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Investigate setting Pyodide HTTP headers via a service worker #903

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tuzz opened this issue Jan 24, 2024 · 2 comments · May be fixed by #904
Open

Investigate setting Pyodide HTTP headers via a service worker #903

tuzz opened this issue Jan 24, 2024 · 2 comments · May be fixed by #904
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@sra405 @loiswells97
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Pyodide Rollout

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@tuzz
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tuzz commented Jan 24, 2024 •
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More context: https://raspberrypifoundation.slack.com/archives/C02JBAA2NFP/p1705670224318489

Currently, we are setting some HTTP headers on CloudFlare. We should investigate whether it's possible to set these using a service worker instead to keep application-specific behaviour outside of CloudFlare and within the editor-ui project. We should also look into the approach for the embedded editor, which will be on a different site where we don't necessary control the CloudFlare HTTP headers.

https://dev.to/stefnotch/enabling-coop-coep-without-touching-the-server-2d3n
@tuzz tuzz self-assigned this Jan 24, 2024
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Branch issues/903-Investigate_setting_Pyodide_HTTP_headers_via_a_service_worker created!

create-issue-branch bot added a commit that referenced this issue Jan 24, 2024
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Create draft PR for #903
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@create-issue-branch create-issue-branch bot linked a pull request Jan 24, 2024 that will close this issue
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tuzz added a commit to RaspberryPiFoundation/python-execution-prototypes that referenced this issue Jan 24, 2024
@tuzz
Use a service worker to set the needed HTTP headers
3719567 
RaspberryPiFoundation/editor-ui#903

Based on: https://dev.to/stefnotch/enabling-coop-coep-without-touching-the-server-2d3n
@tuzz tuzz mentioned this issue Jan 30, 2024
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@sra405 sra405 mentioned this issue Feb 13, 2024
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tuzz added a commit that referenced this issue Feb 13, 2024
@tuzz @sra405
Add a Pyodide runner based on the python-execution-prototypes (#893)
f791ee3 
This pull request adds experimental support for running Python programs
using Pyodide. The code is based on the
[python-execution-prototypes](https://github.com/RaspberryPiFoundation/python-execution-prototypes)
and the [technical
analysis](https://docs.google.com/document/d/1mpKliJaqYYkPJR1hGLZxUDhNFOwgBm69nc70iiVj_3I/edit#heading=h.3orc9tdzyy4b)
document. The related GitHub issue is
#891.

The PyodideRunner.jsx can be used instead of the current
PythonRunner.jsx (Skulpt) by provided a `?pyodide=true` parameter in the
URL as shown in the screenshot below:

<img width="1439" alt="Screenshot 2024-01-30 at 11 39 01"
src="https://github.com/RaspberryPiFoundation/editor-ui/assets/892251/a0185ec3-aaf5-40d4-a5e8-e9973fb1c98f">

### Notes

The PyodideRunner supports the following features:
- Execution of Python programs
- Importing of [most
of](https://pyodide.org/en/stable/usage/wasm-constraints.html) Python's
standard library
- Importing of [many
common](https://pyodide.org/en/stable/usage/packages-in-pyodide.html)
Python packages
- Importing of pure Python packages from PyPi
- Stopping execution
- Sending standard input to Python programs
- Closing the standard input stream by pressing `Ctrl-d`
- Visualising turtle graphics using the [modified turtle
package](https://github.com/RaspberryPiFoundation/turtle)
- Visualising pygal charts using the [modified pygal
package](https://github.com/RaspberryPiFoundation/pygal.js)

Due to time constraints, the following tasks remain outstanding:

- Visualising sense_hat graphics using the [modified sense_hat
package](https://github.com/RaspberryPiFoundation/sense_hat)
- There is a work-in-progress pull request
[here](#913)
- Apply HTTP headers in a service worker (see
#903)
- Note that `crossorigin` will need to be added to cross-domain
resources once the HTTP headers are added
- Add unit/integration tests that run real Python programs through the
PyodideRunner.jsx
- Manual testing for backwards compatibility of existing Python
programs, projects and the WebComponent
- Implementing the p5 package to work with Pyodide
- See
https://github.com/RaspberryPiFoundation/python-execution-prototypes/issues/1
- Implementing a dedicated SQL editor for use in the Ada CS project
- Note that Pyodide supports importing `sqlite3` so we can add a UI
wrapper around it

---------

Co-authored-by: Scott Adams <[email protected]>
@loiswells97 loiswells97 assigned loiswells97 and sra405 and unassigned tuzz Mar 8, 2024
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sra405 commented Mar 21, 2024

check in incognito

@sra405 sra405 added this to the Pyodide Rollout milestone Apr 17, 2024
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Investigate setting Pyodide HTTP headers via a service worker RaspberryPiFoundation/editor-ui
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