On Tue, Sep 28, 2010 at 9:51 AM, Nigel Kersten <ni...@explanatorygap.net>wrote:
> On Tue, Sep 28, 2010 at 9:29 AM, Douglas Garstang
> <doug.garst...@gmail.com> wrote:
> > Has anyone got/seen Python code to read puppet reports?
> > I added a bunch of these:
> > class PuppetReport(yaml.YAMLObject):
> > yaml_tag = u'!ruby/object:Puppet::Transaction::Report'
> > def __init__(self, host, logs, metrics, records, time):
> > self.host = host
> > self.logs = logs
> > self.metrics = metrics
> > self.records = records
> > self.time = time
> > However, the Python YAML parser fails with:
> > "yaml.constructor.ConstructorError: expected a mapping node, but found
> > scalar"
> > On the ruby/sym line:
> > !ruby/sym config_retrieval: 0.853000164031982
> > I don't know how to define the classes to accept a scalar data type
> rather
> > than a mapping node data type, and Mr Google is giving me ZERO answers.
>
> Huh. This must have changed, as I was doing it in exactly the same
> way. Is that actually from an old list message of mine?
>
> I think you've misread the error message. It basically doesn't know
> what to do with !ruby/sym at all.
>
> It may turn out nowadays to be simpler to do the parsing in Ruby and
> loading the puppet libraries so you get all this for free.
>
> I'll have a poke around and see if I can work out how to coerce
> !ruby/sym to something Python can understand.
>
>
>
Nigel, yep. It's an old message post of yours. I tried it too, and had the
same issue as Eduardo.
It seems that it fails on !ruby/sym because:
yaml.constructor.ConstructorError: expected a mapping node, but found scalar
in "/var/lib/puppet/reports/foo.com/201009281644.yaml", line 3, column 5
where the code has:
class PuppetObj1(yaml.YAMLObject):
yaml_tag = u'!ruby/sym'
def __init__(self, attr):
self.attr = attr
I really don't know how a scalar node is supposed to differ from a mapping
node in the python code.
Doug.
Doug.
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