Function encoder_stringify_key

simplejson/_speedups.c:1028–1075

#endif /* PY_MAJOR_VERSION < 3 */

static PyObject *
encoder_stringify_key(PyEncoderObject *s, PyObject *key)
{
    _speedups_state *state = get_speedups_state(s->module_ref);
    if (PyUnicode_Check(key)) {
        Py_INCREF(key);
        return key;
    }
#if PY_MAJOR_VERSION >= 3
    else if (PyBytes_Check(key) && s->encoding != Py_None) {
        const char *encoding = PyUnicode_AsUTF8(s->encoding);
        if (encoding == NULL)
            return NULL;
        return PyUnicode_Decode(
            PyBytes_AS_STRING(key),
            PyBytes_GET_SIZE(key),
            encoding,
            NULL);
    }
#else /* PY_MAJOR_VERSION >= 3 */
    else if (PyString_Check(key)) {
        Py_INCREF(key);
        return key;
    }
#endif /* PY_MAJOR_VERSION < 3 */
    else if (PyFloat_Check(key)) {
        return encoder_encode_float(s, key);
    }
    else if (key == Py_True || key == Py_False || key == Py_None) {
        /* This must come before the PyInt_Check because
           True and False are also 1 and 0.*/
        return _encoded_const(state, key);
    }
    else if (PyInt_Check(key) || PyLong_Check(key)) {
        return encoder_long_to_str(key);
    }
    else if (s->use_decimal && PyObject_TypeCheck(key, (PyTypeObject *)s->Decimal)) {
        return PyObject_Str(key);
    }
    if (s->skipkeys) {
        Py_INCREF(Py_None);
        return Py_None;
    }
    PyErr_Format(PyExc_TypeError,
                 "keys must be str, int, float, bool or None, "
                 "not %.100s", key->ob_type->tp_name);
    return NULL;
}

/* Call list.sort(**item_sort_kw) on `lst`. Returns 0 on success,
 * -1 on error. Factored out so the fast and slow paths of