Okay, I've got such a button and I have copied a template from admin to
serve as a stand-in for it. I have created functions under ProvinceAdmin (in
myapp\admin.py) that look like:
** code **
def ProvinceAdmin(admin.ModelAdmin):
# other stuff
def add_random_samurai(self, request):
from django.http import HttpResponse
# do stuff
return HttpResponse("This is where the template will render.")
def get_urls(self):
from django.conf.urls.defaults import patterns
urls = super(ProvinceAdmin, self).get_urls()
my_urls = patterns('',
(r'^/(?P<province_id>\d+)/add_random_samurai/$',
self.admin_site.admin_view(self.add_random_samurai))
)
return my_urls + urls
** / code **
But I'm getting a ValueError:
invalid literal for int() with base 10: '1/add_random_samurai'
If I hardcode: (r'^/1/add_random_samurai/$',
self.admin_site.admin_view(self.add_random_samurai))
Then it works.
So I think my regular expression is not picking up the right integer. Can
you help me re-write the regular expression to catch the province number?
Or can I ignore the province number since I am presumably calling a function
from within the instance of the province I want to update? If so, how do I
tell the pattern matching to ignore that?
-Tim
On Fri, Feb 19, 2010 at 5:21 PM, Peter Herndon <tphern...@gmail.com> wrote:
>
> On Feb 19, 2010, at 5:51 PM, Timothy Kinney wrote:
>
> > So I have a nice little database now stocked with items and provinces.
> > I now want to generate random samurai and populate the database with
> > them. I can think of two ways to do this:
> >
> > 1) Through the admin interface. But how do I install a button that
> > will add a random samurai? Adding samurai is a built-in function on
> > the template, but the fields are always empty. Is there a
> > straightforward way to add another button called "Add Random Samurai"
> > that does the same thing but with the fields randomly filled from
> > appropriate choices?
> >
> > 2) Use a python script. This seems to have two possible methods:
> > a) Randomly generate samurai desired, output a JSON flatpage, and call
> > manage.py loaddata that_flatpage
> >
> > b) Randomly generate the samurai desired, access the database directly
> > and insert them using SQL syntax. (not very Django like)
> >
> > I have listed these in order of preference. Can someone tell me the
> > easiest way to implement a new admin button? I'm not even sure where
> > the admin templates are stored. :/
> >
> > -Tim
>
> Hi Tim,
>
> Docs for overriding admin are here:
> http://docs.djangoproject.com/en/1.1/ref/contrib/admin/#overriding-admin-templates
>
> You will probably want to override the change_form.html template at
> whatever level is appropriate for your needs (Province, if you are adding
> Samurai to random rooms), and add a button "Generate Random Samurai". That
> button will be the submit for a form that points to a view you will write.
> That view should generate a random number, loop over that number, create a
> Samurai object and assign it to a randomly-chosen Room (pick a random number
> from 1 through the total number of rooms, get the room via "room =
> Room.objects.get(pk=<random number>"). You will need to add a URL that will
> tie together the view and the submit button.
>
> For an added bonus, add an IntegerField to your form allowing you to set an
> upper bound on the number of Samurai generated.
>
> An approach similar to 2b would be to implement a custom management command
> (skeletal docs here:
> http://docs.djangoproject.com/en/1.1/howto/custom-management-commands/#howto-custom-management-commandsbut
> Google for better examples) that would allow you to run "python
> manage.py create_samurai". That command would use the same logic as I
> outlined for the view, and create Samurai via the ORM and assign them to
> random Rooms.
>
> ---Peter Herndon
>
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