suggest interpreter home paths for IronPython

python/src/com/jetbrains/python/sdk/IronPythonSdkFlavor.java

@@ -3,8 +3,10 @@ package com.jetbrains.python.sdk;
 import com.intellij.execution.configurations.GeneralCommandLine;
 
 import java.io.File;
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
+import java.util.List;
 
 /**
  * @author yole
@@ -15,6 +17,27 @@ public class IronPythonSdkFlavor extends PythonSdkFlavor {
 
   public static IronPythonSdkFlavor INSTANCE = new IronPythonSdkFlavor();
 
+  @Override
+  public List<String> suggestHomePaths() {
+    List<String> result = new ArrayList<String>();
+    String root = System.getenv("ProgramFiles(x86)");
+    if (root == null) {
+      root = System.getenv("ProgramFiles");
+    }
+    if (root != null) {
+      final File[] dirs = new File(root).listFiles();
+      for (File dir : dirs) {
+        if (dir.getName().startsWith("IronPython")) {
+          File ipy = new File(dir, "ipy.exe");
+          if (ipy.exists()) {
+            result.add(ipy.getPath());
+          }
+        }
+      }
+    }
+    return result;
+  }
+
   @Override
   public boolean isValidSdkHome(String path) {
     final String name = new File(path).getName();