22259302242

Committed 21 Feb 2026 03:24PM UTC coverage: 63.887% (+4.7%) from 59.214%

Build # 22259302242

Build Type

Pull #3198

github

Committed by

web-flow

Commit Message

Merge 758a52847 into 1fc026943

Pull Request Pull Request #3198: Bump SDL3 (`3.4.2`) and SDL3_image (`3.4.0`) to the latest stable releases.

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Branch coverage included in aggregate %.

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30.77

/pythonforandroid/recipes/opencv/__init__.py

from multiprocessing import cpu_count
from os.path import join

import sh

from pythonforandroid.logger import shprint
from pythonforandroid.recipe import NDKRecipe
from pythonforandroid.util import current_directory, ensure_dir


class OpenCVRecipe(NDKRecipe):
    '''
    .. versionchanged:: 0.7.1
        rewrote recipe to support the python bindings (cv2.so) and enable the
        build of most of the libraries of the opencv's package, so we can
        process images, videos, objects, photos...
    '''
    version = '4.12.0'
    url = 'https://github.com/opencv/opencv/archive/{version}.zip'
    depends = ['numpy']
    patches = ['patches/p4a_build.patch']
    generated_libraries = [
        'libopencv_features2d.so',
        'libopencv_imgproc.so',
        'libopencv_stitching.so',
        'libopencv_calib3d.so',
        'libopencv_flann.so',
        'libopencv_ml.so',
        'libopencv_videoio.so',
        'libopencv_core.so',
        'libopencv_highgui.so',
        'libopencv_objdetect.so',
        'libopencv_video.so',
        'libopencv_dnn.so',
        'libopencv_imgcodecs.so',
        'libopencv_photo.so',
    ]

    def get_lib_dir(self, arch):
        return join(self.get_build_dir(arch.arch), 'build', 'lib', arch.arch)

    def get_recipe_env(self, arch):
        env = super().get_recipe_env(arch)
        env['ANDROID_NDK'] = self.ctx.ndk_dir
        env['ANDROID_SDK'] = self.ctx.sdk_dir
        return env

    def build_arch(self, arch):
        build_dir = join(self.get_build_dir(arch.arch), 'build')
        ensure_dir(build_dir)

        opencv_extras = []
        if 'opencv_extras' in self.ctx.recipe_build_order:
            opencv_extras_dir = self.get_recipe(
                'opencv_extras', self.ctx).get_build_dir(arch.arch)
            opencv_extras = [
                f'-DOPENCV_EXTRA_MODULES_PATH={opencv_extras_dir}/modules',
                '-DBUILD_opencv_legacy=OFF',
            ]

        with current_directory(build_dir):
            env = self.get_recipe_env(arch)

            python_major = self.ctx.python_recipe.version[0]
            python_include_root = self.ctx.python_recipe.include_root(arch.arch)
            python_site_packages = self.ctx.get_site_packages_dir(arch)
            python_link_root = self.ctx.python_recipe.link_root(arch.arch)
            python_link_version = self.ctx.python_recipe.link_version
            python_library = join(python_link_root,
                                  'libpython{}.so'.format(python_link_version))
            python_include_numpy = join(
                self.ctx.get_python_install_dir(arch.arch), "numpy/_core/include",
            )

            shprint(sh.cmake,
                    '-DP4A=ON',
                    '-DANDROID_ABI={}'.format(arch.arch),
                    '-DANDROID_STANDALONE_TOOLCHAIN={}'.format(self.ctx.ndk_dir),
                    '-DANDROID_NATIVE_API_LEVEL={}'.format(self.ctx.ndk_api),
                    '-DANDROID_EXECUTABLE={}/tools/android'.format(env['ANDROID_SDK']),
                    '-DANDROID_SDK_TOOLS_VERSION=6514223',
                    '-DANDROID_PROJECTS_SUPPORT_GRADLE=ON',

