import sys,os,re,datetime,psem
min_date=datetime.datetime(1,1,1,0,0,0);
max_date=datetime.datetime(9999,12,31,23,59,59);
n_logs=0;
uid=os.getuid();
gid=os.getgid();
pid=os.getpid();
shell="/bin/ksh";

def compress_log(server, year, month, day, hour, type, log):
        global min_date
        global n_logs
        p=os.path.join(os.getcwd(),year,month,day)
        log_date=datetime.datetime(int(year),int(month),int(day))
        if log_date < min_date:
                min_date = log_date
        n_logs += 1
        if not os.path.isdir(p):
                try:
                        os.makedirs(p,0750)
                        os.chown(p,uid,gid)
                except OSError,e:
                        if not os.path.isdir(p):
                                raise(e)
                                return(-1)
        cmd = 'bzip2 '+log+' && chown `id -un`:`id -gn` ' + log + '.bz2 && chmod 0640 '+ log + '.bz2 && if [ "$p" != "$CWD" ]; then mv ' + log + '.bz2' + ' ' + p + '; fi;' 
        pid = psem.fork()
        if pid == 0:
                os.execl(shell,shell,'-c',cmd)
        elif pid == -1:
                s = os.system(shell + " -c '" + cmd + "'")
                if os.WEXITSTATUS(s) != 0:
                        return( os.WEXITSTATUS(s) )
        return(0);