from pythonforandroid.recipe import TargetPythonRecipe
from pythonforandroid.toolchain import shprint, current_directory, ArchARM
from pythonforandroid.logger import info, error
from pythonforandroid.util import ensure_dir, temp_directory
from os.path import exists, join
import os
import glob
import sh
from sh import Command
# This is the content of opensslconf.h taken from
# ndkdir/build/tools/build-target-openssl.sh
OPENSSLCONF = """#if defined(__ARM_ARCH_5TE__)
#include "opensslconf_armeabi.h"
#elif defined(__ARM_ARCH_7A__) && !defined(__ARM_PCS_VFP)
#include "opensslconf_armeabi_v7a.h"
#elif defined(__ARM_ARCH_7A__) && defined(__ARM_PCS_VFP)
#include "opensslconf_armeabi_v7a_hard.h"
#elif defined(__aarch64__)
#include "opensslconf_arm64_v8a.h"
#elif defined(__i386__)
#include "opensslconf_x86.h"
#elif defined(__x86_64__)
#include "opensslconf_x86_64.h"
#elif defined(__mips__) && !defined(__mips64)
#include "opensslconf_mips.h"
#elif defined(__mips__) && defined(__mips64)
#include "opensslconf_mips64.h"
#else
#error "Unsupported ABI"
#endif
"""
LATEST_FULL_VERSION = {
'3.5': '3.5.1',
'3.6': '3.6.6',
'3.7': '3.7.1'
}
def realpath(fname):
"""
Own implementation of os.realpath which may be broken in some python versions
Returns: the absolute path o
"""
if not os.path.islink(fname):
return os.path.abspath(fname)
abs_path = os.path.abspath(fname).split(os.sep)[:-1]
rel_path = os.readlink(fname)
if os.path.abspath(rel_path) == rel_path:
return rel_path
rel_path = rel_path.split(os.sep)
for folder in rel_path:
if folder == '..':
abs_path.pop()
else:
abs_path.append(folder)
return os.sep.join(abs_path)
class Python3Recipe(TargetPythonRecipe):
version = '3.7'
url = ''
name = 'python3crystax'
depends = ['hostpython3crystax']
conflicts = ['python2', 'python3']
from_crystax = True
def download_if_necessary(self):
if 'openssl' in self.ctx.recipe_build_order or self.version == '3.6' or self.version == '3.7':
full_version = LATEST_FULL_VERSION[self.version]
Python3Recipe.url = 'https://www.python.org/ftp/python/{0}.{1}.{2}/Python-{0}.{1}.{2}.tgz'.format(*full_version.split('.'))
super(Python3Recipe, self).download_if_necessary()
def get_dir_name(self):
name = super(Python3Recipe, self).get_dir_name()
name += '-version{}'.format(self.version)
return name
def copy_include_dir(self, source, target):
ensure_dir(target)
for fname in os.listdir(source):
sh.ln('-sf', realpath(join(source, fname)), join(target, fname))
def _patch_dev_defaults(self, fp, target_ver):
for line in fp:
if 'OPENSSL_VERSIONS=' in line:
versions = line.split('"')[1].split(' ')
if versions[0] == target_ver:
raise ValueError('Patch not needed')
if target_ver in versions:
versions.remove(target_ver)
versions.insert(0, target_ver)
yield 'OPENSSL_VERSIONS="{}"\n'.format(' '.join(versions))
else:
yield line
def patch_dev_defaults(self, ssl_recipe):
def_fname = join(self.ctx.ndk_dir, 'build', 'tools', 'dev-defaults.sh')
try:
with open(def_fname, 'r') as fp:
s = ''.join(self._patch_dev_defaults(fp,
str(ssl_recipe.version)))
with open(def_fname, 'w') as fp:
fp.write(s)
except ValueError:
pass
def check_for_sslso(self, ssl_recipe, arch):
# type: (Recipe, str)
dynlib_dir = join(self.ctx.ndk_dir, 'sources', 'python', self.version,
'libs', arch.arch, 'modules')
if os.path.exists(join(dynlib_dir, '_ssl.so')):
return 10, 'Shared object exists in ndk'
# find out why _ssl.so is missing
source_dir = join(self.ctx.ndk_dir, 'sources', 'openssl', ssl_recipe.version)
if not os.path.exists(source_dir):
return 0, 'Openssl version not present'
# these two path checks are lifted straight from:
# crystax-ndk/build/tools/build-target-python.sh
if not os.path.exists(join(source_dir, 'Android.mk')):
return 1.1, 'Android.mk is missing in openssl source'
include_dir = join(source_dir, 'include','openssl')
if not os.path.exists(join(include_dir, 'opensslconf.h')):
return 1.2, 'Openssl include dir missing'
under_scored_arch = arch.arch.replace('-', '_')
if not os.path.lexists(join(include_dir,
'opensslconf_{}.h'.format(under_scored_arch))):
return 1.3, 'Opensslconf arch header missing from include'
# lastly a check to see whether shared objects for the correct arch
# is present in the ndk
if not os.path.exists(join(source_dir, 'libs', arch.arch)):
