Diez B. Roggisch wrote:
>> http://docs.turbogears.org/1.0/UnifiedControllers
>>
>> It's quite useful but unfortunately buried in the documentation.
>>
>
> OMFG. That's one piece of ugly code.
Wait, wait!
I am trying to get rid of a similar Piece Of Ugly Code.
I feel guilty for having used that, sure, but at the time I couldn't
cover my use cases in other ways.
The applications I see on cogbin are usually very different from my stuff.
And, despite having been well served by TG, I am still a bit confused
about some "best practices".
My issue may be naive, but as I already had a way to handle it (by
torturing a validator at runtime with a sharp red-hot decorator), it
never became a priority to canonize the code.
Say I have these methods:
> @require(not_anonymous())
> @expose('project.templates.report')
> def index(self, tg_errors, **kw):
> ....
>
> @require(not_anonymous())
> @expose()
> @validate(form=nice_report_form)
> @error_handler(index)
> def retrieve_report(self, **data):
> try:
> ret = report.generate_report(**data)
> return ret
> except XLSError, msg:
> flash.warning(msg)
> raise tg.redirect('/index')
The retrieve_report() method generates an Excel file.
If there are >65k rows, or any kind of error, I'd like to reload the
form with the flash message and the same parameters.
Conversion from POST to GET in case of post-validation errors, is ok.
Now, in the last line, the form parameters are lost, and I cannot use
'data' since it's already been converted.
Passing
redirect_params = cherrypy.request.params
seems to be the wrong thing to do, because the dictionary is serialized
as such, and I am redirected to:
'/index?' + urlencode(str(cherrypy.request.params))
In the meanwhile, cherrypy.request.original_params is empty.
This begs the question:
Am I supposed to recreate a query string from the request.params (in
dotted notation, taking into account multi-valued widgets...) or should
I access cherrypy's raw data as submitted to the form?
How? I already lost some time on CherryPy source.
Thank you.
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