[Grok-dev] megrok.rdb setup error

Thu May 10 18:05:26 UTC 2012

You need to pin some libraries…

                       'megrok.rdb>=0.12',
                        'SQLAlchemy<=0.7',
                        'z3c.saconfig>=0.12',
                        'psycopg2>=2.4.2',

that setup works for me.

Jeffrey Peterson
bgpete3 at gmail.com

On May 10, 2012, at 11:26 AM, Mauro Boschi wrote:

> Hi to all,
> I'm new with Grok!
> 
> As in http://grok.zope.org/documentation/how-to/orm-using-megrok.rdb-and-sqlalchemy
> 
> I have added megrok.rdb to setup.py
> 
> install_requires=['setuptools',
>          ...
>          # Add extra requirements here
>          'megrok.rdb'
>          ],
> 
> than run bin/buildout
> 
> restarting Grok I see this error:
> 
> # bin/paster serve --reload parts/etc/deploy.ini 
> Starting subprocess with file monitor
> Traceback (most recent call last):
> File "bin/paster", line 20, in <module>
>  paste.script.command.run()
> File "/home/usytis/.buildout/eggs/PasteScript-1.7.5-py2.7.egg/paste/script/command.py", line 104, in run
>  invoke(command, command_name, options, args[1:])
> File "/home/usytis/.buildout/eggs/PasteScript-1.7.5-py2.7.egg/paste/script/command.py", line 143, in invoke
>  exit_code = runner.run(args)
> File "/home/usytis/.buildout/eggs/PasteScript-1.7.5-py2.7.egg/paste/script/command.py", line 238, in run
>  result = self.command()
> File "/home/usytis/.buildout/eggs/PasteScript-1.7.5-py2.7.egg/paste/script/serve.py", line 284, in command
>  relative_to=base, global_conf=vars)
> File "/home/usytis/.buildout/eggs/PasteScript-1.7.5-py2.7.egg/paste/script/serve.py", line 321, in loadapp
>  **kw)
> File "/home/usytis/.buildout/eggs/PasteDeploy-1.3.4-py2.7.egg/paste/deploy/loadwsgi.py", line 203, in loadapp
>  return loadobj(APP, uri, name=name, **kw)
> File "/home/usytis/.buildout/eggs/PasteDeploy-1.3.4-py2.7.egg/paste/deploy/loadwsgi.py", line 224, in loadobj
>  return context.create()
> File "/home/usytis/.buildout/eggs/PasteDeploy-1.3.4-py2.7.egg/paste/deploy/loadwsgi.py", line 617, in create
>  return self.object_type.invoke(self)
> File "/home/usytis/.buildout/eggs/PasteDeploy-1.3.4-py2.7.egg/paste/deploy/loadwsgi.py", line 163, in invoke
>  app = context.app_context.create()
> File "/home/usytis/.buildout/eggs/PasteDeploy-1.3.4-py2.7.egg/paste/deploy/loadwsgi.py", line 617, in create
>  return self.object_type.invoke(self)
> File "/home/usytis/.buildout/eggs/PasteDeploy-1.3.4-py2.7.egg/paste/deploy/loadwsgi.py", line 109, in invoke
>  return fix_call(context.object, context.global_conf, **context.local_conf)
> File "/home/usytis/.buildout/eggs/PasteDeploy-1.3.4-py2.7.egg/paste/deploy/util/fixtypeerror.py", line 57, in fix_call
>  val = callable(*args, **kw)
> File "/home/usytis/.buildout/eggs/grokcore.startup-1.2-py2.7.egg/grokcore/startup/startup.py", line 14, in application_factory
>  return zope.app.wsgi.getWSGIApplication(zope_conf)
> File "/home/usytis/.buildout/eggs/zope.app.wsgi-3.13.0-py2.7.egg/zope/app/wsgi/__init__.py", line 162, in getWSGIApplication
>  db = config(configfile, schemafile, features)
> File "/home/usytis/.buildout/eggs/zope.app.wsgi-3.13.0-py2.7.egg/zope/app/wsgi/__init__.py", line 150, in config
>  appsetup.config(options.site_definition, features=features)
> File "/home/usytis/.buildout/eggs/zope.app.appsetup-3.15.0-py2.7.egg/zope/app/appsetup/appsetup.py", line 111, in config
>  context = xmlconfig.file(file, context=context, execute=execute)
> File "/home/usytis/.buildout/eggs/zope.configuration-3.7.4-py2.7.egg/zope/configuration/xmlconfig.py", line 649, in file
>  include(context, name, package)
> File "/home/usytis/.buildout/eggs/zope.configuration-3.7.4-py2.7.egg/zope/configuration/xmlconfig.py", line 548, in include
