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ros service - no module named yaml
#367
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I cannot easily reproduce your problem with the files you provided (few things are missing there), but it appears that
As a quick workaround, you can add To fix this problem for everybody, I suggest to first test whether adding |
tried to add |
Hmm, right. I verified that
But it fails with:
Do you know why? |
|
I have no practical experience with NixOS ROS modules, but from looking at the code, it seems you should modify your { pkgs, ... }:
{
services.ros2 = {
enable = true;
distro = "iron";
domainId = 0;
inherit pkgs;
systemPackages = pkgs: with pkgs; [
sky360.sky360-ros-iron-heartbeat
];
nodes = {
heartbeat = {
package = pkgs.sky360.sky360-ros-iron-heartbeat.pname;
node = "heartbeat";
args = [ ];
rosArgs = [ ];
params = { };
};
};
};
} |
i tried that: the I also tried systemPackages = pkgs: with pkgs; [
sky360.sky360-ros-iron-heartbeat
]; here the package can't be found when i
something is going on weird in how the pkgs overlay works in ros2 it seems some more info i tried to look with with this overlay: sky360-ros-packages-overlay = (final: prev: {
sky360-ros-iron-heartbeat = prev.callPackage ./ros/iron/heartbeat {};
});
sky360-packages-overlay = (self: super: {
rosPackages = super.rosPackages // {
iron = super.rosPackages.iron.overrideScope sky360-ros-packages-overlay;
};
}); i cant' find the package in when i use the below overlay outside of rosPackages namespace, the package is found with sky360-packages-overlay = (final: prev: {
sky360 = {
sky360-ros-iron-heartbeat = prev.callPackage ./ros/iron/heartbeat { };
};
}); |
I'd temporarily modify |
Yeah, this seems tricky, but I may have some clue what's going on. Can you verify that the |
i'll take a deeper look , thank you! have some errands this weekend but will get to it as soon as i can... |
I modified the talker from the demo cpp to a heartbeat service and i get the following error:
my fle:
ros2.nix
heartbeat.nix
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