'''A build context. If anything will be built, an instance this class

env = environ.copy()

root_dir = None # the filepath of toolchain.py

storage_dir = None # the root dir where builds and dists will be stored

build_dir = None # in which bootstraps are copied for building

# and recipes are built

dist_dir = None # the Android project folder where everything ends up

libs_dir = None # where Android libs are cached after build but

# before being placed in dists

aars_dir = None

javaclass_dir = None

ccache = None # whether to use ccache

cython = None # the cython interpreter name

ndk_platform = None # the ndk platform directory

dist_name = None # should be deprecated in favour of self.dist.dist_name

bootstrap = None

bootstrap_build_dir = None

recipe_build_order = None # Will hold the list of all built recipes

@property

def packages_path(self):

'''Where packages are downloaded before being unpacked'''

return join(self.storage_dir, 'packages')

@property

def templates_dir(self):

return join(self.root_dir, 'templates')

@property

def libs_dir(self):

# Was previously hardcoded as self.build_dir/libs

dir = join(self.build_dir, 'libs_collections',

self.bootstrap.distribution.name)

ensure_dir(dir)

return dir

@property

def javaclass_dir(self):

# Was previously hardcoded as self.build_dir/java

dir = join(self.build_dir, 'javaclasses',

self.bootstrap.distribution.name)

ensure_dir(dir)

return dir

@property

def aars_dir(self):

dir = join(self.build_dir, 'aars', self.bootstrap.distribution.name)

ensure_dir(dir)

return dir

@property

def python_installs_dir(self):

dir = join(self.build_dir, 'python-installs')

ensure_dir(dir)

return dir

def get_python_install_dir(self):

dir = join(self.python_installs_dir, self.bootstrap.distribution.name)

return dir

def setup_dirs(self):

'''Calculates all the storage and build dirs, and makes sure

self.root_dir = realpath(dirname(__file__))

# AND: TODO: Allow the user to set the build_dir

self.storage_dir = user_data_dir('python-for-android')

self.build_dir = join(self.storage_dir, 'build')

self.dist_dir = join(self.storage_dir, 'dists')

ensure_dir(self.storage_dir)

ensure_dir(self.build_dir)

ensure_dir(self.dist_dir)

@property

def android_api(self):

'''The Android API being targeted.'''

if self._android_api is None:

raise ValueError('Tried to access android_api but it has not '

'been set - this should not happen, something '

'went wrong!')

return self._android_api

@android_api.setter

def android_api(self, value):

self._android_api = value

@property

def ndk_ver(self):

'''The version of the NDK being used for compilation.'''

if self._ndk_ver is None:

raise ValueError('Tried to access android_api but it has not '

'been set - this should not happen, something '

'went wrong!')

return self._ndk_ver

@ndk_ver.setter

def ndk_ver(self, value):

self._ndk_ver = value

@property

def sdk_dir(self):

'''The path to the Android SDK.'''

if self._sdk_dir is None:

raise ValueError('Tried to access android_api but it has not '

'been set - this should not happen, something '

'went wrong!')

return self._sdk_dir

@sdk_dir.setter

def sdk_dir(self, value):

self._sdk_dir = value

@property

def ndk_dir(self):

'''The path to the Android NDK.'''

if self._ndk_dir is None:

raise ValueError('Tried to access android_api but it has not '

'been set - this should not happen, something '

'went wrong!')

return self._ndk_dir

@ndk_dir.setter

def ndk_dir(self, value):

self._ndk_dir = value

def prepare_build_environment(self, user_sdk_dir, user_ndk_dir,

user_android_api, user_ndk_ver):

