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PyCharm Run --- why does it sometimes display a traceback and error and sometimes not?


PyCharm Run --- why does it sometimes display a traceback and error and sometimes not?

By : Alex
Date : November 19 2020, 03:01 PM
it helps some times I can confirm this behavior on Ubuntu 16.04 PyCharm 2017.2.3
If you want to see stack trace every time, try this code and anyway stop using print for debugging :)
code :
import logging

def callme():
    logging.info('doing some stuff!')

def main():
    for i in range(1,100):
        callme()
    raise Exception('Something is went wrong!')

if __name__ == '__main__':
    logging.basicConfig(level='INFO')
    main()


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traceback.format_exc/print_exc returns None when expecting traceback

traceback.format_exc/print_exc returns None when expecting traceback


By : Shuhaila Mat Solleh
Date : March 29 2020, 07:55 AM
I wish did fix the issue. I can't figure out why traceback.format_exc() is returning "None" in the following example: , Try to change like this in my_excepthook:
code :
print "".join(traceback.format_exception(type, value, tb))
Python traceback, show line where error occurred even if not showing complete traceback

Python traceback, show line where error occurred even if not showing complete traceback


By : B Bensen
Date : March 29 2020, 07:55 AM
hop of those help? How can I make sure that I print out the actual line that failed without including the whole traceback? The traceback might be too long for me too print it all. , You can do something like this:
code :
import sys
import traceback

def a():
    try:
        return b();
    except:
        _, _, tb = sys.exc_info()
        print traceback.format_list(traceback.extract_tb(tb)[-1:])[-1]
import sys
import traceback

def a():
    try:
        return b();
    except:
        _, _, tb = sys.exc_info()
        filename, lineno, funname, line = traceback.extract_tb(tb)[-1]
        print '{}:{}, in {}\n    {}'.format(filename, lineno, funname, line)
Why does traceback.format_exception require a traceback parameter instead of using ex.__traceback__?

Why does traceback.format_exception require a traceback parameter instead of using ex.__traceback__?


By : user6659039
Date : March 29 2020, 07:55 AM
wish help you to fix your issue The traceback module is from before the current exception hierarchy existed. Note that none of the functions make explicit mention of an exception object; they all refer to type, value and traceback. In modern Python, the value is always an exception object, and the other arguments are redundant, but back in ancient versions of Python, exception types could be strings. In that case, you'd raise the exception like
code :
raise some_module.exception_string, some_arbitrary_object
How can you display full traceback on phoenix

How can you display full traceback on phoenix


By : Marc de Burlet
Date : March 29 2020, 07:55 AM
wish help you to fix your issue Set the :truncate option for Logger in your config/dev.exs:
code :
config :logger, truncate: :infinity
PyCharm 2019.2 not showing Traceback on Exception

PyCharm 2019.2 not showing Traceback on Exception


By : user3138728
Date : March 29 2020, 07:55 AM
hop of those help? It works on PyCharm (Community) 2019.1.4:
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