# views.py

@render_to('edit_password.html')
def edit_password(request):
    if request.method == 'POST':
        form = EditPasswordForm(request, request.POST)
        if form.is_valid():
            pass
        else:
            return {'form': form}
    form = EditPasswordForm()
    return {'form': form}


# forms.py

class EditPasswordForm(forms.Form):
    def __init__(self, *args, **kwargs):
        self.request = kwargs.pop('request', None)
        super(EditPasswordForm, self).__init__(*args, **kwargs)

    old_password = forms.CharField(max_length=32, widget=forms.PasswordInput(attrs={'class': 'confirm'}))
    new_password = forms.CharField(max_length=32, widget=forms.PasswordInput(attrs={'class': 'confirm'}))
    new_password_confirmation = forms.CharField(max_length=32, widget=forms.PasswordInput(attrs={'class': 'confirm'}))

    def clean(self):
        if not check_password(request.user, self.cleaned_data['old_password']):
            raise forms.ValidationError(u"Old password isnt correct")
        if self.cleaned_data['new_password'] != self.cleaned_data['new_password_confirmation']:
            raise forms.ValidationError(u"password didnt match")
        return self.cleaned_data