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Ideas for automatically fetching files on the web #416

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kitao opened this issue Sep 17, 2022 · 6 comments
Closed

Ideas for automatically fetching files on the web #416

kitao opened this issue Sep 17, 2022 · 6 comments
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enhancement New feature or request help wanted Extra attention is needed

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@kitao
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kitao commented Sep 17, 2022 •
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Thanks to Pyxel's new utility script, an html file for Pyxel is very simplified like this.

Another thing I would like to achieve is automatic fetching of files.
It seems that Emscripten can't mount real file system directly, but it may be realized virtually if I can insert some hook script for each load function in Pyxel.

With the feature, I would like shorten this script from

<body>
    <div id="loading">Loading...</div>
    <pyxel-asset name="assets/pyxel_logo_38x16.png"></pyxel-asset>
    <pyxel-run root="../../python/pyxel/examples" name="01_hello_pyxel.py"
        onstart="document.getElementById('loading').remove()"></pyxel-run>
</body>

to

<body>
    <div id="loading">Loading...</div>
    <pyxel-run root="../../python/pyxel/examples" name="01_hello_pyxel.py"
        onstart="document.getElementById('loading').remove()"></pyxel-run>
</body>

If anyone has the knowledge to implement this feature, I would appreciate any advice.
@kitao kitao added enhancement New feature or request help wanted Extra attention is needed labels Sep 17, 2022
@messense
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It seems that Emscripten can't mount real file system directly,

Related pyodide/pyodide#2987

@kitao
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kitao commented Oct 3, 2022

@messense Thank you for the information.
So the Pyodide main branch has native-fs feature now?

@kitao
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kitao commented Oct 3, 2022

Ah it doesn't support Safari for now...

https://github.com/pyodide/pyodide/blob/main/docs/usage/file-system.md

@kitao
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kitao commented Oct 5, 2022

In 1.8.12. I added a hook function for Emscripten file system so that Pyxel can get necessary files automatically.

@kitao kitao closed this as completed Oct 5, 2022
@km19809
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km19809 commented Oct 6, 2022

It is astonishing!
When I tried synchronous XMLRequest for hooks, the browser blocked it since it is deprecated.
But your approach works!
I know this is a closed issue AND this is not much relevant to the pyxel, but can you tell me how did you make it work?

@kitao
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kitao commented Oct 11, 2022 via email

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@kitao @messense @km19809