[ros-users] Python fails to export messages from move_base_msgs??? (UNCLASSIFIED)

[William Woodall]

Can you move this to conversation to http://answers.ros.org/questions/?

In the transition can you open a python interpreter and do this?:

 $ python
> Python 2.7.1 (r271:86832, Jun 16 2011, 16:59:05)
> [GCC 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00)] on
> darwin
> Type "help", "copyright", "credits" or "license" for more information.
> >>> import roslib
> >>> roslib.load_manifest('move_base') # Which depends on move_base_msgs
> >>> from move_base_msgs.msg import MoveBaseGoal
> >>>


Thanks,

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
William Woodall
Graduate Software Engineering
Auburn University
w at auburn.edu
wjwwood at gmail.com
williamjwoodall.com
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~



On Thu, Nov 3, 2011 at 4:21 PM, Karan, Cem F USA CIV (US) <
cem.f.karan.civ at mail.mil> wrote:

> Classification: UNCLASSIFIED
> Caveats: NONE
>
> I'm having a really strange problem under electric.  I'm trying to use the
> move_base_msgs package in my package.  I've added it as a dependency in my
> package's manifest, and am able to import the top level module.  That is,
> 'import move_base_msgs' works.  However, if I try 'from move_base_msgs.msg
> import *', none of the defined messages gets imported; in fact, python
> raises an exception saying that "'module' object has no attribute 'msg'",
> when I can confirm that move_base_msgs/src/move_base_msgs does exist (with
> __init__.py as well).  When I try:
>
> import move_base_msgs
> print(dir(move_base_msgs))
>
> I don't get the 'msg' submodule list.  However, when I do the following:
>
> import actionlib_msgs
> print(dir(actionlib_msgs))
>
> I do get the 'msg' submodule for actionlib.
>
> So, what's going on, and how do I fix it?
>
> Thanks,
> Cem Karan
>
> Classification: UNCLASSIFIED
> Caveats: NONE
>
>
>
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