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1 # Software License Agreement (BSD License) 2 # 3 # Copyright (c) 2010, Willow Garage, Inc. 4 # All rights reserved. 5 # 6 # Redistribution and use in source and binary forms, with or without 7 # modification, are permitted provided that the following conditions 8 # are met: 9 # 10 # * Redistributions of source code must retain the above copyright 11 # notice, this list of conditions and the following disclaimer. 12 # * Redistributions in binary form must reproduce the above 13 # copyright notice, this list of conditions and the following 14 # disclaimer in the documentation and/or other materials provided 15 # with the distribution. 16 # * Neither the name of Willow Garage, Inc. nor the names of its 17 # contributors may be used to endorse or promote products derived 18 # from this software without specific prior written permission. 19 # 20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24 # COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 28 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 30 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 # POSSIBILITY OF SUCH DAMAGE. 32 # 33 # Revision $Id: ros_packages.py 11214 2010-09-23 05:06:22Z kwc $ 34 35 import rosh.plugin 36 from rosh.impl.packages import Packages, Stacks 37 38 # we use the general plugin loading framework to initialize to keep things tidy 39 _loaded_symbols = None41 global _loaded_symbols 42 if rosh.plugin.reentrant_load(_loaded_symbols, globals_): 43 return 44 45 ctx = plugin_context.ctx 46 rosh_lock = plugin_context.rosh_lock 47 48 _loaded_symbols = { 49 'packages': Packages(ctx, rosh_lock), 50 'stacks': Stacks(ctx, rosh_lock), 51 } 52 53 # save these symbols in the context 54 ctx.packages = _loaded_symbols['packages'] 55 ctx.stacks = _loaded_symbols['stacks'] 56 rosh.plugin.globals_load(plugin_context, globals_, _loaded_symbols)57
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