PyScript - Run Python in the Browser! THE END of JavaScript???

PyScript is a framework that allows users to create Python applications in the browser using HTML. In this video we have a look at it and I show you how it works:

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[vectoralphaSec]

The fact that its made by the Anaconda team puts me at ease that its here to stay and will only improve with time. Pretty awesome, the future of web dev is changing so fast.

[RubixCubed]

I dont think js is ever going away. There is just too much dependency on it. But the fact that this is even possible is very exciting. It will be interesting to see how this evolves. I see full stack Python webapps in the future.

[dydufjfbfnddhbxnddj]

i cant believe this, neither can i imagine the complexity of the code in the pyscript's CSS and JS files. These guys are real legends!

[StarOnCheek]

instead of <py-script> they should have ideally used <script lang="python"> but i do see how that was not possible assuming that the py-script tag is probably a web component

[Ricardoromero]

"The end of javascript" Is always coming according to everyone... but It's not going away anytime soon

[simonmafanye.]

Wish we could have a dedicated Python Frontend

Can't wait to experience that.

[k.chriscaldwell]

Absolutely great video! Thanks.

Thanks to the PyScript team, and associated, as well. This will be big down the road. And what an easy implementation.

[Mane]

This is a really cool project, but honestly the only reason I can see for using it is bringing awesome python libs like matplotlib, pandas, sympy etc. to the browser. For the rest I see no reason or need to use it, the javascript ecosystem is huge and powerful. Why would any frontend developer switch to the python apis if he or she is comfortable in the js apis? Only thing is that this makes the web more accessible for python developers and lowers the threshold to get started with frontend development for them. That's a good thing for sure, but it won't change the industry imo.

[diegorocha]

They should invest more time in improving wasm so you can use wherever kind of language you're confortable with. Imagine if you could easily manipulate the DOM through wasm, this will really change web development!

[G-k]

This is very exciting, Thank you for informing us about it, now as pythonistas we must contribute and build a community about pyscript :D

[krtirtho]

Congratulations, now I can execute my DOM code more slowly🙂

[IvanRandomDude]

WASM has been around for years and there are even Rust, C#, Kotlin etc. front end frameworks... and they did shit to JS. So short answer is no

[theaninova]

I mean... I get it, for use cases where you really need specific Python packages...

But not without some SERIOUS performance issues.

This comes from just the Hello World Example

1. 290 kb of CSS and 300 kb of JS dependencies
2. 7 *MB* for the Python interpreter
3. 1.2 *MB* for dependencies

Just for a Hello World example.

Unless this gets built into browsers natively, you're absolutely gonna KILL your site's performance. Almost 9MB you can't get rid of is an INSANE amount of data, and on top you're running a Python interpreter in webassembly.

Use sparingly when you have no alternatives left.

[ivanbgp]

"It will take a few moments" ... I see we get the full python experience in the browser 😅

[ehabaleid]

Wow, very excited on what this becomes in a few years. Lot's of potential for big data visualizations.

[miletadulovic]

Guys, before talking about how it can replace JS please check PyScript-s performance. Python by itself is kinda slow, and this makes it even slower. For example, it tasks about 1s to print current datetime.

Also, why would data scientist need library for web? No, I don't think it will replace JS any time sooner, if ever. Also, I don't want to think about XSS attacks and similar stuff.

[antoniopena]

Incredible. It's one of the best news I have had in these last two months. And it's also backed by a big and professional team, like Anaconda's one! Hope this video is watched by more ;)

[alexandrecostadosim]

When I think about python front end, components as objects comes to mind. PyScript reminds me Kivy in some ways, a great project that is always "experimental"

[rayanbilal]

Amazing tutorial, I spent 30 mins finding a tutorial that actually works. You are immensely underrated.

[xpkareem]

I guess I'd like to see more focus on just making python compile to webassembly really well.