Adjust the demo to version 24.2.1

Author: horakivo

graalpy/graalpy-apache-arrow-guide/README.md

@@ -2,7 +2,7 @@
 
 ## 1. Getting Started
 
-This guide demonstrates how to use the Java Apache Arrow implementation library (JArrow) with GraalPy, achieving zero-copy memory when transferring data between Java and Python.
+This guide demonstrates how to use the Java Apache Arrow implementation library (JArrow) with GraalPy, achieving zero-copy memory when transferring data between Java and Python native extensions, such as Pandas.
 
 ## 2. What you will need 
 * Basic knowledge of JArrow
@@ -90,8 +90,8 @@ There is also another option `arrow-memory-netty`. You can read more about Apach
     <execution>
       <configuration>
         <packages> <!-- ① -->
-          <package>pandas</package> <!-- ② -->
-          <package>pyarrow</package> <!-- ③ -->
+          <package>pandas==2.2.3</package> <!-- ② -->
+          <package>pyarrow==19.0.0</package> <!-- ③ -->
         </packages>
       </configuration>
       <goals>
@@ -107,7 +107,7 @@ or
 `build.gradle`
 ```
 plugins {
-    id 'org.graalvm.python' version '24.2.0'
+    id 'org.graalvm.python' version '24.2.1'
     // ...
 ```
 
@@ -116,8 +116,8 @@ plugins {
 graalPy {
     community = true
     packages = [ // ①
-                 'pandas', // ②
-                 'pyarrow' // ③
+                 'pandas==2.2.3', // ②
+                 'pyarrow==19.0.0' // ③
     ]
 }
 ```
@@ -138,7 +138,6 @@ public static Context initContext() throws IOException {
   var fs = VirtualFileSystem.create();
   GraalPyResources.extractVirtualFileSystemResources(fs, resourcesDir); // ②
   return GraalPyResources.contextBuilder(resourcesDir)
-          .option("python.PythonHome", "")
           .option("python.WarnExperimentalFeatures", "false")
           .allowHostAccess(HostAccess.ALL)
           .allowHostClassLookup(_ -> true)
@@ -147,9 +146,9 @@ public static Context initContext() throws IOException {
 }
 ```
 
-❶ Specify directory where resources will be copied.
+❶ Specify directory where python resources will be copied.
 
-❷ Copy the resources from Virtual File System to the directory specified. This step is needed because PyArrow ...? 
+❷ Copy the resources from Virtual File System (from the jar) to the directory specified in previous step. We are using real file system since 
 
 ❸ Create the context with the given configuration. 
 

graalpy/graalpy-apache-arrow-guide/build.gradle

@@ -1,5 +1,5 @@
 plugins {
-    id 'org.graalvm.python' version '24.2.0'
+    id 'org.graalvm.python' version '24.2.1'
     // ...
     id 'application'
     id 'java'
@@ -12,8 +12,8 @@ description = 'graalpy-apache-arrow-guide'
 graalPy {
     community = true
     packages = [ // ①
-                 'pandas', // ②
-                 'pyarrow' // ③
+                 'pandas==2.2.3', // ②
+                 'pyarrow==19.0.0' // ③
     ]
 }
 

graalpy/graalpy-apache-arrow-guide/gradle/libs.versions.toml

@@ -13,9 +13,7 @@
         <maven.compiler.target>23</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <arrow.version>17.0.0</arrow.version>
-        <!--Python version needs to be changed when we publish public artefacts-->
-        <!--        <python.version>25.0.0-SNAPSHOT</python.version>-->
-        <python.version>26.0.0</python.version>
+        <python.version>24.2.1</python.version>
     </properties>
 
 
@@ -56,8 +54,8 @@
                     <execution>
                         <configuration>
                             <packages> <!-- ① -->
-                                <package>pandas</package> <!-- ② -->
-                                <package>pyarrow</package> <!-- ③ -->
+                                <package>pandas==2.2.3</package> <!-- ② -->
+                                <package>pyarrow==19.0.0</package> <!-- ③ -->
                             </packages>
                         </configuration>
                         <goals>

graalpy/graalpy-apache-arrow-guide/pom.xml

@@ -2,19 +2,14 @@
 
 import java.io.IOException;
 import java.nio.file.Path;
-import java.time.Duration;
-import java.util.Map;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-
 import org.apache.arrow.memory.BufferAllocator;
 import org.apache.arrow.memory.RootAllocator;
 import org.apache.arrow.vector.Float8Vector;
 import org.graalvm.polyglot.Context;
 import org.graalvm.polyglot.HostAccess;
 import org.graalvm.polyglot.Value;
-import org.graalvm.python.embedding.utils.GraalPyResources;
-import org.graalvm.python.embedding.utils.VirtualFileSystem;
+import org.graalvm.python.embedding.GraalPyResources;
+import org.graalvm.python.embedding.VirtualFileSystem;
 
 public class Main {
 
@@ -25,7 +20,6 @@ public static Context initContext() throws IOException {
         var fs = VirtualFileSystem.create();
         GraalPyResources.extractVirtualFileSystemResources(fs, resourcesDir); // ②
         return GraalPyResources.contextBuilder(resourcesDir)
-                .option("python.PythonHome", "")
                 .option("python.WarnExperimentalFeatures", "false")
                 .allowHostAccess(HostAccess.ALL)
                 .allowHostClassLookup(_ -> true)