Example of refactoring using rope library.

tools/telemetry/third_party/rope/docs/rope.rst

+Features
+========
+
+Features implemented so far:
+
+* Refactorings
+
+  * Rename everything!
+  * Extract method/local variable
+  * Move class/function/module/package/method
+  * Inline method/local variable/parameter
+  * Restructuring (like converting ``${a}.f(${b})`` to
+    ``${b}.g(${a})`` where ``a: type=mymod.A``)
+  * Introduce factory
+  * Change method signature
+  * Transform module to package
+  * Encapsulate field
+  * Replace method with method object
+  * And a few others
+
+* Refactoring Features
+
+  * Extracting similar statements in extract refactorings
+  * Fixing imports when needed
+  * Previewing refactorings
+  * Undo/redo refactorings
+  * Stopping refactorings
+  * Cross-project refactorings
+  * Basic implicit interfaces handling in rename and change signature
+  * Mercurial_, GIT_, Darcs_ and SVN (pysvn_ library) support in
+    refactorings
+
+* IDE helpers
+
+  * Auto-completion
+  * Definition location
+  * Get pydoc
+  * Find occurrences
+  * Organize imports (remove unused and duplicate imports and sort them)
+  * Generating python elements
+
+* Object Inference
+
+  * Static and dynamic object analysis
+  * Handling built-in container types
+  * Saving object information on disk and validating them
+
+For more information see `overview.rst`_.
+
+
+.. _overview.rst: overview.rst
+.. _pysvn: http://pysvn.tigris.org
+.. _Mercurial: http://selenic.com/mercurial
+.. _GIT: http://git.or.cz
+.. _darcs: http://darcs.net