I'd be curious on your thoughts on my entry: https://marceltheshell.org. (This website has lots of examples, so you can get a sense of how it works without installing.)
"Saving streams" is killer. I've been "meaning to build something to solve that" for a looong time. :) :) But you did. Thanks!!
https://www.marceltheshell.org/saving-and-recalling-streams
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One feature request to think about if it doesn't exist: defining multiline functions right at the prompt, which you later export to a .py file. So I think a decent inline editor with support for arrow keys might be useful. https://www.marceltheshell.org/functions-1
This is not a showstopper obviously. The current 'import' functionality should be enough for me for now.
Why inline vs. shelling out a dedicated editor: because replacing the screen will take me out of flow because I frequently refer to previous commands' output on the terminal when constructing/editing the next command.
Multiline functions can be defined right now:
M 0.18.3 jao@loon ~$ f = (lambda: \
M +$ lambda x, y: x + y \
M +$ )
M 0.18.3 jao@loon ~$ (f(3,4))
7
One thing to note: You have choices beyond inline and imports for defining new functions. There is a startup file, typically in ~/.config/marcel/startup.py. You can define functions in there, or do imports. The REPL loop checks for modifications to that file, so if you change it, you pick up the changes for your next command.
For example, I just put this into my startup file:
def hello(x):
return f'Hello {x}'
M 0.18.3 jao@loon ~$ (hello('world'))
Hello worldI like that you support the scripting use case with vanilla Python syntax. That's something that made Xonsh a non-starter for me (I'm not going to write scripts when syntax highlighting and auto-formatting don't work because it's a superset of valid Python syntax).
Evidently my definition of "going off the deep end" here is giving up lots of working tooling and integrations.
Lately I've been finding it useful to write bash scripts with some marcel, e.g.
#!/bin/bash
echo ...
pushd ...
marcel <<EOF
...
EOF