serialized_message.py

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#!/usr/bin/python
#
# Copyright (C) 2012 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.

"""Prints the serialized bytese of a nav_msgs.Odometry message in hex.

This can be modified slightly to print the serialized bytes in hex for
arbitrary ROS messages and is useful for generating test cases for rosjava
message serialization.
"""

__author__ = 'damonkohler@google.com (Damon Kohler)'

import StringIO

import roslib; roslib.load_manifest('rosjava_test')
import rospy

import nav_msgs.msg as nav_msgs

message = nav_msgs.Odometry()
buf = StringIO.StringIO()
message.serialize(buf)
print ''.join('0x%02x,' % ord(c) for c in buf.getvalue())[:-1]