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borg/setup.py

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# -*- encoding: utf-8 *-*
import os
import re
import sys
from glob import glob
from distutils.command.build import build
from distutils.core import Command
import textwrap
min_python = (3, 4)
my_python = sys.version_info
if my_python < min_python:
print("Borg requires Python %d.%d or later" % min_python)
sys.exit(1)
# Are we building on ReadTheDocs?
on_rtd = os.environ.get('READTHEDOCS')
# msgpack pure python data corruption was fixed in 0.4.6.
# Also, we might use some rather recent API features.
install_requires = ['msgpack-python>=0.4.6', ]
extras_require = {
# llfuse 0.40 (tested, proven, ok), needs FUSE version >= 2.8.0
# llfuse 0.41 (tested shortly, looks ok), needs FUSE version >= 2.8.0
# llfuse 0.41.1 (tested shortly, looks ok), needs FUSE version >= 2.8.0
# llfuse 0.42 (tested shortly, looks ok), needs FUSE version >= 2.8.0
# llfuse 1.0 (tested shortly, looks ok), needs FUSE version >= 2.8.0
# llfuse 2.0 will break API
'fuse': ['llfuse<2.0', ],
}
if sys.platform.startswith('freebsd'):
# llfuse was frequently broken / did not build on freebsd
# llfuse 0.41.1, 1.1 are ok
extras_require['fuse'] = ['llfuse <2.0, !=0.42.*, !=0.43, !=1.0', ]
from setuptools import setup, find_packages, Extension
from setuptools.command.sdist import sdist
compress_source = 'src/borg/compress.pyx'
crypto_source = 'src/borg/crypto.pyx'
chunker_source = 'src/borg/chunker.pyx'
hashindex_source = 'src/borg/hashindex.pyx'
platform_posix_source = 'src/borg/platform/posix.pyx'
platform_linux_source = 'src/borg/platform/linux.pyx'
platform_darwin_source = 'src/borg/platform/darwin.pyx'
platform_freebsd_source = 'src/borg/platform/freebsd.pyx'
cython_sources = [
compress_source,
crypto_source,
chunker_source,
hashindex_source,
platform_posix_source,
platform_linux_source,
platform_freebsd_source,
platform_darwin_source,
]
try:
from Cython.Distutils import build_ext
import Cython.Compiler.Main as cython_compiler
class Sdist(sdist):
def __init__(self, *args, **kwargs):
for src in cython_sources:
cython_compiler.compile(src, cython_compiler.default_options)
super().__init__(*args, **kwargs)
def make_distribution(self):
self.filelist.extend([
'src/borg/compress.c',
'src/borg/crypto.c',
'src/borg/chunker.c', 'src/borg/_chunker.c',
'src/borg/hashindex.c', 'src/borg/_hashindex.c',
'src/borg/platform/posix.c',
'src/borg/platform/linux.c',
'src/borg/platform/freebsd.c',
'src/borg/platform/darwin.c',
])
super().make_distribution()
except ImportError:
class Sdist(sdist):
def __init__(self, *args, **kwargs):
raise Exception('Cython is required to run sdist')
compress_source = compress_source.replace('.pyx', '.c')
crypto_source = crypto_source.replace('.pyx', '.c')
chunker_source = chunker_source.replace('.pyx', '.c')
hashindex_source = hashindex_source.replace('.pyx', '.c')
platform_posix_source = platform_posix_source.replace('.pyx', '.c')
platform_linux_source = platform_linux_source.replace('.pyx', '.c')
platform_freebsd_source = platform_freebsd_source.replace('.pyx', '.c')
platform_darwin_source = platform_darwin_source.replace('.pyx', '.c')
from distutils.command.build_ext import build_ext
if not on_rtd and not all(os.path.exists(path) for path in [
compress_source, crypto_source, chunker_source, hashindex_source,
platform_posix_source, platform_linux_source, platform_freebsd_source, platform_darwin_source]):
raise ImportError('The GIT version of Borg needs Cython. Install Cython or use a released version.')
