[ python-Bugs-946130 ] xmlrpclib omits charset in Content-Type HTTP header

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Bugs item #946130, was opened at 2004-05-02 00:30
Message generated for change (Comment added) made by lemburg
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Christian Schmidt (c960657)
Assigned to: Nobody/Anonymous (nobody)
Summary: xmlrpclib omits charset in Content-Type HTTP header

Initial Comment:
When xmlrpclib makes an HTTP request, it always sends
the HTTP header line "Content-Type: text/xml". The
encoding of the XML document is specified in the <?xml
...?> tag, e.g. <?xml version='1.0' encoding='utf-8'?>.

However, when XML is transferred over HTTP, the charset
specified in the HTTP Content-Type header takes
precedence over that in the document itself, i.e. the
encoding specified in th <?xml?> tag should be ignored
(RFC 3023 section 3.1). If the charset is not specified
in the Content-Type header, it defaults to us-ascii.

xmlrpclib currently specifies the charset in the
encoding attribute of the <?xml?> tag and not in the
HTTP header. The XML-RPC server thus treats the XML
document as us-ascii instead of the specified encoding.

xmlrpclib should specify the encoding in the
Content-Type header.

Disclaimer: I am no expert in XML and MIME-types, so I
might be wrong about this.

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>Comment By: M.-A. Lemburg (lemburg)
Date: 2004-05-02 12:59

Message:
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I don't see anything wrong with the way xmlrpclib deals
with the encoding.

You right on one point: HTTP defaults to Latin-1 as charset,
but since the content may well be non-Latin-1, xmlrpclib
should probably also place the encoding information into the
HTTP header (for requests it sends out).

However, this is rarely a problem, since clients usually don't
follow the HTTP way of interpreting the charset when seeing
text/xml as content type... xmlrpclib itself certainly
doesn't :-)


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