>  processxmlfile(f, context)
> File "/home/usytis/.buildout/eggs/zope.configuration-3.7.4-py2.7.egg/zope/configuration/xmlconfig.py", line 380, in processxmlfile
>  parser.parse(src)
> File "/usr/lib/python2.7/xml/sax/expatreader.py", line 107, in parse
>  xmlreader.IncrementalParser.parse(self, source)
> File "/usr/lib/python2.7/xml/sax/xmlreader.py", line 123, in parse
>  self.feed(buffer)
> File "/usr/lib/python2.7/xml/sax/expatreader.py", line 207, in feed
>  self._parser.Parse(data, isFinal)
> File "/usr/lib/python2.7/xml/sax/expatreader.py", line 349, in end_element_ns
>  self._cont_handler.endElementNS(pair, None)
> File "/home/usytis/.buildout/eggs/zope.configuration-3.7.4-py2.7.egg/zope/configuration/xmlconfig.py", line 359, in endElementNS
>  self.context.end()
> File "/home/usytis/.buildout/eggs/zope.configuration-3.7.4-py2.7.egg/zope/configuration/config.py", line 558, in end
>  self.stack.pop().finish()
> File "/home/usytis/.buildout/eggs/zope.configuration-3.7.4-py2.7.egg/zope/configuration/config.py", line 706, in finish
>  actions = self.handler(context, **args)
> File "/home/usytis/.buildout/eggs/zope.configuration-3.7.4-py2.7.egg/zope/configuration/xmlconfig.py", line 548, in include
>  processxmlfile(f, context)
> File "/home/usytis/.buildout/eggs/zope.configuration-3.7.4-py2.7.egg/zope/configuration/xmlconfig.py", line 380, in processxmlfile
>  parser.parse(src)
> File "/usr/lib/python2.7/xml/sax/expatreader.py", line 107, in parse
>  xmlreader.IncrementalParser.parse(self, source)
> File "/usr/lib/python2.7/xml/sax/xmlreader.py", line 123, in parse
>  self.feed(buffer)
> File "/usr/lib/python2.7/xml/sax/expatreader.py", line 207, in feed
>  self._parser.Parse(data, isFinal)
> File "/usr/lib/python2.7/xml/sax/expatreader.py", line 349, in end_element_ns
>  self._cont_handler.endElementNS(pair, None)
> File "/home/usytis/.buildout/eggs/zope.configuration-3.7.4-py2.7.egg/zope/configuration/xmlconfig.py", line 359, in endElementNS
>  self.context.end()
> File "/home/usytis/.buildout/eggs/zope.configuration-3.7.4-py2.7.egg/zope/configuration/config.py", line 558, in end
>  self.stack.pop().finish()
> File "/home/usytis/.buildout/eggs/zope.configuration-3.7.4-py2.7.egg/zope/configuration/config.py", line 706, in finish
>  actions = self.handler(context, **args)
> File "/home/usytis/.buildout/eggs/z3c.autoinclude-0.3.3-py2.7.egg/z3c/autoinclude/zcml.py", line 51, in includeDependenciesDirective
>  info = DependencyFinder(dist).includableInfo(['configure.zcml', 'meta.zcml'])
> File "/home/usytis/.buildout/eggs/z3c.autoinclude-0.3.3-py2.7.egg/z3c/autoinclude/dependency.py", line 24, in includableInfo
>  module = resolve(dotted_name)
> File "/home/usytis/.buildout/eggs/zope.dottedname-3.4.6-py2.7.egg/zope/dottedname/resolve.py", line 38, in resolve
>  __import__(used)
> File "/home/usytis/.buildout/eggs/megrok.rdb-0.12-py2.7.egg/megrok/rdb/__init__.py", line 1, in <module>
>  from megrok.rdb.components import Model, Container, QueryContainer
> File "/home/usytis/.buildout/eggs/megrok.rdb-0.12-py2.7.egg/megrok/rdb/components.py", line 46, in <module>
>  class Container(MappedCollection):
> File "/home/usytis/.buildout/eggs/megrok.rdb-0.12-py2.7.egg/megrok/rdb/components.py", line 62, in Container
>  @collection.on_link
> zope.configuration.xmlconfig.ZopeXMLConfigurationError: File "/home/usytis/second/parts/etc/site.zcml", line 4.2-4.30
>  ZopeXMLConfigurationError: File "/home/usytis/second/src/second/configure.zcml", line 4.2-4.37
>  AttributeError: type object 'collection' has no attribute 'on_link'
> 
> If I try with sqlalchemy it works!
> 
> Thanks a lot!_______________________________________________
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