On Fri, 27 May 2016 at 07:50 Vitaly Murashev <vitaly.murashev at gmail.com>
wrote:
> Could anyone please clarify whether it is correct in python3.5 to call
> PyImport_AppendInittab() after Py_Initialize()
>
It should be called before as PyImport_AppendInittab() is shorthand for
PyImport_ExtendInittab() and it says to call prior to Py_Initialize():
https://github.com/python/cpython/blob/f680b517e2701e9a3859afb62628a46eccdce17c/Python/import.c#L2153
.
-Brett
>
> I found this case among the tests for boost.python
> https://github.com/boostorg/python/blob/develop/test/exec.cpp
>
> And this test doesn't work for me with python3.5.An error looks like:
>
> exec.cpp(137): Python Error detected in function 'void __cdecl
> check_pyerr(bool)'
> Traceback (most recent call last):
> File "<string>", line 1, in <module>
> ImportError: 'embedded_hello' is not a built-in module
> 1 error detected.
>
> After debugging I found out that root cause is in
> importlib/_bootstrap.py which do the following:
>
> if fullname not in sys.builtin_module_names:
> raise ImportError('{!r} is not a built-in
> module'.format(fullname), name=fullname)
>
> but sys.builtin_module_names is the constant which initialized once in
> Py_Initialize()
>
> ---
> To summarize:
> Is it a bug in python3.5 or original test inside boost.python should be
> fixed ?
>
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