Further improvements to functools.partial handling #17425
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- Fixes another crash case / type inference in that case - Fix a false positive when calling the partially applied function - TypeTraverse / comment / daemon test follow up ilevkivskyi mentioned on the original PR
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ilevkivskyi
approved these changes
Jun 23, 2024
| seen_args.add(a) | ||
| actual_args.append(a) | ||
| actual_arg_kinds.append(ctx.arg_kinds[i][j]) | ||
| actual_arg_names.append(ctx.arg_names[i][j]) |
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Looking at this it seems to me a better strategy for the call site may be using get_attribute_hook() for __call__? Unfortunately this hook is not called in is_subtype() etc yet. But at least it will be possible to precisely type-check something like this in future
def foo(fn: Callable[[int, str], int]) -> None: ...
fn = partial(some_other_fn, 1, 2)
foo(fn)
|
According to mypy_primer, this change doesn't affect type check results on a corpus of open source code. ✅ |
hauntsaninja
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Jul 1, 2024
- Fixes another crash case / type inference in that case - Fix a false positive when calling the partially applied function with kwargs - TypeTraverse / comment / daemon test follow up ilevkivskyi mentioned on the original PR See also #17423
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See also #17423