iracket

Work in progress. Racket kernel for jupyter notebooks.

How to install and run

# dependencies:
# Install zeromq 3.2.5 (4.* didn't work with the racket bindings for me.)
raco pkg install zeromq
raco pkg install libuuid
raco pkg install grommet # for authentication, not used yet
pip install jupyter # I get version 4.0.4

# install the kernelspec
mkdir -p "$JUPYTER_CONFIG_DIR/kernels/racket/"
cp kernel.json "$JUPYTER_CONFIG_DIR/kernels/racket/"
edit "$JUPYTER_CONFIG_DIR/kernels/racket/kernel.json" # changing "./iracket.rkt" to where you put the file.

# run it with

jupyter console --Session.key="b''" --kernel racket

# or

jupyter notebook --Session.key="b''" --kernel racket

Useful resources

• simple_kernel
• jupyter-client docs.
• this stackoverflow thread
• racket-zmq-examples

Notes

• The messages must be multipart.
• ZMQ will block the entire thread, so we put the heartbeat socket in a differnt place.