8b2694efb7
* fix build for openssl 1.1.1b required for sdk (cherry picked from commitaa49e3b275) * use js code from master * fix openssl recipe and tweak build (cherry picked from commit6e94c27021) * remove unused build recipes (cherry picked from commitf5c0577bdb)
135 lines
6.1 KiB
Python
135 lines
6.1 KiB
Python
from os.path import join
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import sh
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from pythonforandroid.recipe import NDKRecipe
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from pythonforandroid.toolchain import (
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current_directory,
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shprint,
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)
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from multiprocessing import cpu_count
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class OpenCVRecipe(NDKRecipe):
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'''
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.. versionchanged:: 0.7.1
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rewrote recipe to support the python bindings (cv2.so) and enable the
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build of most of the libraries of the opencv's package, so we can
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process images, videos, objects, photos...
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'''
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version = '4.0.1'
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url = 'https://github.com/opencv/opencv/archive/{version}.zip'
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depends = ['numpy']
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patches = ['patches/p4a_build.patch']
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generated_libraries = [
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'libopencv_features2d.so',
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'libopencv_imgproc.so',
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'libopencv_stitching.so',
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'libopencv_calib3d.so',
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'libopencv_flann.so',
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'libopencv_ml.so',
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'libopencv_videoio.so',
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'libopencv_core.so',
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'libopencv_highgui.so',
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'libopencv_objdetect.so',
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'libopencv_video.so',
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'libopencv_dnn.so',
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'libopencv_imgcodecs.so',
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'libopencv_photo.so'
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]
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def get_lib_dir(self, arch):
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return join(self.get_build_dir(arch.arch), 'build', 'lib', arch.arch)
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def get_recipe_env(self, arch):
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env = super(OpenCVRecipe, self).get_recipe_env(arch)
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env['ANDROID_NDK'] = self.ctx.ndk_dir
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env['ANDROID_SDK'] = self.ctx.sdk_dir
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return env
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def build_arch(self, arch):
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build_dir = join(self.get_build_dir(arch.arch), 'build')
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shprint(sh.mkdir, '-p', build_dir)
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with current_directory(build_dir):
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env = self.get_recipe_env(arch)
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python_major = self.ctx.python_recipe.version[0]
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python_include_root = self.ctx.python_recipe.include_root(arch.arch)
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python_site_packages = self.ctx.get_site_packages_dir()
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python_link_root = self.ctx.python_recipe.link_root(arch.arch)
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python_link_version = self.ctx.python_recipe.major_minor_version_string
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if 'python3' in self.ctx.python_recipe.name:
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python_link_version += 'm'
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python_library = join(python_link_root,
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'libpython{}.so'.format(python_link_version))
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python_include_numpy = join(python_site_packages,
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'numpy', 'core', 'include')
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shprint(sh.cmake,
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'-DP4A=ON',
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'-DANDROID_ABI={}'.format(arch.arch),
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'-DANDROID_STANDALONE_TOOLCHAIN={}'.format(self.ctx.ndk_dir),
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'-DANDROID_NATIVE_API_LEVEL={}'.format(self.ctx.ndk_api),
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'-DANDROID_EXECUTABLE={}/tools/android'.format(env['ANDROID_SDK']),
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'-DCMAKE_TOOLCHAIN_FILE={}'.format(
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join(self.ctx.ndk_dir, 'build', 'cmake',
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'android.toolchain.cmake')),
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# Make the linkage with our python library, otherwise we
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# will get dlopen error when trying to import cv2's module.
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'-DCMAKE_SHARED_LINKER_FLAGS=-L{path} -lpython{version}'.format(
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path=python_link_root,
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version=python_link_version),
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'-DBUILD_WITH_STANDALONE_TOOLCHAIN=ON',
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# Force to build as shared libraries the cv2's dependant
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# libs or we will not be able to link with our python
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'-DBUILD_SHARED_LIBS=ON',
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'-DBUILD_STATIC_LIBS=OFF',
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# Disable some opencv's features
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'-DBUILD_opencv_java=OFF',
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'-DBUILD_opencv_java_bindings_generator=OFF',
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# '-DBUILD_opencv_highgui=OFF',
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# '-DBUILD_opencv_imgproc=OFF',
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# '-DBUILD_opencv_flann=OFF',
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'-DBUILD_TESTS=OFF',
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'-DBUILD_PERF_TESTS=OFF',
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'-DENABLE_TESTING=OFF',
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'-DBUILD_EXAMPLES=OFF',
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'-DBUILD_ANDROID_EXAMPLES=OFF',
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# Force to only build our version of python
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'-DBUILD_OPENCV_PYTHON{major}=ON'.format(major=python_major),
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'-DBUILD_OPENCV_PYTHON{major}=OFF'.format(
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major='2' if python_major == '3' else '3'),
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# Force to install the `cv2.so` library directly into
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# python's site packages (otherwise the cv2's loader fails
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# on finding the cv2.so library)
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'-DOPENCV_SKIP_PYTHON_LOADER=ON',
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'-DOPENCV_PYTHON{major}_INSTALL_PATH={site_packages}'.format(
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major=python_major, site_packages=python_site_packages),
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# Define python's paths for: exe, lib, includes, numpy...
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'-DPYTHON_DEFAULT_EXECUTABLE={}'.format(self.ctx.hostpython),
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'-DPYTHON{major}_EXECUTABLE={host_python}'.format(
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major=python_major, host_python=self.ctx.hostpython),
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'-DPYTHON{major}_INCLUDE_PATH={include_path}'.format(
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major=python_major, include_path=python_include_root),
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'-DPYTHON{major}_LIBRARIES={python_lib}'.format(
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major=python_major, python_lib=python_library),
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'-DPYTHON{major}_NUMPY_INCLUDE_DIRS={numpy_include}'.format(
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major=python_major, numpy_include=python_include_numpy),
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'-DPYTHON{major}_PACKAGES_PATH={site_packages}'.format(
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major=python_major, site_packages=python_site_packages),
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self.get_build_dir(arch.arch),
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_env=env)
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shprint(sh.make, '-j' + str(cpu_count()), 'opencv_python' + python_major)
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# Install python bindings (cv2.so)
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shprint(sh.cmake, '-DCOMPONENT=python', '-P', './cmake_install.cmake')
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# Copy third party shared libs that we need in our final apk
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sh.cp('-a', sh.glob('./lib/{}/lib*.so'.format(arch.arch)),
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self.ctx.get_libs_dir(arch.arch))
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recipe = OpenCVRecipe()
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