Boost.Python has two smart-pointer-like classes for holding PyObject*.
"handle<>" is more or less a customized intrusive_ptr, with the ability
to be templated on other PyObject "derived" types (like PyTypeObject).
The "object" hierarchy provides a much higher-level API, and defaults to
Python's None rather than a null pointer.
In terms of actual usage, I see:
- "object" is widely used in the public Boost.Python API, and is
extremely useful there.
- "handle<>" is rarely used except as a bridge to create object from
PyObject*. The internal API tends to use raw PyObject* instead.
- "handle<>" is almost never used with a non-default template parameter.
Is there any reason why the internal API uses raw PyObject* instead of
handle<>?
If not, I'm inclined to start using handle<> there (or even object, for
features that have become widely used like rvalue-converters).
And since handle<> is almost never used as a template, I'm inclined to
make it a regular class - or even just a typedef of intrusive_ptr<PyObject>.
Any thoughts?
Jim
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