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1.2
date	2003.06.28.21.03.16;	author georg;	state Exp;
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1.1
date	2003.06.28.21.02.32;	author georg;	state Exp;
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1.2
log
@*** empty log message ***
@
text
@#!/usr/bin/env python

import string,sys
import time,os,stat
import traceback

version = "$Id: fte-image-checker.py,v 1.9 2002/07/01 11:03:06 georg Exp georg $"

maxage=100 # seconds
workdir="/home/httpd/htdocs/sunpendulum/fte/img"
offline="off.jpg"
files="""azores.jpg
bermuda.jpg
cairo.jpg
dubai.jpg
ensenada.jpg
granada.jpg
maui.jpg
neworleans.jpg
hongkong.jpg"""

class Picture:
  def __init__ (self,fpath,offline):
    self.fpath = fpath
    self.offline = offline
    self.isOffline = 0
    self.doit()

  def __str__(self):
    return ("%14s, Age: %6d, Next check: %3d" % (self.fpath,self.getAge(),self.checkInSec()))

  def getAge(self): # return Age
    try: 
      age = time.time()-os.stat(self.fpath)[stat.ST_MTIME]
    except e:
      sys.stdout.write("%s %s\n" % (str(e),str(self)))
      sys.stdout.flush()
    return age

  def checkInSec(self):
    u = maxage - self.getAge()
    if u > 0:
      return u
    else:
      return maxage

  def setOffline(self): # copy the offline thing 
    if not self.isOffline: # Status change
      self.isOffline = 1
      sys.stdout.write("setting offline: %s\n" % str(self))
      sys.stdout.flush()
      offline_mtime = os.stat(self.fpath)[stat.ST_MTIME]
      o=open(self.offline)
      i=open(self.fpath,"w")
      i.write(o.read())
      i.close()
      o.close()
      os.utime(self.fpath,(offline_mtime,offline_mtime))
 
  def setOnline(self):
    if self.isOffline: # Status change
      self.isOffline = 0
      sys.stdout.write("recovered: %s\n" % str(self))
      sys.stdout.flush()

  def isOk(self): # no data manipulatio
    tooOld = self.getAge() > maxage
    if not tooOld:
      sys.stdout.write("    online: %s\n" % str(self))
      sys.stdout.flush()
    else:
      sys.stdout.write( "    OFFLINE:%s\n" % str(self))
      sys.stdout.flush()
    return (not tooOld)

  def doit(self):
    if self.isOk():
      self.setOnline()
    else:
      self.setOffline()

  def __cmp__ (self,other):
    a = self.checkInSec()
    b = other.checkInSec()
    return int(((a > b) - 0.5)*2)

if __name__ == '__main__':
  os.chdir(workdir)
  f=string.split(files,"""
""")
  l=[]
  for i in f:
    try:
      l.append(Picture(i,offline))
    except: 
      sys.stdout.write("Error with %s\n" % i)
      sys.stdout.flush()
  l.sort()
  while 1:
    for i in l:
      # sys.stdout.write( i
      try:
        i.doit()
      except:
        traceback.print_stack ()
    l.sort()
    sleep=l[0].checkInSec()
    if sleep >= maxage:
      sys.stdout.write( "All are offline\n")
      sys.stdout.flush()
    sys.stdout.write( "  sleeping: %d\n" % sleep)
    sys.stdout.flush()
    time.sleep(sleep)
@


1.1
log
@Initial revision
@
text
@d10 1
a10 1
workdir="/home/httpd/sunpendulum/fte/img"
d19 2
a20 1
neworleans.jpg"""
@