[semidet]py_is_object(@Term)True when Term is a Python object reference. Fails silently
if Term is any other Prolog term.
- Errors
existence_error(py_object, Term) is raised of Term
is a Python object, but it has been freed using py_free/1.- Compatibility
- PIP. The SWI-Prolog implementation is safe in the sense that an
arbitrary term cannot be confused with a Python object and a reliable
error is generated if the references has been freed. Portable
applications can not rely on this.