In python3, when I write code like this:
try:
fields = [getattr(Product, field) for field in fields.split(',')]
except AttributeError as e:
raise HTTPError(...)
I want to raise a new type of error giving a string telling the user which
attribute is not valid. But I don't see any method I can use to get the
attribute name except inspecting e.args[0].
Could anyone give me a hint? Maybe I miss something.
By the way, I don't quite want to change my code to a for-loop so I can access
the field variable in exception handling.
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