#!/usr/bin/env python2

import sys
import yaml
import socket
import threading

need_decode = lambda s: list( filter( lambda c: ord(c) >= 128, s ) ) 

my_decode = lambda s: s.decode('utf-8') if need_decode(s) else s

def func(port, f_out):
	ss = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
	ss.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
	ss.bind(('', port))
	ss.listen(5)
	(fd, adr) = ss.accept()	
	s = fd.recv(1024)
	f_out.write(s)
	f_out.close()
	fd.close()
	ss.close()

if __name__ == "__main__":
	if len(sys.argv) < 3:
		sys.stderr.write('Usage: {} input.yaml output.yaml\n'.format(sys.argv[0]))
		sys.exit(1)

	f = open(sys.argv[1], 'r')
	d = yaml.load(f)
	f.close()

	d = dict( map( lambda kv: ( kv[0], kv[1].encode('utf-8') ), d.items() ) )

	foo = d.get('foo')
	bar = d.get('bar')
	d['hoge'] = foo + ' ' + bar
	d['fuga'] = 'foo={} bar={}'.format(foo, bar)
	d['guha'] = '(^_^)'.join( d.values() )
	
	d = dict( map( lambda kv: ( kv[0], my_decode(kv[1]) ), d.items() ) )

	s = yaml.dump(d, default_flow_style=False, allow_unicode=True)

	port = 11233
	f_out = open(sys.argv[2], 'w')
	th = threading.Thread( target=func, args=(port, f_out) )
	th.daemon = True
	th.start()

	fd = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
	fd.connect(('localhost', port))
	fd.sendall(s)
	th.join()
# EOF