test_import.py 文件源码

def test_foreign_code(self):
        py_compile.compile(self.file_name)
        with open(self.compiled_name, "rb") as f:
            header = f.read(12)
            code = marshal.load(f)
        constants = list(code.co_consts)
        foreign_code = test_main.__code__
        pos = constants.index(1)
        constants[pos] = foreign_code
        code = type(code)(code.co_argcount, code.co_kwonlyargcount,
                          code.co_nlocals, code.co_stacksize,
                          code.co_flags, code.co_code, tuple(constants),
                          code.co_names, code.co_varnames, code.co_filename,
                          code.co_name, code.co_firstlineno, code.co_lnotab,
                          code.co_freevars, code.co_cellvars)
        with open(self.compiled_name, "wb") as f:
            f.write(header)
            marshal.dump(code, f)
        mod = self.import_module()
        self.assertEqual(mod.constant.co_filename, foreign_code.co_filename)