import os, csv, ftplib

folder_path="local_path"
csvfile="output.txt"
ftp_server="hostname"
ftp_username="username"
ftp_password="password"
ftp_directory="remote_path"

def csvOldName(file):
    old_name_split = file.split('.')
    old_name = old_name_split[0] + '_old.' + old_name_split[1]
    return old_name

def refreshFolders(path, csvfile):
    file = open(csvfile, 'w+')
    files = [0]
    sub = "."
    list=os.listdir(path)
    foldernum = -1
    for fname in list:
        if os.path.isdir(folder_path + fname):
            foldernum += 1
            file.write(fname + "," + str(os.path.getmtime(folder_path + fname)) + "\n")
    file.close()

def checkFTPFolders(server, username, password, path, csvfile):
    ftp = ftplib.FTP()
    ftp.connect(server)
    ftp.login(username, password)
    cmd = "RETR " + csvfile
    f = open(csvOldName(csvfile),"wb")
    ftp.retrbinary(cmd,f.write)
    f.close()
    reader = csv.reader(open(csvfile, "r"))
    print "New values"
    for row in reader:
        print row
        if float(row[1]) > os.path.getmtime(path + csvOldName(csvfile)):
            print "Folder <" + row[0] + "> was recently updated/created."
    reader = csv.reader(open(csvOldName(csvfile), "r"))
    print "Old values"
    for row in reader:
        print row
        if os.path.exists(path + row[0]) and os.path.getmtime(path + row[0]) > float(row[1]):
            print "Folder <" + row[0] + "> was recently updated."
            ftp.
        elif os.path.exists(path + row[0]) and os.path.getmtime(path + row[0]) < float(row[1]):
            print "Folder <" + row[0] + "> is outdated."
        elif os.path.exists(path + row[0]) and os.path.getmtime(path + row[0]) == float(row[1]):
            print "Folder <" + row[0] + "> is current."
        else:
            print "Folder <" + row[0] + "> was recently deleted."
    ftp.delete(csvfile)
    cmd = "STOR " + csvfile
    upload_file = open(path + csvfile)
    ftp.storbinary(cmd, upload_file)
    ftp.quit()

refreshFolders(folder_path, csvfile)
checkFTPFolders(ftp_server, ftp_username, ftp_password, folder_path, csvfile)