如何使用堆栈跟踪来告诉我应该为Python使用哪个异常';我们试试看
我想编写一个Try/Except块,用于捕获导致此堆栈跟踪的特定错误:如何使用堆栈跟踪来告诉我应该为Python使用哪个异常';我们试试看,python,python-2.7,error-handling,try-except,Python,Python 2.7,Error Handling,Try Except,我想编写一个Try/Except块,用于捕获导致此堆栈跟踪的特定错误: File "/home/me/anaconda2/envs/deepnn/lib/python2.7/site-packages/tensorflow/python/debug/wrappers/local_cli_wrapper.py", line 292, in _prep_cli_for_run_start self._run_cli = ui_factory.get_ui(self._ui_type)
File "/home/me/anaconda2/envs/deepnn/lib/python2.7/site-packages/tensorflow/python/debug/wrappers/local_cli_wrapper.py", line 292, in _prep_cli_for_run_start
self._run_cli = ui_factory.get_ui(self._ui_type)
File "/home/me/anaconda2/envs/deepnn/lib/python2.7/site-packages/tensorflow/python/debug/cli/ui_factory.py", line 61, in get_ui
return curses_ui.CursesUI(on_ui_exit=on_ui_exit, config=config)
File "/home/me/anaconda2/envs/deepnn/lib/python2.7/site-packages/tensorflow/python/debug/cli/curses_ui.py", line 289, in __init__
self._screen_init()
File "/home/me/anaconda2/envs/deepnn/lib/python2.7/site-packages/tensorflow/python/debug/cli/curses_ui.py", line 404, in _screen_init
self._screen_color_init()
File "/home/me/anaconda2/envs/deepnn/lib/python2.7/site-packages/tensorflow/python/debug/cli/curses_ui.py", line 409, in _screen_color_init
curses.use_default_colors()
_curses.error: use_default_colors() returned ERR
但无法确定如何确定正确的异常是什么
为了获得更多信息,我写了以下内容:
try:
... call to procedure that generates error ...
except Exception,e:
print("type is:", e.__class__.__name__)
import sys
print(sys.exc_info())
我得到的结果是:
type is: error
(<class '_curses.error'>, error('use_default_colors() returned ERR',), <traceback object at 0x7fdec55abdd0>)
> /home/me/Projects/kerasECOC/net_manager.py(164)init_model_architecture()
我收到以下错误消息:
File "/home/me/Projects/kerasECOC/net_manager.py", line 157, in init_model_architecture
except error,e:
NameError: global name 'error' is not defined
那么,我如何确定要标记哪个特定的异常呢?因为回溯表明您应该使用
诅咒。错误:
import curses
try:
...
except curses.error as err:
print(err)
您可以检查curses.error.mro()
中的基类,也可以检查以下基类:
>>> curses.error.mro()
[<class '_curses.error'>, <class 'Exception'>, <class 'BaseException'>, <class 'object'>]
>诅咒.error.mro()
[, , ]
不过,它并不是从某个数据库继承来的。谢谢-我被回溯说“诅咒”而不是“诅咒”这一事实弄糊涂了,但这是有效的。
>>> curses.error.mro()
[<class '_curses.error'>, <class 'Exception'>, <class 'BaseException'>, <class 'object'>]