icebreaker/icebreaker.py

   1 #!/usr/bin/env python
   2
   3 import sys, os
   4 from sqlobject import *
   5 import datetime
   6 from datetime import datetime
   7 from time import strptime
   8
   9 # Import variables from config file.
  10 execfile('config.py')
  11
  12 class playlists(SQLObject):
  13     _connection = conn
  14     name = StringCol()
  15     description = StringCol()
  16     position = IntCol()
  17     monday = StringCol()
  18     tuesday = StringCol()
  19     wednesday = StringCol()
  20     thursday = StringCol()
  21     friday = StringCol()
  22     saturday = StringCol()
  23     sunday = StringCol()
  24     current = BoolCol()
  25
  26 class Log:
  27     """file like for writes with auto flush after each write
  28     to ensure that everything is logged, even during an
  29     unexpected exit."""
  30     def __init__(self, f):
  31         self.f = f
  32     def write(self, s):
  33         self.f.write(s)
  34         self.f.flush()
  35
  36 def main():
  37     #change to data directory if needed
  38     os.chdir("/mnt/icebreaker/")
  39     #redirect outputs to a logfile
  40     sys.stdout = sys.stderr = Log(open(LOGFILE, 'a+'))
  41     #ensure the that the daemon runs a normal user
  42 #    os.setegid(100)     #set group
  43 #    os.seteuid(1000)     #set user
  44     #change all 1's to 0 in current
  45     while BLAH
  46         #check date/time
  47         n=datetime.now().strftime("%H:%M")
  48         #find day of week
  49         d=datetime.weekday(n)
  50         #check playlists table for list
  51         #put in a loop, iterate through the database and parse all times, comparing starts.
  52
  53             start = #time from playlists :: compare to current time, use timedelta
  54             stop = #time from playlists :: find way to make it stick
  55             # convert string time to real time object
  56             start1=datetime.time(datetime(*strptime(start, "%H:%M")[0:6])).strftime("%H:%M")
  57             stop1=datetime.time(datetime(*strptime(stop, "%H:%M")[0:6])).strftime("%H:%M")
  58
  59         # make days in columns
  60         # time in tuples per playlist :: make in [start:stop],[start:stop] form?
  61
  62
  63
  64         # set a boolean to 'list'
  65
  66         #### Move this to list script
  67         #if list not true
  68         #    shuffle from files
  69
  70         #change 0 for current list to 1
  71
  72
  73 if __name__ == "__main__":
  74     # do the UNIX double-fork magic, see Stevens' "Advanced
  75     # Programming in the UNIX Environment" for details (ISBN 0201563177)
  76     try:
  77         pid = os.fork()
  78         if pid > 0:
  79             # exit first parent
  80             sys.exit(0)
  81     except OSError, e:
  82         print >>sys.stderr, "fork #1 failed: %d (%s)" % (e.errno, e.strerror)
  83         sys.exit(1)
  84
  85     # decouple from parent environment
  86     os.chdir("/")   #don't prevent unmounting....
  87     os.setsid()
  88     os.umask(0)
  89
  90     # do second fork
  91     try:
  92         pid = os.fork()
  93         if pid > 0:
  94             # exit from second parent, print eventual PID before
  95             #print "Daemon PID %d" % pid
  96             open(PIDFILE,'w').write("%d"%pid)
  97             sys.exit(0)
  98     except OSError, e:
  99         print >>sys.stderr, "fork #2 failed: %d (%s)" % (e.errno, e.strerror)
 100         sys.exit(1)
 101
 102     # start the daemon main loop
 103     main()