                    '-DCMAKE_TOOLCHAIN_FILE={}'.format(
                        join(self.ctx.ndk_dir, 'build', 'cmake',
                             'android.toolchain.cmake')),
                    # Make the linkage with our python library, otherwise we
                    # will get dlopen error when trying to import cv2's module.
                    '-DCMAKE_SHARED_LINKER_FLAGS=-L{path} -lpython{version}'.format(
                        path=python_link_root,
                        version=python_link_version),

                    '-DBUILD_WITH_STANDALONE_TOOLCHAIN=ON',
                    # Force to build as shared libraries the cv2's dependent
                    # libs or we will not be able to link with our python
                    '-DBUILD_SHARED_LIBS=ON',
                    '-DBUILD_STATIC_LIBS=OFF',

                    # Disable some opencv's features
                    '-DBUILD_opencv_java=OFF',
                    '-DBUILD_opencv_java_bindings_generator=OFF',
                    # '-DBUILD_opencv_highgui=OFF',
                    # '-DBUILD_opencv_imgproc=OFF',
                    # '-DBUILD_opencv_flann=OFF',
                    '-DBUILD_TESTS=OFF',
                    '-DBUILD_PERF_TESTS=OFF',
                    '-DENABLE_TESTING=OFF',
                    '-DBUILD_EXAMPLES=OFF',
                    '-DBUILD_ANDROID_EXAMPLES=OFF',

                    # Force to only build our version of python
                    '-DBUILD_OPENCV_PYTHON{major}=ON'.format(major=python_major),
                    '-DBUILD_OPENCV_PYTHON{major}=OFF'.format(
                        major='2' if python_major == '3' else '3'),

                    # Force to install the `cv2.so` library directly into
                    # python's site packages (otherwise the cv2's loader fails
                    # on finding the cv2.so library)
                    '-DOPENCV_SKIP_PYTHON_LOADER=ON',
                    '-DOPENCV_PYTHON{major}_INSTALL_PATH={site_packages}'.format(
                        major=python_major, site_packages=python_site_packages),

                    # Define python's paths for: exe, lib, includes, numpy...
                    '-DPYTHON_DEFAULT_EXECUTABLE={}'.format(self.ctx.hostpython),
                    '-DPYTHON{major}_EXECUTABLE={host_python}'.format(
                        major=python_major, host_python=self.ctx.hostpython),
                    '-DPYTHON{major}_INCLUDE_PATH={include_path}'.format(
                        major=python_major, include_path=python_include_root),
                    '-DPYTHON{major}_LIBRARIES={python_lib}'.format(
                        major=python_major, python_lib=python_library),
                    '-DPYTHON{major}_NUMPY_INCLUDE_DIRS={numpy_include}'.format(
                        major=python_major, numpy_include=python_include_numpy),
                    '-DPYTHON{major}_PACKAGES_PATH={site_packages}'.format(
                        major=python_major, site_packages=python_site_packages),

                    *opencv_extras,

                    self.get_build_dir(arch.arch),
                    _env=env)

            # patch link.txt for unsupported flag
            link_txt = 'modules/python3/CMakeFiles/opencv_python3.dir/link.txt'
            with open(link_txt, 'r+') as f:
                content = f.read().replace('-version', ' ')
                f.seek(0)
                f.write(content)
                f.truncate()

            shprint(sh.make, '-j' + str(cpu_count()), 'opencv_python' + python_major)
            # Install python bindings (cv2.so)
            shprint(sh.cmake, '-DCOMPONENT=python', '-P', './cmake_install.cmake')
            # Copy third party shared libs that we need in our final apk
            sh.cp('-a', sh.glob('./lib/{}/lib*.so'.format(arch.arch)),
                  self.ctx.get_libs_dir(arch.arch))


recipe = OpenCVRecipe()

