def start(self, callback):

        def cb_wrapper(prepare_h):
            callback(self)

        self._ffi_cb = ffi.callback('void (*)(uv_prepare_t *)', cb_wrapper)
        libuv.uv_prepare_start(self.handle, self._ffi_cb)
Get all users who will be subscribed to the OSF General mailing list.
dataset/ETHPy150Open veegee/guv/pyuv_cffi/__init__.py/Prepare.start--crossover with--dataset/ETHPy150Open CenterForOpenScience/osf.io/scripts/sync_email.py/get_users