Brett Cannon <br...@python.org> added the comment:
Dumping my personal notes here as backup and in case anyone else wants to know
how this is going.
1. `__package__`
- [x] Make sure all uses of the attribute fall back on `__spec__` (done
way back when)
- [x] Add an `ImportWarning` when the attribute is used but it differs
from `__spec__` (3.6)
- [x] Update code to prefer the spec over the attribute, raising
`ImportWarning` when having to fall back to the attribute (3.10)
- [ ] Change `ImportWarning` to `DeprecationWarning` when falling back to
the attribute
- [ ] Remove code in `importlib` that used the old attribute
2. `__loader__`
- [x] Make sure all Python code uses of the attribute fall back on
`__spec__` (3.10)
- [ ] Update C code to fall back to using `__spec__`
([issue](https://bugs.python.org/issue42132))
- [ ] Add an `ImportWarning` when the attribute is used but it differs
from `__spec__`
- [ ] Update code to prefer the spec over the attribute, raising
`ImportWarning` when having to fall back to the attribute
- [ ] Change `ImportWarning` to `DeprecationWarning` when falling back to
the attribute
- [ ] Remove code in `importlib` that used the old attribute
3. `__cached__`
- [ ] Make sure all uses of the attribute fall back on `__spec__`
- [ ] Add an `ImportWarning` when the attribute is used but it differs
from `__spec__`
- [ ] Update code to prefer the spec over the attribute, raising
`ImportWarning` when having to fall back to the attribute
- [ ] Change `ImportWarning` to `DeprecationWarning` when falling back to
the attribute
- [ ] Remove code in `importlib` that used the old attribute
----------
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue21762>
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