'''Checks that build dependencies exist and sets internal variables

if self._build_env_prepared:

return

# AND: This needs revamping to carefully check each dependency

# in turn

ok = True

# Work out where the Android SDK is

sdk_dir = None

if user_sdk_dir:

sdk_dir = user_sdk_dir

if sdk_dir is None: # This is the old P4A-specific var

sdk_dir = environ.get('ANDROIDSDK', None)

if sdk_dir is None: # This seems used more conventionally

sdk_dir = environ.get('ANDROID_HOME', None)

if sdk_dir is None: # Checks in the buildozer SDK dir, useful

# # for debug tests of p4a

possible_dirs = glob.glob(expanduser(join(

'~', '.buildozer', 'android', 'platform', 'android-sdk-*')))

if possible_dirs:

info('Found possible SDK dirs in buildozer dir: {}'.format(

', '.join([d.split(os.sep)[-1] for d in possible_dirs])))

info('Will attempt to use SDK at {}'.format(possible_dirs[0]))

warning('This SDK lookup is intended for debug only, if you '

'use python-for-android much you should probably '

'maintain your own SDK download.')

sdk_dir = possible_dirs[0]

if sdk_dir is None:

warning('Android SDK dir was not specified, exiting.')

exit(1)

self.sdk_dir = realpath(sdk_dir)

# Check what Android API we're using

android_api = None

if user_android_api:

android_api = user_android_api

if android_api is not None:

info('Getting Android API version from user argument')

if android_api is None:

android_api = environ.get('ANDROIDAPI', None)

if android_api is not None:

info('Found Android API target in $ANDROIDAPI')

if android_api is None:

info('Android API target was not set manually, using '

'the default of {}'.format(DEFAULT_ANDROID_API))

android_api = DEFAULT_ANDROID_API

android_api = int(android_api)

self.android_api = android_api

android = sh.Command(join(sdk_dir, 'tools', 'android'))

targets = android('list').stdout.split('\n')

apis = [s for s in targets if re.match(r'^ *API level: ', s)]

apis = [re.findall(r'[0-9]+', s) for s in apis]

apis = [int(s[0]) for s in apis if s]

info('Available Android APIs are ({})'.format(

', '.join(map(str, apis))))

if android_api in apis:

info(('Requested API target {} is available, '

'continuing.').format(android_api))

else:

warning(('Requested API target {} is not available, install '

'it with the SDK android tool.').format(android_api))

warning('Exiting.')

exit(1)

# Find the Android NDK

# Could also use ANDROID_NDK, but doesn't look like many tools use this

ndk_dir = None

if user_ndk_dir:

ndk_dir = user_ndk_dir

if ndk_dir is not None:

info('Getting NDK dir from from user argument')

if ndk_dir is None: # The old P4A-specific dir

ndk_dir = environ.get('ANDROIDNDK', None)

if ndk_dir is not None:

info('Found NDK dir in $ANDROIDNDK')

if ndk_dir is None: # Apparently the most common convention

ndk_dir = environ.get('NDK_HOME', None)

if ndk_dir is not None:

info('Found NDK dir in $NDK_HOME')

if ndk_dir is None: # Another convention (with maven?)

ndk_dir = environ.get('ANDROID_NDK_HOME', None)

if ndk_dir is not None:

info('Found NDK dir in $ANDROID_NDK_HOME')

if ndk_dir is None: # Checks in the buildozer NDK dir, useful

# # for debug tests of p4a

possible_dirs = glob.glob(expanduser(join(

'~', '.buildozer', 'android', 'platform', 'android-ndk-r*')))

if possible_dirs:

info('Found possible NDK dirs in buildozer dir: {}'.format(

', '.join([d.split(os.sep)[-1] for d in possible_dirs])))

info('Will attempt to use NDK at {}'.format(possible_dirs[0]))

warning('This NDK lookup is intended for debug only, if you '

'use python-for-android much you should probably '

'maintain your own NDK download.')

ndk_dir = possible_dirs[0]

if ndk_dir is None:

warning('Android NDK dir was not specified, exiting.')

exit(1)

self.ndk_dir = realpath(ndk_dir)

