Method import_in_subinterp

Lib/test/test_import/__init__.py:2813–2847

(self, interpid=None, *,
                            postscript=None,
                            postcleanup=False,
                            )

        return interpid

    def import_in_subinterp(self, interpid=None, *,
                            postscript=None,
                            postcleanup=False,
                            ):
        name = self.NAME

        if postcleanup:
            import_ = 'import _testinternalcapi' if interpid is None else ''
            postcleanup = f'''
                {import_}
                mod._clear_globals()
                _testinternalcapi.clear_extension(name, {self.ORIGIN!r})
                '''

        try:
            pipe = self._pipe
        except AttributeError:
            r, w = pipe = self._pipe = os.pipe()
            self.addCleanup(os.close, r)
            self.addCleanup(os.close, w)

        snapshot = TestSinglePhaseSnapshot.from_subinterp(
            name,
            interpid,
            pipe=pipe,
            import_first=True,
            postscript=postscript,
            postcleanup=postcleanup,
        )

        return types.SimpleNamespace(
            name=name,
            module=None,
            snapshot=snapshot,
        )

    # checks