nano_manual_cmd

#! /usr/bin/env python
#
# This uses a mux_server.py (from mux_serial) on the localhost to run a
# commmand and prints out the next line it sees, this may not be the
# output of the command you requested if the arduino gets distracted
#
#	-- Daniel Frederick Crisman
#	MIT license 2016
#

import os, sys
import socket
import optparse


# Option parsing, duh
parser = optparse.OptionParser()

parser.add_option('-p', '--port',
				help = 'Host port',
				dest = 'port',
				type = 'int',
				default = 23200)
parser.add_option('-c', '--command',
				help = 'Command to send',
				dest = 'cmd',
				type = 'string')

(opts, args) = parser.parse_args()


# Setup client
server_address = ('localhost', opts.port)
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect(server_address)

# format command for the on wire serial format we use
if opts.cmd[0] != '(':
	opts.cmd = '(' + opts.cmd
if opts.cmd[-1] != ')':
	opts.cmd += ')'
opts.cmd = opts.cmd.upper()


print >>sys.stderr, 'MUX > Connected to %s:%d' % server_address
print >>sys.stderr, 'MUX > Use ctrl+c to stop...\n'
print >>sys.stderr, 'MUX > Command is "%s"\n' % opts.cmd


current_line = ''

s.send(opts.cmd)

##### MAIN
while True:
	try:
		# Read 1 char
		x = s.recv(1)

		# Ignore carriage returns
		if x == '\r':
			continue

		current_line += x

		if x == '\n':
                        print current_line
			current_line = ''
			break

	except:
		break

print >>sys.stderr, '\nMUX > Closing...'

s.close()

print >>sys.stderr, 'MUX > Done! =)'