> A couple other things come to mind. That's a regular expression, so does
> pylint automatically attach a trailing '$' anchor? If not, any variables
> prefixed with that regular expression would be treated as a dummy
> variable, e.g., "icicle" as well as "i".
I looked in the 0.15.2 source code (the latest I had conveniently laying
about) and confirmed that pylint just calls match() with the value of
dummy-variables-rgx:
authorized_rgx = self.config.dummy_variables_rgx
for name, stmts in not_consumed.items():
# ignore some special names specified by user configuration
if authorized_rgx.match(name):
continue
...
That means that Derek's setting is probably a bit looser than he thought.
Better to be explicit if you truly want unused variables named i, j, k, or
dummy to be allowed:
dummy-variables-rqx=_|([ijk]|dummy)$
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