您可以记录堆栈跟踪而不出现异常。

https://docs.python.org/3/library/logging.html#logging.Logger.debug

The second optional keyword argument is stack_info, which defaults to False. If true, stack information is added to the logging message, including the actual logging call. Note that this is not the same stack information as that displayed through specifying exc_info: The former is stack frames from the bottom of the stack up to the logging call in the current thread, whereas the latter is information about stack frames which have been unwound, following an exception, while searching for exception handlers.

例子:

>>> import logging
>>> logging.basicConfig(level=logging.DEBUG)
>>> logging.getLogger().info('This prints the stack', stack_info=True)
INFO:root:This prints the stack
Stack (most recent call last):
  File "<stdin>", line 1, in <module>
>>>

使用exc_info选项可能更好，允许你选择错误级别(如果你使用exception，它将总是在错误级别):

try:
    # do something here
except Exception as e:
    logging.critical(e, exc_info=True)  # log exception info at CRITICAL log level

如果你看一下这个代码示例(适用于Python 2和3)，你会看到下面可以提取的函数定义

方法 行号 代码的上下文 文件路径

对于整个堆栈跟踪，无论是否有异常:

def sentry_friendly_trace(get_last_exception=True):
    try:
        current_call = list(map(frame_trans, traceback.extract_stack()))
        alert_frame = current_call[-4]
        before_call = current_call[:-4]

        err_type, err, tb = sys.exc_info() if get_last_exception else (None, None, None)
        after_call = [alert_frame] if err_type is None else extract_all_sentry_frames_from_exception(tb)

        return before_call + after_call, err, alert_frame
    except:
        return None, None, None

当然，这个函数依赖于上面链接的整个要点，特别是extract_all_sentry_frames_from_exception()和frame_trans()，但是异常信息提取总共不到60行。

希望有帮助!

如果你可以处理额外的依赖，那么使用twisted.log，你不必显式地记录错误，而且它还会返回整个回溯和时间到文件或流。

如果“调试信息”意味着异常引发时的值，那么logging.exception(…)将不起作用。因此，您需要一个工具来自动记录所有变量值和回溯行。

在盒子外面你会得到log

2020-03-30 18:24:31 main ERROR   File "./temp.py", line 13, in get_ratio
2020-03-30 18:24:31 main ERROR     return height / width
2020-03-30 18:24:31 main ERROR       height = 300
2020-03-30 18:24:31 main ERROR       width = 0
2020-03-30 18:24:31 main ERROR builtins.ZeroDivisionError: division by zero

看看一些pypi工具，我命名为:

tbvaccine traceback-with-variables better-exceptions

其中一些会给你很严重的崩溃信息:

但你可能会在pypi上找到更多

这个答案是建立在上述优秀答案之上的。

在大多数应用程序中，您不会直接调用logging.exception(e)。很可能你已经为你的应用程序或模块定义了一个自定义记录器，如下所示:

# Set the name of the app or module
my_logger = logging.getLogger('NEM Sequencer')
# Set the log level
my_logger.setLevel(logging.INFO)

# Let's say we want to be fancy and log to a graylog2 log server
graylog_handler = graypy.GELFHandler('some_server_ip', 12201)
graylog_handler.setLevel(logging.INFO)
my_logger.addHandler(graylog_handler)

在这种情况下，只需使用记录器调用异常(e)，如下所示:

try:
    1/0
except ZeroDivisionError, e:
    my_logger.exception(e)