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2014-10-17 13:24:17 -0600	answered a question	ImportError package.msg Yes, I used the old build system because the tutorials said it was simpler. After loading the manifest, the script worked perfectly. Thank you very much for your help.
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2014-10-17 09:59:08 -0600	asked a question	ImportError package.msg Hi I have created a package(pwm), that contains a custom message(signal.msg). It seem to be compiled correctly. Because I can `ubuntu@arm:~/test/sandbox/pwm$ rosmsg show signal [pwm/signal]: uint8 freq uint8 duty ubuntu@arm:~/test/sandbox/pwm/msg$ ls signal.msg` When i run a script which use the message i got an error. `ubuntu@arm:~$ rosrun pwm scripts/talker.py Traceback (most recent call last): File "/home/ubuntu/test/sandbox/pwm/scripts/talker.py", line 4, in <module> from pwm.msg import signal ImportError: No module named pwm.msg` Could you help me please ? Here are some additional informations CMakeLists.txt ubuntu@arm:~/test/sandbox/pwm$ cat CMakeLists.txt cmake_minimum_required(VERSION 2.4.6) include($ENV{ROS_ROOT}/core/rosbuild/rosbuild.cmake) # Set the build type. Options are: # Coverage : w/ debug symbols, w/o optimization, w/ code-coverage # Debug : w/ debug symbols, w/o optimization # Release : w/o debug symbols, w/ optimization # RelWithDebInfo : w/ debug symbols, w/ optimization # MinSizeRel : w/o debug symbols, w/ optimization, stripped binaries #set(ROS_BUILD_TYPE RelWithDebInfo) rosbuild_init() #set the default path for built executables to the "bin" directory set(EXECUTABLE_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin) #set the default path for built libraries to the "lib" directory set(LIBRARY_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/lib) #uncomment if you have defined messages rosbuild_genmsg() #uncomment if you have defined services #rosbuild_gensrv() #common commands for building c++ executables and libraries #rosbuild_add_library(${PROJECT_NAME} src/example.cpp) #target_link_libraries(${PROJECT_NAME} another_library) #rosbuild_add_boost_directories() #rosbuild_link_boost(${PROJECT_NAME} thread) #rosbuild_add_executable(example examples/example.cpp) #target_link_libraries(example ${PROJECT_NAME}) export `ubuntu@arm:~/test/sandbox/pwm/msg$ export \| grep ROS declare -x ROSLISP_PACKAGE_DIRECTORIES="" declare -x ROS_DISTRO="indigo" declare -x ROS_ETC_DIR="/opt/ros/indigo/etc/ros" declare -x ROS_MASTER_URI="http://localhost:11311" declare -x ROS_PACKAGE_PATH="/home/ubuntu/test/sandbox:/opt/ros/indigo/share:/opt/ros/indigo/stacks" declare -x ROS_ROOT="/opt/ros/indigo/share/ros" declare -x ROS_WORKSPACE="/home/ubuntu/test"` Pythonpath `ubuntu@arm:~/test/sandbox/pwm/msg$ echo $PYTHONPATH /opt/ros/indigo/lib/python2.7/dist-packages` rosmake ubuntu@arm:~/test/sandbox/pwm$ rosmake [ rosmake ] rosmake starting... [ rosmake ] No package specified. Building ['pwm'] [ rosmake ] Packages requested are: ['pwm'] [ rosmake ] Logging to directory /home/ubuntu/.ros/rosmake/rosmake_output-20141015-233222 [ rosmake ] Expanded args ['pwm'] to: ['pwm'] [rosmake-0] Starting >>> catkin [ make ] [rosmake-0] Finished <<< catkin ROS_NOBUILD in package catkin No Makefile in package catkin [rosmake-0] Starting >>> genmsg [ make ] [rosmake-0] Finished <<< genmsg ROS_NOBUILD in package genmsg No Makefile in package genmsg [rosmake-0] Starting >>> genlisp [ make ] [rosmake-0] Finished <<< genlisp ROS_NOBUILD in package genlisp No Makefile in package genlisp [rosmake-0] Starting >>> genpy [ make ] [rosmake-0] Finished <<< genpy ROS_NOBUILD in package genpy No Makefile in package genpy [rosmake-0] Starting >>> gencpp [ make ] [rosmake-0] Finished <<< gencpp ROS_NOBUILD in package gencppive 4/25 Complete ] No Makefile in package gencpp [rosmake-0] Starting >>> message_generation [ make ] [rosmake-0] Finished <<< message_generation ROS_NOBUILD in package message_generation No Makefile in package message_generation [rosmake-0] Starting >>> cpp_common [ make ] [rosmake-0] Finished <<< cpp_common ROS_NOBUILD in package cpp_common No Makefile in package cpp_common [rosmake-0] Starting >>> rostime [ make ] [rosmake-0] Finished <<< rostime ROS_NOBUILD in package rostime No Makefile in package rostime [rosmake-0] Starting >>> roscpp_traits [ make ] [rosmake-0] Finished <<< roscpp_traits ROS_NOBUILD in package ... (more)