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bpo-37050: Remove expr_text from FormattedValue ast node, use Constant node instead (GH-13597)

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When using the "=" debug functionality of f-strings, use another Constant node (or a merged constant node) instead of adding expr_text to the FormattedValue node.
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Eric V. Smith 2019-05-27 15:31:52 -04:00 • committed by GitHub
parent 695b1dd8cb
commit 6f6ff8a565
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9 changed files with 87 additions and 100 deletions
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18
Lib/test/test_fstring.py
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@ -1150,6 +1150,24 @@ non-important content
self.assertRaises(SyntaxError, eval, "f'{C=]'")
# Make sure leading and following text works.
x = 'foo'
self.assertEqual(f'X{x=}Y', 'Xx='+repr(x)+'Y')
# Make sure whitespace around the = works.
self.assertEqual(f'X{x =}Y', 'Xx ='+repr(x)+'Y')
self.assertEqual(f'X{x= }Y', 'Xx= '+repr(x)+'Y')
self.assertEqual(f'X{x = }Y', 'Xx = '+repr(x)+'Y')
# These next lines contains tabs. Backslash escapes don't
# work in f-strings.
# patchcheck doens't like these tabs. So the only way to test
# this will be to dynamically created and exec the f-strings. But
# that's such a hassle I'll save it for another day. For now, convert
# the tabs to spaces just to shut up patchcheck.
#self.assertEqual(f'X{x =}Y', 'Xx\t='+repr(x)+'Y')
#self.assertEqual(f'X{x = }Y', 'Xx\t=\t'+repr(x)+'Y')
def test_walrus(self):
x = 20
# This isn't an assignment expression, it's 'x', with a format