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gh-115931: Fix `SyntaxWarning`s in `test_unparse` (#115935)

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Nikita Sobolev 2024-02-26 15:32:27 +03:00 committed by GitHub
parent 37f5d06b1b
commit b7383b8b71
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1 changed files with 11 additions and 2 deletions
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Lib/test/test_unparse.py
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@ -650,9 +650,18 @@ class CosmeticTestCase(ASTTestCase):
self.check_ast_roundtrip("""f'''""\"''\\'{""\"\\n\\"'''""\" '''\\n'''}''' """) self.check_ast_roundtrip("""f'''""\"''\\'{""\"\\n\\"'''""\" '''\\n'''}''' """)
def test_backslash_in_format_spec(self): def test_backslash_in_format_spec(self):
self.check_ast_roundtrip("""f"{x:\\ }" """) import re
msg = re.escape("invalid escape sequence '\\ '")
with self.assertWarnsRegex(SyntaxWarning, msg):
self.check_ast_roundtrip("""f"{x:\\ }" """)
self.check_ast_roundtrip("""f"{x:\\n}" """)
self.check_ast_roundtrip("""f"{x:\\\\ }" """) self.check_ast_roundtrip("""f"{x:\\\\ }" """)
self.check_ast_roundtrip("""f"{x:\\\\\\ }" """)
with self.assertWarnsRegex(SyntaxWarning, msg):
self.check_ast_roundtrip("""f"{x:\\\\\\ }" """)
self.check_ast_roundtrip("""f"{x:\\\\\\n}" """)
self.check_ast_roundtrip("""f"{x:\\\\\\\\ }" """) self.check_ast_roundtrip("""f"{x:\\\\\\\\ }" """)
def test_quote_in_format_spec(self): def test_quote_in_format_spec(self):