Re: [ros-users] std_msgs.msg._Header and diamond upgrade

Mike,

Can you try this snippet, works fine here:

import roslib
roslib.load_manifest('some_package')

from std_msgs.msg import Header

if __name__ == '__main__':
    h = Header()
    print type(h)

Anton

On Thu, Jun 23, 2011 at 12:35 PM, Mike Purvis
<mpurvis@clearpathrobotics.com> wrote:
> Hey all,
> I've got an older machine that was running cturtle, and just upgraded it to
> diamondback, and I've been getting some very frustrating errors with our
> rospy-based platform driver. Sample:
>   File "/home/administrator/ros-clearpath/clearpath_base/src/data.py", line
> 108, in pkg_encoders
>     msg = Encoders()
>   File
> "/home/administrator/ros-clearpath/clearpath_base/src/clearpath_base/msg/_Encoders.py",
> line 64, in __init__
>     self.header = std_msgs.msg._Header.Header()
> AttributeError: 'module' object has no attribute '_Header'
> It looks like diamond moved Header from roslib to std_msgs, and I made sure
> to rosmake --pre-clean this package, but I still seem to be getting this
> error. The manifest includes the std_msgs dependency.
> My PYTHONPATH is /opt/ros/diamondback/ros/core/roslib/src:
> My ROS_PACKAGE_PATH
> is /opt/ros/diamondback/stacks:/home/administrator/ros-clearpath:/home/administrator/gps_umd
> Can anyone see what could be the issue here? Thanks.
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