Show no interpreter marker in the status bar (PY-33785)

python/python-community-configure/src/com/jetbrains/python/configuration/PySdkStatusBar.kt

@@ -53,9 +53,13 @@ private class PySdkStatusBar(project: Project) : EditorBasedStatusBarPopup(proje
 
     module = ModuleUtil.findModuleForFile(file, project!!) ?: return WidgetState.HIDDEN
 
-    val sdk = PythonSdkType.findPythonSdk(module) ?: return WidgetState.HIDDEN
-
-    return WidgetState("Current Interpreter: ${shortenNameAndPath(sdk)}]", shortenNameInBar(sdk), true)
+    val sdk = PythonSdkType.findPythonSdk(module)
+    return if (sdk == null) {
+      WidgetState("", noInterpreterMarker, true)
+    }
+    else {
+      WidgetState("Current Interpreter: ${shortenNameAndPath(sdk)}]", shortenNameInBar(sdk), true)
+    }
   }
 
   override fun registerCustomListeners() {

python/src/com/jetbrains/python/sdk/PySdkListCellRenderer.kt

@@ -28,7 +28,7 @@ import javax.swing.JList
  * @author vlan
  */
 open class PySdkListCellRenderer @JvmOverloads constructor(private val sdkModifiers: Map<Sdk, SdkModificator>?,
-                                                           private val nullSdkName: String = "<No interpreter>",
+                                                           private val nullSdkName: String = noInterpreterMarker,
                                                            private val nullSdkValue: Sdk? = null) : ColoredListCellRenderer<Any>() {
 
   override fun getListCellRendererComponent(list: JList<out Any>?, value: Any?, index: Int, selected: Boolean,

python/src/com/jetbrains/python/sdk/PySdkRendering.kt

@@ -15,6 +15,8 @@ import com.jetbrains.python.sdk.pipenv.PIPENV_ICON
 import com.jetbrains.python.sdk.pipenv.isPipEnv
 import javax.swing.Icon
 
+const val noInterpreterMarker: String = "<No interpreter>"
+
 fun name(sdk: Sdk, sdkModificator: SdkModificator? = null): Triple<String?, String, String?> = name(sdk, sdkModificator?.name ?: sdk.name)
 
 /**