import ftplib, os, shutil, re

host = "ftp.server.com"
port = 21
user = "username"
password = "password"
user = ""
password = ""

ftp = ftplib.FTP()
ftp.connect(host,port)
ftp.login(user,password)

def output(out):
	return 0

def copy_directory(directory="", depth=0,exceptions = None):
	if exceptions != None and len(exceptions) > 0:
		re_str = ("(" + "|".join(exceptions) + ")").lower()
	else:
		re_str = "^$"
	if exceptions == None:
		exceptions = []
	elif re.match(re_str,directory.lower()):
		return
	newdir = os.path.join(os.getcwd(),host)
	if(directory != ""):
		newdir = os.path.join(os.getcwd(),directory)
		
	if(os.path.exists(newdir)):
		shutil.rmtree(newdir)
	os.mkdir(newdir)
	os.chdir(newdir)
	files = []
	try:
		ftp.cwd(directory)
	except ftplib.error_perm:
		return
	try:
			files = ftp.nlst()
	except ftplib.error_perm:
			print((" "+("  |" * (depth))+"-No Files in Folder"))
	print(" "+("  |" * (depth)))
	if(len(files) == 0):
		print(" "+("  |" * (depth))+"-No Files in Folder")
	for f in files:
		if(f == "." or f == ".."):
				continue
		print(" "+("  |" * (depth))+"-"+f,"- (IGNORED)" if re.match(re_str,f.lower()) else "")
		if re.match(re_str,f.lower()):
			continue
		try:
			ftp.size(f)
			local_f = os.path.join(os.getcwd(),f)
			fh = open(local_f, "wb")
			ftp.retrbinary("RETR "+f, fh.write, 8*1024)
			fh.close()
		except ftplib.error_perm as err:
			if(err.args[0].count("553") > 0):
				continue
			copy_directory(f,depth+1,exceptions)
	print(" "+("  |" * (depth-1)))
	ftp.cwd("..")
	os.chdir("..")

copy_directory()