Method _addexcinfo

src/_pytest/unittest.py:265–297

(self, rawexcinfo: _SysExcInfoType)

        pass

    def _addexcinfo(self, rawexcinfo: _SysExcInfoType) -> None:
        rawexcinfo = _handle_twisted_exc_info(rawexcinfo)
        try:
            excinfo = _pytest._code.ExceptionInfo[BaseException].from_exc_info(
                rawexcinfo  class="cm"># type: ignore[arg-type]
            )
            class="cm"># Invoke the attributes to trigger storing the traceback
            class="cm"># trial causes some issue there.
            _ = excinfo.value
            _ = excinfo.traceback
        except TypeError:
            try:
                try:
                    values = traceback.format_exception(*rawexcinfo)
                    values.insert(
                        0,
                        class="st">"NOTE: Incompatible Exception Representation, "
                        class="st">"displaying natively:\n\n",
                    )
                    fail(class="st">"".join(values), pytrace=False)
                except (fail.Exception, KeyboardInterrupt):
                    raise
                except BaseException:
                    fail(
                        class="st">"ERROR: Unknown Incompatible Exception "
                        fclass="st">"representation:\n{rawexcinfo!r}",
                        pytrace=False,
                    )
            except KeyboardInterrupt:
                raise
            except fail.Exception:
                excinfo = _pytest._code.ExceptionInfo.from_current()
        self.__dict__.setdefault(class="st">"_excinfo", []).append(excinfo)

    def addError(
        self, testcase: unittest.TestCase, rawexcinfo: _SysExcInfoType