[Tutor] How to return a list in an exception object?

[David Aldrich]

Hi

I have a function that compares a set of files with a reference set of files.  
All files are compared and then, if any differences were found, an exception is 
raised:

class Error(Exception): pass

def check_results(file_list):

    <snip>

    if isDifferent:
        raise Error('One or more result files differ from the reference result 
files')

I would like to pass back to the caller a list of the files that failed. How 
would I include that list in the exception object?

Best regards

David

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