Function _convert_from_any

numpy/core/src/multiarray/descriptor.c:1608–1698

_convert_from_str(PyObject *obj, int align);

static PyArray_Descr *
_convert_from_any(PyObject *obj, int align)
{
    /* default */
    if (obj == Py_None) {
        return PyArray_DescrFromType(NPY_DEFAULT_TYPE);
    }
    else if (PyArray_DescrCheck(obj)) {
        PyArray_Descr *ret = (PyArray_Descr *)obj;
        Py_INCREF(ret);
        return ret;
    }
    else if (PyType_Check(obj)) {
        return _convert_from_type(obj);
    }
    /* or a typecode string */
    else if (PyBytes_Check(obj)) {
        /* Allow bytes format strings: convert to unicode */
        PyObject *obj2 = PyUnicode_FromEncodedObject(obj, NULL, NULL);
        if (obj2 == NULL) {
            /* Convert the exception into a TypeError */
            if (PyErr_ExceptionMatches(PyExc_UnicodeDecodeError)) {
                PyErr_SetString(PyExc_TypeError,
                        "data type not understood");
            }
            return NULL;
        }
        PyArray_Descr *ret = _convert_from_str(obj2, align);
        Py_DECREF(obj2);
        return ret;
    }
    else if (PyUnicode_Check(obj)) {
        return _convert_from_str(obj, align);
    }
    else if (PyTuple_Check(obj)) {
        /* or a tuple */
        if (Py_EnterRecursiveCall(
                " while trying to convert the given data type from"
                " a tuple object" ) != 0) {
            return NULL;
        }
        PyArray_Descr *ret = _convert_from_tuple(obj, align);
        Py_LeaveRecursiveCall();
        return ret;
    }
    else if (PyList_Check(obj)) {
        /* or a list */
        if (Py_EnterRecursiveCall(
                " while trying to convert the given data type from"
                " a list object" ) != 0) {
            return NULL;
        }
        PyArray_Descr *ret = _convert_from_array_descr(obj, align);
        Py_LeaveRecursiveCall();
        return ret;
    }
    else if (PyDict_Check(obj) || PyDictProxy_Check(obj)) {
        /* or a dictionary */