'''An Android project template, containing recipe stuff for

name = ''

jni_subdir = '/jni'

ctx = None

bootstrap_dir = None

build_dir = None

dist_dir = None

dist_name = None

distribution = None

recipe_depends = ['sdl2']

can_be_chosen_automatically = True

'''Determines whether the bootstrap can be chosen as one that

# Other things a Bootstrap might need to track (maybe separately):

# ndk_main.c

# whitelist.txt

# blacklist.txt

@property

def dist_dir(self):

'''The dist dir at which to place the finished distribution.'''

if self.distribution is None:

warning('Tried to access {}.dist_dir, but {}.distribution '

'is None'.format(self, self))

exit(1)

return self.distribution.dist_dir

@property

def jni_dir(self):

return self.name + self.jni_subdir

def check_recipe_choices(self):

'''Checks what recipes are being built to see which of the alternative

recipes = []

built_recipes = self.ctx.recipe_build_order

for recipe in self.recipe_depends:

if isinstance(recipe, (tuple, list)):

for alternative in recipe:

if alternative in built_recipes:

recipes.append(alternative)

break

return sorted(recipes)

def get_build_dir_name(self):

choices = self.check_recipe_choices()

dir_name = '-'.join([self.name] + choices)

return dir_name

def get_build_dir(self):

return join(self.ctx.build_dir, 'bootstrap_builds', self.get_build_dir_name())

def get_dist_dir(self, name):

return join(self.ctx.dist_dir, name)

@property

def name(self):

modname = self.__class__.__module__

return modname.split(".", 2)[-1]

def prepare_build_dir(self):

'''Ensure that a build dir exists for the recipe. This same single

self.build_dir = self.get_build_dir()

shprint(sh.cp, '-r',

join(self.bootstrap_dir, 'build'),

self.build_dir)

if self.ctx.symlink_java_src:

info('Symlinking java src instead of copying')

shprint(sh.rm, '-r', join(self.build_dir, 'src'))

shprint(sh.mkdir, join(self.build_dir, 'src'))

for dirn in listdir(join(self.bootstrap_dir, 'build', 'src')):

shprint(sh.ln, '-s', join(self.bootstrap_dir, 'build', 'src', dirn),

join(self.build_dir, 'src'))

with current_directory(self.build_dir):

with open('project.properties', 'w') as fileh:

fileh.write('target=android-{}'.format(self.ctx.android_api))

def prepare_dist_dir(self, name):

# self.dist_dir = self.get_dist_dir(name)

ensure_dir(self.dist_dir)

def run_distribute(self):

# print('Default bootstrap being used doesn\'t know how '

# 'to distribute...failing.')

# exit(1)

with current_directory(self.dist_dir):

info('Saving distribution info')

with open('dist_info.json', 'w') as fileh:

json.dump({'dist_name': self.ctx.dist_name,

'bootstrap': self.ctx.bootstrap.name,

'archs': [arch.arch for arch in self.ctx.archs],

'recipes': self.ctx.recipe_build_order + self.ctx.python_modules},

fileh)

@classmethod

def list_bootstraps(cls):

'''Find all the available bootstraps and return them.'''

forbidden_dirs = ('__pycache__', )

bootstraps_dir = join(dirname(__file__), 'bootstraps')

for name in listdir(bootstraps_dir):

if name in forbidden_dirs:

continue

filen = join(bootstraps_dir, name)

if isdir(filen):

yield name

@classmethod

def get_bootstrap_from_recipes(cls, recipes, ctx):

'''Returns a bootstrap whose recipe requirements do not conflict with

info('Trying to find a bootstrap that matches the given recipes.')

bootstraps = [cls.get_bootstrap(name, ctx)

for name in cls.list_bootstraps()]

acceptable_bootstraps = []

for bs in bootstraps:

if not bs.can_be_chosen_automatically:

continue

possible_dependency_lists = expand_dependencies(bs.recipe_depends)

for possible_dependencies in possible_dependency_lists:

ok = True

for recipe in possible_dependencies:

recipe = Recipe.get_recipe(recipe, ctx)

if any([conflict in recipes for conflict in recipe.conflicts]):

ok = False

break

for recipe in recipes:

try:

recipe = Recipe.get_recipe(recipe, ctx)

except IOError:

conflicts = []

else:

conflicts = recipe.conflicts

if any([conflict in possible_dependencies

for conflict in conflicts]):

ok = False

break

if ok:

acceptable_bootstraps.append(bs)

info('Found {} acceptable bootstraps: {}'.format(

len(acceptable_bootstraps),

[bs.name for bs in acceptable_bootstraps]))

if acceptable_bootstraps:

info('Using the first of these: {}'

