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import {FaunerieApp} from "./FaunerieApp";
import {ChildProcess} from "node:child_process";
import {FaunerieImageType} from "libfaunerie";
import * as fs from "node:fs";
import * as cp from "node:child_process";
export class FaunerieAI {
instance: FaunerieApp;
aiProcess: ChildProcess;
aiStarting: boolean;
constructor(instance: FaunerieApp) {
this.instance = instance;
}
get aiRunning() {
return (!!this.aiProcess && this.aiProcess.exitCode === null) || this.aiStarting;
}
findPythonExecutable() {
try {
if (process.platform !== "darwin") throw new Error("Not running on macOS");
cp.execFileSync("/usr/local/bin/python3.11", ["--version"], {cwd: __dirname + "/../ai"}).toString().trim();
return "/usr/local/bin/python3.11";
} catch (e) {
try {
cp.execFileSync("py", ["--version"], {cwd: __dirname + "/../ai"}).toString().trim();
return "py";
} catch (e) {
try {
cp.execFileSync("python3.11", ["--version"], {cwd: __dirname + "/../ai"}).toString().trim();
return "python3.11";
} catch (e) {
try {
cp.execFileSync("python3", ["--version"], {cwd: __dirname + "/../ai"}).toString().trim();
return "python3";
} catch (e) {
cp.execFileSync("python", ["--version"], {cwd: __dirname + "/../ai"}).toString().trim();
return "python";
}
}
}
}
}
getPythonVersion() {
return cp.execFileSync(this.findPythonExecutable(), ["--version"], {cwd: __dirname + "/../ai"}).toString().trim();
}
updateDependencies() {
return new Promise<void>((res) => {
this.aiProcess = cp.execFile(this.findPythonExecutable(), ["-m", "pip", "install", "-U", "torch", "ultralytics", "Pillow", "requests", "pandas", "opencv-python", "flask", "gitpython", "setuptools>=65.5.1"], {cwd: __dirname + "/../ai"});
this.aiProcess.stdout.on('data', (d) => {
console.debug(d.toString());
});
this.aiProcess.stderr.on('data', (d) => {
console.debug(d.toString());
});
this.aiProcess.on('exit', () => {
res();
});
});
}
triggerEngineStart() {
this.aiProcess = cp.execFile(this.findPythonExecutable(), ["server.py"], {cwd: __dirname + "/../ai"});
this.aiProcess.stdout.on('data', (d) => {
console.debug(d.toString());
});
this.aiProcess.stderr.on('data', (d) => {
console.debug(d.toString());
});
this.aiProcess.on('exit', () => {
this.aiProcess = null;
});
}
waitForEngine() {
return new Promise<void>((res) => {
let aiInterval = setInterval(async () => {
try {
if ("data" in (await (await fetch("http://127.0.0.1:25091/status")).json())) {
clearInterval(aiInterval);
this.aiStarting = false;
res();
}
} catch (e) {
}
}, 1000);
})
}
validatePythonVersion() {
let pyVersion: string = this.getPythonVersion();
if (!pyVersion) {
console.log("Unable to find a Python executable");
throw new Error("Python not found");
} else if (!pyVersion.startsWith("Python 3.11.") && pyVersion !== "Python 3.11") {
console.log("Invalid Python version: " + pyVersion);
throw new Error("Python not found");
}
}
async startAI() {
if (this.aiRunning) return;
this.aiStarting = true;
this.validatePythonVersion();
await this.updateDependencies();
this.triggerEngineStart();
await this.waitForEngine();
}
async getClasses() {
let _dataStore = this.instance.dataStore;
let protectedDecode = (b: Buffer) => {
return require('zlib').inflateRawSync(b);
}
await this.startAI();
let url = _dataStore.database.frontend.getImageFile(_dataStore.currentImage, FaunerieImageType.ViewURL);
let data: any;
if (url.startsWith("blob:") || url.startsWith("pbip:")) {
fs.writeFileSync(_dataStore.appData + "/.temp", protectedDecode(fs.readFileSync(_dataStore.database.frontend.getImageFile(_dataStore.currentImage, FaunerieImageType.ViewFile))));
url = "file://" + (_dataStore.appData + "/.temp").replaceAll("\\", "/");
}
if (_dataStore.currentImage.tags.includes("safe")) {
data = await (await fetch("http://127.0.0.1:25091/safe?url=" + encodeURIComponent(url.replace("file://", "")))).json();
} else {
data = await (await fetch("http://127.0.0.1:25091/explicit?url=" + encodeURIComponent(url.replace("file://", "")))).json();
