On Thu, Feb 14, 2008 at 4:12 PM, Mike Driscoll <[EMAIL PROTECTED]> wrote:

>
> Hi,
>
> I saw that SqlAlchemy is supposedly compatible with DBMechanic which
> is some kind of replacement for Catwalk. However, when following the
> DBMechanic website's instructions, I end up with an error. I do the
> following in my controller.py file:
>
> from model import metadata
> from dbsprockets.dbmechanic.frameworks.tg import DBMechanic
> from dbsprockets.saprovider import SAProvider
>
> class Root(controllers.RootController):
>    dbmechanic = DBMechanic(SAProvider(metadata), '/dbmechanic')
>
>   <rest of code cut for brevity ... >
>
>
> This gives me a huge traceback:
>
>
> Page handler: <bound method DBMechanic.index of
> <dbsprockets.dbmechanic.frameworks.tg.dbmechanic.DBMechanic object at
> 0x0178E410>>
> Traceback (most recent call last):
>  File "c:\python24\lib\site-packages\cherrypy-2.3.0-py2.4.egg\cherrypy
> \_cphttptools.py", line 121, in _run
>    self.main()
>  File "c:\python24\lib\site-packages\cherrypy-2.3.0-py2.4.egg\cherrypy
> \_cphttptools.py", line 264, in main
>    body = page_handler(*virtual_path, **self.params)
>  File "<string>", line 3, in index
>  File "c:\python24\lib\site-packages\TurboGears-1.0.4.3-py2.4.egg
> \turbogears\controllers.py", line 361, in expose
>    output = database.run_with_transaction(
>  File "<string>", line 5, in run_with_transaction
>  File "c:\python24\lib\site-packages\TurboGears-1.0.4.3-py2.4.egg
> \turbogears\database.py", line 406, in sa_rwt
>    retval = func(*args, **kw)
>  File "<string>", line 5, in _expose
>  File "c:\python24\lib\site-packages\TurboGears-1.0.4.3-py2.4.egg
> \turbogears\controllers.py", line 378, in <lambda>
>    mapping, fragment, args, kw)))
>  File "c:\python24\lib\site-packages\TurboGears-1.0.4.3-py2.4.egg
> \turbogears\controllers.py", line 418, in _execute_func
>    return _process_output(output, template, format, content_type,
> mapping, fragment)
>  File "c:\python24\lib\site-packages\TurboGears-1.0.4.3-py2.4.egg
> \turbogears\controllers.py", line 86, in _process_output
>    fragment=fragment)
>  File "c:\python24\lib\site-packages\TurboGears-1.0.4.3-py2.4.egg
> \turbogears\view\base.py", line 129, in render
>    return engine.render(**kw)
>  File "c:\python24\lib\site-packages\genshi-0.4.4-py2.4.egg\genshi
> \template\plugin.py", line 104, in render
>  File "c:\python24\lib\site-packages\genshi-0.4.4-py2.4.egg\genshi
> \core.py", line 154, in render
>  File "c:\python24\lib\site-packages\genshi-0.4.4-py2.4.egg\genshi
> \output.py", line 45, in encode
>  File "c:\python24\lib\site-packages\genshi-0.4.4-py2.4.egg\genshi
> \output.py", line 369, in __call__
>  File "c:\python24\lib\site-packages\genshi-0.4.4-py2.4.egg\genshi
> \output.py", line 618, in __call__
>  File "c:\python24\lib\site-packages\genshi-0.4.4-py2.4.egg\genshi
> \output.py", line 679, in __call__
>  File "c:\python24\lib\site-packages\genshi-0.4.4-py2.4.egg\genshi
> \output.py", line 459, in __call__
>  File "c:\python24\lib\site-packages\genshi-0.4.4-py2.4.egg\genshi
> \core.py", line 212, in _ensure
>  File "c:\python24\lib\site-packages\genshi-0.4.4-py2.4.egg\genshi
> \template\markup.py", line 252, in _include
>  File "c:\python24\lib\site-packages\genshi-0.4.4-py2.4.egg\genshi
> \template\markup.py", line 322, in _match
>  File "c:\python24\lib\site-packages\genshi-0.4.4-py2.4.egg\genshi
> \template\markup.py", line 252, in _include
>  File "c:\python24\lib\site-packages\genshi-0.4.4-py2.4.egg\genshi
> \template\markup.py", line 297, in _match
>  File "c:\python24\lib\site-packages\genshi-0.4.4-py2.4.egg\genshi
> \template\markup.py", line 286, in _strip
>  File "c:\python24\lib\site-packages\genshi-0.4.4-py2.4.egg\genshi
> \template\markup.py", line 242, in _exec
>  File "c:\python24\lib\site-packages\genshi-0.4.4-py2.4.egg\genshi
> \template\base.py", line 421, in _eval
>  File "c:\python24\lib\site-packages\genshi-0.4.4-py2.4.egg\genshi
> \template\eval.py", line 136, in evaluate
>  File "c:\python24\lib\site-packages\dbsprockets-0.2b1dev_r225-
> py2.4.egg\dbsprockets\dbmechanic\frameworks\tg\templates\index.html",
> line 11, in <Expression u'databaseView(value=databaseValue,
> controller=controller)'>
>    ${databaseView(value=databaseValue, controller=controller)}
>  File "c:\python24\lib\site-packages\ToscaWidgets-0.2rc3dev_r3795-
> py2.4.egg\toscawidgets\core.py", line 467, in __call__
>    return self.display(value, **kw)
>  File "c:\python24\lib\site-packages\ToscaWidgets-0.2rc3dev_r3795-
> py2.4.egg\toscawidgets\core.py", line 463, in display
>    kw = self.prepare_dict(value, kw)
>  File "c:\python24\lib\site-packages\ToscaWidgets-0.2rc3dev_r3795-
> py2.4.egg\toscawidgets\core.py", line 507, in prepare_dict
>    self.update_params(d)
>  File "c:\python24\lib\site-packages\ToscaWidgets-0.2rc3dev_r3795-
> py2.4.egg\toscawidgets\core.py", line 563, in update_params
>    self._calls_for_request
>  File "c:\python24\lib\site-packages\ToscaWidgets-0.2rc3dev_r3795-
> py2.4.egg\toscawidgets\util.py", line 235, in __get__
>    return getattr(request_local, self.name)
>  File "c:\python24\lib\site-packages\Paste-1.5.1-py2.4.egg\paste
> \registry.py", line 125, in __getattr__
>    return getattr(self._current_obj(), attr)
>  File "c:\python24\lib\site-packages\Paste-1.5.1-py2.4.egg\paste
> \registry.py", line 180, in _current_obj
>    raise TypeError(
> TypeError: No object (name: ToscaWidgets per-request storage) has been
> registered for this thread
>
>
> I am following the instructions found here:
> http://code.google.com/p/dbsprockets/
> Also, I am currently trying to work my way through the Spree tutorial
> found here: http://www.splee.co.uk/2006/10/14/simpleblog-part-1/
>
> Unfortunately, its code for creating a blog post via the tg-admin
> shell does not work which is why I was trying the dbMechanic. Any
> advice is welcome.
>
> Mike
>

Others are probably better qualified to answer this, but my guess is that
you need to set

toscawidgets.on=True

in your config file

see here for more details:
http://trac.turbogears.org/browser/projects/ToscaWidgets/trunk/docs/doc_index.txt

Kevin Horn

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