Re: CSRF verification failed. Request aborted.

as Kurtis said, you need  {% csrf_token %}  and your rendering response should be something like this: 

return render_to_response('index.html', {'your_key': your_value},context_instance=RequestContext(request))   and those your value will be rendered thru youe_key tag. 

here is how your form should look like: 

text = """<form method="post" action="/add/"> {% csrf_token %} 

    <input type="text" name="a" value="%d"> + <input type="text" 
name="b" value="%d"> 
    <input type="submit" value="="> <input type="text" value="%d"> 
</form>"""  

Am Samstag, 19. Mai 2012 04:20:39 UTC+2 schrieb plogu...@yahoo.com.cn:

I find a code, but the Django version is 0.9, I am using 1.4 and I am
a new learner, I want to run below code but report CSRF verification
failed.

from django.http import HttpResponse

text = """<form method="post" action="/add/">
    <input type="text" name="a" value="%d"> + <input type="text"
name="b" value="%d">
    <input type="submit" value="="> <input type="text" value="%d">
</form>"""

def index(request):
    if request.POST.has_key('a'):
        a = int(request.POST['a'])
        b = int(request.POST['b'])
    else:
        a = 0
        b = 0
    return HttpResponse(text % (a, b, a + b))

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