8000 Add Ethereum related recipes (#1068) · ikewang/python-for-android@2dcd3cf · GitHub
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Add Ethereum related recipes (kivy#1068)
* Ethereum related recipes * ethash * libsecp256k1 * pycryptodome * pyethereum * pysha3 * scrypt * secp256k1 See https://github.com/ethereum * Added explicit version For pycryptodome, pyethereum and pysha3
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‎pythonforandroid/recipes/ethash/__init__.py

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from pythonforandroid.recipe import PythonRecipe
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class EthashRecipe(PythonRecipe):
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url = 'https://github.com/ethereum/ethash/archive/master.zip'
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depends = ['python2', 'setuptools']
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recipe = EthashRecipe()

‎pythonforandroid/recipes/libsecp256k1/__init__.py

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from pythonforandroid.toolchain import shprint, current_directory
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from pythonforandroid.recipe import Recipe
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from multiprocessing import cpu_count
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from os.path import exists
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import sh
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class LibSecp256k1Recipe(Recipe):
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url = 'https://github.com/bitcoin-core/secp256k1/archive/master.zip'
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def build_arch(self, arch):
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super(LibSecp256k1Recipe, self).build_arch(arch)
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env = self.get_recipe_env(arch)
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with current_directory(self.get_build_dir(arch.arch)):
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if not exists('configure'):
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shprint(sh.Command('./autogen.sh'), _env=env)
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shprint(
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sh.Command('./configure'),
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'--host=' + arch.toolchain_prefix,
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'--prefix=' + self.ctx.get_python_install_dir(),
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'--enable-shared',
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'--enable-module-recovery',
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'--enable-experimental',
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'--enable-module-ecdh',
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_env=env)
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shprint(sh.make, '-j' + str(cpu_count()), _env=env)
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libs = ['.libs/libsecp256k1.so']
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self.install_libs(arch, *libs)
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recipe = LibSecp256k1Recipe()

‎pythonforandroid/recipes/pycryptodome/__init__.py

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from pythonforandroid.recipe import PythonRecipe
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class PycryptodomeRecipe(PythonRecipe):
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version = 'v3.4.6'
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url = 'https://github.com/Legrandin/pycryptodome/archive/{version}.tar.gz'
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depends = ['python2', 'setuptools']
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recipe = PycryptodomeRecipe()

‎pythonforandroid/recipes/pyethereum/__init__.py

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from pythonforandroid.recipe import PythonRecipe
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class PyethereumRecipe(PythonRecipe):
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version = 'v1.6.1'
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url = 'https://github.com/ethereum/pyethereum/archive/{version}.tar.gz'
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depends = [
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'python2', 'setuptools', 'pycryptodome', 'pysha3', 'ethash', 'scrypt'
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]
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call_hostpython_via_targetpython = False
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recipe = PyethereumRecipe()

‎pythonforandroid/recipes/pysha3/__init__.py

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from pythonforandroid.recipe import PythonRecipe
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class Pysha3Recipe(PythonRecipe):
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version = '1.0.2'
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url = 'https://github.com/tiran/pysha3/archive/{version}.tar.gz'
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depends = ['python2', 'setuptools']
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recipe = Pysha3Recipe()

‎pythonforandroid/recipes/scrypt/__init__.py

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from pythonforandroid.toolchain import CythonRecipe
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from os.path import join
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class ScryptRecipe(CythonRecipe):
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url = 'https://bitbucket.org/mhallin/py-scrypt/get/default.zip'
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depends = ['python2', 'setuptools', 'openssl']
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call_hostpython_via_targetpython = False
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patches = ["remove_librt.patch"]
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def get_recipe_env(self, arch, with_flags_in_cc=True):
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"""
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Adds openssl recipe to include and library path.
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"""
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env = super(ScryptRecipe, self).get_recipe_env(arch, with_flags_in_cc)
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openssl_build_dir = self.get_recipe(
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'openssl', self.ctx).get_build_dir(arch.arch)
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print("openssl_build_dir:", openssl_build_dir)
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env['CC'] = '%s -I%s' % (env['CC'], join(openssl_build_dir, 'include'))
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env['LDFLAGS'] = env['LDFLAGS'] + ' -L{}'.format(
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self.ctx.get_libs_dir(arch.arch) +
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'-L{}'.format(self.ctx.libs_dir)) + ' -L{}'.format(
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openssl_build_dir)
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return env
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recipe = ScryptRecipe()

