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[ROS2] ModuleNotFoundError: No module named 'tf2_ros'

Using ROS2 Bouncy, I cannot import tf2_ros in my python scripts. I can import tf2_msgs, and I can use TF2 just fine in C++ executables, for example using #include <tf2_ros/transform_listener.h>. What do I need to do to access the same functionality in python? How do I fix this?

Edit: I have confirmed the same issue exists on another computer with a clean install of Bouncy.

Edit 2: It seems that tf2_ros and some related modules are not being built, according to this pull request.

Edit 3: I have opened an issue here.

Asked by beck on 2018-12-03 20:57:53 UTC

Comments

@beck. Do you know if tf2_ros (python) works in "Crystal Clemmys"?

Asked by mgangl on 2019-01-30 09:15:45 UTC

It does not. I will leave this question as unanswered until it is fixed.

Asked by beck on 2019-01-30 10:32:54 UTC

Looks like it is really close.... https://github.com/ros2/geometry2/pull/99

Asked by rukie on 2019-04-29 16:09:27 UTC

Answers

The Functionality is finally included in Eloquent, but it is not backward compatible to Dashing.

https://github.com/ros2/geometry2/pull/99

https://github.com/ros2/geometry2/blob/eloquent/tf2_ros/test/py_test/test_listener_and_broadcaster.py

Asked by mgangl on 2019-12-13 05:30:01 UTC

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