Method spawn_repl

Lib/test/test_inspect/test_inspect.py:6579–6607

Run the Python REPL with the given arguments. kw is extra keyword args to pass to subprocess.Popen. Returns a Popen object.

(self, *args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, **kw)

class TestRepl(unittest.TestCase):

    def spawn_repl(self, *args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, **kw):
        """Run the Python REPL with the given arguments.

        kw is extra keyword args to pass to subprocess.Popen. Returns a Popen
        object.
        """

        # TODO(picnixz): refactor this as it's used by test_repl.py

        # To run the REPL without using a terminal, spawn python with the command
        # line option '-i' and the process name set to '<stdin>'.
        # The directory of argv[0] must match the directory of the Python
        # executable for the Popen() call to python to succeed as the directory
        # path may be used by PyConfig_Get("module_search_paths") to build the
        # default module search path.
        stdin_fname = os.path.join(os.path.dirname(sys.executable), "<stdin>")
        cmd_line = [stdin_fname, '-E', '-i']
        cmd_line.extend(args)

        # Set TERM=vt100, for the rationale see the comments in spawn_python() of
        # test.support.script_helper.
        env = kw.setdefault('env', dict(os.environ))
        env['TERM'] = 'vt100'
        return subprocess.Popen(cmd_line,
                                executable=sys.executable,
                                text=True,
                                stdin=subprocess.PIPE,
                                stdout=stdout, stderr=stderr,
                                **kw)

    def run_on_interactive_mode(self, source):
        """Spawn a new Python interpreter, pass the given