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bpo-43797: Handle correctly invalid assignments inside function calls and generators (GH-25390)

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Pablo Galindo 2021-04-13 17:51:21 +01:00 • committed by GitHub
parent fd79af7ae2
commit 30ed93bfec
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4 changed files with 21 additions and 9 deletions
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14
Lib/test/test_syntax.py
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@ -868,6 +868,18 @@ Ensure that early = are not matched by the parser as invalid comparisons
Traceback (most recent call last):
SyntaxError: invalid syntax
>>> dict(x=34); x $ y
Traceback (most recent call last):
SyntaxError: invalid syntax
>>> dict(x=34, (x for x in range 10), 1); x $ y
Traceback (most recent call last):
SyntaxError: invalid syntax
>>> dict(x=34, x=1, y=2); x $ y
Traceback (most recent call last):
SyntaxError: invalid syntax
Make sure that the old "raise X, Y[, Z]" form is gone:
>>> raise X, Y
Traceback (most recent call last):
@ -1013,7 +1025,7 @@ class SyntaxTestCase(unittest.TestCase):
def test_expression_with_assignment(self):
self._check_error(
"print(end1 + end2 = ' ')",
"cannot assign to expression here. Maybe you meant '==' instead of '='?",
'expression cannot contain assignment, perhaps you meant "=="?',
offset=19
)