split PythonPackageManager implementation for new version

Author: samgst-amazon

plugins/amazonq/shared/jetbrains-community/src-242-251/software/aws/toolkits/jetbrains/services/amazonq/lsp/dependencies/providers/PythonModuleUtil.kt

@@ -0,0 +1,9 @@
+// Copyright 2025 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package software.aws.toolkits.jetbrains.services.amazonq.lsp.dependencies.providers
+import com.jetbrains.python.packaging.common.PythonPackage
+import com.jetbrains.python.packaging.management.PythonPackageManager
+
+fun getInstalledPackages(packageManager: PythonPackageManager): List<PythonPackage> =
+    packageManager.installedPackages

plugins/amazonq/shared/jetbrains-community/src-252+/software/aws/toolkits/jetbrains/services/amazonq/lsp/dependencies/providers/PythonModuleDependencyProvider.kt

@@ -0,0 +1,9 @@
+// Copyright 2025 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package software.aws.toolkits.jetbrains.services.amazonq.lsp.dependencies.providers
+import com.jetbrains.python.packaging.common.PythonPackage
+import com.jetbrains.python.packaging.management.PythonPackageManager
+
+fun getInstalledPackages(packageManager: PythonPackageManager): List<PythonPackage> =
+    packageManager.listInstalledPackagesSnapshot()

plugins/amazonq/shared/jetbrains-community/src-252+/software/aws/toolkits/jetbrains/services/amazonq/lsp/dependencies/providers/PythonModuleUtil.kt

@@ -19,7 +19,7 @@ internal class PythonModuleDependencyProvider : ModuleDependencyProvider {
         PythonSdkUtil.findPythonSdk(module)?.let { sdk ->
             PythonSdkUtil.getSitePackagesDirectory(sdk)?.let { sitePackagesDir ->
                 val packageManager = PythonPackageManager.forSdk(module.project, sdk)
-                packageManager.installedPackages.forEach { pkg ->
+                getInstalledPackages(packageManager).forEach { pkg ->
                     val packageDir = sitePackagesDir.findChild(pkg.name)
                     if (packageDir != null) {
                         dependencies.add(packageDir.path)