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Re: python-aware wdiff?

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  Re: python-aware wdiff? Ian Kelly <ian.g.kelly@gmail.com> - 2014-07-14 14:59 -0600

#74436 — Re: python-aware wdiff?

On Mon, Jul 14, 2014 at 2:01 PM, Terry Reedy <tjreedy@udel.edu> wrote:
> The under-known difflib.differ shows within line differences.
> Your example would look like:
>
> -    if not metar.is_in_temp_range_f(...):
> ?           ^^^^^
> +    if not info.is_in_temp_range_f
> ?           ^^^^
>
> Deletions and insertions are indicated with '-' and '+'.
> I use this routinely, when backporting patches, in a script that differs the
> 2.7 and 3.4 versions of repository files.

That will produce a minimal diff though, not a syntax-aware diff. If
the latter is important, something could probably be cooked up using
tokenize and difflib. Not sure how much work that would be.

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