| @@ -493,6 +493,42 @@ def test_japanese(self): |
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class TestMiscellaneous(unittest.TestCase): |
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+def test_defaults_UTF8(self): |
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+# Issue #18378: on (at least) macOS setting LC_CTYPE to "UTF-8" is |
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+# valid. Futhermore LC_CTYPE=UTF is used by the UTF-8 locale coercing |
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+# during interpreter startup (on macOS). |
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+import _locale |
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+import os |
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+ |
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+self.assertEqual(locale._parse_localename('UTF-8'), (None, 'UTF-8')) |
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+ |
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+if hasattr(_locale, '_getdefaultlocale'): |
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+orig_getlocale = _locale._getdefaultlocale |
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+del _locale._getdefaultlocale |
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+else: |
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+orig_getlocale = None |
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+ |
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+orig_env = {} |
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+try: |
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+for key in ('LC_ALL', 'LC_CTYPE', 'LANG', 'LANGUAGE'): |
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+if key in os.environ: |
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+orig_env[key] = os.environ[key] |
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+del os.environ[key] |
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+ |
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+os.environ['LC_CTYPE'] = 'UTF-8' |
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+ |
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+self.assertEqual(locale.getdefaultlocale(), (None, 'UTF-8')) |
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+ |
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+finally: |
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+for k in orig_env: |
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+os.environ[k] = orig_env[k] |
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+ |
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+if 'LC_CTYPE' not in orig_env: |
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+del os.environ['LC_CTYPE'] |
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+ |
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+if orig_getlocale is not None: |
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+_locale._getdefaultlocale = orig_getlocale |
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+ |
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def test_getpreferredencoding(self): |
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# Invoke getpreferredencoding to make sure it does not cause exceptions. |
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enc = locale.getpreferredencoding() |