Class InteractiveConsole

Lib/code.py:177–340

Closely emulate the behavior of the interactive Python interpreter. This class builds on InteractiveInterpreter and adds prompting using the familiar sys.ps1 and sys.ps2, and input buffering.

class InteractiveConsole(InteractiveInterpreter):
    """Closely emulate the behavior of the interactive Python interpreter.

    This class builds on InteractiveInterpreter and adds prompting
    using the familiar sys.ps1 and sys.ps2, and input buffering.

    """

    def __init__(self, locals=None, filename="<console>", *, local_exit=False):
        """Constructor.

        The optional locals argument will be passed to the
        InteractiveInterpreter base class.

        The optional filename argument should specify the (file)name
        of the input stream; it will show up in tracebacks.

        """
        InteractiveInterpreter.__init__(self, locals)
        self.filename = filename
        self.local_exit = local_exit
        self.resetbuffer()

    def resetbuffer(self):
        """Reset the input buffer."""
        self.buffer = []

    def interact(self, banner=None, exitmsg=None):
        """Closely emulate the interactive Python console.

        The optional banner argument specifies the banner to print
        before the first interaction; by default it prints a banner
        similar to the one printed by the real Python interpreter,
        followed by the current class name in parentheses (so as not
        to confuse this with the real interpreter -- since it&#x27;s so
        close!).

        The optional exitmsg argument specifies the exit message
        printed when exiting. Pass the empty string to suppress
        printing an exit message. If exitmsg is not given or None,
        a default message is printed.

        """
        try:
            sys.ps1
            delete_ps1_after = False
        except AttributeError:
            sys.ps1 = ">>> "
            delete_ps1_after = True
        try:
            sys.ps2
            delete_ps2_after = False
        except AttributeError:
            sys.ps2 = "... "
            delete_ps2_after = True

        cprt = 'Type "help", "copyright", "credits" or "license" for more information.'
        if banner is None: