpython/Lib/test/test_httpservers.py", line 559, in test_undecodable_parameter
    response = self.request(self.base_url + '/?x=%bb').read()
               ~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/serhiy/py/cpython/Lib/test/test_httpservers.py", line 131, in request
    return self.connection.getresponse()
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
  File "/home/serhiy/py/cpython/Lib/http/client.py", line 1430, in getresponse
    response.begin()
    ~~~~~~~~~~~~~~^^
  File "/home/serhiy/py/cpython/Lib/http/client.py", line 331, in begin
    version, status, reason = self._read_status()
                              ~~~~~~~~~~~~~~~~~^^
  File "/home/serhiy/py/cpython/Lib/http/client.py", line 300, in _read_status
    raise RemoteDisconnected("Remote end closed connection without"
                             " response")
http.client.RemoteDisconnected: Remote end closed connection without response

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