@click.command(help="Open a Python shell, bootstrapping the connection to MongoDB")
@click.option('--no-startup', is_flag=True)
def shell(no_startup=False):
    """
    Open a Python shell, bootstrapping the connection to MongoDB
    """
    # Set up a dictionary to serve as the environment for the shell, so
    # that tab completion works on objects that are imported at runtime.
    imported_objects = {}

    try:  # Try activating rlcompleter, because it's handy.
        import readline
    except __HOLE__:
        pass
    else:
        # We don't have to wrap the following import in a 'try', because
        # we already know 'readline' was imported successfully.
        import rlcompleter
        readline.set_completer(rlcompleter.Completer(imported_objects).complete)
        readline.parse_and_bind("tab:complete")

    # We want to honor both $PYTHONSTARTUP and .pythonrc.py, so follow system
    # conventions and get $PYTHONSTARTUP first then .pythonrc.py.
    if not no_startup:
        for pythonrc in (os.environ.get("PYTHONSTARTUP"), '~/.pythonrc.py'):
            if not pythonrc:
                continue
            pythonrc = os.path.expanduser(pythonrc)
            if not os.path.isfile(pythonrc):
                continue
            try:
                with open(pythonrc) as handle:
                    exec(compile(handle.read(), pythonrc, 'exec'), imported_objects)
            except NameError:
                pass

    code.interact(local=imported_objects)
dataset/ETHPy150Open openelections/openelections-core/openelex/tasks/shell.py/shell