PY-72070 Introduced PythonPackagesInstallerAsync for performing package installations asynchronously using coroutines. Updated the existing PyPackageManagerUI to utilize this new asynchronous method.

(cherry picked from commit 80c4c17b9ad7a209be747b10dc5bdbd94cff6b9b)

GitOrigin-RevId: e7a89997e694e792794fe604e7c4270be9517b24

python/src/com/jetbrains/python/packaging/PyPackageManagerUI.java

@@ -2,7 +2,6 @@
 package com.jetbrains.python.packaging;
 
 import com.intellij.execution.ExecutionException;
-import com.intellij.execution.RunCanceledByUserException;
 import com.intellij.ide.IdeBundle;
 import com.intellij.model.SideEffectGuard;
 import com.intellij.notification.Notification;
@@ -260,43 +259,18 @@ public final class PyPackageManagerUI {
     @Override
     protected @NotNull List<ExecutionException> runTask(@NotNull ProgressIndicator indicator) {
       final List<ExecutionException> exceptions = new ArrayList<>();
-      final PyPackageManager manager = PyPackageManagers.getInstance().forSdk(mySdk);
-      if (myRequirements == null) {
-        indicator.setText(PyBundle.message("python.packaging.installing.packages"));
-        indicator.setIndeterminate(true);
-        try {
-          manager.install(null, myExtraArgs);
-        }
-        catch (ExecutionException e) {
-          exceptions.add(e);
-        }
+
+      if (myProject == null) {
+        return exceptions;
       }
-      else {
-        final int size = myRequirements.size();
-        for (int i = 0; i < size; i++) {
-          final PyRequirement requirement = myRequirements.get(i);
-          indicator.setText(PyBundle.message("python.packaging.progress.text.installing.specific.package",
-                                             requirement.getPresentableText()));
-          if (i == 0) {
-            indicator.setIndeterminate(true);
-          }
-          else {
-            indicator.setIndeterminate(false);
-            indicator.setFraction((double)i / size);
-          }
-          try {
-            manager.install(Collections.singletonList(requirement), myExtraArgs);
-          }
-          catch (RunCanceledByUserException e) {
-            exceptions.add(e);
-            break;
-          }
-          catch (ExecutionException e) {
-            exceptions.add(e);
-          }
-        }
-      }
-      manager.refresh();
+
+      PythonPackagesInstallerAsync.Companion.installPackages(
+        myProject,
+        myRequirements,
+        myExtraArgs,
+        indicator
+      );
+
       return exceptions;
     }
 

python/src/com/jetbrains/python/packaging/management/PythonPackageInstallerAsync.kt

@@ -0,0 +1,76 @@
+// Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+package com.jetbrains.python.packaging
+
+import com.intellij.openapi.progress.ProgressIndicator
+import com.intellij.openapi.project.Project
+import com.jetbrains.python.PyBundle
+import com.jetbrains.python.packaging.common.PythonPackageSpecification
+import com.jetbrains.python.packaging.common.PythonPackageSpecificationBase
+import com.jetbrains.python.packaging.common.PythonSimplePackageSpecification
+import com.jetbrains.python.packaging.toolwindow.PyPackagingToolWindowService
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+
+class PythonPackagesInstallerAsync {
+
+  companion object {
+    fun installPackages(
+      project: Project,
+      requirements: List<PyRequirement>?,
+      extraArgs: List<String>,
+      indicator: ProgressIndicator,
+    ) {
+      val packageService = PyPackagingToolWindowService.getInstance(project)
+
+      packageService.serviceScope.launch(Dispatchers.IO) {
+        if (requirements.isNullOrEmpty()) {
+          installWithoutRequirements(packageService, extraArgs, indicator)
+        }
+        else {
+          installWithRequirements(packageService, requirements, extraArgs, indicator)
+        }
+      }
+    }
+
+    private suspend fun installWithoutRequirements(
+      packageService: PyPackagingToolWindowService,
+      extraArgs: List<String>,
+      indicator: ProgressIndicator,
+    ) {
+      indicator.text = PyBundle.message("python.packaging.installing.packages")
+      indicator.isIndeterminate = true
+
+      val emptySpecification = PythonPackageSpecificationBase("", null, null, null)
+      packageService.installPackage(emptySpecification, extraArgs)
+    }
+
+    private suspend fun installWithRequirements(
+      packageService: PyPackagingToolWindowService,
+      requirements: List<PyRequirement>,
+      extraArgs: List<String>,
+      indicator: ProgressIndicator,
+    ) {
+      requirements.forEachIndexed { index, requirement ->
+        indicator.text = PyBundle.message("python.packaging.progress.text.installing.specific.package", requirement.presentableText)
+        updateProgress(indicator, index, requirements.size)
+
+        val specification = createSpecificationForRequirement(requirement)
+        packageService.installPackage(specification, extraArgs)
+      }
+    }
+
+    private fun updateProgress(indicator: ProgressIndicator, index: Int, total: Int) {
+      indicator.isIndeterminate = index == 0
+      if (total > 0) {
+        indicator.fraction = index.toDouble() / total
+      }
+    }
+
+    private fun createSpecificationForRequirement(
+      requirement: PyRequirement,
+    ): PythonPackageSpecification {
+      val packageName = requirement.name
+      return PythonSimplePackageSpecification(packageName, null, null)
+    }
+  }
+}