}
if (fs.existsSync(_dataStore.appData + "/.temp")) fs.unlinkSync(_dataStore.appData + "/.temp");
return data;
}
unload() {
if (this.instance.dataStore.appData && fs.existsSync(this.instance.dataStore.appData + "/.temp")) fs.unlinkSync(this.instance.dataStore.appData + "/.temp");
if (this.aiProcess) {
console.log("Engine did not stop before quitting, forcefully killing it");
this.aiProcess.kill("SIGKILL");
}
}
makeClassesHTML(c: any) {
let _dataStore = this.instance.dataStore;
window.onresize = () => {
document.getElementById("preview-zones").style.top = document.getElementById("preview-content-inner").offsetTop + "px";
document.getElementById("preview-zones").style.left = document.getElementById("preview-content-inner").offsetLeft + "px";
document.getElementById("preview-zones").style.width = document.getElementById("preview-content-inner").clientWidth + "px";
document.getElementById("preview-zones").style.height = document.getElementById("preview-content-inner").clientHeight + "px";
}
window.onresize(null);
_dataStore.currentImageClasses = c.data || [];
let properClasses = _dataStore.currentImageClasses.filter(i => i.confidence > 0.5).map(i => {
return {
name: i.name,
top: (i.ymin / _dataStore.currentImage.height) * 100,
left: (i.xmin / _dataStore.currentImage.width) * 100,
width: ((i.xmax - i.xmin) / _dataStore.currentImage.width) * 100,
height: ((i.ymax - i.ymin) / _dataStore.currentImage.height) * 100
}
});
document.getElementById("preview-zones").innerHTML = properClasses.map((i, j) => `
<div onmouseenter="instance.display.highlightZone(${j}, true);" onmouseleave="instance.display.highlightZone(${j}, false);" class="preview-zone" id="preview-zone-${j}" style="opacity: 0; transition: opacity 100ms; border-radius: 1%; background-color: rgba(255, 255, 255, .25); border: 1px solid rgba(255, 255, 255, .5); width: ${i.width}%; height: ${i.height}%; top: ${i.top}%; left: ${i.left}%; position: absolute;"></div>
`).join("");
this.displayClassesList(properClasses);
}
displayClassesList(properClasses: any) {
if (properClasses.length === 0) {
document.getElementById("preview-parts-loader").style.display = "none";
document.getElementById("preview-parts-none").style.display = "";
document.getElementById("preview-parts-unsupported").style.display = "none";
document.getElementById("preview-parts-list").style.display = "none";
} else {
document.getElementById("preview-parts-loader").style.display = "none";
document.getElementById("preview-parts-none").style.display = "none";
document.getElementById("preview-parts-unsupported").style.display = "none";
document.getElementById("preview-parts-list").style.display = "";
document.getElementById("preview-parts-list").innerHTML = properClasses.map((i, j) => `
<a onmouseenter="instance.display.highlightZone(${j}, true);" onmouseleave="instance.display.highlightZone(${j}, false);" id="preview-tag-zone-${j}" class='preview-tag preview-tag-zone' href='#'>${i.name}</a>
`).join("");
}
}
displayClasses(id: string) {
let _dataStore = this.instance.dataStore;
if (_dataStore.currentImage.mime_type.startsWith("image/")) {
if (_dataStore.currentImage.tags.includes("screencap") || !_dataStore.currentImage.tags.includes("safe")) {
this.instance.ai.getClasses().then((c: any) => {
if (_dataStore.currentImage.id === parseInt(id)) {
this.makeClassesHTML(c);
}
});
} else {
document.getElementById("preview-parts-loader").style.display = "none";
document.getElementById("preview-parts-none").style.display = "";
document.getElementById("preview-parts-unsupported").style.display = "none";
document.getElementById("preview-parts-list").style.display = "none";
}
} else {
document.getElementById("preview-parts-loader").style.display = "none";
document.getElementById("preview-parts-none").style.display = "none";
document.getElementById("preview-parts-unsupported").style.display = "";
document.getElementById("preview-parts-list").style.display = "none";
}
}
}
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