# Find the NDK version, and check it against what the NDK dir

# seems to report

ndk_ver = None

if user_ndk_ver:

ndk_ver = user_ndk_ver

if ndk_dir is not None:

info('Got NDK version from from user argument')

if ndk_ver is None:

ndk_ver = environ.get('ANDROIDNDKVER', None)

if ndk_dir is not None:

info('Got NDK version from $ANDROIDNDKVER')

try:

with open(join(ndk_dir, 'RELEASE.TXT')) as fileh:

reported_ndk_ver = fileh.read().split(' ')[0]

except IOError:

pass

else:

if ndk_ver is None:

ndk_ver = reported_ndk_ver

info(('Got Android NDK version from the NDK dir: '

'it is {}').format(ndk_ver))

else:

if ndk_ver != reported_ndk_ver:

warning('NDK version was set as {}, but checking '

'the NDK dir claims it is {}.'.format(

ndk_ver, reported_ndk_ver))

warning('The build will try to continue, but it may '

'fail and you should check '

'that your setting is correct.')

warning('If the NDK dir result is correct, you don\'t '

'need to manually set the NDK ver.')

if ndk_ver is None:

warning('Android NDK version could not be found, exiting.')

self.ndk_ver = ndk_ver

virtualenv = None

if virtualenv is None:

virtualenv = sh.which('virtualenv2')

if virtualenv is None:

virtualenv = sh.which('virtualenv-2.7')

if virtualenv is None:

virtualenv = sh.which('virtualenv')

if virtualenv is None:

raise IOError('Couldn\'t find a virtualenv executable, '

'you must install this to use p4a.')

self.virtualenv = virtualenv

info('Found virtualenv at {}'.format(virtualenv))

# path to some tools

self.ccache = sh.which("ccache")

if not self.ccache:

info('ccache is missing, the build will not be optimized in the '

'future.')

for cython_fn in ("cython2", "cython-2.7", "cython"):

cython = sh.which(cython_fn)

if cython:

self.cython = cython

break

if not self.cython:

ok = False

warning("Missing requirement: cython is not installed")

# AND: need to change if supporting multiple archs at once

arch = self.archs[0]

platform_dir = arch.platform_dir

toolchain_prefix = arch.toolchain_prefix

self.ndk_platform = join(

self.ndk_dir,

'platforms',

'android-{}'.format(self.android_api),

platform_dir)

if not exists(self.ndk_platform):

warning('ndk_platform doesn\'t exist: {}'.format(

self.ndk_platform))

ok = False

py_platform = sys.platform

if py_platform in ['linux2', 'linux3']:

py_platform = 'linux'

toolchain_versions = []

toolchain_path = join(self.ndk_dir, 'toolchains')

if os.path.isdir(toolchain_path):

toolchain_contents = glob.glob('{}/{}-*'.format(toolchain_path,

toolchain_prefix))

toolchain_versions = [split(path)[-1][len(toolchain_prefix) + 1:]

for path in toolchain_contents]

else:

warning('Could not find toolchain subdirectory!')

ok = False

toolchain_versions.sort()

toolchain_versions_gcc = []

for toolchain_version in toolchain_versions:

if toolchain_version[0].isdigit():

# GCC toolchains begin with a number

toolchain_versions_gcc.append(toolchain_version)

if toolchain_versions:

info('Found the following toolchain versions: {}'.format(

toolchain_versions))

info('Picking the latest gcc toolchain, here {}'.format(

toolchain_versions_gcc[-1]))

toolchain_version = toolchain_versions_gcc[-1]

else:

warning('Could not find any toolchain for {}!'.format(

toolchain_prefix))

ok = False

self.toolchain_prefix = toolchain_prefix

self.toolchain_version = toolchain_version

# Modify the path so that sh finds modules appropriately

environ['PATH'] = (

'{ndk_dir}/toolchains/{toolchain_prefix}-{toolchain_version}/'

'prebuilt/{py_platform}-x86/bin/:{ndk_dir}/toolchains/'

'{toolchain_prefix}-{toolchain_version}/prebuilt/'

