support `text_signature` on `#[new]` #2980

davidhewitt · 2023-02-22T21:04:51Z

This is a breaking change for 0.19.0, because it starts autogenerating text_signature for #[new]. This could affect runtime behaviour if the user is relying on the class docs at runtime for some reason.

Guide & tests all updated accordingly.

#[pyclass(text_signature = "...")] is deprecated by this PR, however if it's set, it will be used in preference to #[new].

(The signature / text_signature from #[new] will simply be ignored in this case. I figure that when users fix their deprecation warnings by removing #[pyclass(text_signature = "...")] then the #[new] signatures will start flowing properly, and this is good enough.)

pyo3-macros-backend/src/pyclass.rs

guide/src/class.md

davidhewitt · 2023-04-18T20:06:16Z

@adamreichold I've just rebased this, and I think (assuming CI passes) it might be ready to merge.

src/pyclass/create_type_object.rs

adamreichold

Single nit. Please feel free to merge after resolving this.

davidhewitt · 2023-04-19T21:16:58Z

bors r=adamreichold

2980: support `text_signature` on `#[new]` r=adamreichold a=davidhewitt Closes #2866 This is a breaking change for 0.19.0, because it starts autogenerating `text_signature` for `#[new]`. This could affect runtime behaviour if the user is relying on the class docs at runtime for some reason. Guide & tests all updated accordingly. `#[pyclass(text_signature = "...")]` is deprecated by this PR, however if it's set, it will be used in preference to `#[new]`. (The signature / `text_signature` from `#[new]` will simply be ignored in this case. I figure that when users fix their deprecation warnings by removing `#[pyclass(text_signature = "...")]` then the `#[new]` signatures will start flowing properly, and this is good enough.) Co-authored-by: David Hewitt <1939362+davidhewitt@users.noreply.github.com>

bors · 2023-04-19T21:52:52Z

Build failed:

conclusion

adamreichold · 2023-04-20T04:58:04Z

bors retry

2980: support `text_signature` on `#[new]` r=adamreichold a=davidhewitt Closes #2866 This is a breaking change for 0.19.0, because it starts autogenerating `text_signature` for `#[new]`. This could affect runtime behaviour if the user is relying on the class docs at runtime for some reason. Guide & tests all updated accordingly. `#[pyclass(text_signature = "...")]` is deprecated by this PR, however if it's set, it will be used in preference to `#[new]`. (The signature / `text_signature` from `#[new]` will simply be ignored in this case. I figure that when users fix their deprecation warnings by removing `#[pyclass(text_signature = "...")]` then the `#[new]` signatures will start flowing properly, and this is good enough.) Co-authored-by: David Hewitt <1939362+davidhewitt@users.noreply.github.com>

bors · 2023-04-20T05:29:09Z

Build failed:

conclusion

adamreichold · 2023-04-20T05:40:42Z

The nightly warning on non_upper_case_globals seems unrelated but also trivial to fix by adding an #[allow(..)] to the generated code so I'd say we might as well do it here?

The test failure in test_auto_test_signature_method seems real though. During review, I assumed that this would be the automatically generated Python signature based on the actual Rust signature? Does that not work on Python 3.7? (It would be very helpful to have a py_assert_eq to see the actual value in the logs.)

adamreichold · 2023-04-21T15:51:19Z

The nightly warning on non_upper_case_globals seems unrelated but also trivial to fix by adding an #[allow(..)] to the generated code so I'd say we might as well do it here?

Actually, I cannot reproduce this on main. Maybe this does need a reb~~uild~~ase? Probably useful anyway after #3114 lands.

davidhewitt · 2023-05-04T06:16:00Z

Rebased; let's hope things are working again now. Sorry for the gap!

bors r=adamreichold

2980: support `text_signature` on `#[new]` r=adamreichold a=davidhewitt Closes #2866 This is a breaking change for 0.19.0, because it starts autogenerating `text_signature` for `#[new]`. This could affect runtime behaviour if the user is relying on the class docs at runtime for some reason. Guide & tests all updated accordingly. `#[pyclass(text_signature = "...")]` is deprecated by this PR, however if it's set, it will be used in preference to `#[new]`. (The signature / `text_signature` from `#[new]` will simply be ignored in this case. I figure that when users fix their deprecation warnings by removing `#[pyclass(text_signature = "...")]` then the `#[new]` signatures will start flowing properly, and this is good enough.) Co-authored-by: David Hewitt <1939362+davidhewitt@users.noreply.github.com>

bors · 2023-05-04T07:10:18Z

Build failed:

conclusion

adamreichold · 2023-05-04T07:59:53Z

I think

The test failure in test_auto_test_signature_method seems real though. During review, I assumed that this would be the automatically generated Python signature based on the actual Rust signature? Does that not work on Python 3.7? (It would be very helpful to have a py_assert_eq to see the actual value in the logs.)

