proxy_transform_listener.py

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#!/usr/bin/env python

import roslib; roslib.load_manifest('flexbe_core')
import tf


class ProxyTransformListener(object):
    _listener = None
    
    def __init__(self):
        if ProxyTransformListener._listener is None:
                ProxyTransformListener._listener = tf.TransformListener()

    def listener(self):
        return ProxyTransformListener._listener