[ros-users] Dynamic reconfigure not compiling

[koen buys]

On 16 December 2010 18:17, Blaise Gassend <blaise at willowgarage.com> wrote:
> Hi Koen,
>
>> Where can I find the ParameterGenerator API that is loaded in the cfg files?
>
> Currently there isn't one. Test.cfg contains all the basic invocations
> that are relevant, so it should be easy to work by example.
>
>> However it doesn't build, if someone has a hint:
>
> It appears that the dependency generator is failing, because it cannot
> find the roslib.msgs module. Strangely, it is an import of rospy that
> is ultimately leading to the failure.
>
> You gendeps can run it manually like this:
> {{{
> blaise at bnl: /opt/ros/cturtle/stacks/driver_common/dynamic_reconfigure
> $ rosrun dynamic_reconfigure gendeps cfg/Test.cfg
> Finding dependencies for cfg/Test.cfg
> /usr/lib/python2.6/random.py
> /usr/lib/python2.6/subprocess.py
> ....
> }}}
>

koen at pma-09-031 ~/ros_unstable_svn/driver_common/dynamic_reconfigure $
rosrun dynamic_reconfigure gendeps cfg/Test.cfg
Finding dependencies for cfg/Test.cfg
***********************************************************************************
load_module did not return. Unable to determine dependencies for file
listed above.
***********************************************************************************
Traceback (most recent call last):
  File "/home/koen/ros_unstable_svn/driver_common/dynamic_reconfigure/cmake/gendeps",
line 64, in <module>
    imp.load_module("__main__", f, srcfile, ('.cfg', 'U', 1))
  File "cfg/Test.cfg", line 38, in <module>
    from dynamic_reconfigure.parameter_generator import *
  File "/home/koen/ros_unstable_svn/driver_common/dynamic_reconfigure/src/dynamic_reconfigure/__init__.py",
line 39, in <module>
    import rospy
  File "/home/koen/ros_unstable_svn/ros_comm/clients/rospy/src/rospy/__init__.py",
line 51, in <module>
    from .client import spin, myargv, init_node, \
  File "/home/koen/ros_unstable_svn/ros_comm/clients/rospy/src/rospy/client.py",
line 50, in <module>
    import roslib.msg
ImportError: No module named msg



> Does running Test.cfg work?
> rosrun dynamic_reconfigure Test.cfg
>

koen at pma-09-031 ~/ros_unstable_svn/driver_common/dynamic_reconfigure $
rosrun dynamic_reconfigure Test.cfg
Traceback (most recent call last):
  File "/home/koen/ros_unstable_svn/driver_common/dynamic_reconfigure/cfg/Test.cfg",
line 38, in <module>
    from dynamic_reconfigure.parameter_generator import *
  File "/home/koen/ros_unstable_svn/driver_common/dynamic_reconfigure/src/dynamic_reconfigure/__init__.py",
line 39, in <module>
    import rospy
  File "/home/koen/ros_unstable_svn/ros_comm/clients/rospy/src/rospy/__init__.py",
line 51, in <module>
    from .client import spin, myargv, init_node, \
  File "/home/koen/ros_unstable_svn/ros_comm/clients/rospy/src/rospy/client.py",
line 50, in <module>
    import roslib.msg
ImportError: No module named msg


> Can you do that import for rospython?
> {{{
> blaise at bnl: /opt/ros/cturtle/stacks/driver_common/dynamic_reconfigure
> $ rospython
>>>> import roslib.msgs
>>>>
> }}}
>

koen at pma-09-031 ~/ros_unstable_svn/driver_common/dynamic_reconfigure $ rospython
>>> import roslib.msgs
>>>


