python-aware wdiff?

[Roy Smith]

Does anybody know of a wdiff-like tool (http://www.gnu.org/software/wdiff/) which is aware of python syntax and can show token changes instead of word changes.  Wdiff is can turn

-    if not metar.is_in_temp_range_f(situation.weather.low_temperature, situation.weather.high_temperature):
+    if not info.is_in_temp_range_f(situation.weather.low_temperature, situation.weather.high_temperature):

into

    if not [-metar.is_in_temp_range_f(situation.weather.low_temperature,-] {+info.is_in_temp_range_f(situation.weather.low_temperature,+} situation.weather.high_temperature):

but what I really want is:

    if not [-metar-]{+info+}.is_in_temp_range_f(situation.weather.low_temperature, situation.weather.high_temperature):

which makes it more obvious that the change is just the one token.  Does such a tool exist?

---
Roy Smith
roy at panix.com



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