[python] PY-79486: Move Module.pythonSdk to sdk module and reuse it multi-module project.

GitOrigin-RevId: db441216c40aa35cbf494e05e3f6b549cd261cd6

python/python-sdk/src/com/jetbrains/python/sdk/ModuleEx.kt

@@ -0,0 +1,25 @@
+package com.jetbrains.python.sdk
+
+import com.intellij.codeInsight.daemon.DaemonCodeAnalyzer
+import com.intellij.openapi.application.ApplicationManager
+import com.intellij.openapi.application.runInEdt
+import com.intellij.openapi.diagnostic.fileLogger
+import com.intellij.openapi.module.Module
+import com.intellij.openapi.projectRoots.Sdk
+import com.intellij.openapi.roots.ModuleRootModificationUtil
+import com.jetbrains.python.sdk.legacy.PythonSdkUtil
+
+var Module.pythonSdk: Sdk?
+  get() = PythonSdkUtil.findPythonSdk(this)
+  set(newSdk) {
+    val prevSdk = pythonSdk
+    thisLogger.info("Setting PythonSDK $newSdk to module $this")
+    ModuleRootModificationUtil.setModuleSdk(this, newSdk)
+    runInEdt {
+      DaemonCodeAnalyzer.getInstance(project).restart("Setting PythonSDK $newSdk to module $this")
+    }
+    ApplicationManager.getApplication().messageBus.syncPublisher(PySdkListener.TOPIC).moduleSdkUpdated(this, prevSdk, newSdk)
+  }
+
+
+private val thisLogger = fileLogger()

python/python-sdk/src/com/jetbrains/python/sdk/PySdkListener.kt

@@ -0,0 +1,18 @@
+// 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.sdk
+
+import com.intellij.openapi.module.Module
+import com.intellij.openapi.projectRoots.Sdk
+import com.intellij.util.messages.Topic
+import org.jetbrains.annotations.ApiStatus
+
+@ApiStatus.Internal
+interface PySdkListener {
+  @ApiStatus.Internal
+  fun moduleSdkUpdated(module: Module, prevSdk: Sdk?, newSdk: Sdk?)
+
+  companion object {
+    @ApiStatus.Internal
+    val TOPIC: Topic<PySdkListener> = Topic.create("Python SDK listener", PySdkListener::class.java)
+  }
+}