> Which version of ROS are you running? I see that you seem to be
> running ROS from unstable svn. Are you sure that that version is
> entirely working?
>

koen at pma-09-031 ~/ros_unstable_svn/ros $ rosversion ros
1.3.2

koen at pma-09-031 ~/ros_unstable_svn/driver_common/dynamic_reconfigure $ svn info
Path: .
URL: https://code.ros.org/svn/ros-pkg/stacks/driver_common/tags/unstable/dynamic_reconfigure
Repository Root: https://code.ros.org/svn/ros-pkg
Repository UUID: eb33c2ac-9c88-4c90-87e0-44a10359b0c3
Revision: 34791
Node Kind: directory
Schedule: normal
Last Changed Author: blaise
Last Changed Rev: 33791
Last Changed Date: 2010-11-09 22:37:21 +0100 (Tue, 09 Nov 2010)


> Does the src/msgs directory actually exist in your roscore package?
>
> Blaise
>
>> ~/ros_unstable_svn/driver_common/dynamic_reconfigure $ rosmake --pre-clean
>>
>>  MSG: gencfg_cpp on:Test.cfg
>>  Finding dependencies for
>> /home/koen/ros_unstable_svn/driver_common/dynamic_reconfigure/cfg/Test.cfg
>>  ***********************************************************************************
>>  load_module did not return. Unable to determine dependencies for
>> file listed above.
>>  ***********************************************************************************
>>  Traceback (most recent call last):
>>    File "/home/koen/ros_unstable_svn/driver_common/dynamic_reconfigure/cmake/gendeps",
>> line 64, in <module>
>>      imp.load_module("__main__", f, srcfile, ('.cfg', 'U', 1))
>>    File "/home/koen/ros_unstable_svn/driver_common/dynamic_reconfigure/cfg/Test.cfg",
>> line 38, in <module>
>>      from dynamic_reconfigure.parameter_generator import *
>>    File "/home/koen/ros_unstable_svn/driver_common/dynamic_reconfigure/src/dynamic_reconfigure/__init__.py",
>> line 39, in <module>
>>      import rospy
>>    File "/home/koen/ros_unstable_svn/ros_comm/clients/rospy/src/rospy/__init__.py",
>> line 51, in <module>
>>      from .client import spin, myargv, init_node, \
>>    File "/home/koen/ros_unstable_svn/ros_comm/clients/rospy/src/rospy/client.py",
>> line 50, in <module>
>>      import roslib.msg
>>  ImportError: No module named msg
>>  CMake Error at cmake/cfgbuild.cmake:65 (string):
>>    string sub-command REPLACE requires at least four arguments.
>>  Call Stack (most recent call first):
>>    cmake/cfgbuild.cmake:83 (gencfg_cpp)
>>    CMakeLists.txt:12 (include)
>>  -- Configuring incomplete, errors occurred!
>> -------------------------------------------------------------------------------}
>> [ rosmake ] Output from build of package dynamic_reconfigure written to:
>> [ rosmake ]    /home/koen/.ros/rosmake/rosmake_output-20101216-135608/dynamic_reconfigure/build_output.log
>> [rosmake-1] Finished <<< dynamic_reconfigure [FAIL] [ 3.66 seconds ]
>> [ rosmake ] Halting due to failure in package dynamic_reconfigure.
>> [ rosmake ] Waiting for other threads to complete.
>> [ rosmake ] Results:
>> [ rosmake ] Cleaned 26 packages.
>> [ rosmake ] Built 27 packages with 1 failures.
>> [ rosmake ] Summary output to directory
>> [ rosmake ] /home/koen/.ros/rosmake/rosmake_output-20101216-135608
>>
>>
>> $ svn info
>> Path: .
>> URL: https://code.ros.org/svn/ros-pkg/stacks/driver_common/tags/unstable/dynamic_reconfigure
>> Repository Root: https://code.ros.org/svn/ros-pkg
>> Repository UUID: eb33c2ac-9c88-4c90-87e0-44a10359b0c3
>> Revision: 34791
>> Node Kind: directory
>> Schedule: normal
>> Last Changed Author: blaise
>> Last Changed Rev: 33791
>> Last Changed Date: 2010-11-09 22:37:21 +0100 (Tue, 09 Nov 2010)
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