Function Strs_init

python/stringzilla.c:7474–7539

}

static int Strs_init(Strs *self, PyObject *args, PyObject *kwargs) {

    // Manual argument parsing for performance
    Py_ssize_t nargs = PyTuple_Size(args);
    if (nargs > 2) {
        PyErr_SetString(PyExc_TypeError,
                        "Strs() takes at most 2 arguments: sequence of strings and a boolean indicator");
        return -1;
    }

    PyObject *sequence_obj = nargs >= 1 ? PyTuple_GET_ITEM(args, 0) : NULL;
    PyObject *view_obj = nargs >= 2 ? PyTuple_GET_ITEM(args, 1) : NULL;
    int view = 0; // Default to copy mode

    // Parse keyword arguments if provided
    if (kwargs) {
        Py_ssize_t pos = 0;
        PyObject *key, *value;
        while (PyDict_Next(kwargs, &pos, &key, &value)) {
            if (PyUnicode_CompareWithASCIIString(key, "sequence") == 0 && !sequence_obj) { sequence_obj = value; }
            else if (PyUnicode_CompareWithASCIIString(key, "view") == 0 && !view_obj) { view_obj = value; }
            else {
                PyErr_Format(PyExc_TypeError, "Got an unexpected keyword argument '%U'", key);
                return -1;
            }
        }
    }

    // Parse view flag
    if (view_obj) {
        view = PyObject_IsTrue(view_obj);
        if (view == -1) return -1;
    }

    // If no sequence provided, create empty Strs
    if (!sequence_obj) {
        self->layout = STRS_FRAGMENTED;
        self->data.fragmented.count = 0;
        self->data.fragmented.spans = NULL;
        sz_memory_allocator_init_default(&self->data.fragmented.allocator);
        self->data.fragmented.parent = NULL;
        return 0;
    }

    // Check if it's an Arrow array (has `__arrow_c_array__` method)
    PyObject *arrow_method = PyObject_GetAttrString(sequence_obj, "__arrow_c_array__");
    if (arrow_method) {
        Py_DECREF(arrow_method);
        return Strs_init_from_pyarrow(self, sequence_obj, view);
    }

    // Handle more traditional Python sequences
    PyErr_Clear(); // Clear the attribute error from checking for `__arrow_c_array__`

    if (PyTuple_Check(sequence_obj)) { return Strs_init_from_tuple(self, sequence_obj, view); }
    else if (PyList_Check(sequence_obj)) { return Strs_init_from_list(self, sequence_obj, view); }
    else if (PyObject_HasAttrString(sequence_obj, "__iter__")) {
        return Strs_init_from_iterable(self, sequence_obj, view);