File size: 2,651 Bytes
dee9fba | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | class app {
constructor(modules, invocation){
languagePluginLoader.then(() => {
// If you don't require for pre-loaded Python packages, remove this promise below.
window.pyodide.runPythonAsync("import setuptools, micropip").then(()=>{
window.pyodide.runPythonAsync("micropip.install('lark-parser')").then(()=>{
this.fetchSources(modules).then(() => {
window.pyodide.runPythonAsync("import " + Object.keys(modules).join("\nimport ") + "\n" + invocation + "\n").then(() => this.initializingComplete());
});
});
});
});
}
loadSources(module, baseURL, files) {
let promises = [];
for (let f in files) {
promises.push(
new Promise((resolve, reject) => {
let file = files[f];
let url = (baseURL ? baseURL + "/" : "") + file;
fetch(url, {}).then((response) => {
if (response.status === 200)
return response.text().then((code) => {
let path = ("/lib/python3.7/site-packages/" + module + "/" + file).split("/");
let lookup = "";
for (let i in path) {
if (!path[i]) {
continue;
}
lookup += (lookup ? "/" : "") + path[i];
if (parseInt(i) === path.length - 1) {
window.pyodide._module.FS.writeFile(lookup, code);
console.debug(`fetched ${lookup}`);
} else {
try {
window.pyodide._module.FS.lookupPath(lookup);
} catch {
window.pyodide._module.FS.mkdir(lookup);
console.debug(`created ${lookup}`);
}
}
}
resolve();
});
else
reject();
});
})
);
}
return Promise.all(promises);
}
fetchSources(modules) {
let promises = [];
for( let module of Object.keys(modules) )
{
promises.push(
new Promise((resolve, reject) => {
fetch(`${modules[module]}/files.json`, {}).then((response) => {
if (response.status === 200) {
response.text().then((list) => {
let files = JSON.parse(list);
this.loadSources(module, modules[module], files).then(() => {
resolve();
})
})
} else {
reject();
}
})
}));
}
return Promise.all(promises).then(() => {
for( let module of Object.keys(modules) ) {
window.pyodide.loadedPackages[module] = "default channel";
}
window.pyodide.runPython(
'import importlib as _importlib\n' +
'_importlib.invalidate_caches()\n'
);
});
}
initializingComplete() {
document.body.classList.remove("is-loading")
}
}
(function () {
window.top.app = new app({"app": "app"}, "import app.app; app.app.start()");
})();
|