Guido van Rossum <guido@python.org> writes:
AFAIK there is no fool-proof way to peel back a decorator; decorators aren't required to have any specific implementation.
If the use case was important it would reopen the question of always making this value available as a frame attribute. But I'm not sure why the line number indicated by the code object (which *is* accessible) is insufficient.
Which code object, though? If we can't get at the innermost function (which is the code location we're interested in) handling the URL, how will we get its line number? -- \ “I bought some batteries, but they weren't included; so I had | `\ to buy them again.” —Steven Wright | _o__) | Ben Finney