gh-102828: emit deprecation warning for onerror arg to shutil.rmtree #102850
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giampaolo
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Mar 20, 2023
Lib/shutil.py
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| """ | ||
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| if onerror is not None: | ||
| warnings.warn("onerror is deprecated, use onexc instead", |
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I would rephrase this as "onerror argument is deprecated, use onexc instead" (emphasys on the fact that onerror is an argument)
iritkatriel
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Mar 20, 2023
Fidget-Spinner
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Mar 27, 2023
davidism
reviewed
Apr 10, 2023
| """ | ||
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| if onerror is not None: | ||
| warnings.warn("onerror argument is deprecated, use onexc instead", |
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The warn call needs stacklevel=2 parameter so that the warning message shows what is making the deprecated call. Werkzeug's tests started failing on the latest 3.12 alpha because of this, and it's really hard to tell what's causing it (I think it's pytest) because the warning just points at this line right now instead of the caller.
iritkatriel
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warsaw
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Apr 11, 2023
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I've asked on discord and was told that we normally emit the deprecation warning as soon as something is deprecated.