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setup.py
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setup.py
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"""setuptools config for wallycore """
from setuptools import setup, Extension
import copy, os, platform, shutil, subprocess, sys
import distutils.sysconfig
def _msg(s):
print(s + '\n', file=sys.stderr)
ABS_PATH = os.path.dirname(os.path.abspath(__file__)) + '/'
CONFIGURE_ENV = copy.deepcopy(os.environ)
DISTUTILS_ENV = distutils.sysconfig.get_config_vars()
IS_WINDOWS = platform.system() == "Windows"
ARCH_FLAGS = os.environ.get('ARCHFLAGS', '').split()
USE_LIB = os.environ.get('WALLY_ABI_PY_WHEEL_USE_LIB', 'no')
if USE_LIB not in ('no', 'static', 'shared'):
_msg('Warning: WALLY_ABI_PY_WHEEL_USE_LIB has unsupported value; assuming "no".')
USE_LIB = 'no'
if USE_LIB != 'no' and IS_WINDOWS:
_msg('Error: WALLY_ABI_PY_WHEEL_USE_LIB is unsupported on Windows.')
sys.exit(1)
if USE_LIB != 'shared' and (os.path.exists('src/.libs/libwallycore.so') or
os.path.exists('src/.libs/libwallycore.dylib')):
_msg('Warning: libwallycore shared library has been found, but Python module will not\n'
'use it. Set WALLY_ABI_PY_WHEEL_USE_LIB=shared to link with the shared library.')
elif USE_LIB != 'static' and os.path.exists('src/.libs/libwallycore.a'):
_msg('Warning: libwallycore static library has been found, but Python module will not\n'
'use it. Set WALLY_ABI_PY_WHEEL_USE_LIB=static to link with the static library.')
def _get_system_pkg(name, default_pkg):
pkg = os.environ.get('WALLY_ABI_PY_WHEEL_USE_PKG_' + name, '')
if pkg.lower() in ('0', 'n', 'no', 'f', 'false', 'off'):
return ''
if pkg.lower() in ('1', 'y', 'yes', 't', 'true', 'on'):
return default_pkg
return pkg
PKG_SECP256K1 = _get_system_pkg('SECP256K1', 'libsecp256k1_zkp')
if PKG_SECP256K1 and USE_LIB == 'no':
_msg('Warning: WALLY_ABI_PY_WHEEL_USE_PKG_SECP256K1 has no effect when'
'\nWALLY_ABI_PY_WHEEL_USE_LIB=no or is unset.')
PKG_SECP256K1 = ''
if PKG_SECP256K1:
try:
import pkgconfig
except ImportError:
_msg('Error: WALLY_ABI_PY_WHEEL_USE_PKG_SECP256K1 requires the pkgconfig Python module.')
sys.exit(127)
def _call(args, cwd=ABS_PATH):
subprocess.check_call(args, cwd=cwd, env=CONFIGURE_ENV)
if (USE_LIB == 'no' or not PKG_SECP256K1) and not os.path.exists('src/secp256k1/Makefile.am'):
# Sync libsecp256k1-zkp (only if needed)
_call(['git', 'submodule', 'init'])
_call(['git', 'submodule', 'sync', '--recursive'])
_call(['git', 'submodule', 'update', '--init', '--recursive'])
CONFIGURE_ARGS = [
'--with-pic', '--enable-swig-python', '--enable-python-manylinux',
'--disable-swig-java', '--disable-tests', '--disable-dependency-tracking'
]
if USE_LIB == 'shared':
CONFIGURE_ARGS += ['--enable-shared', '--disable-static']
else:
CONFIGURE_ARGS += ['--disable-shared', '--enable-static']
if PKG_SECP256K1:
CONFIGURE_ARGS += ['--with-system-secp256k1=' + PKG_SECP256K1]
archs = []
while ARCH_FLAGS:
if ARCH_FLAGS[0] == '-arch':
archs.append(ARCH_FLAGS[1])
ARCH_FLAGS.pop(0)
ARCH_FLAGS.pop(0)
if os.environ.get('GITHUB_ACTION') and os.environ.get('RUNNER_OS') == 'macOS':
# Github CI build on an macOS box
is_x86 = os.environ.get('RUNNER_ARCH', '') == 'X64'
is_native = not archs or (len(archs) == 1 and (is_x86 == (archs[0] == 'x86_64')))
# TODO: Enable builds on M1 macs once github supports them
if is_x86 and not is_native:
