I would try request.session.get('cart_id', None) instead of
request.session['card_id'].

Both act the same if the key exist in the dict. When the key is
missing, the first return the second value (None in this case) while
the second raise a Key Error exception.

2016-11-05 13:10 GMT+01:00 Shazia Nusrat <[email protected]>:
> Hi,
>
> I am using doorsale repo for building ecommerce site due to it's simplicity
> but I am stuck at the error while trying to catch cart session ID.
>
> The repo link is:
>
> https://github.com/mysteryjeans/doorsale
>
> Error traceback is below:
>
>
> Request Method: POST
> Request URL: http://localhost:8000/sales/checkout/order/
>
> Django Version: 1.9.11
> Python Version: 2.7.12
> Installed Applications:
> ('django.contrib.admin',
>  'django.contrib.auth',
>  'django.contrib.contenttypes',
>  'django.contrib.sessions',
>  'django.contrib.sites',
>  'django.contrib.messages',
>  'django.contrib.staticfiles',
>  'doorsale',
>  'doorsale.geo',
>  'doorsale.pages',
>  'doorsale.accounts',
>  'doorsale.catalog',
>  'doorsale.sales',
>  'doorsale.financial',
>  'doorsale.payments',
>  'sorl.thumbnail',
>  'pipeline')
> Installed Middleware:
> ('django.contrib.sessions.middleware.SessionMiddleware',
>  'django.middleware.common.CommonMiddleware',
>  'django.middleware.csrf.CsrfViewMiddleware',
>  'django.contrib.auth.middleware.AuthenticationMiddleware',
>  'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
>  'django.contrib.messages.middleware.MessageMiddleware',
>  'django.middleware.clickjacking.XFrameOptionsMiddleware')
>
>
>
> Traceback:
>
> File
> "/home/osboxes/Desktop/doorsaleproj/local/lib/python2.7/site-packages/django/core/handlers/base.py"
> in get_response
>   149.                     response =
> self.process_exception_by_middleware(e, request)
>
> File
> "/home/osboxes/Desktop/doorsaleproj/local/lib/python2.7/site-packages/django/core/handlers/base.py"
> in get_response
>   147.                     response = wrapped_callback(request,
> *callback_args, **callback_kwargs)
>
> File
> "/home/osboxes/Desktop/doorsaleproj/local/lib/python2.7/site-packages/django/utils/decorators.py"
> in inner
>   184.                     return func(*args, **kwargs)
>
> File
> "/home/osboxes/Desktop/doorsaleproj/local/lib/python2.7/site-packages/django/views/generic/base.py"
> in view
>   68.             return self.dispatch(request, *args, **kwargs)
>
> File
> "/home/osboxes/Desktop/doorsaleproj/local/lib/python2.7/site-packages/django/views/generic/base.py"
> in dispatch
>   88.         return handler(request, *args, **kwargs)
>
> File
> "/home/osboxes/Desktop/doorsaleproj/local/lib/python2.7/site-packages/doorsale/sales/views.py"
> in post
>   351.             cart_id = request.session['cart_id']
>
> File
> "/home/osboxes/Desktop/doorsaleproj/local/lib/python2.7/site-packages/django/contrib/sessions/backends/base.py"
> in __getitem__
>   50.         return self._session[key]
>
> Exception Type: KeyError
>
> Please advice.
>
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-- 

Cordialement, Coues Ludovic
+336 148 743 42

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