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call __float__ on str subclasses #5759

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tests by R. David Murray
This commit is contained in:
Benjamin Peterson 2009-04-15 21:26:36 +00:00
parent 5c9914899b
commit 99d36f1563
3 changed files with 17 additions and 1 deletions
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4
Objects/floatobject.c
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@ -1630,7 +1630,9 @@ float_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
return float_subtype_new(type, args, kwds); /* Wimp out */
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|O:float", kwlist, &x))
return NULL;
if (PyString_Check(x))
/* If it's a string, but not a string subclass, use
PyFloat_FromString. */
if (PyString_CheckExact(x))
return PyFloat_FromString(x, NULL);
return PyNumber_Float(x);
}