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Re: CWM Bug: Should Only See First and Rest in List Mode

From: Tim Berners-Lee <timbl@w3.org>
Date: Wed, 14 Aug 2002 15:23:04 -0400
Cc: "Dan Connolly" <connolly@w3.org>, <www-archive+n3bugs@w3.org>
To: "Sean B. Palmer" <sean@mysterylights.com>
Message-Id: <416570C3-AFBB-11D6-A399-000393914268@w3.org>


On Tuesday, August 13, 2002, at 10:36 AM, Sean B. Palmer wrote:

> This bug comes up quite often for me.
>
> Example test input:-
>
>    this log:forAll :x, :y, :z .
>    [ :blargh ("y" "z") ] .
>    { :x :blargh :y } log:implies { :y :blarghOf :z } .
>

Did you in fact mean to say
@prefix log:  <http://www.w3.org/2000/10/swap/log#>.
@prefix : <#>.

  this log:forAll :x, :y, :z .
    [ :blargh ("y" "z") ] .
    { :x :blargh :y } log:implies { :y :blarghOf :x }

or did you really want to bind to the variable :z?

It should in any case have repeated the list on output,
once as subject and once as object.

(Cwm has different bugs. it seems, with pretty-printing the two files!)

If it holds you up, the --bySubject output might get you the data if you
don't have formulae you need.

The pretty-printing stuff is no fun to debug ...no promises.

Tim

> The error raised:-
>
>             Traceback (most recent call last):
>   File "/home/2000/10/swap/cwm.py", line 615, in ?
>     doCommand()
>   File "/home/2000/10/swap/cwm.py", line 607, in doCommand
>     _store.dumpNested(workingContext, _outSink)
>   File "/home/2000/10/swap/llyn.py", line 1549, in dumpNested
>     self.dumpFormulaContents(context, sink, sorting=1)
>   File "/home/2000/10/swap/llyn.py", line 1570, in dumpFormulaContents
>     self._dumpSubject(currentSubject, context, sink, sorting, 
> statements)
>   File "/home/2000/10/swap/llyn.py", line 1638, in _dumpSubject
>     self.dumpStatement(sink, s.quad, sorting)
>   File "/home/2000/10/swap/llyn.py", line 1680, in dumpStatement
>     self.dumpStatement(sink, t.quad, sorting)
>   File "/home/2000/10/swap/llyn.py", line 1701, in dumpStatement
>     self._outputStatement(sink, triple)
>   File "/home/2000/10/swap/llyn.py", line 1387, in _outputStatement
>     sink.makeStatement(self.extern(triple))
>   File "/home/2000/10/swap/notation3.py", line 922, in makeStatement
>     raise RuntimeError ("Should only see first and rest in list mode",
> triple)
> RuntimeError: ('Should only see first and rest in list mode', ((1,
> 'file:/home/list-mode.n3#0_work'), (0, 'file:/home/list-
> mode.n3#blarghOf'),
> (3, 'file:/home/list-mode.n3#_g1'), (0, 'file:/home/list-mode.n3#z')))
>
> CWM version:-
>
> #Processed by Id: cwm.py,v 1.103 2002/08/08 02:03:35 timbl Exp
> #       notation3.py,v 1.114 2002/08/07 14:32:21 timbl Exp
>
> DanC has come across this error before, last September, but it was for a
> different test case:-
>
> http://ilrt.org/discovery/chatlogs/rdfig/2001-09-19.html#T21-08-30
>
> and one which, I might add, now works:-
>
> $ cwm --rdf http://www.daml.org/2001/03/daml+oil --n3 | wc
>     401    1419   13296
>
> Cheers,
>
> --
> Kindest Regards,
> Sean B. Palmer
> @prefix : <http://purl.org/net/swn#> .
> :Sean :homepage <http://purl.org/net/sbp/> .
Received on Wednesday, 14 August 2002 15:23:18 GMT

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