⚙️ Make compilable

Author: Omnixerion

build.gradle

@@ -3,11 +3,12 @@ import jython.JythonTask
 plugins {
     id 'java'
     id 'java-library'
+    id 'application'
     id("com.github.rzabini.gradle-jython") version "1.1.0"
 }
 
 group = 'io.github.xypercode'
-version = '1.0-SNAPSHOT'
+version = '1.0.0'
 
 repositories {
     mavenCentral()
@@ -16,6 +17,10 @@ repositories {
     }
 }
 
+application {
+    mainClass = "qbubbles.Launcher"
+}
+
 afterEvaluate {
     tasks.register('testJython', JythonTask) {
         script file('src/main/python/main.py')

settings.gradle

@@ -1,2 +1,2 @@
-rootProject.name = 'libgdx-pythonic'
+rootProject.name = 'qbubbles-pygdx'
 

src/main/java/qbubbles/Launcher.java

@@ -0,0 +1,54 @@
+package qbubbles;
+
+import org.python.apache.commons.compress.utils.IOUtils;
+import org.python.core.PySystemState;
+import org.python.util.PythonInterpreter;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.net.URLConnection;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardOpenOption;
+import java.util.jar.JarFile;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+import java.util.zip.ZipInputStream;
+
+public class Launcher {
+    public static void main(String[] args) throws IOException {
+        System.setProperty("python.import.site", "false");
+
+        PythonInterpreter.initialize(null, null, args);
+        PySystemState state = new PySystemState();
+        Path tempDirectory = Files.createTempDirectory("qbubbles_");
+        URLConnection connection = Launcher.class.getProtectionDomain().getCodeSource().getLocation().openConnection();
+        try (var stream = new ZipInputStream(connection.getInputStream())) {
+            ZipEntry entry;
+            while ((entry = stream.getNextEntry()) != null) {
+                copyEntry(entry, tempDirectory, stream);
+            }
+        }
+
+        state.path.add(0, tempDirectory.toString());
+        state.setClassLoader(ClassLoader.getSystemClassLoader());
+        try (PythonInterpreter pythonInterpreter = new PythonInterpreter(null, state)) {
+            pythonInterpreter.execfile(tempDirectory.resolve("main.py").toString());
+        }
+    }
+
+    private static void copyEntry(ZipEntry entry, Path tempDirectory, ZipInputStream stream) throws IOException {
+        if (entry.getName().endsWith(".py")) {
+            String name = entry.getName();
+            if (name.startsWith("/")) name = name.substring(1);
+            if (name.equals("main.py") || name.startsWith("qbubbles/")) {
+                var path = tempDirectory.resolve(name);
+                if (Files.notExists(path.getParent())) {
+                    Files.createDirectories(path.getParent());
+                }
+                byte[] bytes = stream.readAllBytes();
+                Files.write(path, bytes, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.CREATE);
+            }
+        }
+    }
+}