a simplified version of https://github.com/CodingMinds/world_simulator/blob/master/demos/random_agent.py

random_agent.py

#!/usr/bin/env python

# A simple demo of a random acting agent which terminates if he found
# food. The amount of attempts will be printed to stdout
# 01.11.12 M. Bittorf <[email protected]>
# 16.11.12 M. Bittorf <[email protected]> (updated)
# 18.12.12 M. Bittorf <[email protected]> (simplified)
import random
import socket
import sys
import re

# config
host = 'localhost'
port = 4567
world = '' #<0.0.0> X Y

# create an INET, STREAMing socket
try:
	s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
except socket.error, msg:
	print >> sys.stderr, "Failed to create socket. Error code: "
	+ str(msg[0]) + " , Error message : " + msg[1]
	sys.exit()

# resolve
try:
	remote_ip = socket.gethostbyname( host )
except socket.gaierror:
	print >> sys.stderr, 'Hostname could not be resolved. Exiting'
	sys.exit()

# connect and receive greeting
s.connect((host, port))
s.recv(1024)

# try to load a world
try:
	s.sendall("world load " + world + "\r\n")
	data = s.recv(1024)
	if "200" not in data:
		print >> sys.stderr, "No world available."
		sys.exit()
except socket.error, msg:
	print >> sys.stderr, "Failed to communicate with server."
	sys.exit()

# go and search food
try:
	data = ""
	counter = 0
	move = -1
	
	while "food" not in data:
		while not ":" in data:
			s.sendall("environ\r\n")
			data = s.recv(1024)
		
		data = ''.join(re.findall('[0-9]+:[\.FO*]+', data))
		fitness, sep, env = data.partition(":")
		
		pos = 0
		moves = list()
		for i in env:
			pos += 1
			if "." == i or "F" == i:
				moves.append(pos)
		
		# debug stuff ..
		if len(moves) == 0:
			print >> sys.stderr, data
		
		move = moves[random.randint(0,len(moves)-1)]
		s.sendall("move " + str(move) + "\r\n")
		data = s.recv(1024)
		counter+=1
	print counter
except socket.error, msg:
	print >> sys.stderr, "Failed to communicate with server."
	sys.exit()

# close connection
s.close()