#!/usr/bin/env python

# Program to sort Effelsberg webcam pics and make a movie
# Enno Middelberg, 3Dec2003

import string, os, time, sys


os.chdir('/homes/emiddelb/local/pics/eberg_movie/webcam') 

# create list of files in current working dir
files=os.listdir(os.getcwd())

# sort out eff_* files
eff_files=[]
# store system time
systime=time.time()
for x in files:
    if string.find(x, "eff_")!=-1:
        # check file size and modification time, omit if zero or older than 24 h = 86400 s
        filestats=os.stat(x)
        if filestats[6]!=0 and systime-filestats[8]<86400:
            # add timestamp of file and filename
            eff_files.append([filestats[8], x, time.gmtime(filestats[8]), systime-filestats[8]])
            #eff_files.append([filestats[8], x])
            
# sort files by timestamp
eff_files.sort()

# copy mpeg_encode parameter file and append list of files
os.system('cp mpeg-skel.par mpeg.par')
out=open('mpeg.par', 'a')

for x in eff_files:
    # print x[1], time.localtime(x[0])[3:6]
    out.write(x[1]+'\n')

out.write('END_INPUT\n')

# finally, make the movie and copy it to homepage
#os.system('mpeg_encode mpeg.par')
#os.system('cp effelsberg.mpg /homes/emiddelb/hp/outreach')