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Add support for multi-phase module initialization #485

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75ee0e8
Add support for multi-phase module initialization
o01eg Apr 20, 2025
2937444
Fix indent and add more remarks to make it more manageable
o01eg Apr 4, 2026
4f49c83
Add mod_gil_not_used option to BOOST_PYTHON_MODULE_MULTI_PHASE_INIT
o01eg Apr 4, 2026
40105f0
Rename module to mod
o01eg Apr 4, 2026
542974f
Add tests
o01eg Apr 4, 2026
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Rename module to mod
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@o01eg
o01eg committed Apr 4, 2026
commit 40105f07b87ba2a2acead3bfb75ceab0532cf5cf
8 changes: 4 additions & 4 deletions include/boost/python/module_init.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -125,10 +125,10 @@ BOOST_PYTHON_DECL PyObject* init_module(char const* name, void(*)());

# if defined(HAS_CXX11) && (PY_VERSION_HEX >= 0x030D0000)
# define _BOOST_PYTHON_MODULE_MULTI_PHASE_INIT(name, ...) \
int BOOST_PP_CAT(exec_module_,name)(PyObject* module) \
int BOOST_PP_CAT(exec_module_,name)(PyObject* mod) \
{ \
return boost::python::detail::exec_module( \
module, BOOST_PP_CAT(init_module_, name) ); \
mod, BOOST_PP_CAT(init_module_, name) ); \
} \
extern "C" BOOST_SYMBOL_EXPORT PyObject* BOOST_PP_CAT(PyInit_, name)() \
{ \
Expand Down Expand Up @@ -162,10 +162,10 @@ BOOST_PYTHON_DECL PyObject* init_module(char const* name, void(*)());
void BOOST_PP_CAT(init_module_, name)()
# else // ! HAS_CXX11 && Python 3.13+
# define _BOOST_PYTHON_MODULE_MULTI_PHASE_INIT(name) \
int BOOST_PP_CAT(exec_module_,name)(PyObject* module) \
int BOOST_PP_CAT(exec_module_,name)(PyObject* mod) \
{ \
return boost::python::detail::exec_module( \
module, BOOST_PP_CAT(init_module_, name) ); \
mod, BOOST_PP_CAT(init_module_, name) ); \
} \
extern "C" BOOST_SYMBOL_EXPORT PyObject* BOOST_PP_CAT(PyInit_, name)() \
{ \
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4 changes: 2 additions & 2 deletions src/module.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -54,10 +54,10 @@ BOOST_PYTHON_DECL PyObject* init_module(PyModuleDef& moduledef,

# if PY_VERSION_HEX >= 0x03050000

BOOST_PYTHON_DECL int exec_module(PyObject* module, void(*init_function)())
BOOST_PYTHON_DECL int exec_module(PyObject* mod, void(*init_function)())
{
PyObject* retval = init_module_in_scope(
module,
mod,
init_function);
return retval ? 0 : -1;
}
Expand Down