'{py_platform}-x86_64/bin/:{ndk_dir}:{sdk_dir}/'

'tools:{path}').format(

sdk_dir=self.sdk_dir, ndk_dir=self.ndk_dir,

toolchain_prefix=toolchain_prefix,

toolchain_version=toolchain_version,

py_platform=py_platform, path=environ.get('PATH'))

for executable in ("pkg-config", "autoconf", "automake", "libtoolize",

"tar", "bzip2", "unzip", "make", "gcc", "g++"):

if not sh.which(executable):

warning("Missing executable: {} is not installed".format(

executable))

if not ok:

error('{}python-for-android cannot continue; aborting{}'.format(

Err_Fore.RED, Err_Fore.RESET))

sys.exit(1)

def __init__(self):

super(Context, self).__init__()

self.include_dirs = []

self._build_env_prepared = False

self._sdk_dir = None

self._ndk_dir = None

self._android_api = None

self._ndk_ver = None

self.toolchain_prefix = None

self.toolchain_version = None

# root of the toolchain

self.setup_dirs()

# this list should contain all Archs, it is pruned later

self.archs = (

ArchARM(self),

ArchARMv7_a(self),

Archx86(self)

)

ensure_dir(join(self.build_dir, 'bootstrap_builds'))

ensure_dir(join(self.build_dir, 'other_builds'))

# other_builds: where everything else is built

# remove the most obvious flags that can break the compilation

self.env.pop("LDFLAGS", None)

self.env.pop("ARCHFLAGS", None)

self.env.pop("CFLAGS", None)

def set_archs(self, arch_names):

all_archs = self.archs

new_archs = set()

for name in arch_names:

matching = [arch for arch in all_archs if arch.arch == name]

for match in matching:

new_archs.add(match)

self.archs = list(new_archs)

if not self.archs:

warning('Asked to compile for no Archs, so failing.')

exit(1)

info('Will compile for the following archs: {}'.format(

', '.join([arch.arch for arch in self.archs])))

def prepare_bootstrap(self, bs):

bs.ctx = self

self.bootstrap = bs

self.bootstrap.prepare_build_dir()

self.bootstrap_build_dir = self.bootstrap.build_dir

def prepare_dist(self, name):

self.dist_name = name

self.bootstrap.prepare_dist_dir(self.dist_name)

def get_site_packages_dir(self, arch=None):

'''Returns the location of site-packages in the python-install build

# AND: This *must* be replaced with something more general in

# order to support multiple python versions and/or multiple

# archs.

return join(self.get_python_install_dir(),

'lib', 'python2.7', 'site-packages')

def get_libs_dir(self, arch):

'''The libs dir for a given arch.'''

ensure_dir(join(self.libs_dir, arch))

# Put recipes in correct build order

bs = ctx.bootstrap

info_notify("Recipe build order is {}".format(build_order))

if python_modules:

info_notify(

('The requirements ({}) were not found as recipes, they will be '

'installed with pip.').format(', '.join(python_modules)))

ctx.recipe_build_order = build_order

recipes = [Recipe.get_recipe(name, ctx) for name in build_order]

# download is arch independent

info_main('# Downloading recipes ')

for recipe in recipes:

recipe.download_if_necessary()

for arch in ctx.archs:

info_main('# Building all recipes for arch {}'.format(arch.arch))

info_main('# Unpacking recipes')

for recipe in recipes:

ensure_dir(recipe.get_build_container_dir(arch.arch))

recipe.prepare_build_dir(arch.arch)

info_main('# Prebuilding recipes')

# 2) prebuild packages

for recipe in recipes:

info_main('Prebuilding {} for {}'.format(recipe.name, arch.arch))

recipe.prebuild_arch(arch)

recipe.apply_patches(arch)

# 3) build packages

info_main('# Building recipes')

for recipe in recipes:

info_main('Building {} for {}'.format(recipe.name, arch.arch))

if recipe.should_build(arch):

recipe.build_arch(arch)

else:

info('{} said it is already built, skipping'

