I'm not sure what you mean by "deprecated features" when upgrading from Python 2.5 to Python 2.6.
Release notes are very specific. http://docs.python.org/whatsnew/2.6.html
No outdated features. Several integer modules are deprecated and one attribute of the Exception class.
You have GREP (or FIND) and you have PYTHON, which you can use to search 100 Python source files.
2.5 2.6, .
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, . . (, md5.) , GREP md5 .