1	from multiprocessing import cpu_count	8✔
2	from os.path import join	8✔
3
4	import sh	8✔
5
6	from pythonforandroid.logger import shprint	8✔
7	from pythonforandroid.recipe import NDKRecipe	8✔
8	from pythonforandroid.util import current_directory, ensure_dir	8✔
9
10
11	class OpenCVRecipe(NDKRecipe):	8✔
12	'''
13	.. versionchanged:: 0.7.1
14	rewrote recipe to support the python bindings (cv2.so) and enable the
15	build of most of the libraries of the opencv's package, so we can
16	process images, videos, objects, photos...
17	'''
18	version = '4.12.0'	8✔
19	url = 'https://github.com/opencv/opencv/archive/{version}.zip'	8✔
20	depends = ['numpy']	8✔
21	patches = ['patches/p4a_build.patch']	8✔
22	generated_libraries = [	8✔
23	'libopencv_features2d.so',
24	'libopencv_imgproc.so',
25	'libopencv_stitching.so',
26	'libopencv_calib3d.so',
27	'libopencv_flann.so',
28	'libopencv_ml.so',
29	'libopencv_videoio.so',
30	'libopencv_core.so',
31	'libopencv_highgui.so',
32	'libopencv_objdetect.so',
33	'libopencv_video.so',
34	'libopencv_dnn.so',
35	'libopencv_imgcodecs.so',
36	'libopencv_photo.so',
37	]
38
39	def get_lib_dir(self, arch):	8✔
40	return join(self.get_build_dir(arch.arch), 'build', 'lib', arch.arch)	×
41
42	def get_recipe_env(self, arch):	8✔
43	env = super().get_recipe_env(arch)	×
44	env['ANDROID_NDK'] = self.ctx.ndk_dir	×
45	env['ANDROID_SDK'] = self.ctx.sdk_dir	×
46	return env	×
47
48	def build_arch(self, arch):	8✔
49	build_dir = join(self.get_build_dir(arch.arch), 'build')	×
50	ensure_dir(build_dir)	×
51
52	opencv_extras = []	×
53	if 'opencv_extras' in self.ctx.recipe_build_order:	×
54	opencv_extras_dir = self.get_recipe(	×
55	'opencv_extras', self.ctx).get_build_dir(arch.arch)
56	opencv_extras = [	×
57	f'-DOPENCV_EXTRA_MODULES_PATH={opencv_extras_dir}/modules',
58	'-DBUILD_opencv_legacy=OFF',
59	]
60
61	with current_directory(build_dir):	×
62	env = self.get_recipe_env(arch)	×
63
64	python_major = self.ctx.python_recipe.version[0]	×
65	python_include_root = self.ctx.python_recipe.include_root(arch.arch)	×
66	python_site_packages = self.ctx.get_site_packages_dir(arch)	×
67	python_link_root = self.ctx.python_recipe.link_root(arch.arch)	×
68	python_link_version = self.ctx.python_recipe.link_version	×
69	python_library = join(python_link_root,	×
70	'libpython{}.so'.format(python_link_version))
71	python_include_numpy = join(	×
72	self.ctx.get_python_install_dir(arch.arch), "numpy/_core/include",
73	)
74
UNCOV 75	shprint(sh.cmake,	×
76	'-DP4A=ON',
77	'-DANDROID_ABI={}'.format(arch.arch),
78	'-DANDROID_STANDALONE_TOOLCHAIN={}'.format(self.ctx.ndk_dir),
79	'-DANDROID_NATIVE_API_LEVEL={}'.format(self.ctx.ndk_api),
80	'-DANDROID_EXECUTABLE={}/tools/android'.format(env['ANDROID_SDK']),
81	'-DANDROID_SDK_TOOLS_VERSION=6514223',
82	'-DANDROID_PROJECTS_SUPPORT_GRADLE=ON',
83
84	'-DCMAKE_TOOLCHAIN_FILE={}'.format(
85	join(self.ctx.ndk_dir, 'build', 'cmake',
86	'android.toolchain.cmake')),
87	# Make the linkage with our python library, otherwise we
