Method __init__

IPython/core/ultratb.py:1090–1125

(
        self,
        mode="Plain",
        # TODO: no default
        theme_name="linux",
        call_pdb=False,
        ostream=None,
        tb_offset=0,
        long_header=False,
        include_vars=False,
        check_cache=None,
        debugger_cls=None,
    )

    mode: str

    def __init__(
        self,
        mode="Plain",
        # TODO: no default
        theme_name="linux",
        call_pdb=False,
        ostream=None,
        tb_offset=0,
        long_header=False,
        include_vars=False,
        check_cache=None,
        debugger_cls=None,
    ):
        # NEVER change the order of this list. Put new modes at the end:
        self.valid_modes = ["Plain", "Context", "Verbose", "Minimal", "Docs", "Doctest"]
        self.verbose_modes = self.valid_modes[1:3]

        VerboseTB.__init__(
            self,
            theme_name=theme_name,
            call_pdb=call_pdb,
            ostream=ostream,
            tb_offset=tb_offset,
            long_header=long_header,
            include_vars=include_vars,
            check_cache=check_cache,
            debugger_cls=debugger_cls,
        )

        # Different types of tracebacks are joined with different separators to
        # form a single string.  They are taken from this dict
        self._join_chars = dict(
            Plain="", Context="\n", Verbose="\n", Minimal="", Docs="", Doctest=""
        )
        # set_mode also sets the tb_join_char attribute
        self.set_mode(mode)

    def structured_traceback(
        self,