## Script (Python) "evanescent_content"
##bind container=container
##bind context=context
##bind namespace=
##bind script=script
##bind subpath=traverse_subpath
##parameters=arg=0,usepicture=0,showsecret=0,list=0
##title=
##
if list:
    #lines below have < and > in them and won't display correctly.
    print '
'
    print script.document_src()
    print '
'
    return printed

nuses=3 # change URL for secret image after 3 usages

def renew():
   global newvalue
   newvalue = int(random.random()*10000)
   try: context.manage_delProperties(['secretUrl'])
   except: pass
   context.manage_addProperty('secretUrl', newvalue, 'int', )

def secretUsed():
   ''' update count, renew secret after a few uses '''
   try: uses = context.secretUses+1
   except: uses=0
   if (uses>=nuses):
       renew()
       uses=0
   try: context.manage_delProperties(['secretUses'])
   except: pass
   context.manage_addProperty('secretUses', uses, 'int', )

def getSecret():
   ''' update count, renew secret after a few uses '''
   try: return context.secretUrl
   except: 
      renew()
      return context.secretUrl

if showsecret: return context.pics.troop_movementsi.data
if not context.hasProperty("secretUrl"):
   renew()
if int(arg)>0:
   if int(arg) == int(context.secretUrl):
      secretUsed()
      if not usepicture: 
         return "secretData"
      # return secret picture
      #line below has < and > in them and won't display correctly.
      return ''+str(context.pics.troop_movementsi)+'
Image that violates the DMCA.
Now click reload a few times. The URL doesn\'t change.'
      #

s = script.absolute_url()+'?arg='+str(context.secretUrl)+'&usepicture=1'
if not usepicture:  
   print "harmlessData, the secret code is now "+str(context.secretUrl)+". Can can use it %d times."%nuses
   print 
   print "Try: "
   #line below has < and > in them and won't display correctly.
   print '%s'%(s,s)
   return printed
#line below has < and > in them and won't display correctly.
return ''+str(context.pics.schnoodle_facei)+'
No secrets here. Secret URL now: %s'%(s,s)+''