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bpo-28598: Support __rmod__ for RHS subclasses of str in % string formatting operations (#95)

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Martijn Pieters 2017-02-27 16:08:01 +00:00 • committed by Berker Peksag
parent 046041e23b
commit 53039ad381
3 changed files with 21 additions and 3 deletions
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9
Lib/test/test_unicode.py
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@ -1448,6 +1448,15 @@ class UnicodeTest(string_tests.CommonTest,
with self.assertRaises(ValueError):
result = format_string % 2.34
def test_issue28598_strsubclass_rhs(self):
# A subclass of str with an __rmod__ method should be able to hook
# into the % operator
class SubclassedStr(str):
def __rmod__(self, other):
return 'Success, self.__rmod__({!r}) was called'.format(other)
self.assertEqual('lhs %% %r' % SubclassedStr('rhs'),
"Success, self.__rmod__('lhs %% %r') was called")
@support.cpython_only
def test_formatting_huge_precision_c_limits(self):
from _testcapi import INT_MAX