#!/usr/bin/python
import  sys
#sys.path.append('//')
import rrdtool, tempfile

DAY = 86400
YEAR = 365 * DAY
fd,path = tempfile.mkstemp('.png')

rrdtool.graph(path,
		'--imgformat', 'PNG',
		'--width', '540',
		'--height', '100',
		'--start', "-%i" % YEAR,
		'--end', "-1",
		'--vertical-label', 'Downloads/Day',
		'--title', 'Annual downloads',
		'--lower-limit', '0',
		'DEF:downloads=downloads.rrd:downloads:AVERAGE',
		'AREA:downloads#990033:Downloads')

info = rrdtool.info('downloads.rrd')
print info['last_update']
print info['ds[downloads].minimal_heartbeat']