Turbogears 2 / Dynamically set template

[pkraus]

I have a search controller that has a customer_search method that uses a specific template.

The content is loaded via ajax load calls in may different parts of my application. The controller method is the same as all it does is perform a search and return the results however depending on what part of my application is doing the search I need to change the view of those results. I could do this with a huge single genshi template but for maintenance and code sanity it makes sense to me to just have multiple views running of the single controller method.

   @expose('erp.templates.search.customer_search') <--- I would like to be able to change this
    def customer_search(self,customer_query):
        results = do_search_stuff(customer_query)
        return dict(results = results)
     
For instance depending on where the app is called I might need the results returned via json, or a different genshi template that displays the results in a more meaningful way depending on where the results were called from.

Reading the forum I found a solution but it was for tg1 and based in kid it said to just return tg_template in the dictionary. This doesn't work and it doesn't solve the problem for when would need to return json.

Thoughts?

--Just a suggestion, but there might be some value in having a tg2 and tg1 group so that searching can yield more specific results.

[Alessandro Molina]

TurboGears2 exposes both use_custom_format and override_template
functions which can be called inside your controller to override
templates.

I suggest to use a custom_format with use_custom_format which is
cleaner, but both do their job.

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[Chris Lambacher]

Should be something like:

from tg.decorators import override_template

@expose('erp.templates.search.customer_search')

def customer_search(self,customer_query):
    results = do_search_stuff(customer_query)

    if some_condition:

        override_template(self, 'erp.templates.search.newtemplate')

    return dict(results = results) 

-Chris

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Christopher Lambacher
ch...@kateandchris.net

[Maxim Oganesyan]

Alessandro, Chris, have a nice day.

Tried today to override template. Strange things happened. Code looks like:

----
class AjaxController(BaseController):
    @expose('myproject.templates.ajax.passport') #for some html requests
    @expose('json') #for json requests
    def mymethod(self, id, category='menu'):
        keys = ['passport', 'volumes']
        if category == 'menu':
            return dict(length=len(keys), elements=keys) #returned when /ajax/mymethod/1/menu.json requested, works fine.
        elif category in keys:
            if category == 'pasport':
                ...
                # some stuff with ORM
                ...
                return dict(params=params) #returned when /ajax/mymethod/1/passport requested, works fine.
            elif category == 'volumes':
                override_template(self, 'myproject.templates.ajax.volumes') # 'myproject.templates.ajax.passport' is still exposed
                ...
                # some stuff with ORM
                ...
                return dict(params=params) #returned when /ajax/mymethod/1/volumes requested
----

Looks like I'm doing something wrong. Any idea?
AjaxController linked to RootController using "ajax = AjaxController()". I didn't find any examples of using 'override_template' except Yours. So I am stuck...

Max.

PS: Christopher, I'm sorry. Looks like 1-st time I sent question to Your email.

[Maxim Oganesyan]

Well, after half-day of searching I found some example, that pointed to my mistake.
I should point override_template not to controller, but to method. Should be:
override_template(self.mymethod, 'myproject.templates.ajax.volumes')
instead of:
override_template(self, 'myproject.templates.ajax.volumes')

Sorry to trouble.
Max.

[Alessandro Molina]

override_template wants the controller method for which to override the template.

In your case should be override_template(AjaxController.mymethod,  'myproject.templates.ajax.volumes')

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