get_expiry_age()  
Returns the number of seconds until this session expires. For sessions with no custom expiration (or those set to expire at browser close), this will equal SESSION_COOKIE_AGE.
This function accepts two optional keyword arguments:
- 
modification: last modification of the session, as adatetimeobject. Defaults to the current time.
- 
expiry: expiry information for the session, as adatetimeobject, anint(in seconds), orNone. Defaults to the value stored in the session byset_expiry(), if there is one, orNone.
 
      
  	
  	
Please login to continue.