Getting a property based on the hostname

hostname.py

#!/usr/bin/env python2

# Demonstration for host to use the hostname to determine which property of the
# Field is "mine"

import socket
from geometry_msgs.msg import Pose2D
from bh_vision.msg import Field

hosts = {'BECKHAM': '1',
        'HOWARD': '2'}

def get_pose(field):
    hostname = socket.gethostname()
    hasProp = 'hasHome' + hosts[hostname]
    if getattr(field, hasProp, False):
        poseProp = 'home' + hosts[hostname]
        return getattr(field, poseProp)
    return None

def test():
    field = Field()
    field.hasHome1 = True
    field.home1 = Pose2D(1, 2, 3)
    field.hasHome2 = False
    print get_pose(field) # this returns either the pose for the current machine or None

if __name__ == '__main__':
    test()