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Use Numpy 2.0 for Python 3.9+ packages #1002

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merged 1 commit into from
Jun 17, 2024

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asmorkalov
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@asmorkalov asmorkalov commented Jun 17, 2024

Numpy 2.0 is backward compatible with 1.x, but introduce several API and ABI changes. Numpy authors claim, that packages built against Numpy 2.0 should work with 1.x too. The PR introduce additional packages built with Python 3.9 and Numpy 2.0.

Numpy release details: https://github.com/numpy/numpy/releases/tag/v2.0.0

The PR differs from #1001. It builds packages with limited API cp37, but with Python 3.9 and Numpy 2.0. It's expected that the package should work with all supported Pythons 3.7+ and Numpy 1.x and 2.x.

@asmorkalov asmorkalov changed the title WIP: Alternative solution to use Numpy 2.0 for Python 3.9+ packages Use Numpy 2.0 for Python 3.9+ packages Jun 17, 2024
@@ -4,13 +4,9 @@ requires = [
"numpy==1.13.3; python_version=='3.6' and platform_machine != 'aarch64' and platform_machine != 'arm64'",
"numpy==1.17.0; python_version=='3.7' and platform_machine != 'aarch64' and platform_machine != 'arm64'",
"numpy==1.17.5; python_version=='3.8' and platform_machine != 'aarch64' and platform_machine != 'arm64'",
"numpy==1.19.3; python_version<='3.9' and sys_platform == 'linux' and platform_machine == 'aarch64'",

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We need explicit <2 in setup.py for Python 3.8 and earlier in case of possible expanding of numpy2 releases.

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It would clarify the actual state, but the current version works as well since numpy itself has python_requires>=3.9, so numpy 2.0 and later cannot be installed with older Python versions.

The added constraints here look good to me.

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@sergregory sergregory left a comment

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LGTM

@caldempsey
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🙏

@asmorkalov asmorkalov merged commit cce7c99 into opencv:4.x Jun 17, 2024
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5 participants