Michel Hidalgo

@maxlein could you provide us with a small repro? I can only infer what `tf` is in `tf.lookupTransform(targetFrame, tf2_time, sourceFrame, tf2_time, targetFrame);` or in what context the exception is being...

Full Foxy CI: * Linux [](http://ci.ros2.org/job/ci_linux/16596/) * Linux-aarch64 [](http://ci.ros2.org/job/ci_linux-aarch64/11178/) * Windows [](http://ci.ros2.org/job/ci_windows/16984/)

This fell off my radar. Thanks for reporting @neko-suki.

I'll be putting together a concrete design proposal for a change in the coming weeks. Early input on specific use cases that folks think warrant support via pipeline generalization is...

Thank you all for the feedback. I'm still trying to put all the pieces together (this one's really tough :sweat_smile:). In what follows, I'll reply while I layout my current...

> So my current solution if to crawl through the packages and generate bindings for each message at build time (of the consuming application), would this be the recommended approach...

> All a generator package needs are the interface definition files (e.g. .msg, .srv, .action, and .idl files; or maybe just the .idl files), which are already installed. This is...

Tagging the @ros2/team, my last proposal will spark controversy.

> I would actually try to do the opposite, make the tool as less aware of that organization model as possible. I fully agree with that. What I meant by...

> I thought most of the non-reusable stuff was the ament extension boilerplate, defining the output files from each generator, and invoking the code generators with CMake targets. @sloretz Yeap!...