On May 9, 2013, at 12:34 , Alex Leach <beamesle...@gmail.com> wrote:
> On Thu, 09 May 2013 07:55:07 +0100, Wichert Akkerman <wich...@wiggy.net> > wrote: > > > On May 8, 2013, at 23:31 , "Alex Leach" <beamesle...@gmail.com> wrote: > >> That error means the type_id of uuid is not in the bp registry. >> >> I think you can fix this by deriving uuid_to_python from >> to_python_converter, as demonstrated in the pytype_function example[1]. This >> will add the get_pytype function call, and on initialisation, should >> hopefully add what's missing: a call to `registry::lookup`[2]. > > I'm afraid that doesn't work. To test this I changes my converter struct to > derive from bp::converter::wrap_pyttype<&PyStringType> and pass > has_get_type=true to the to_python_converter call, but I still get the exact > same error. > > Fair enough. I see your conversion function doesn't use bp::object, but a raw > PyObject instead. Using a bp::object might do the registration for you.. > Probably not. Alternatively, you could try adding this to your registration > code:- > > > converter::registration& uuid_converter > = const_cast<converter::registration&>( > converter::registry::lookup(type_id<boost::uuids::uuid>()) ); > > uuid_converter.m_class_object = > # if PY_VERSION_HEX >= 0x03000000 > &PyUnicode_Type; > #else > &PyString_Type; > #endif > > > That will get you past the current error, at least, but there's probably an > easier solution… That seems to do something! But still not quite there: >>> a.uuid Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: cannot create weak reference to 'str' object >>> u=a.uuid zsh: segmentation fault
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