‎pythonforandroid/recipes/scrypt/remove_librt.patch

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diff -r 91d194b6a6bd setup.py
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--- a/setup.py Sat Sep 17 15:29:49 2016 +0200
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+++ b/setup.py Mon May 29 07:30:24 2017 +0000
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@@ -13,7 +13,6 @@
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if sys.platform.startswith('linux'):
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define_macros = [('HAVE_CLOCK_GETTIME', '1'),
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- ('HAVE_LIBRT', '1'),
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('HAVE_POSIX_MEMALIGN', '1'),
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('HAVE_STRUCT_SYSINFO', '1'),
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('HAVE_STRUCT_SYSINFO_MEM_UNIT', '1'),
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@@ -21,7 +20,7 @@
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('HAVE_SYSINFO', '1'),
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('HAVE_SYS_SYSINFO_H', '1'),
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('_FILE_OFFSET_BITS', '64')]
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- libraries = ['crypto', 'rt']
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+ libraries = ['crypto']
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CFLAGS.append('-O2')
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elif sys.platform.startswith('win32'):
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define_macros = [('inline', '__inline')]

‎pythonforandroid/recipes/secp256k1/__init__.py

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from os.path import join
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from pythonforandroid.recipe import CompiledComponentsPythonRecipe
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class Secp256k1Recipe(CompiledComponentsPythonRecipe):
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url = 'https://github.com/ludbb/secp256k1-py/archive/master.zip'
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call_hostpython_via_targetpython = False
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depends = [
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'openssl', 'hostpython2', 'python2', 'setuptools',
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'libffi', 'cffi', 'libsecp256k1']
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patches = ["cross_compile.patch", "pkg-config.patch", "find_lib.patch"]
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def get_recipe_env(self, arch=None):
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env = super(Secp256k1Recipe, self).get_recipe_env(arch)
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libsecp256k1 = self.get_recipe('libsecp256k1', self.ctx)
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libsecp256k1_dir = libsecp256k1.get_build_dir(arch.arch)
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env['PYTHON_ROOT'] = self.ctx.get_python_install_dir()
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env['CFLAGS'] = ' -I' + join(libsecp256k1_dir, 'include')
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env['CFLAGS'] += ' -I' + env['PYTHON_ROOT'] + '/include/python2.7'
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env['LDSHARED'] = env['CC'] + \
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' -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions'
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env['LDFLAGS'] += ' -L{}'.format(libsecp256k1_dir)
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# TODO: hardcoded Python version
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env['LDFLAGS'] += " -landroid -lpython2.7 -lsecp256k1"
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return env
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recipe = Secp256k1Recipe()

‎pythonforandroid/recipes/secp256k1/cross_compile.patch

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diff --git a/setup.py b/setup.py
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index bba4bce..b86b369 100644
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--- a/setup.py
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+++ b/setup.py
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@@ -191,6 +192,7 @@ class build_clib(_build_clib):
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"--disable-dependency-tracking",
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"--with-pic",
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"--enable-module-recovery",
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+ "--host=%s" % os.environ['TOOLCHAIN_PREFIX'],
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"--prefix",
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os.path.abspath(self.build_clib),
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]

‎pythonforandroid/recipes/secp256k1/drop_setup_requires.patch

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diff --git a/setup.py b/setup.py
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index bba4bce..bfffbbc 100644
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--- a/setup.py
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+++ b/setup.py
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@@ -263,7 +263,6 @@ setup(
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author_email='lud@tutanota.com',
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license='MIT',
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- setup_requires=['cffi>=1.3.0', 'pytest-runner==2.6.2'],
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install_requires=['cffi>=1.3.0'],
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tests_require=['pytest==2.8.7'],
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