Method create_args

Lib/test/test_os/test_os.py:3282–3310

(self, *, with_env=False, use_bytes=False)

        return [f'"{arg}"' if " " in arg.strip() else arg for arg in args]

    def create_args(self, *, with_env=False, use_bytes=False):
        self.exitcode = 17

        filename = os_helper.TESTFN
        self.addCleanup(os_helper.unlink, filename)

        if not with_env:
            code = 'import sys; sys.exit(%s)' % self.exitcode
        else:
            self.env = dict(os.environ)
            # create an unique key
            self.key = str(uuid.uuid4())
            self.env[self.key] = self.key
            # read the variable from os.environ to check that it exists
            code = ('import sys, os; magic = os.environ[%r]; sys.exit(%s)'
                    % (self.key, self.exitcode))

        with open(filename, "w", encoding="utf-8") as fp:
            fp.write(code)

        program = sys.executable
        args = self.quote_args([program, filename])
        if use_bytes:
            program = os.fsencode(program)
            args = [os.fsencode(a) for a in args]
            self.env = {os.fsencode(k): os.fsencode(v)
                        for k, v in self.env.items()}

        return program, args

    @warnings_helper.ignore_fork_in_thread_deprecation_warnings()
    @requires_os_func('spawnl')