pvr_poweron.py

#!/volume1/@appstore/python/bin/python
import datetime, os, json

# Write upcoming Tvheadend recording start dates to Synology power scheduler
# i.e. turn on your Synology so Tvheadend can record.
# Usage: ./pvr_poweron.py > /etc/power_sched.conf (or use cron)

# location of Tvheadend PVR-schedule files:
PVR_DIR="/usr/local/tvheadend/var/dvr/log"
# Day-code constants for power scheduler Monday-Sunday:
DAYS = (16908288, 17039360, 17301504, 17825792, 18874368, 20971520, 16842752)

# read in all the recording start dates
start_dates = []
for f in os.listdir(PVR_DIR):
    f = open(os.path.join(PVR_DIR,f), 'r')
    data = f.read()
    f.close()
    data = json.loads(data)
    start_dates.append(int(data.get('start')))

# print out config file, with upcoming dates
print '[Power On schedule]'
for date in start_dates:
    date = date - 600
    d = datetime.datetime.fromtimestamp(date)
    n = datetime.datetime.now()
    #print d.isoformat()
    day_constant = DAYS[d.weekday()]
    time_offset = 256*d.hour + d.minute
    time_code = day_constant + time_offset
    if d > n: print time_code
print '[Power Off schedule]'