import os
import cPickle as pickle
from library import Library


class SavedData:
	def __init__(self,options):
		path = os.path.join(options.user,".ocarina")
		path = os.path.join(path,"ocarina-data.data")
		self.size = (800,600)
		self.divider = 150
		self.library = Library()
		self.path = path

		if os.path.exists(path):
			try:
				self.load(path,options)
			except:
				if options.verbose == True:
					print "Error loading user data"


	# Dump user data to a file
	def dump(self):
		out = open(self.path,'w')
		p = pickle.Pickler(out,1)
		p.dump(self)
		out.close()


	# Read user data from the file
	def load(self,path,options):
		if options.verbose == True:
			print "User data found, loading..."
		p = pickle.Unpickler(open(path))
		data = p.load()
		self.size = data.size
		self.library = data.library
		self.divider = data.divider