Karthikeyan Singaravelan <tir.kar...@gmail.com> added the comment: Good catch, commenting out the c implementation of datetime in setup.py I can see the following difference.
➜ cpython git:(master) ✗ ./python.exe Python 3.9.0a0 (heads/master-dirty:c8e7146de2, Jul 12 2019, 15:51:00) [Clang 7.0.2 (clang-700.1.81)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> import datetime, sys, unittest.mock >>> datetime.timedelta(seconds=1) == unittest.mock.ANY False ➜ cpython git:(master) ✗ python3.7 Python 3.7.3 (v3.7.3:ef4ec6ed12, Mar 25 2019, 16:52:21) [Clang 6.0 (clang-600.0.57)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> import datetime, sys, unittest.mock >>> datetime.timedelta(seconds=1) == unittest.mock.ANY True The C implementation and Python are different for timedelta__eq__ as mentioned with datetime.__eq__ being same and correct in NotImplementedError. https://github.com/python/cpython/blob/c8e7146de257930ea8d0d4aa74b3a64fcaa79d4b/Modules/_datetimemodule.c#L2152 static PyObject * delta_richcompare(PyObject *self, PyObject *other, int op) { if (PyDelta_Check(other)) { int diff = delta_cmp(self, other); return diff_to_bool(diff, op); } else { Py_RETURN_NOTIMPLEMENTED; } } https://github.com/python/cpython/blob/c8e7146de257930ea8d0d4aa74b3a64fcaa79d4b/Lib/datetime.py#L732 def __eq__(self, other): if isinstance(other, timedelta): return self._cmp(other) == 0 else: return False ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue37555> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
