Alternative solution to use Numpy 2.0 for Python 3.9+ packages.

Author: asmorkalov

.github/workflows/build_wheels_linux.yml

@@ -27,7 +27,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7']
+        python-version: ['3.9']
         platform: [x64]
         with_contrib: [0, 1]
         without_gui: [0, 1]
@@ -93,7 +93,7 @@ jobs:
       ACTIONS_ALLOW_UNSECURE_COMMANDS: true
       MB_PYTHON_VERSION: ${{ matrix.python-version }}
       NP_TEST_DEP: numpy==1.19.4
-      NP_TEST_DEP_LATEST: numpy==1.26.0
+      NP_TEST_DEP_LATEST: numpy==2.0.0
       CONFIG_PATH: travis_config.sh
       PLAT: x86_64
     steps:

.github/workflows/build_wheels_linux_arm.yml

@@ -27,7 +27,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7']
+        python-version: ['3.9']
         platform: [x64]
         with_contrib: [0, 1]
         without_gui: [0, 1]
@@ -94,7 +94,7 @@ jobs:
       MB_PYTHON_VERSION: ${{ matrix.python-version }}
       PLAT: aarch64
       NP_TEST_DEP: numpy==1.19.4
-      NP_TEST_DEP_LATEST: numpy==1.26.0
+      NP_TEST_DEP_LATEST: numpy==2.0.0
       CONFIG_PATH: travis_config.sh
       DOCKER_TEST_IMAGE: multibuild/focal_arm64v8
       UNICODE_WIDTH: 32

.github/workflows/build_wheels_macos.yml

@@ -27,7 +27,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7']
+        python-version: ['3.9']
         platform: [x64]
         with_contrib: [0, 1]
         without_gui: [0, 1]
@@ -114,7 +114,7 @@ jobs:
       ACTIONS_ALLOW_UNSECURE_COMMANDS: true
       MB_PYTHON_VERSION: ${{ matrix.python-version }}
       NP_TEST_DEP: numpy==1.19.4
-      NP_TEST_DEP_LATEST: numpy==1.26.0
+      NP_TEST_DEP_LATEST: numpy==2.0.0
       CONFIG_PATH: travis_config.sh
       PLAT: x86_64
       OPENCV_TEST_DATA_PATH: ${{ github.workspace }}/opencv_extra/testdata

.github/workflows/build_wheels_macos_m1.yml

@@ -24,7 +24,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7']
+        python-version: ['3.9']
         platform: [x64]
         with_contrib: [0, 1]
         without_gui: [0, 1]

.github/workflows/build_wheels_windows.yml

@@ -23,7 +23,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7']
+        python-version: ['3.9']
         platform: [x86, x64]
         with_contrib: [0, 1]
         without_gui: [0, 1]

pyproject.toml

@@ -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'",
-  "numpy==1.21.0; python_version<='3.9' and sys_platform == 'darwin' and platform_machine == 'arm64'",
-  "numpy==1.19.3; python_version=='3.9' and platform_machine != 'aarch64' and platform_machine != 'arm64'",
-  "numpy==1.21.2; python_version=='3.10' and platform_system!='Darwin'",
-  "numpy==1.21.4; python_version=='3.10' and platform_system=='Darwin'",
-  "numpy==1.23.5; python_version=='3.11'",
-  "numpy>=1.26.4; python_version>='3.12'",
+  "numpy==1.19.3; python_version<'3.9' and sys_platform == 'linux' and platform_machine == 'aarch64'",
+  "numpy==1.21.0; python_version<'3.9' and sys_platform == 'darwin' and platform_machine == 'arm64'",
+  "numpy>=2.0.0;  python_version>='3.9'",
   "pip",
   "scikit-build>=0.14.0",
   "setuptools==59.2.0",