python tool: finding duplicate code

[Ira Baxter]

If you are interested in strong clone detection,
you should check out
http://www.semdesigns.com/Products/Clone/index.html

--
Ira Baxter, Ph.D. CTO Semantic Designs
www.semdesigns.com  512-250-1018

"Michal Wallace" <sabren at manifestation.com> wrote in message
news:mailman.1022676587.23318.python-list at python.org...
>
> In "Refactoring: Improving the Design of Existing Code",
> Martin Fowler and Kent Beck list duplicate code as their
> number one "Code Smell"
>
> Since I'm looking to clean up some of my projects, I went
> looking for a way to find duplicate lines in my python
> project... So I wrote a little python program to do it for
> me.
>
> Features:
>
>     - lists all pairs of overlapping files
>     - shows how many lines are in common
>     - shows each duplicated line
>     - ignores indentation
>     - filters out try, pass, if __name__=="__main__", etc.
>
> It's just string-matching, so it won't find duplicate logic
> with different variable names or layout, but it *can* find
> cut and paste issues.
>
> (hmm... Come to think of it, someone could probably find
> *some* duplicate logic by running source files through the
> tokenizer first. I wonder if that would work...)
>
> Anyway, just thought I'd share:
>
> http://cvs.sabren.com/sixthdev/cvsweb.cgi/sdunit/overlaps.py?rev=1.1
>
> Cheers,
>
> - Michal   http://www.sabren.net/   sabren at manifestation.com
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