nova team mailing list archive

[Michael Gundlach <michael.gundlach@xxxxxxxxxxxxx>]

Hi Andy,

On Fri, Aug 13, 2010 at 10:50 AM, Andy Smith <andyster@xxxxxxxxx> wrote:

> What is the current use case for this? If it is simply that somebody would
> prefer to parse xml than to parse json and there is not already a defined
> output format they are expecting then xmlrpclib will already dump arbitrary
> python dicts of primitives into strings
>

The use case is that the Rackspace API supports both XML and JSON requests,
and Nova is supposed to support the current Rackspace API spec.


>  I don't see why somebody would prefer to try to parse xml over json in
> the first place as it is slower and doesn't represent the data is
> succinctly, but if they are there is no need for us to invent any further
> data formats, xmlrpc is ugly but so is xml and there are already parsers for
> xmlrpc.
>

The Rackspace spec's XML output is basically the RESTful format used by Ruby
on Rails.  The good news is that this format maps closely to JSON or to a
dict; the bad news is that XML requires a bit more information than JSON, so
a regular dict won't suffice on its own.

Michael


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