ROS2 Colcon Plugin - Failed to load entry point

[fabolhak]

It turns out some searching for the correct terms gives some useful results:

Bundling OpenCV and/or Numpy in ROS snap for Ubuntu Core

Hi, I’ve been trying without luck to package a ROS system as a snap. I’ve modeled the process after Kyrofa’s guide, but my system depends on components like OpenCV and Numpy, which seem to go beyond the scope of the guide. I’m aware of the need to include the install() directives on CMakeLists.txt, as well as declaring the <run_depend>s on package.xml. After installing the snap and running the command (a launch file), the nodes that depend on numpy and/or opencv crash, with the following messa…

Update-alternatives not placed in snap

numpy is used within my snap and is no longer installing all of the components the same way with the update to snapcraft. I tracked it to the libblas3 package, which uses update-alternatives to place the symlink /usr/lib/libblas.so.3 to /etc/alternatives/libblas.so.3. This file is no longer being packaged into the snap causing numpy, and any code depending on it, to not run when run from within the snap. Below is the postinst from the libblas3_3.6.0-2ubuntu2_amd64.deb file #! /bin/sh set -e…

I will investigate further.