Class Traceback

Lib/inspect.py:1569–1579

_Traceback = namedtuple('_Traceback', 'filename lineno function code_context index')

class Traceback(_Traceback):
    def __new__(cls, filename, lineno, function, code_context, index, *, positions=None):
        instance = super().__new__(cls, filename, lineno, function, code_context, index)
        instance.positions = positions
        return instance

    def __repr__(self):
        return ('Traceback(filename={!r}, lineno={!r}, function={!r}, '
               'code_context={!r}, index={!r}, positions={!r})'.format(
                self.filename, self.lineno, self.function, self.code_context,
                self.index, self.positions))

def _get_code_position_from_tb(tb):
    code, instruction_index = tb.tb_frame.f_code, tb.tb_lasti