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Ideas for automatically fetching files on the web

See original GitHub issue

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>

<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.

Issue Analytics

State:
Created a year ago
Comments:6 (5 by maintainers)

Top GitHub Comments

1reaction

kitaocommented, Oct 11, 2022

Thank you for your comment.

I just searched for synchronous XMLHTTPRequest sample code which works, and copied it. https://github.com/kitao/pyxel/blob/main/wasm/pyxel.js#L292-L299

Regarding file system side, when I tried whether I can replace functions under pyodide.FS, it worked. So I wrapped open and stat functions to invoke XMLHTTPRequest when called. https://github.com/kitao/pyxel/blob/main/wasm/pyxel.js#L319-L330

Best, Takashi Kitao.

2022年10月6日(木) 17:34 Minsoo @.***>:

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?

— Reply to this email directly, view it on GitHub https://github.com/kitao/pyxel/issues/416#issuecomment-1269586234, or unsubscribe https://github.com/notifications/unsubscribe-auth/AAFFXEWIRH5HDSGBQTFSVVTWB2FJVANCNFSM6AAAAAAQPBZJZI . You are receiving this because you modified the open/close state.Message ID: @.***>

1reaction

kitaocommented, Oct 5, 2022

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

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