def load_meta_data(video_id):
	dane = None
	# load meta informations about video_id
	pickle_file = '{}{}/{}.p'.format(input, video_id, video_id)
	with open(pickle_file, 'rb') as f:
		dane = pickle.load(f)

		title = str(dane.name)
		leng = str(dane.duration)
		#print video_id, title
		_ = myCache.setdefault(video_id, {})
		_['title'] = title
		_['duration' ] = leng
		#print _


def load_sim_data(video_id):
	cosim_alles = None

	# load similar videos for video_id using method alles
	compare_file = '{}{}/compare_ddc.p'.format(input, video_id)
	with open(compare_file, 'rb') as f:
		cosim_alles = pickle.load(f)
		for i in cosim_alles[0:10]: # max 10 vorschlaege
			_ = myData.setdefault(video_id, {})
			print _
			_ = _.setdefault('alles', OrderedDict())
			_id = i[1].split('/', 1)[1]
			if '.txt' in _id:
				_id = _id.rstrip('.txt')
			_id = int(_id)
			_ = _.setdefault(_id, {'title': get_cache_data(_id)['title'], 'duration': get_cache_data(_id)['duration'], 'sim': i[2]})
			#print get_cache_data(_id)['title']