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Fix an issue with assigning to __debug__, which is essentially the same as assigning to a keyword.

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Dave Halter
2017-07-29 15:30:54 +02:00
parent 637e557486
commit c139ef4107
2 changed files with 7 additions and 1 deletions
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5
parso/python/normalizer.py
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@@ -97,6 +97,7 @@ class Context(object):
self.node = node self.node = node
self.blocks = [] self.blocks = []
self.parent_context = parent_context self.parent_context = parent_context
self.used_names = dict()
def is_async_funcdef(self): def is_async_funcdef(self):
# Stupidly enough async funcdefs can have two different forms, # Stupidly enough async funcdefs can have two different forms,
@@ -387,6 +388,10 @@ class ErrorFinder(Normalizer):
self._add_indentation_error(message, spacing) self._add_indentation_error(message, spacing)
else: else:
self._add_syntax_error('invalid syntax', leaf) self._add_syntax_error('invalid syntax', leaf)
elif leaf.type == 'name':
if leaf.value == '__debug__' and leaf.is_definition():
message = 'assignment to keyword'
self._add_syntax_error(message, leaf)
elif leaf.type == 'string': elif leaf.type == 'string':
if 'b' in leaf.string_prefix.lower() \ if 'b' in leaf.string_prefix.lower() \
and any(c for c in leaf.value if ord(c) > 127): and any(c for c in leaf.value if ord(c) > 127):

3
test/test_python_errors.py
View File

@@ -81,7 +81,8 @@ def test_indentation_errors(code, positions):
'from .__future__ import whatever', 'from .__future__ import whatever',
'def f(x=3, y): pass', 'def f(x=3, y): pass',
'lambda x=3, y: x', 'lambda x=3, y: x',
#'__debug__ = 1' '__debug__ = 1',
'with x() as __debug__: pass',
# Mostly 3.6 relevant # Mostly 3.6 relevant
'[]: int', '[]: int',
'[a, b]: int', '[a, b]: int',