.format(acceptable_bootstraps[0].name))

return acceptable_bootstraps[0]

return None

@classmethod

def get_bootstrap(cls, name, ctx):

'''Returns an instance of a bootstrap with the given name.

if name is None:

return None

if not hasattr(cls, 'bootstraps'):

cls.bootstraps = {}

if name in cls.bootstraps:

return cls.bootstraps[name]

mod = importlib.import_module('pythonforandroid.bootstraps.{}'

.format(name))

if len(logger.handlers) > 1:

logger.removeHandler(logger.handlers[1])

bootstrap = mod.bootstrap

bootstrap.bootstrap_dir = join(ctx.root_dir, 'bootstraps', name)

bootstrap.ctx = ctx

return bootstrap

def distribute_libs(self, arch, src_dirs, wildcard='*', dest_dir="libs"):

'''Copy existing arch libs from build dirs to current dist dir.'''

info('Copying libs')

tgt_dir = join(dest_dir, arch.arch)

ensure_dir(tgt_dir)

for src_dir in src_dirs:

for lib in glob.glob(join(src_dir, wildcard)):

shprint(sh.cp, '-a', lib, tgt_dir)

def distribute_javaclasses(self, javaclass_dir, dest_dir="src"):

'''Copy existing javaclasses from build dir to current dist dir.'''

info('Copying java files')

ensure_dir(dest_dir)

for filename in glob.glob(javaclass_dir):

shprint(sh.cp, '-a', filename, dest_dir)

def distribute_aars(self, arch):

'''Process existing .aar bundles and copy to current dist dir.'''

info('Unpacking aars')

for aar in glob.glob(join(self.ctx.aars_dir, '*.aar')):

self._unpack_aar(aar, arch)

def _unpack_aar(self, aar, arch):

'''Unpack content of .aar bundle and copy to current dist dir.'''

with temp_directory() as temp_dir:

name = splitext(basename(aar))[0]

jar_name = name + '.jar'

info("unpack {} aar".format(name))

debug(" from {}".format(aar))

debug(" to {}".format(temp_dir))

shprint(sh.unzip, '-o', aar, '-d', temp_dir)

jar_src = join(temp_dir, 'classes.jar')

jar_tgt = join('libs', jar_name)

debug("copy {} jar".format(name))

debug(" from {}".format(jar_src))

debug(" to {}".format(jar_tgt))

ensure_dir('libs')

shprint(sh.cp, '-a', jar_src, jar_tgt)

so_src_dir = join(temp_dir, 'jni', arch.arch)

so_tgt_dir = join('libs', arch.arch)

debug("copy {} .so".format(name))

debug(" from {}".format(so_src_dir))

debug(" to {}".format(so_tgt_dir))

ensure_dir(so_tgt_dir)

so_files = glob.glob(join(so_src_dir, '*.so'))

for f in so_files:

shprint(sh.cp, '-a', f, so_tgt_dir)

def strip_libraries(self, arch):

info('Stripping libraries')

if self.ctx.python_recipe.from_crystax:

info('Python was loaded from CrystaX, skipping strip')

return

env = arch.get_env()

strip = which('arm-linux-androideabi-strip', env['PATH'])

if strip is None:

warning('Can\'t find strip in PATH...')

return

strip = sh.Command(strip)

filens = shprint(sh.find, join(self.dist_dir, 'private'),

join(self.dist_dir, 'libs'),

'-iname', '*.so', _env=env).stdout.decode('utf-8')

logger.info('Stripping libraries in private dir')

for filen in filens.split('\n'):

try:

strip(filen, _env=env)

except sh.ErrorReturnCode_1:

logger.debug('Failed to strip ' + filen)

def fry_eggs(self, sitepackages):

info('Frying eggs in {}'.format(sitepackages))

for d in listdir(sitepackages):

rd = join(sitepackages, d)

if isdir(rd) and d.endswith('.egg'):

info(' ' + d)

files = [join(rd, f) for f in listdir(rd) if f != 'EGG-INFO']

if files:

shprint(sh.mv, '-t', sitepackages, *files)

recipe_lists = [[]]

for recipe in recipes:

if isinstance(recipe, (tuple, list)):

new_recipe_lists = []

for alternative in recipe:

for old_list in recipe_lists:

new_list = [i for i in old_list]

new_list.append(alternative)

new_recipe_lists.append(new_list)

recipe_lists = new_recipe_lists

else:

for old_list in recipe_lists:

old_list.append(recipe)