[backport to 3.6] bpo-28598: Support __rmod__ for RHS subclasses of str in % string formatting operations by mjpieters · Pull Request #95 · python/cpython

Expand Up @@ -1448,6 +1448,15 @@ def test_formatting_huge_precision(self): 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 Expand Down