Python -> C++: convert a `PyObject` into a `Point2D` and return false upon failure. The second argument indicates whether implicit conversions should be allowed. The accepted types should reflect the type hint specified by the first argument of `io_name`.
| 41 | // The accepted types should reflect the type hint specified by the first argument of |
| 42 | // `io_name`. |
| 43 | bool load(handle src, bool /*convert*/) { |
| 44 | // Check if handle is a Sequence |
| 45 | if (!py::isinstance<py::sequence>(src)) { |
| 46 | return false; |
| 47 | } |
| 48 | auto seq = py::reinterpret_borrow<py::sequence>(src); |
| 49 | // Check if exactly two values are in the Sequence |
| 50 | if (seq.size() != 2) { |
| 51 | return false; |
| 52 | } |
| 53 | // Check if each element is either a float or an int |
| 54 | for (auto item : seq) { |
| 55 | if (!py::isinstance<py::float_>(item) && !py::isinstance<py::int_>(item)) { |
| 56 | return false; |
| 57 | } |
| 58 | } |
| 59 | value.x = seq[0].cast<double>(); |
| 60 | value.y = seq[1].cast<double>(); |
| 61 | return true; |
| 62 | } |
| 63 | }; |
| 64 | |
| 65 | } // namespace detail |