Re: svntest parsing output of `svn proplist --verbose`

On Tue, Jul 28, 2009 at 6:00 AM, Arfrever Frehtes Taifersar
Arahesis<arfrever.fta_at_gmail.com> wrote:
> 2009-07-28 06:49:22 David Glasser napisał(a):
>> On Mon, Jul 27, 2009 at 9:12 PM, Hyrum K. Wright<hyrum_at_hyrumwright.org> wrote:
>> > On Jul 27, 2009, at 10:31 AM, Julian Foad wrote:
>> >
>> >> On Mon, 2009-07-20 at 23:23 -0400, James Abbatiello wrote:
>> >>> Currently svntest parses the output of `svn proplist --verbose` to
>> >>> retrieve the list of properties for an item.  When the output format
>> >>> of this command changed between 1.5 and 1.6, svntest was updated to
>> >>> understand the new format (but only the new format).  As a result you
>> >>> need matched versions of svn and svntest in order for it to function
>> >>> correctly.  It is not forward or backward compatible.
>> >>>
>> >>> This is apparently not a problem for development of Subversion but
>> >>> cvs2svn pulls in svntest as an external and uses it with whatever
>> >>> version of svn that the user currently has installed.  Things break
>> >>> when the user doesn't have the expected version installed.
>> >>>
>> >>> It would be nice if svntest would be able to query properties
>> >>> successfully even when run with 1.5.  Writing a parser that
>> >>> understands both text formats seems difficult but there's the '--xml'
>> >>> option to output in XML format and it seems made for just this
>> >>> situation.  Is there something precluding the use of the XML format
>> >>> for svntest?
>> >>
>> >> I don't think there is anything precluding the use of "svn proplist
>> >> --xml" for svntest's property-checking functions.
>> >
>> > Nor do I, just as long as we make sure to still test the "standard"
>> > output somewhere in the testsuite.
>>
>> The Python versions we support ship with an XML parser, right?
>
> Apparently yes:
>
> $ python3.1 -c 'from xml.dom.minidom import parseString'

I didn't even think python3.1 was *a* version we support, let alone exhaustive.

--dave

-- 
glasser_at_davidglasser.net | langtonlabs.org | flickr.com/photos/glasser/
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