[ros-users] [Discourse.ros.org] [Next Generation ROS] ROS2: DebugModuleNotFoundError: No module named 'rclpy._rclpy'

Mrutyu1987 ros.discourse at gmail.com
Tue Aug 8 00:56:39 UTC 2017



I am building ROS2 Debug Source Build on Windows (Using python_d). C++ examples works fine. But when try to run the python example get the following  error:

I'm following the steps mentioned: https://github.com/ros2/ros2/wiki/Windows-Development-Setup

Any suggestion, how to resolve these?

Regards
Mrutunjayya,

Errors:

    Failed to load entry point 'start': No module named 'rclpy._rclpy'
    Failed to load entry point 'status': No module named 'rclpy._rclpy'
    Failed to load entry point 'stop': No module named 'rclpy._rclpy'
    Failed to load entry point 'list': No module named 'rclpy._rclpy'
    Failed to load entry point 'call': No module named 'rclpy._rclpy'
    Failed to load entry point 'list': No module named 'rclpy._rclpy'
    Failed to load entry point 'echo': No module named 'rclpy._rclpy'
    Failed to load entry point 'list': No module named 'rclpy._rclpy'
    Failed to load entry point 'pub': No module named 'rclpy._rclpy'
    Traceback (most recent call last):
      File "D:\Test\ROS_Source_Build\Debug_Python\install\lib\demo_nodes_py\talker-script.py", line 11, in <module>
        load_entry_point('demo-nodes-py==0.0.0', 'console_scripts', 'talker')()
      File "C:\Python36\lib\site-packages\pkg_resources\__init__.py", line 561, in load_entry_point
        return get_distribution(dist).load_entry_point(group, name)
      File "C:\Python36\lib\site-packages\pkg_resources\__init__.py", line 2649, in load_entry_point
        return ep.load()
      File "C:\Python36\lib\site-packages\pkg_resources\__init__.py", line 2303, in load
        return self.resolve()
      File "C:\Python36\lib\site-packages\pkg_resources\__init__.py", line 2309, in resolve
        module = __import__(self.module_name, fromlist=['__name__'], level=0)
      File "D:\Test\ROS_Source_Build\Debug_Python\install\Lib\site-packages\topics\talker.py", line 18, in <module>
        import rclpy
      File "D:\Test\ROS_Source_Build\Debug_Python\install\Lib\site-packages\rclpy\__init__.py", line 18, in <module>
        from rclpy.impl.implementation_singleton import rclpy_implementation as _rclpy
      File "D:\Test\ROS_Source_Build\Debug_Python\install\Lib\site-packages\rclpy\impl\implementation_singleton.py", line 32, in <module>
        rclpy_implementation = importlib.import_module('._rclpy', package='rclpy')
      File "C:\Python36\lib\importlib\__init__.py", line 126, in import_module
        return _bootstrap._gcd_import(name[level:], package, level)
    ModuleNotFoundError: No module named 'rclpy._rclpy'





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