88	# will get dlopen error when trying to import cv2's module.
89	'-DCMAKE_SHARED_LINKER_FLAGS=-L{path} -lpython{version}'.format(
90	path=python_link_root,
91	version=python_link_version),
92
93	'-DBUILD_WITH_STANDALONE_TOOLCHAIN=ON',
94	# Force to build as shared libraries the cv2's dependent
95	# libs or we will not be able to link with our python
96	'-DBUILD_SHARED_LIBS=ON',
97	'-DBUILD_STATIC_LIBS=OFF',
98
99	# Disable some opencv's features
100	'-DBUILD_opencv_java=OFF',
101	'-DBUILD_opencv_java_bindings_generator=OFF',
102	# '-DBUILD_opencv_highgui=OFF',
103	# '-DBUILD_opencv_imgproc=OFF',
104	# '-DBUILD_opencv_flann=OFF',
105	'-DBUILD_TESTS=OFF',
106	'-DBUILD_PERF_TESTS=OFF',
107	'-DENABLE_TESTING=OFF',
108	'-DBUILD_EXAMPLES=OFF',
109	'-DBUILD_ANDROID_EXAMPLES=OFF',
110
111	# Force to only build our version of python
112	'-DBUILD_OPENCV_PYTHON{major}=ON'.format(major=python_major),
113	'-DBUILD_OPENCV_PYTHON{major}=OFF'.format(
114	major='2' if python_major == '3' else '3'),
115
116	# Force to install the `cv2.so` library directly into
117	# python's site packages (otherwise the cv2's loader fails
118	# on finding the cv2.so library)
119	'-DOPENCV_SKIP_PYTHON_LOADER=ON',
120	'-DOPENCV_PYTHON{major}_INSTALL_PATH={site_packages}'.format(
121	major=python_major, site_packages=python_site_packages),
122
123	# Define python's paths for: exe, lib, includes, numpy...
124	'-DPYTHON_DEFAULT_EXECUTABLE={}'.format(self.ctx.hostpython),
125	'-DPYTHON{major}_EXECUTABLE={host_python}'.format(
126	major=python_major, host_python=self.ctx.hostpython),
127	'-DPYTHON{major}_INCLUDE_PATH={include_path}'.format(
128	major=python_major, include_path=python_include_root),
129	'-DPYTHON{major}_LIBRARIES={python_lib}'.format(
130	major=python_major, python_lib=python_library),
131	'-DPYTHON{major}_NUMPY_INCLUDE_DIRS={numpy_include}'.format(
132	major=python_major, numpy_include=python_include_numpy),
133	'-DPYTHON{major}_PACKAGES_PATH={site_packages}'.format(
134	major=python_major, site_packages=python_site_packages),
135
136	*opencv_extras,
137
138	self.get_build_dir(arch.arch),
139	_env=env)
140
141	# patch link.txt for unsupported flag
UNCOV 142	link_txt = 'modules/python3/CMakeFiles/opencv_python3.dir/link.txt'	×
143	with open(link_txt, 'r+') as f:	×
UNCOV 144	content = f.read().replace('-version', ' ')	×
UNCOV 145	f.seek(0)	×
UNCOV 146	f.write(content)	×
UNCOV 147	f.truncate()	×
148
UNCOV 149	shprint(sh.make, '-j' + str(cpu_count()), 'opencv_python' + python_major)	×
150	# Install python bindings (cv2.so)
UNCOV 151	shprint(sh.cmake, '-DCOMPONENT=python', '-P', './cmake_install.cmake')	×
152	# Copy third party shared libs that we need in our final apk
UNCOV 153	sh.cp('-a', sh.glob('./lib/{}/lib*.so'.format(arch.arch)),	×
154	self.ctx.get_libs_dir(arch.arch))
155
156
157	recipe = OpenCVRecipe()	8✔

kivy / python-for-android / 22259302242

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