python - Django view, how to change deleting an object -

i have 2 models:

class country(models.model):     name = models.charfield(verbose_name="name of country", max_length=100, default="australia")     number = models.integerfield(verbose_name="number of country", default="1")      def __unicode__(self):         return self.name  class world(models.model):     country = models.manytomanyfield(country)     name = models.charfield(verbose_name="new map", max_length=100)      def __unicode__(self):         return self.name 

now, when create world few countries inside have view:

def my_world(request, pk):     world = get_object_or_404(world, pk=pk)     return render(request, 'game/my_world.html', {'world': world}) 

and html file:

{% country in world.country.all %}         <a href="{% url 'game.views.delete_country' pk=country.pk %}">{{ country.name }}</a> {% endfor %} 

delete view:

def delete_country(request, pk):     country = get_object_or_404(country, pk=pk)     country.delete()     return render(request, 'game/my_world.html', {'world': world}) 

url:

url(r'^world/(?p<pk>[%&+ \w]+)/$', views.my_world), url(r'^world/(?p<pk>[%&+ \w]+)/$', views.delete_country, name='delete_country'), 

that's invented

now have in my_world list of countries , when click 1 of deleted. want change it:

1. how change delete country choosen world within world?
2. how after automatically return my_world?(probably primary key current option not work)

if don't want delete country altogether, remove specific world, need way of identifying world mean. you'll need in url:

url(r'^world/(?p<world_pk>\d+)/(?p<country_pk>\d+)/$', views.delete_country, name='delete_country'), 

and can link in template with:

{% url 'game.views.delete_country' world_pk=world.pk, country_pk=country.pk %} 

now view can world , remove specific country. note answer second question use redirect shortcut:

def delete_country(request, world_pk, country_pk):     world = get_object_or_404(world, pk=pk)     country = get_object_or_404(country, pk=pk)     world.country.remove(country)     return redirect("my_world", pk=world.pk) 

also note it's pretty bad idea have delete action triggered simple link. action modifies database - 1 deletes - should done via form post.