# borgbackup - main setup code (see also other setup_*.py files) import os import sys from collections import defaultdict from glob import glob try: import multiprocessing except ImportError: multiprocessing = None from distutils.command.clean import clean from setuptools.command.build_ext import build_ext from setuptools import setup, find_packages, Extension from setuptools.command.sdist import sdist try: from Cython.Build import cythonize except ImportError: cythonize = None import setup_checksums import setup_compress import setup_crypto import setup_docs is_win32 = sys.platform.startswith('win32') # How the build process finds the system libs / uses the bundled code: # # 1. it will try to use (system) libs (see 1.1. and 1.2.), # except if you use these env vars to force using the bundled code: # BORG_USE_BUNDLED_XXX undefined --> try using system lib # BORG_USE_BUNDLED_XXX=YES --> use the bundled code # Note: do not use =NO, that is not supported! # 1.1. if BORG_LIBXXX_PREFIX is set, it will use headers and libs from there. # 1.2. if not and pkg-config can locate the lib, the lib located by # pkg-config will be used. We use the pkg-config tool via the pkgconfig # python package, which must be installed before invoking setup.py. # if pkgconfig is not installed, this step is skipped. # 2. if no system lib could be located via 1.1. or 1.2., it will fall back # to using the bundled code. # OpenSSL is required as a (system) lib in any case as we do not bundle it. # Thus, only step 1.1. and 1.2. apply to openssl (but not 1. and 2.). # needed: openssl >=1.0.2 or >=1.1.0 (or compatible) system_prefix_openssl = os.environ.get('BORG_OPENSSL_PREFIX') # needed: blake2 (>= 0.98.1) prefer_system_libb2 = not bool(os.environ.get('BORG_USE_BUNDLED_B2')) system_prefix_libb2 = os.environ.get('BORG_LIBB2_PREFIX') # needed: lz4 (>= 1.7.0 / r129) prefer_system_liblz4 = not bool(os.environ.get('BORG_USE_BUNDLED_LZ4')) system_prefix_liblz4 = os.environ.get('BORG_LIBLZ4_PREFIX') # needed: zstd (>= 1.3.0) prefer_system_libzstd = not bool(os.environ.get('BORG_USE_BUNDLED_ZSTD')) system_prefix_libzstd = os.environ.get('BORG_LIBZSTD_PREFIX') prefer_system_libxxhash = not bool(os.environ.get('BORG_USE_BUNDLED_XXHASH')) system_prefix_libxxhash = os.environ.get('BORG_LIBXXHASH_PREFIX') # Number of threads to use for cythonize, not used on windows cpu_threads = multiprocessing.cpu_count() if multiprocessing else 1 # Are we building on ReadTheDocs? on_rtd = os.environ.get('READTHEDOCS') install_requires = [ # we are rather picky about msgpack versions, because a good working msgpack is # very important for borg, see: https://github.com/borgbackup/borg/issues/3753 'msgpack >=0.5.6, <=0.6.2', # Please note: # using any other version is not supported by borg development and # any feedback related to issues caused by this will be ignored. ] # note for package maintainers: if you package borgbackup for distribution, # please add llfuse as a *requirement* on all platforms that have a working # llfuse package. "borg mount" needs llfuse to work. # if you do not have llfuse, do not require it, most of borgbackup will work. extras_require = { 'fuse': [ 'llfuse >=1.3, <2.0', 'llfuse >=1.3.4, <2.0; python_version >="3.7"', ], } compress_source = 'src/borg/compress.pyx' crypto_ll_source = 'src/borg/crypto/low_level.pyx' crypto_helpers = 'src/borg/crypto/_crypto_helpers.c' chunker_source = 'src/borg/chunker.pyx' hashindex_source = 'src/borg/hashindex.pyx' item_source = 'src/borg/item.pyx' checksums_source = 'src/borg/algorithms/checksums.pyx' platform_posix_source = 'src/borg/platform/posix.pyx' platform_linux_source = 'src/borg/platform/linux.pyx' platform_syncfilerange_source = 'src/borg/platform/syncfilerange.pyx' platform_darwin_source = 'src/borg/platform/darwin.pyx' platform_freebsd_source = 'src/borg/platform/freebsd.pyx' platform_windows_source = 'src/borg/platform/windows.pyx' cython_sources = [ compress_source, crypto_ll_source, chunker_source, hashindex_source, item_source, checksums_source, platform_posix_source, platform_linux_source, platform_syncfilerange_source, platform_freebsd_source, platform_darwin_source, platform_windows_source, ] if cythonize: Sdist = sdist else: class Sdist(sdist): def __init__(self, *args, **kwargs): raise Exception('Cython is required to run sdist') cython_c_files = [fn.replace('.pyx', '.c') for fn in cython_sources] if not on_rtd and not all(os.path.exists(path) for path in cython_c_files): raise ImportError('The GIT version of Borg needs Cython. Install Cython or use a released version.') def rm(file): try: os.unlink(file) print('rm', file) except FileNotFoundError: pass class Clean(clean): def run(self): super().run() for source in cython_sources: genc = source.replace('.pyx', '.c') rm(genc) compiled_glob = source.replace('.pyx', '.cpython*') for compiled in sorted(glob(compiled_glob)): rm(compiled) cmdclass = { 