ros_package_helper.py

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# Copyright (c) 2011, Dirk Thomas, Dorian Scholz, TU Darmstadt
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def get_package_path(name):
    """Helper function to determine the path of a ROS package either using rospkg or roslib."""
    try:
        import rospkg
        r = rospkg.RosPack()
        return r.get_path(name)
    except ImportError:
        import roslib
        return roslib.packages.get_pkg_dir(name)