# We are cross-compiling or compiling a univeral2 binary.
# Configure our source code as a cross compile to make the build work
CONFIGURE_ARGS += ['--host', 'x86_64-apple-darwin']
arch = 'universal2' if len(archs) > 1 else archs[0]
CONFIGURE_ARGS += ['--target', '{}-apple-macos'.format(arch)]
if len(archs) > 1:
CONFIGURE_ARGS += ['--with-asm=no']
if 'PY_CFLAGS' in DISTUTILS_ENV:
CONFIGURE_ENV['CFLAGS'] = DISTUTILS_ENV['PY_CFLAGS']
CONFIGURE_ENV['LDFLAGS'] = DISTUTILS_ENV['PY_LDFLAGS']
if not IS_WINDOWS and (USE_LIB == 'no' or not os.path.exists('src/Makefile')):
# Run the autotools/make build up front to generate our sources,
# then build using the standard Python ext module machinery.
# (Windows requires source generation to be done separately).
_call(['./tools/cleanup.sh'])
_call(['./tools/autogen.sh'])
_call(['./configure'] + CONFIGURE_ARGS)
if USE_LIB == 'no':
_call(['make', 'swig_python/swig_python_wrap.c'], ABS_PATH + 'src/')
else:
_call(['make'])
define_macros = [
('SWIG_PYTHON_BUILD', None),
('WALLY_CORE_BUILD', None),
('BUILD_ELEMENTS', None),
]
include_dirs = [
'./',
'./src',
]
library_dirs = []
libraries = []
sources = ['src/swig_python/swig_python_wrap.c']
if USE_LIB == 'no':
# Compile the amalgamated sources to build the wheel (default)
include_dirs += [
'./src/ccan',
'./src/secp256k1/include',
]
sources += [
'src/amalgamation/combined.c',
'src/amalgamation/combined_ccan.c',
'src/amalgamation/combined_ccan2.c',
]
else:
# Compile the swig python wrapper file and link it with wally/secp
# to build the wheel.
if PKG_SECP256K1:
# Link with a system installed secp
secp256k1 = pkgconfig.parse(PKG_SECP256K1)
include_dirs += secp256k1['include_dirs']
else:
# Link with the in-tree secp256k1-zkp
include_dirs += ['./src/secp256k1/include']
library_dirs += ['src/.libs']
libraries += ['wallycore']
if USE_LIB == 'static':
if PKG_SECP256K1:
library_dirs += secp256k1['library_dirs']
libraries += secp256k1['libraries']
else:
library_dirs += ['src/secp256k1/.libs']
libraries += ['secp256k1']
if IS_WINDOWS:
include_dirs = ['./src/amalgamation/windows_config'] + include_dirs
extra_compile_args = []
else:
extra_compile_args = ['-flax-vector-conversions']
wally_ext = Extension(
'_wallycore',
define_macros=define_macros,
include_dirs=include_dirs,
library_dirs=library_dirs,
libraries=libraries,
extra_compile_args=extra_compile_args,
sources=sources,
)
kwargs = {
'name': 'wallycore',
'version': '1.2.0',
'description': 'libwally Bitcoin library',
'long_description': 'Python bindings for the libwally Bitcoin library',
'url': 'https://github.com/ElementsProject/libwally-core',
'author': 'Jon Griffiths',
'author_email': 'jon_p_griffiths@yahoo.com',
'license': 'MIT',
'zip_safe': False,
'classifiers': [
'Development Status :: 5 - Production/Stable',
'Intended Audience :: Developers',
'Topic :: Software Development :: Libraries',
'License :: OSI Approved :: MIT License',
'Programming Language :: Python :: 3',
],
'keywords': 'Bitcoin wallet BIP32 BIP38 BIP39 secp256k1 Blockstream Liquid Elements',
'project_urls': {
'Documentation': 'https://wally.readthedocs.io/en/latest',
'Source': 'https://github.com/ElementsProject/libwally-core',
'Tracker': 'https://github.com/ElementsProject/libwally-core/issues',
},
'packages': ['wallycore'],
'package_dir': {'': 'src/swig_python'},
'py_modules': ['wallycore'],
'ext_modules': [wally_ext]
}
setup(**kwargs)