still applies.

adamreichold · 2023-05-04T16:13:19Z

Sadly, I cannot reproduce the issue locally even using Python 3.7, neither via pyenv (which is 3.7.16 as in GitHub actions) nor using indygreg's standalone builds which stopped at 3.7.9.

adamreichold · 2023-05-04T16:23:24Z

Sadly, I cannot reproduce the issue locally even using Python 3.7, neither via pyenv (which is 3.7.16 as in GitHub actions) nor using indygreg's standalone builds which stopped at 3.7.9.

Sorry, I am an idiot for trying this on the main branch...

…on 3.10 as we do not support it.

adamreichold · 2023-05-04T16:30:37Z

I think this is due to us not being able to set __text_signature__ on classes using the limited API before version 3.10. I hence took the liberty of pushing a commit ignoring that one assertion as we already do for the class_with_signature_no_doc and class_with_docs_and_signature test cases.

bors r+

2980: support `text_signature` on `#[new]` r=adamreichold a=davidhewitt Closes #2866 This is a breaking change for 0.19.0, because it starts autogenerating `text_signature` for `#[new]`. This could affect runtime behaviour if the user is relying on the class docs at runtime for some reason. Guide & tests all updated accordingly. `#[pyclass(text_signature = "...")]` is deprecated by this PR, however if it's set, it will be used in preference to `#[new]`. (The signature / `text_signature` from `#[new]` will simply be ignored in this case. I figure that when users fix their deprecation warnings by removing `#[pyclass(text_signature = "...")]` then the `#[new]` signatures will start flowing properly, and this is good enough.) Co-authored-by: David Hewitt <1939362+davidhewitt@users.noreply.github.com> Co-authored-by: Adam Reichold <adam.reichold@t-online.de>

bors · 2023-05-04T16:50:27Z

Build failed:

conclusion

adamreichold · 2023-05-04T16:51:38Z

bors retry

bors · 2023-05-04T17:31:32Z

Build succeeded!

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conclusion

davidhewitt · 2023-05-04T17:38:14Z

Thanks 😅

2981: Remove 0.17 deprecations r=adamreichold,davidhewitt a=davidhewitt Since #2980 starts a breaking change for 0.19, let's also clean up all 0.17's deprecations. I've removed `Python::acquire_gil` in its own commit, as that was a reasonably chunky removal. Co-authored-by: Adam Reichold <adam.reichold@t-online.de> Co-authored-by: David Hewitt <1939362+davidhewitt@users.noreply.github.com>

adamreichold reviewed Feb 22, 2023

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adamreichold reviewed Feb 22, 2023

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davidhewitt mentioned this pull request Feb 22, 2023

Remove 0.17 deprecations #2981

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davidhewitt force-pushed the text-signature-new branch 2 times, most recently from 92a88fa to 3c9fbe7 Compare April 18, 2023 20:03

davidhewitt force-pushed the text-signature-new branch from 3c9fbe7 to b0e7dd8 Compare April 19, 2023 06:23

adamreichold reviewed Apr 19, 2023

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adamreichold approved these changes Apr 19, 2023

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davidhewitt force-pushed the text-signature-new branch from b0e7dd8 to 8acb224 Compare April 19, 2023 21:16

support text_signature on #[new]

8bd17f0

davidhewitt force-pushed the text-signature-new branch from 8acb224 to 8bd17f0 Compare May 4, 2023 06:15

Do not assert class text signature using the limited API before versi…

bd4b550

…on 3.10 as we do not support it.

bors bot merged commit 1cdac4f into PyO3:main May 4, 2023

davidhewitt deleted the text-signature-new branch May 4, 2023 17:38

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support `text_signature` on `#[new]` #2980

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support `text_signature` on `#[new]` #2980

support `text_signature` on `#[new]` #2980

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