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Add issue 'duplicate argument '%s' in function definition'

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Dave Halter
2017-07-25 22:17:15 +02:00
parent 6a92f5ec2d
commit d6f5fcf439
2 changed files with 14 additions and 2 deletions
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6
parso/python/normalizer.py
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@@ -255,8 +255,14 @@ class ErrorFinder(Normalizer):
self._add_syntax_error(message, node)
break
elif node.type in ('parameters', 'lambdef'):
param_names = set()
default_only = False
for p in _iter_params(node):
if p.name.value in param_names:
message = "duplicate argument '%s' in function definition"
self._add_syntax_error(message % p.name.value, p.name)
param_names.add(p.name.value)
if p.default is None:
if default_only:
# def f(x=3, y): pass