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Allow unparenthesized walrus in set literals, set comprehensions and indexes

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This commit is contained in:
gousaiyang
2020-11-27 14:37:55 -08:00
parent d39aadc4cc
commit b287476366
4 changed files with 34 additions and 5 deletions
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25
test/test_python_errors.py
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@@ -289,12 +289,37 @@ def test_valid_fstrings(code):
'[total := total + v for v in range(10)]',
'while chunk := file.read(2):\n pass',
'numbers = [y := math.factorial(x), y**2, y**3]',
'{(a:="a"): (b:=1)}',
'{(y:=1): 2 for x in range(5)}',
'a[(b:=0)]',
'a[(b:=0, c:=0)]',
'a[(b:=0):1:2]',
]
)
def test_valid_namedexpr(code):
assert not _get_error_list(code, version='3.8')
@pytest.mark.parametrize(
'code', [
'{x := 1, 2, 3}',
'{x4 := x ** 5 for x in range(7)}',
]
)
def test_valid_namedexpr_set(code):
assert not _get_error_list(code, version='3.9')
@pytest.mark.parametrize(
'code', [
'a[b:=0]',
'a[b:=0, c:=0]',
]
)
def test_valid_namedexpr_index(code):
assert not _get_error_list(code, version='3.10')
@pytest.mark.parametrize(
('code', 'message'), [
("f'{1+}'", ('invalid syntax')),