{% load i18n %}
<form action="{% url translation %}" method="POST">{% csrf_token %}
        {{ trans_form}}
        <input type="submit" value="{% trans 'Change' %}">
    </form>

from django import forms
from django.utils.translation import ugettext_lazy as _
from portfolio.settings import LANGUAGES
class ChangeLang(forms.Form):
    lang = forms.ChoiceField(label=_('Language'), choices=LANGUAGES)

url(r'^translate/$', 'myi18n.views.get_translation', name='translation'),

from django.utils.translation import activate, check_for_language
from django.shortcuts import redirect
def get_translation(request):
    if request.POST:
        print request.items()
        lang = request.POST.get('lang')
        if lang and check_for_language(lang):
            if hasattr(request, 'session'):
                request.session['django_language'] = lang
            activate(lang)
    return redirect('show_main_page')

def customers(request):
	posts3=BlogPost.objects.order_by('-timestamp')[:3]
	return render_to_response('customers.html',{'title': u'Customers', 'news_prev3': posts3}, context_instance=RequestContext(request))