[issue3609] does parse_header really belong in CGI module?

[Martin Panter]

Martin Panter added the comment:

HTTP policy sounds as good a place as any, especially if/when it is blessed as a stable API.

Another related function is the undocumented http.cookiejar.split_header_words(), which seems more flexible than cgi.parse_headers(). It accepts multiple and comma-separated header values, splits on spaces as well as semicolons, and retains parameters without equal signs. Currently I have code that abuses the Message.get_params() and get_param() methods, which could probably benefit from split_header_words():

# Parse RTSP Transport headers like
# Transport: RTP/AVP/TCP;interleaved=0-1, RTP/AVP;unicast;client_port=5004
for value in header_list(self.headers, "Transport"):  # Splits at commas
    header = email.message.Message()
    # Default get_params() header is Content-Type
    header["Content-Type"] = value
    [transport, _] = header.get_params()[0]  # Gets the RTP/AVP part
    
    mode = header.get_param("mode", "PLAY")
    channel = header.get_param("interleaved")
    if header.get_param("unicast") is not None:
        port = header.get_param("client_port")
    ...

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue3609>
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