149 lines
6 KiB
Python
149 lines
6 KiB
Python
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from pythonforandroid.toolchain import Recipe, shprint, shutil, current_directory
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from multiprocessing import cpu_count
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from os.path import join, basename
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from os import listdir, walk
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import sh
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# This recipe builds libtorrent with Python bindings
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# It depends on Boost.Build and the source of several Boost libraries present
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# in BOOST_ROOT, which is all provided by the boost recipe
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def get_lib_from(search_directory, lib_extension='.so'):
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'''Scan directories recursively until find any file with the given
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extension. The default extension to search is ``.so``.'''
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for root, dirs, files in walk(search_directory):
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for file in files:
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if file.endswith(lib_extension):
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print('get_lib_from: {}\n\t- {}'.format(
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search_directory, join(root, file)))
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return join(root, file)
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return None
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class LibtorrentRecipe(Recipe):
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# Todo: make recipe compatible with all p4a architectures
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'''
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.. note:: This recipe can be built only against API 21+ and an android
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ndk >= r19
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.. versionchanged:: 0.6.0
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Rewrote recipe to support clang's build and boost 1.68. The following
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changes has been made:
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- Bumped version number to 1.2.0
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- added python 3 compatibility
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- new system to detect/copy generated libraries
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.. versionchanged:: 2019.08.09.1.dev0
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- Bumped version number to 1.2.1
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- Adapted to work with ndk-r19+
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'''
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version = '1_2_1'
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url = 'https://github.com/arvidn/libtorrent/archive/libtorrent-{version}.tar.gz'
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depends = ['boost']
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opt_depends = ['openssl']
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patches = ['disable-so-version.patch',
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'use-soname-python.patch',
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'setup-lib-name.patch']
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# libtorrent.so is not included because is not a system library
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generated_libraries = [
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'boost_system', 'boost_python{py_version}', 'torrent_rasterbar']
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def should_build(self, arch):
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python_version = self.ctx.python_recipe.version[:3].replace('.', '')
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libs = ['lib' + lib_name.format(py_version=python_version) +
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'.so' for lib_name in self.generated_libraries]
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return not (self.has_libs(arch, *libs) and
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self.ctx.has_package('libtorrent', arch.arch))
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def prebuild_arch(self, arch):
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super().prebuild_arch(arch)
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if 'openssl' in recipe.ctx.recipe_build_order:
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# Patch boost user-config.jam to use openssl
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self.get_recipe('boost', self.ctx).apply_patch(
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join(self.get_recipe_dir(), 'user-config-openssl.patch'), arch.arch)
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def build_arch(self, arch):
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super().build_arch(arch)
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env = self.get_recipe_env(arch)
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env['PYTHON_HOST'] = self.ctx.hostpython
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# Define build variables
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build_dir = self.get_build_dir(arch.arch)
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ctx_libs_dir = self.ctx.get_libs_dir(arch.arch)
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encryption = 'openssl' if 'openssl' in recipe.ctx.recipe_build_order else 'built-in'
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build_args = [
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'-q',
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# '-a', # force build, useful to debug the build
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'-j' + str(cpu_count()),
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'--debug-configuration', # so we know if our python is detected
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# '--deprecated-functions=off',
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'toolset=clang-{arch}'.format(arch=env['ARCH']),
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'abi=aapcs',
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'binary-format=elf',
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'cxxflags=-std=c++11',
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'target-os=android',
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'threading=multi',
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'link=shared',
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'boost-link=shared',
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'libtorrent-link=shared',
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'runtime-link=shared',
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'encryption={}'.format('on' if encryption == 'openssl' else 'off'),
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'crypto=' + encryption
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]
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crypto_folder = 'encryption-off'
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if encryption == 'openssl':
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crypto_folder = 'crypto-openssl'
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build_args.extend(['openssl-lib=' + env['OPENSSL_BUILD_PATH'],
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'openssl-include=' + env['OPENSSL_INCLUDE']
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])
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build_args.append('release')
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# Compile libtorrent with boost libraries and python bindings
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with current_directory(join(build_dir, 'bindings/python')):
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b2 = sh.Command(join(env['BOOST_ROOT'], 'b2'))
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shprint(b2, *build_args, _env=env)
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# Copy only the boost shared libraries into the libs folder. Because
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# boost build two boost_python libraries, we force to search the lib
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# into the corresponding build path.
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b2_build_dir = (
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'build/clang-linux-{arch}/release/{encryption}/'
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'lt-visibility-hidden/'.format(
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arch=env['ARCH'], encryption=crypto_folder
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)
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)
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boost_libs_dir = join(env['BOOST_BUILD_PATH'], 'bin.v2/libs')
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for boost_lib in listdir(boost_libs_dir):
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lib_path = get_lib_from(join(boost_libs_dir, boost_lib, b2_build_dir))
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if lib_path:
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lib_name = basename(lib_path)
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shutil.copyfile(lib_path, join(ctx_libs_dir, lib_name))
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# Copy libtorrent shared libraries into the right places
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system_libtorrent = get_lib_from(join(build_dir, 'bin'))
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if system_libtorrent:
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shutil.copyfile(system_libtorrent,
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join(ctx_libs_dir, 'libtorrent_rasterbar.so'))
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python_libtorrent = get_lib_from(join(build_dir, 'bindings/python/bin'))
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shutil.copyfile(python_libtorrent,
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join(self.ctx.get_site_packages_dir(arch), 'libtorrent.so'))
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def get_recipe_env(self, arch):
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# Use environment from boost recipe, cause we use b2 tool from boost
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env = self.get_recipe('boost', self.ctx).get_recipe_env(arch)
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if 'openssl' in recipe.ctx.recipe_build_order:
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r = self.get_recipe('openssl', self.ctx)
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env['OPENSSL_BUILD_PATH'] = r.get_build_dir(arch.arch)
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env['OPENSSL_INCLUDE'] = join(r.get_build_dir(arch.arch), 'include')
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env['OPENSSL_VERSION'] = r.version
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return env
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recipe = LibtorrentRecipe()
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