mirror of https://github.com/python/cpython
#12266: Fix str.capitalize() to correctly uppercase/lowercase titlecased and cased non-letter characters.
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@ -96,6 +96,23 @@ class CommonTest(unittest.TestCase):
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self.checkequal('Aaaa', 'aaaa', 'capitalize')
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self.checkequal('Aaaa', 'AaAa', 'capitalize')
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# check that titlecased chars are lowered correctly
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# \u1ffc is the titlecased char
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self.checkequal(u'\u1ffc\u1ff3\u1ff3\u1ff3',
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u'\u1ff3\u1ff3\u1ffc\u1ffc', 'capitalize')
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# check with cased non-letter chars
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self.checkequal(u'\u24c5\u24e8\u24e3\u24d7\u24de\u24dd',
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u'\u24c5\u24ce\u24c9\u24bd\u24c4\u24c3', 'capitalize')
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self.checkequal(u'\u24c5\u24e8\u24e3\u24d7\u24de\u24dd',
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u'\u24df\u24e8\u24e3\u24d7\u24de\u24dd', 'capitalize')
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self.checkequal(u'\u2160\u2171\u2172',
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u'\u2160\u2161\u2162', 'capitalize')
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self.checkequal(u'\u2160\u2171\u2172',
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u'\u2170\u2171\u2172', 'capitalize')
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# check with Ll chars with no upper - nothing changes here
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self.checkequal(u'\u019b\u1d00\u1d86\u0221\u1fb7',
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u'\u019b\u1d00\u1d86\u0221\u1fb7', 'capitalize')
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self.checkraises(TypeError, 'hello', 'capitalize', 42)
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def test_count(self):
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@ -9,6 +9,9 @@ What's New in Python 2.7.3?
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Core and Builtins
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-----------------
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- Issue #12266: Fix str.capitalize() to correctly uppercase/lowercase
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titlecased and cased non-letter characters.
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- Issues #12610 and #12609: Verify that user generated AST has correct string
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and identifier types before compiling.
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@ -5485,13 +5485,13 @@ int fixcapitalize(PyUnicodeObject *self)
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if (len == 0)
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return 0;
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if (Py_UNICODE_ISLOWER(*s)) {
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if (!Py_UNICODE_ISUPPER(*s)) {
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*s = Py_UNICODE_TOUPPER(*s);
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status = 1;
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}
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s++;
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while (--len > 0) {
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if (Py_UNICODE_ISUPPER(*s)) {
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if (!Py_UNICODE_ISLOWER(*s)) {
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*s = Py_UNICODE_TOLOWER(*s);
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status = 1;
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}
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