Function py_module_initializer_impl

src/lib.rs:320–347

(
    name: *const libc::c_char,
    init: fn(Python, &PyModule) -> PyResult<()>,
)

#[doc(hidden)]
#[cfg(feature = "python27-sys")]
pub unsafe fn py_module_initializer_impl(
    name: *const libc::c_char,
    init: fn(Python, &PyModule) -> PyResult<()>,
) {
    let guard = function::AbortOnDrop("py_module_initializer");
    let py = Python::assume_gil_acquired();
    ffi::PyEval_InitThreads();
    let module = ffi::Py_InitModule(name, ptr::null_mut());
    if module.is_null() {
        mem::forget(guard);
        return;
    }

    let module = match PyObject::from_borrowed_ptr(py, module).cast_into::<PyModule>(py) {
        Ok(m) => m,
        Err(e) => {
            PyErr::from(e).restore(py);
            mem::forget(guard);
            return;
        }
    };
    let ret = match init(py, &module) {
        Ok(()) => (),
        Err(e) => e.restore(py),
    };
    mem::forget(guard);
    ret
}

#[macro_export]
#[cfg(feature = "python3-sys")]