Function interactive_console

Lib/_pyrepl/main.py:25–58

(mainmodule=None, quiet=False, pythonstartup=False)

def interactive_console(mainmodule=None, quiet=False, pythonstartup=False):
    if not CAN_USE_PYREPL:
        if not os.getenv('PYTHON_BASIC_REPL') and FAIL_REASON:
            from .trace import trace
            trace(FAIL_REASON)
            print(FAIL_REASON, file=sys.stderr)
        return sys._baserepl()

    if not mainmodule:
        mainmodule = types.ModuleType("__main__")

    namespace = mainmodule.__dict__

    # sys._baserepl() above does this internally, we do it here
    startup_path = os.getenv("PYTHONSTARTUP")
    if pythonstartup and startup_path:
        sys.audit("cpython.run_startup", startup_path)

        import tokenize
        with tokenize.open(startup_path) as f:
            startup_code = compile(f.read(), startup_path, "exec")
            exec(startup_code, namespace)

    # set sys.{ps1,ps2} just before invoking the interactive interpreter. This
    # mimics what CPython does in pythonrun.c
    if not hasattr(sys, "ps1"):
        sys.ps1 = ">>> "
    if not hasattr(sys, "ps2"):
        sys.ps2 = "... "

    from .console import InteractiveColoredConsole
    from .simple_interact import run_multiline_interactive_console
    console = InteractiveColoredConsole(namespace, filename="<stdin>")
    run_multiline_interactive_console(console)