I will leave end of january so I don't have time to talk with accountant. My case is pretty straightforward. No work, just visitor, although, has stayed more than 183 days.
If you had no income and you don't have a canadian spouse / common law partner trying to claim credits/benefits based on you being a dependent then you may not have to file at all:
http://www.cra-arc.gc.ca/tx/ndvdls/tpcs/ncm-tx/flng-blgtns/menu-eng.html
If you had no income and you don't have a canadian spouse / common law partner trying to claim credits/benefits based on you being a dependent then you may not have to file at all: