Is there a way to decode numerical COM error-codes in pywin32

Question

Here is part of a stack-trace from a recent run of an unreliable application written in Python which controls another application written in Excel:

pywintype         


        

Answer 1

Do it like this:

try:
    [whatever code]
except pythoncom.com_error as error:
    print(win32api.FormatMessage(error.excepinfo[5]))

More information on digesting the pythoncom.com_error object here: http://docs.activestate.com/activepython/3.2/pywin32/com_error.html