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| author | Pablo Galindo Salgado <Pablogsal@gmail.com> | 2023-06-02 11:33:26 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-06-02 11:33:26 (GMT) |
| commit | 41de54378d54f7ffc38f07db4219e80f48c4249e (patch) | |
| tree | 42b56206d421d532fb2ac1a9cce7a31458ab26c4 /Lib | |
| parent | 4bfa01b9d911ce9358cf1a453bee15554f8e4c07 (diff) | |
| download | cpython-41de54378d54f7ffc38f07db4219e80f48c4249e.zip cpython-41de54378d54f7ffc38f07db4219e80f48c4249e.tar.gz cpython-41de54378d54f7ffc38f07db4219e80f48c4249e.tar.bz2 | |
gh-105194: Fix format specifier escaped characters in f-strings (#105231)
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_fstring.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Lib/test/test_fstring.py b/Lib/test/test_fstring.py index 3ba2f94..031b94d 100644 --- a/Lib/test/test_fstring.py +++ b/Lib/test/test_fstring.py @@ -764,6 +764,16 @@ x = ( """f'{"s"!{"r"}}'""", ]) + def test_custom_format_specifier(self): + class CustomFormat: + def __format__(self, format_spec): + return format_spec + + self.assertEqual(f'{CustomFormat():\n}', '\n') + self.assertEqual(f'{CustomFormat():\u2603}', '☃') + with self.assertWarns(SyntaxWarning): + exec('f"{F():¯\_(ツ)_/¯}"', {'F': CustomFormat}) + def test_side_effect_order(self): class X: def __init__(self): |