feat: convert and export from markdown

[dmadisetti]

Enables marimo export md marimo_app > my_markdown.md and marimo convert my_markdown.md > marimo_app

Conversions are idempotent

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[dmadisetti]

Eh. Marking as draft, as less idempotent than I think is ideal.

Settles after a few recurrent runs, but whitespace shifts around.

Will look into it and push tests when I have a bit more time

[mscolnick]

this is awesome 😮

let me know if there is anything I can do to help on this
(also thank you for the DRYness / cleanup)

[dmadisetti]

Thanks! Hope this PR didn't get too large.

Do you have a way of testing on windows? Looks like maybe some unicode encoding or something is causing the windows test failure. Or maybe line endings? Not sure what's going on

[dmadisetti]

Skipping the test for now. I can come back to it this evening

[akshayka]

Do you have a way of testing on windows? Looks like maybe some unicode encoding or something is causing the windows test failure. Or maybe line endings? Not sure what's going on

@dmadisetti I can help you test on Windows.

For reference, I spin up a trial Windows VM using VirtualBox. I think I got the image from here but I don't remember 100%: https://developer.microsoft.com/en-us/windows/downloads/virtual-machines/

[dmadisetti]

Cool making a list for later:

• I think I'm going to remove most of the test data files, 7 seems excessive and is cluttering the PR- maybe just keep one of the bigger ones, and make a custom one (need to check more complex yaml for front matter header). Will also change to snapshots for ease updating.
• New line between md and code
• .python.marimo tag
• Get app name

@akshayka Awesome! I'm pretty sure it's the emojis in python -> md, so we could just skip the emoji case for windows- but debugging it might take some playing around. I do have access to a windows vm, but don't have virtual box or anything set up right now

[dmadisetti]

Pretty sure that failure was an actions network issue- not sure how to retrigger tests

[mscolnick]

@akshayka is the resident windows tester. i think its fine to skip for now, and we can take care of this

[mscolnick]

looks good to me! this is an awesome feature

[github-actions]

🚀 Development release published. You may be able to view the changes at https://marimo.app?v=0.4.12-dev1