8000 Add recipe for google protobuf cpp implementation by bakwc · Pull Request #987 · kivy/python-for-android · GitHub
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Add recipe for google protobuf cpp implementation #987

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Merged
merged 2 commits into from
Jan 19, 2017
Merged

Add recipe for google protobuf cpp implementation #987

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f77973f
Added protobuf cpp extension
bakwc Jan 18, 2017
3e84b97
Correct site packages name for protobuf_cpp
bakwc Jan 18, 2017
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104 changes: 104 additions & 0 deletions pythonforandroid/recipes/protobuf_cpp/__init__.py
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Original file line number Diff line number Diff line change
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from pythonforandroid.recipe import PythonRecipe
from pythonforandroid.logger import shprint
from pythonforandroid.util import current_directory
from os.path import exists, join, dirname
import sh
from multiprocessing import cpu_count


from pythonforandroid.toolchain import info


class ProtobufCppRecipe(PythonRecipe):
name = 'protobuf_cpp'
version = '3.1.0'
url = 'https://github.com/google/protobuf/releases/download/v{version}/protobuf-python-{version}.tar.gz'
call_hostpython_via_targetpython = False
depends = ['cffi', 'setuptools']
site_packages_name = 'google/protobuf/pyext'

def build_arch(self, arch):
env = self.get_recipe_env(arch)

# Build libproto.a
with current_directory(self.get_build_dir(arch.arch)):
env['HOSTARCH'] = 'arm-eabi'
env['BUILDARCH'] = shprint(sh.gcc, '-dumpmachine').stdout.decode('utf-8').split('\n')[0]

if not exists('configure'):
shprint(sh.Command('./autogen.sh'), _env=env)

shprint(sh.Command('./configure'),
'--host={}'.format(env['HOSTARCH']),
'--enable-shared',
_env=env)

with current_directory(join(self.get_build_dir(arch.arch), 'src')):
shprint(sh.make, 'libprotobuf.la', '-j'+str(cpu_count()), _env=env)
shprint(sh.cp, '.libs/libprotobuf.a', join(self.ctx.get_libs_dir(arch.arch), 'libprotobuf.a'))

# Build python bindings and _message.so
with current_directory(join(self.get_build_dir(arch.arch), 'python')):
hostpython = sh.Command(self.hostpython_location)
shprint(hostpython,
'setup.py',
'build_ext',
'--cpp_implementation'
, _env=env)

# Install python bindings
self.install_python_package(arch)


def install_python_package(self, arch):
env = self.get_recipe_env(arch)

info('Installing {} into site-packages'.format(self.name))

with current_directory(join(self.get_build_dir(arch.arch), 'python')):
hostpython = sh.Command(self.hostpython_location)

if self.ctx.python_recipe.from_crystax:
hpenv = env.copy()
shprint(hostpython, 'setup.py', 'install', '-O2',
'--root={}'.format(self.ctx.get_python_install_dir()),
'--install-lib=.',
'--cpp_implementation',
_env=hpenv, *self.setup_extra_args)
else:
hppath = join(dirname(self.hostpython_location), 'Lib',
'site-packages')
hpenv = env.copy()
if 'PYTHONPATH' in hpenv:
hpenv['PYTHONPATH'] = ':'.join([hppath] +
hpenv['PYTHONPATH'].split(':'))
else:
hpenv['PYTHONPATH'] = hppath
shprint(hostpython, 'setup.py', 'install', '-O2',
'--root={}'.format(self.ctx 73C4 .get_python_install_dir()),
'--install-lib=lib/python2.7/site-packages',
'--cpp_implementation',
_env=hpenv, *self.setup_extra_args)


def get_recipe_env(self, arch):
env = super(ProtobufCppRecipe, self).get_recipe_env(arch)
env['PROTOC'] = '/home/fipo/soft/protobuf-3.1.0/src/protoc'
env['PYTHON_ROOT'] = self.ctx.get_python_install_dir()
env['TARGET_OS'] = 'OS_ANDROID_CROSSCOMPILE'
env['CFLAGS'] += ' -I' + self.ctx.ndk_dir + '/platforms/android-' + str(
self.ctx.android_api) + '/arch-' + arch.arch.replace('eabi', '') + '/usr/include' + \
' -I' + self.ctx.ndk_dir + '/sources/cxx-stl/gnu-libstdc++/' + self.ctx.toolchain_version + '/include' + \
' -I' + self.ctx.ndk_dir + '/sources/cxx-stl/gnu-libstdc++/' + self.ctx.toolchain_version + '/libs/' + arch.arch + '/include' + \
' -I' + env['PYTHON_ROOT'] + '/include/python2.7'
env['CXXFLAGS'] = env['CFLAGS']
env['CXXFLAGS'] += ' -frtti'
env['CXXFLAGS'] += ' -fexceptions'
env['LDFLAGS'] += ' -L' + self.ctx.ndk_dir + '/sources/cxx-stl/gnu-libstdc++/' + self.ctx.toolchain_version + '/libs/' + arch.arch + \
' -lgnustl_shared -lpython2.7'

env['LDSHARED'] = env['CC'] + ' -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions'
return env


recipe = ProtobufCppRecipe()
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