'build_ext': build_ext, 'build_usage': setup_docs.build_usage, 'build_man': setup_docs.build_man, 'sdist': Sdist, 'clean': Clean, } ext_modules = [] if not on_rtd: def members_appended(*ds): result = defaultdict(list) for d in ds: for k, v in d.items(): assert isinstance(v, list) result[k].extend(v) return result try: import pkgconfig as pc except ImportError: print('Warning: can not import pkgconfig python package.') pc = None crypto_ext_kwargs = members_appended( dict(sources=[crypto_ll_source, crypto_helpers]), setup_crypto.crypto_ext_kwargs(pc, system_prefix_openssl), setup_crypto.b2_ext_kwargs(pc, prefer_system_libb2, system_prefix_libb2), ) compress_ext_kwargs = members_appended( dict(sources=[compress_source]), setup_compress.lz4_ext_kwargs(pc, prefer_system_liblz4, system_prefix_liblz4), setup_compress.zstd_ext_kwargs(pc, prefer_system_libzstd, system_prefix_libzstd, multithreaded=False, legacy=False), ) checksums_ext_kwargs = members_appended( dict(sources=[checksums_source]), setup_checksums.xxhash_ext_kwargs(pc, prefer_system_libxxhash, system_prefix_libxxhash), ) ext_modules += [ Extension('borg.crypto.low_level', **crypto_ext_kwargs), Extension('borg.compress', **compress_ext_kwargs), Extension('borg.hashindex', [hashindex_source]), Extension('borg.item', [item_source]), Extension('borg.chunker', [chunker_source]), Extension('borg.algorithms.checksums', **checksums_ext_kwargs), ] posix_ext = Extension('borg.platform.posix', [platform_posix_source]) linux_ext = Extension('borg.platform.linux', [platform_linux_source], libraries=['acl']) syncfilerange_ext = Extension('borg.platform.syncfilerange', [platform_syncfilerange_source]) freebsd_ext = Extension('borg.platform.freebsd', [platform_freebsd_source]) darwin_ext = Extension('borg.platform.darwin', [platform_darwin_source]) windows_ext = Extension('borg.platform.windows', [platform_windows_source]) if not is_win32: ext_modules.append(posix_ext) else: ext_modules.append(windows_ext) if sys.platform == 'linux': ext_modules.append(linux_ext) ext_modules.append(syncfilerange_ext) elif sys.platform.startswith('freebsd'): ext_modules.append(freebsd_ext) elif sys.platform == 'darwin': ext_modules.append(darwin_ext) # sometimes there's no need to cythonize # this breaks chained commands like 'clean sdist' cythonizing = len(sys.argv) > 1 and sys.argv[1] not in ('clean', 'egg_info', '--help-commands', '--version') \ and '--help' not in sys.argv[1:] if cythonize and cythonizing: cython_opts = dict( # default language_level will be '3str' starting from Cython 3.0.0, # but old cython versions (< 0.29) do not know that, thus we use 3 for now. compiler_directives={'language_level': 3}, ) if not is_win32: # compile .pyx extensions to .c in parallel, does not work on windows cython_opts['nthreads'] = cpu_threads + 1 # generate C code from Cython for ALL supported platforms, so we have them in the sdist. # the sdist does not require Cython at install time, so we need all as C. cythonize([posix_ext, linux_ext, syncfilerange_ext, freebsd_ext, darwin_ext, windows_ext], **cython_opts) # generate C code from Cython for THIS platform (and for all platform-independent Cython parts). ext_modules = cythonize(ext_modules, **cython_opts) setup( name='borgbackup', use_scm_version={ 'write_to': 'src/borg/_version.py', }, author='The Borg Collective (see AUTHORS file)', author_email='borgbackup@python.org', url='https://borgbackup.readthedocs.io/', description='Deduplicated, encrypted, authenticated and compressed backups', long_description=setup_docs.long_desc_from_readme(), license='BSD', platforms=['Linux', 'MacOS X', 'FreeBSD', 'OpenBSD', 'NetBSD', ], classifiers=[ 'Development Status :: 3 - Alpha', 'Environment :: Console', 'Intended Audience :: System Administrators', 'License :: OSI Approved :: BSD License', 'Operating System :: POSIX :: BSD :: FreeBSD', 'Operating System :: POSIX :: BSD :: OpenBSD', 'Operating System :: POSIX :: BSD :: NetBSD', 'Operating System :: MacOS :: MacOS X', 'Operating System :: POSIX :: Linux', 'Programming Language :: Python', 'Programming Language :: Python :: 3', 'Programming Language :: Python :: 3.5', 'Programming Language :: Python :: 3.6', 'Programming Language :: Python :: 3.7', 'Topic :: Security :: Cryptography', 'Topic :: System :: Archiving :: Backup', ], packages=find_packages('src'), package_dir={'': 'src'}, zip_safe=False, entry_points={ 'console_scripts': [ 'borg = borg.archiver:main', 'borgfs = borg.archiver:main', ] }, # See also the MANIFEST.in file. # We want to install all the files in the package directories... include_package_data=True, # ...except the source files which have been compiled (C extensions): exclude_package_data={ '': ['*.c', '*.h', '*.pyx', ], }, cmdclass=cmdclass, ext_modules=ext_modules, setup_requires=['setuptools_scm>=1.7'], install_requires=install_requires, extras_require=extras_require, python_requires='>=3.5', )