smart indent on paste for Python (PY-208)

python/src/META-INF/python-plugin-common.xml

@@ -175,6 +175,8 @@
     <moduleService serviceInterface="com.jetbrains.python.psi.resolve.PythonPathCache"
                    serviceImplementation="com.jetbrains.python.psi.resolve.PythonPathCache"/>
 
+    <copyPastePostProcessor implementation="com.jetbrains.python.codeInsight.CopyPasteIndentProcessor"/>
+
     <!-- Django -->
     <codeInsight.lineMarkerProvider language="Python" implementationClass="com.jetbrains.django.annotator.ViewMethodLineMarkerProvider"/>
     <configurationType implementation="com.jetbrains.django.run.DjangoServerRunConfigurationType"/>

python/testData/copyPaste/Indent1.after.py

@@ -0,0 +1,3 @@
+def bar():
+    x = 1
+    y = 2

python/testData/copyPaste/Indent1.dst.py

@@ -0,0 +1,2 @@
+def bar():
+    <caret>

python/testData/copyPaste/Indent1.src.py

@@ -0,0 +1,4 @@
+class C:
+    def foo(self):
+<selection>        x = 1
+        y = 2</selection>

python/testData/copyPaste/Indent2.after.py

@@ -0,0 +1,3 @@
+def bar():
+    x = 1
+    y = 2

python/testData/copyPaste/Indent2.dst.py

@@ -0,0 +1,2 @@
+def bar():
+    <caret>

python/testData/copyPaste/Indent2.src.py

@@ -0,0 +1,4 @@
+class C:
+    def foo(self):
+        <selection>x = 1
+        y = 2</selection>

python/testSrc/com/jetbrains/python/PyCopyPasteTest.java

@@ -0,0 +1,26 @@
+package com.jetbrains.python;
+
+import com.intellij.openapi.actionSystem.IdeActions;
+import com.jetbrains.python.fixtures.PyLightFixtureTestCase;
+
+/**
+ * @author yole
+ */
+public class PyCopyPasteTest extends PyLightFixtureTestCase {
+  public void testIndent1() {
+    doTest();
+  }
+
+  public void testIndent2() {
+    doTest();
+  }
+
+  private void doTest() {
+    String name = getTestName(false);
+    myFixture.configureByFile("copyPaste/" + name + ".src.py");
+    myFixture.performEditorAction(IdeActions.ACTION_EDITOR_COPY);
+    myFixture.configureByFile("copyPaste/"+ name + ".dst.py");
+    myFixture.performEditorAction(IdeActions.ACTION_EDITOR_PASTE);
+    myFixture.checkResultByFile("copyPaste/" + name + ".after.py");
+  }
+}