.format(recipe.name))

# 4) biglink everything

# AND: Should make this optional

info_main('# Biglinking object files')

biglink(ctx, arch)

# 5) postbuild packages

info_main('# Postbuilding recipes')

for recipe in recipes:

info_main('Postbuilding {} for {}'.format(recipe.name, arch.arch))

recipe.postbuild_arch(arch)

info_main('# Installing pure Python modules')

run_pymodules_install(ctx, python_modules)

if not modules:

info('There are no Python modules to install, skipping')

return

info('The requirements ({}) don\'t have recipes, attempting to install '

'them with pip'.format(', '.join(modules)))

info('If this fails, it may mean that the module has compiled '

'components and needs a recipe.')

venv = sh.Command(ctx.virtualenv)

with current_directory(join(ctx.build_dir)):

shprint(venv, '--python=python2.7', 'venv')

info('Creating a requirements.txt file for the Python modules')

with open('requirements.txt', 'w') as fileh:

for module in modules:

fileh.write('{}\n'.format(module))

info('Installing Python modules with pip')

info('If this fails with a message about /bin/false, this '

'probably means the package cannot be installed with '

'pip as it needs a compilation recipe.')

# This bash method is what old-p4a used

# It works but should be replaced with something better

shprint(sh.bash, '-c', (

"source venv/bin/activate && env CC=/bin/false CXX=/bin/false"

"PYTHONPATH= pip install --target '{}' -r requirements.txt"

# First, collate object files from each recipe

info('Collating object files from each recipe')

obj_dir = join(ctx.bootstrap.build_dir, 'collated_objects')

ensure_dir(obj_dir)

recipes = [Recipe.get_recipe(name, ctx) for name in ctx.recipe_build_order]

for recipe in recipes:

recipe_obj_dir = join(recipe.get_build_container_dir(arch.arch),

'objects_{}'.format(recipe.name))

if not exists(recipe_obj_dir):

info('{} recipe has no biglinkable files dir, skipping'

.format(recipe.name))

continue

files = glob.glob(join(recipe_obj_dir, '*'))

if not len(files):

info('{} recipe has no biglinkable files, skipping'

.format(recipe.name))

info('{} recipe has object files, copying'.format(recipe.name))

files.append(obj_dir)

shprint(sh.cp, '-r', *files)

env = arch.get_env()

env['LDFLAGS'] = env['LDFLAGS'] + ' -L{}'.format(

join(ctx.bootstrap.build_dir, 'obj', 'local', arch.arch))

if not len(glob.glob(join(obj_dir, '*'))):

info('There seem to be no libraries to biglink, skipping.')

return

info('Biglinking')

info('target {}'.format(join(ctx.get_libs_dir(arch.arch),

'libpymodules.so')))

biglink_function(

join(ctx.get_libs_dir(arch.arch), 'libpymodules.so'),

obj_dir.split(' '),

extra_link_dirs=[join(ctx.bootstrap.build_dir,

'obj', 'local', arch.arch)],

print('objs_paths are', objs_paths)

sofiles = []

for directory in objs_paths:

for fn in os.listdir(directory):

fn = os.path.join(directory, fn)

if not fn.endswith(".so.o"):

continue

if not os.path.exists(fn[:-2] + ".libs"):

continue

sofiles.append(fn[:-2])

# The raw argument list.

args = []

for fn in sofiles:

afn = fn + ".o"

libsfn = fn + ".libs"

args.append(afn)

with open(libsfn) as fd:

data = fd.read()

args.extend(data.split(" "))

unique_args = []

while args:

a = args.pop()

if a in ('-L', ):

continue

if a not in unique_args:

unique_args.insert(0, a)

for dir in extra_link_dirs:

link = '-L{}'.format(dir)

if link not in unique_args:

unique_args.append(link)

cc_name = env['CC']

cc = sh.Command(cc_name.split()[0])

cc = cc.bake(*cc_name.split()[1:])