def before_request():
try:
session['cart_id']
except:
u = uuid.uuid4()
user_agent = request.headers.get('User-Agent')
if user_agent is not None:
user_agent = user_agent.encode('utf-8')
base = 'cart: {0}|{1}|{2}'.format(_get_remote_addr(), user_agent, u)
if str is bytes:
base = text_type(base, 'utf-8', errors='replace') # pragma: no cover
h = sha512()
h.update(base.encode('utf8'))
session['cart_id'] = h.hexdigest()
def get_remote_addr():
return to_unicode(_get_remote_addr())