How to use the coconut.exceptions.CoconutException function in coconut

def parse(self, inputstring, parser, preargs, postargs):
        """Use the parser to parse the inputstring with appropriate setup and teardown."""
        self.reset()
        pre_procd = None
        with logger.gather_parsing_stats():
            try:
                pre_procd = self.pre(inputstring, **preargs)
                parsed = parse(parser, pre_procd)
                out = self.post(parsed, **postargs)
            except ParseBaseException as err:
                raise self.make_parse_err(err)
            except CoconutDeferredSyntaxError as err:
                internal_assert(pre_procd is not None, "invalid deferred syntax error in pre-processing", err)
                raise self.make_syntax_err(err, pre_procd)
            except RuntimeError as err:
                raise CoconutException(
                    str(err), extra="try again with --recursion-limit greater than the current "
                    + str(sys.getrecursionlimit()),
                )
        if self.strict:
            for name in self.unused_imports:
                if name != "*":
                    logger.warn("found unused import", name, extra="disable --strict to dismiss")
        return out

def handling_exceptions(self):
        """Perform proper exception handling."""
        try:
            if self.using_jobs:
                with handling_broken_process_pool():
                    yield
            else:
                yield
        except SystemExit as err:
            self.register_error(err.code)
        except BaseException as err:
            if isinstance(err, CoconutException):
                logger.display_exc()
            elif not isinstance(err, KeyboardInterrupt):
                traceback.print_exc()
                printerr(report_this_text)
            self.register_error(errmsg=err.__class__.__name__)

if args.mypy is not None:
            self.set_mypy_args(args.mypy)

        if args.argv is not None:
            sys.argv = [args.source if args.source is not None else ""]
            sys.argv.extend(args.argv)

        if args.source is not None:
            if args.interact and args.run:
                logger.warn("extraneous --run argument passed; --interact implies --run")
            if args.package and self.mypy:
                logger.warn("extraneous --package argument passed; --mypy implies --package")

            if args.standalone and args.package:
                raise CoconutException("cannot compile as both --package and --standalone")
            if args.standalone and self.mypy:
                raise CoconutException("cannot compile as both --package (implied by --mypy) and --standalone")
            if args.no_write and self.mypy:
                raise CoconutException("cannot compile with --no-write when using --mypy")
            if (args.run or args.interact) and os.path.isdir(args.source):
                if args.run:
                    raise CoconutException("source path must point to file not directory when --run is enabled")
                if args.interact:
                    raise CoconutException("source path must point to file not directory when --run (implied by --interact) is enabled")
            if args.watch and os.path.isfile(args.source):
                raise CoconutException("source path must point to directory not file when --watch is enabled")

            if args.dest is None:
                if args.no_write:
                    dest = False  # no dest
                else:

def parse(code="", mode="sys"):
    """Compile Coconut code."""
    if CLI.comp is None:
        setup()
    if mode in PARSERS:
        return PARSERS[mode](CLI.comp)(code)
    else:
        raise CoconutException(
            "invalid parse mode " + ascii(mode),
            extra="valid modes are " + ", ".join(PARSERS),
        )

class CoconutSyntaxWarning(CoconutSyntaxError, CoconutWarning):
    """CoconutWarning with CoconutSyntaxError semantics."""


class CoconutInternalException(CoconutException):
    """Internal Coconut exception."""

    def message(self, message, item, extra):
        """Creates the Coconut internal exception message."""
        return (
            super(CoconutInternalException, self).message(message, item, extra)
            + " " + report_this_text
        )


class CoconutDeferredSyntaxError(CoconutException):
    """Deferred Coconut SyntaxError."""

    def __init__(self, message, loc):
        """Creates the Coconut exception."""
        self.args = (message, loc)

    def message(self, message, loc):
        """Uses arguments to create the message."""
        return message

def setup(self, target=None, strict=False, minify=False, line_numbers=False, keep_lines=False, no_tco=False):
        """Initializes parsing parameters."""
        if target is None:
            target = ""
        else:
            target = str(target).replace(".", "")
        if target in pseudo_targets:
            target = pseudo_targets[target]
        if target not in targets:
            raise CoconutException(
                "unsupported target Python version " + ascii(target),
                extra="supported targets are " + ', '.join(ascii(t) for t in specific_targets) + ", or leave blank for universal",
            )
        logger.log_vars("Compiler args:", locals())
        self.target = target
        self.strict = strict
        self.minify = minify
        self.line_numbers = line_numbers
        self.keep_lines = keep_lines
        self.no_tco = no_tco

if args.interact and args.run:
                logger.warn("extraneous --run argument passed; --interact implies --run")
            if args.package and self.mypy:
                logger.warn("extraneous --package argument passed; --mypy implies --package")

            if args.standalone and args.package:
                raise CoconutException("cannot compile as both --package and --standalone")
            if args.standalone and self.mypy:
                raise CoconutException("cannot compile as both --package (implied by --mypy) and --standalone")
            if args.no_write and self.mypy:
                raise CoconutException("cannot compile with --no-write when using --mypy")
            if (args.run or args.interact) and os.path.isdir(args.source):
                if args.run:
                    raise CoconutException("source path must point to file not directory when --run is enabled")
                if args.interact:
                    raise CoconutException("source path must point to file not directory when --run (implied by --interact) is enabled")
            if args.watch and os.path.isfile(args.source):
                raise CoconutException("source path must point to directory not file when --watch is enabled")

            if args.dest is None:
                if args.no_write:
                    dest = False  # no dest
                else:
                    dest = True  # auto-generate dest
            elif args.no_write:
                raise CoconutException("destination path cannot be given when --no-write is enabled")
            else:
                dest = args.dest

            source = fixpath(args.source)

            if args.package or self.mypy:

def compile_path(self, path, write=True, package=True, *args, **kwargs):
        """Compile a path and returns paths to compiled files."""
        if not isinstance(write, bool):
            write = fixpath(write)
        if os.path.isfile(path):
            destpath = self.compile_file(path, write, package, *args, **kwargs)
            return [destpath] if destpath is not None else []
        elif os.path.isdir(path):
            return self.compile_folder(path, write, package, *args, **kwargs)
        else:
            raise CoconutException("could not find source path", path)