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bpo-40334: Error message for invalid default args in function call (GH-19973)

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When parsing something like `f(g()=2)`, where the name of a default arg
is not a NAME, but an arbitrary expression, a specialised error message
is emitted.
This commit is contained in:
Lysandros Nikolaou 2020-05-07 13:44:06 +03:00 • committed by GitHub
parent 2f37c355ab
commit 4638c64295
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4 changed files with 222 additions and 159 deletions
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4
Lib/test/test_exceptions.py
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@ -242,16 +242,16 @@ class ExceptionTests(unittest.TestCase):
check('from __future__ import doesnt_exist', 1, 1)
check('from __future__ import braces', 1, 1)
check('x=1\nfrom __future__ import division', 2, 1)
check('(yield i) = 2', 1, 1)
check('def f(*):\n pass', 1, 7 if support.use_old_parser() else 8)
check('foo(1=2)', 1, 5 if support.use_old_parser() else 6)
@support.skip_if_new_parser("Pegen column offsets might be different")
def testSyntaxErrorOffsetCustom(self):
self.check('for 1 in []: pass', 1, 5)
self.check('[*x for x in xs]', 1, 2)
self.check('def f():\n x, y: int', 2, 3)
self.check('(yield i) = 2', 1, 1)
self.check('foo(x for x in range(10), 100)', 1, 5)
self.check('foo(1=2)', 1, 5)
@cpython_only
def testSettingException(self):