Qiskit / qiskit / 18887288976

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Build Type

push

github

Committed by web-flow

Commit Message

Update to PyO3 0.27 (#15213)

* Update PyO3 dependencies

* Switch uses of `Bound::downcast*` to corresponding `cast*`

The new `cast` variants are available on both `Bound` and `Borrowed`,
and have slightly different semantics around the returned errors.

* Switch to new `FromPyObject` signature

The new form of the trait uses `Borrowed`, causing it to need another
lifetime parameter, and an explicit `Error` type.  Where appropriate /
easy, I switched the error types away from the complete `PyErr`, even if
most of our handling of those errors does eventually convert them into
`PyErr` for now.

In places where extraction delegates to other methods, particularly
where those methods are logical mirrors to `FromPyObject`, this commit
also updates the signatures to use `Borrowed` instead of `&Bound`.

In a couple of places, the extraction being in terms of `Borrowed` meant
that trait implementations that are only accessible on `Bound` (for
example `impl IntoIterator for &Bound<PyDict>`) needed some
dereferencing inserted to re-satisfy the bounds.

* Switch to undeprecated `import_exception`

* Revert failure message change

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