return 2, 'Openssl libs for this arch is missing in ndk'
return 5, 'Ready to recompile python'
def find_Android_mk(self):
openssl_dir = join(self.ctx.ndk_dir, 'sources', 'openssl')
for version in os.listdir(openssl_dir):
mk_path = join(openssl_dir, version, 'Android.mk')
if os.path.exists(mk_path):
return mk_path
def prebuild_arch(self, arch):
super(Python3Recipe, self).prebuild_arch(arch)
if self.version == '3.6' or self.version == '3.7':
Python3Recipe.patches = ['patch_python3.6.patch', 'remove_android_api_check.patch', 'selectors.patch']
build_dir = self.get_build_dir(arch.arch)
# copy bundled libffi to _ctypes
sh.cp("-r", join(self.get_recipe_dir(), 'libffi'), join(build_dir, 'Modules', '_ctypes'))
print #####Copied bundle####'
shprint(sh.ln, '-sf',
realpath(join(build_dir, 'Lib/site-packages/README.txt')),
join(build_dir, 'Lib/site-packages/README'))
python_build_files = ['android.mk', 'config.c', 'interpreter.c']
ndk_build_tools_python_dir = join(self.ctx.ndk_dir, 'build', 'tools', 'build-target-python')
for python_build_file in python_build_files:
shprint(sh.cp, join(self.get_recipe_dir(), python_build_file+'.3.7'),
join(ndk_build_tools_python_dir, python_build_file+'.3.7'))
ndk_sources_python_dir = join(self.ctx.ndk_dir, 'sources', 'python')
if not os.path.exists(join(ndk_sources_python_dir, '3.7')):
os.mkdir(join(ndk_sources_python_dir, '3.7'))
sh.sed('s#3.5#3.7#',
join(ndk_sources_python_dir, '3.5/Android.mk'),
_out=join(ndk_sources_python_dir, '3.7/Android.mk'))
def build_arch(self, arch):
# If openssl is needed we may have to recompile cPython to get the
# ssl.py module working properly
if self.from_crystax and 'openssl' in self.ctx.recipe_build_order:
info('Openssl and crystax-python combination may require '
'recompilation of python...')
ssl_recipe = self.get_recipe('openssl', self.ctx)
stage, msg = self.check_for_sslso(ssl_recipe, arch)
stage = 0 if stage < 5 else stage
info(msg)
openssl_build_dir = ssl_recipe.get_build_dir(arch.arch)
openssl_ndk_dir = join(self.ctx.ndk_dir, 'sources', 'openssl',
ssl_recipe.version)
if stage < 2:
info('Copying openssl headers and Android.mk to ndk')
ensure_dir(openssl_ndk_dir)
if stage < 1.2:
# copy include folder and Android.mk to ndk
mk_path = self.find_Android_mk()
if mk_path is None:
raise IOError('Android.mk file could not be found in '
'any versions in ndk->sources->openssl')
shprint(sh.cp, mk_path, openssl_ndk_dir)
include_dir = join(openssl_build_dir, 'include')
if stage < 1.3:
ndk_include_dir = join(openssl_ndk_dir, 'include', 'openssl')
self.copy_include_dir(join(include_dir, 'openssl'), ndk_include_dir)
target_conf = join(openssl_ndk_dir, 'include', 'openssl',
'opensslconf.h')
shprint(sh.rm, '-f', target_conf)
# overwrite opensslconf.h
with open(target_conf, 'w') as fp:
fp.write(OPENSSLCONF)
if stage < 1.4:
# move current conf to arch specific conf in ndk
under_scored_arch = arch.arch.replace('-', '_')
shprint(sh.ln, '-sf',
realpath(join(include_dir, 'openssl', 'opensslconf.h')),
join(openssl_ndk_dir, 'include', 'openssl',
'opensslconf_{}.h'.format(under_scored_arch))
)
if stage < 3:
info('Copying openssl libs to ndk')
arch_ndk_lib = join(openssl_ndk_dir, 'libs', arch.arch)
ensure_dir(arch_ndk_lib)
shprint(sh.ln, '-sf',
realpath(join(openssl_build_dir, 'libcrypto{}.so'.format(ssl_recipe.version))),
join(openssl_build_dir, 'libcrypto.so'))
shprint(sh.ln, '-sf',
realpath(join(openssl_build_dir, 'libssl{}.so'.format(ssl_recipe.version))),
join(openssl_build_dir, 'libssl.so'))
libs = ['libcrypto.a', 'libcrypto.so', 'libssl.a', 'libssl.so']
cmd = [join(openssl_build_dir, lib) for lib in libs] + [arch_ndk_lib]
shprint(sh.cp, '-f', *cmd)
if stage < 10:
info('Recompiling python-crystax')
self.patch_dev_defaults(ssl_recipe)
build_script = join(self.ctx.ndk_dir, 'build', 'tools',
'build-target-python.sh')
shprint(Command(build_script),
'--ndk-dir={}'.format(self.ctx.ndk_dir),
'--abis={}'.format(arch.arch),
'-j5', '--verbose',
self.get_build_dir(arch.arch))
info('Extracting CrystaX python3 from NDK package')
dirn = self.ctx.get_python_install_dir()
ensure_dir(dirn)
self.ctx.hostpython = 'python{}'.format(self.version)
recipe = Python3Recipe()