shell-maker, a maker of Emacs shells
source link: https://xenodium.com/a-shell-maker/
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08 April 2023 shell-maker, a maker of Emacs shells
A few weeks ago, I wrote about an experiment to bring ChatGPT to Emacs as a shell. I was fairly new to both ChatGPT and building anything on top of comint. It was a fun exercise, which also generated some interest.
As mentioned in the previous post, I took inspiration in other Emacs packages (primarily ielm) to figure out what I needed from comint. Soon, I got ChatGPT working.
As I was looking at OpenAI API docs, I learned about DALL-E: "an AI system that can create realistic images and art from a description in natural language."
Like ChatGPT, they also offered an API to DALL-E, so I figured I may as well try to write a shell for that too… and I did.
There was quite a bit of code duplication between the two Emacs shells I had just written. At the same time, I started hearing from folks about integrating other tools, some cloud-based, some local, proprietary, open source.. There's Cody, invoke-ai, llama.cpp, alpaca.cpp, and the list continues to grow.
With that in mind, I set out to reduce the code duplication and consolidate into a reusable package. And so shell-maker was born, a maker of Emacs shells.
shell-maker's internals aren't too different from the code I had before. It's still powered by comint, but instead offers a reusable convenience wrapper.
It takes little code to implement a shell, like the sophisticated new greeter-shell ;)
(require 'shell-maker)
(defvar greeter-shell--config
(make-shell-maker-config
:name "Greeter"
:execute-command
(lambda (command _history callback error-callback)
(funcall callback
(format "Hello \"%s\"" command)
nil))))
(defun greeter-shell ()
"Start a Greeter shell."
(interactive)
(shell-maker-start greeter-shell--config))
shell-maker is available on GitHub and currently bundled with chatgpt-shell. If there's enough interest and usage, I may just break it out into its own package. For now, it's convenient to keep with chatgpt-shell and dall-e-shell.
If you plug shell-maker into other tools, I'd love to hear about it.
Happy shell making!
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