Python traceback.clear_frames方法代码示例

# 需要导入模块: import traceback [as 别名]
# 或者: from traceback import clear_frames [as 别名]
def clear_exception_frames(er):

    def _clear_exception_frames(er, visited):
        if er in visited:
            return er
        visited.add(er)

        traceback.clear_frames(er.__traceback__)

        if er.__cause__ is not None:
            er.__cause__ = _clear_exception_frames(er.__cause__, visited)
        if er.__context__ is not None:
            er.__context__ = _clear_exception_frames(er.__context__, visited)

        return er

    visited = set()
    _clear_exception_frames(er, visited) 

# 需要导入模块: import traceback [as 别名]
# 或者: from traceback import clear_frames [as 别名]
def cleanup_traceback(self):
        """Remove local variables reference from tracebacks to allow garbage
        collector to clean all Qubes*() objects, otherwise file descriptors
        held by them will leak"""
        exc_infos = [e for test_case, e in self._outcome.errors
                     if test_case is self]
        if self._outcome.expectedFailure:
            exc_infos.append(self._outcome.expectedFailure)
        for exc_info in exc_infos:
            if exc_info is None:
                continue
            ex = exc_info[1]
            while ex is not None:
                if isinstance(ex, qubes.exc.QubesVMError):
                    ex.vm = None
                traceback.clear_frames(ex.__traceback__)
                ex = ex.__context__ 

# 需要导入模块: import traceback [as 别名]
# 或者: from traceback import clear_frames [as 别名]
def test_clear(self):
        def outer():
            middle()
        def middle():
            inner()
        def inner():
            i = 1
            1/0

        try:
            outer()
        except:
            type_, value, tb = sys.exc_info()

        # Initial assertion: there's one local in the inner frame.
        inner_frame = tb.tb_next.tb_next.tb_next.tb_frame
        self.assertEqual(len(inner_frame.f_locals), 1)

        # Clear traceback frames
        traceback.clear_frames(tb)

        # Local variable dict should now be empty.
        self.assertEqual(len(inner_frame.f_locals), 0) 

# 需要导入模块: import traceback [as 别名]
# 或者: from traceback import clear_frames [as 别名]
def __exit__(self, exc_type, exc_value, tb):
        if exc_type is None:
            try:
                exc_name = self.expected.__name__
            except AttributeError:
                exc_name = str(self.expected)
            if self.obj_name:
                self._raiseFailure("{} not raised by {}".format(exc_name,
                                                                self.obj_name))
            else:
                self._raiseFailure("{} not raised".format(exc_name))
        else:
            traceback.clear_frames(tb)
        if not issubclass(exc_type, self.expected):
            # let unexpected exceptions pass through
            return False
        # store exception, without traceback, for later retrieval
        self.exception = exc_value.with_traceback(None)
        if self.expected_regex is None:
            return True

        expected_regex = self.expected_regex
        if not expected_regex.search(str(exc_value)):
            self._raiseFailure('"{}" does not match "{}"'.format(
                     expected_regex.pattern, str(exc_value)))
        return True 

# 需要导入模块: import traceback [as 别名]
# 或者: from traceback import clear_frames [as 别名]
def __exit__(self, exc_type, exc_value, tb):
        if exc_type is None:
            try:
                exc_name = self.expected.__name__
            except AttributeError:
                exc_name = str(self.expected)
            if self.obj_name:
                self._raiseFailure("{} not raised by {}".format(exc_name,
                                                                self.obj_name))
            else:
                self._raiseFailure("{} not raised".format(exc_name))
        else:
            traceback.clear_frames(tb)

        if issubclass(exc_type, self.expected):
            # store exception, without traceback, for later retrieval
            self.exception = exc_value.with_traceback(None)
        elif (hasattr(exc_value, 'clsException') and isinstance(exc_value.clsException, self.expected)):
            # IronPython: allow .NET exceptions
            self.exception = exc_value.clsException
        else:
            # let unexpected exceptions pass through
            return False
        if self.expected_regex is None:
            return True

        expected_regex = self.expected_regex
        if not expected_regex.search(str(exc_value)):
            self._raiseFailure('"{}" does not match "{}"'.format(
                     expected_regex.pattern, str(exc_value)))
        return True 

# 需要导入模块: import traceback [as 别名]
# 或者: from traceback import clear_frames [as 别名]
def run_job(job, jobstore_alias, run_times, logger_name):
    """
    Called by executors to run the job. Returns a list of scheduler events to be dispatched by the
    scheduler.

    """
    events = []
    logger = logging.getLogger(logger_name)
    for run_time in run_times:
        # See if the job missed its run time window, and handle
        # possible misfires accordingly
        if job.misfire_grace_time is not None:
            difference = datetime.now(utc) - run_time
            grace_time = timedelta(seconds=job.misfire_grace_time)
            if difference > grace_time:
                events.append(JobExecutionEvent(EVENT_JOB_MISSED, job.id, jobstore_alias,
                                                run_time))
                logger.warning('Run time of job "%s" was missed by %s', job, difference)
                continue

        logger.info('Running job "%s" (scheduled at %s)', job, run_time)
        try:
            retval = job.func(*job.args, **job.kwargs)
        except BaseException:
            exc, tb = sys.exc_info()[1:]
            formatted_tb = ''.join(format_tb(tb))
            events.append(JobExecutionEvent(EVENT_JOB_ERROR, job.id, jobstore_alias, run_time,
                                            exception=exc, traceback=formatted_tb))
            logger.exception('Job "%s" raised an exception', job)

            # This is to prevent cyclic references that would lead to memory leaks
            if six.PY2:
                sys.exc_clear()
                del tb
            else:
                import traceback
                traceback.clear_frames(tb)
                del tb
        else:
            events.append(JobExecutionEvent(EVENT_JOB_EXECUTED, job.id, jobstore_alias, run_time,
                                            retval=retval))
            logger.info('Job "%s" executed successfully', job)

    return events