def detect_openssl(prefixes):
for prefix in prefixes:
filename = os.path.join(prefix, 'include', 'openssl', 'evp.h')
if os.path.exists(filename):
with open(filename, 'r') as fd:
if 'PKCS5_PBKDF2_HMAC(' in fd.read():
return prefix
def detect_lz4(prefixes):
for prefix in prefixes:
filename = os.path.join(prefix, 'include', 'lz4.h')
if os.path.exists(filename):
with open(filename, 'r') as fd:
if 'LZ4_decompress_safe' in fd.read():
return prefix
include_dirs = []
library_dirs = []
possible_openssl_prefixes = ['/usr', '/usr/local', '/usr/local/opt/openssl', '/usr/local/ssl', '/usr/local/openssl',
'/usr/local/borg', '/opt/local', '/opt/pkg', ]
if os.environ.get('BORG_OPENSSL_PREFIX'):
possible_openssl_prefixes.insert(0, os.environ.get('BORG_OPENSSL_PREFIX'))
ssl_prefix = detect_openssl(possible_openssl_prefixes)
if not ssl_prefix:
raise Exception('Unable to find OpenSSL >= 1.0 headers. (Looked here: {})'.format(', '.join(possible_openssl_prefixes)))
include_dirs.append(os.path.join(ssl_prefix, 'include'))
library_dirs.append(os.path.join(ssl_prefix, 'lib'))
possible_lz4_prefixes = ['/usr', '/usr/local', '/usr/local/opt/lz4', '/usr/local/lz4',
'/usr/local/borg', '/opt/local', '/opt/pkg', ]
if os.environ.get('BORG_LZ4_PREFIX'):
possible_lz4_prefixes.insert(0, os.environ.get('BORG_LZ4_PREFIX'))
lz4_prefix = detect_lz4(possible_lz4_prefixes)
if lz4_prefix:
include_dirs.append(os.path.join(lz4_prefix, 'include'))
library_dirs.append(os.path.join(lz4_prefix, 'lib'))
elif not on_rtd:
raise Exception('Unable to find LZ4 headers. (Looked here: {})'.format(', '.join(possible_lz4_prefixes)))
with open('README.rst', 'r') as fd:
long_description = fd.read()
class build_usage(Command):
description = "generate usage for each command"
user_options = [
('output=', 'O', 'output directory'),
]
def initialize_options(self):
pass
def finalize_options(self):
pass
def run(self):
print('generating usage docs')
if not os.path.exists('docs/usage'):
os.mkdir('docs/usage')
# allows us to build docs without the C modules fully loaded during help generation
from borg.archiver import Archiver
parser = Archiver(prog='borg').parser
self.generate_level("", parser, Archiver)
def generate_level(self, prefix, parser, Archiver):
is_subcommand = False
choices = {}
for action in parser._actions:
if action.choices is not None and 'SubParsersAction' in str(action.__class__):
is_subcommand = True
for cmd, parser in action.choices.items():
choices[prefix + cmd] = parser
if prefix and not choices:
return
print('found commands: %s' % list(choices.keys()))
for command, parser in choices.items():
print('generating help for %s' % command)
if self.generate_level(command + " ", parser, Archiver):
break
with open('docs/usage/%s.rst.inc' % command.replace(" ", "_"), 'w') as doc:
doc.write(".. IMPORTANT: this file is auto-generated from borg's built-in help, do not edit!\n\n")
if command == 'help':
for topic in Archiver.helptext:
params = {"topic": topic,
"underline": '~' * len('borg help ' + topic)}
doc.write(".. _borg_{topic}:\n\n".format(**params))
doc.write("borg help {topic}\n{underline}\n\n".format(**params))
doc.write(Archiver.helptext[topic])
else:
params = {"command": command,
"command_": command.replace(' ', '_'),
"underline": '-' * len('borg ' + command)}
doc.write(".. _borg_{command_}:\n\n".format(**params))
doc.write("borg {command}\n{underline}\n::\n\n borg {command}".format(**params))
self.write_usage(parser, doc)
epilog = parser.epilog
parser.epilog = None
self.write_options(parser, doc)
doc.write("\n\nDescription\n~~~~~~~~~~~\n")
doc.write(epilog)
if 'create' in choices:
common_options = [group for group in choices['create']._action_groups if group.title == 'Common options'][0]
with open('docs/usage/common-options.rst.inc', 'w') as doc:
self.write_options_group(common_options, doc, False)
return is_subcommand
def write_usage(self, parser, fp):
if any(len(o.option_strings) for o in parser._actions):
fp.write(' <options>')
for option in parser._actions:
if option.option_strings:
continue
fp.write(' ' + option.metavar)
def write_options(self, parser, fp):
for group in parser._action_groups:
if group.title == 'Common options':
fp.write('\n\n`Common options`_\n')
fp.write(' |')
else:
self.write_options_group(group, fp)
def write_options_group(self, group, fp, with_title=True):
def is_positional_group(group):
return any(not o.option_strings for o in group._group_actions)
def get_help(option):
text = textwrap.dedent((option.help or '') % option.__dict__)
return '\n'.join('| ' + line for line in text.splitlines())
def shipout(text):
fp.write(textwrap.indent('\n'.join(text), ' ' * 4))
if not group._group_actions:
return
if with_title:
fp.write('\n\n')
fp.write(group.title + '\n')
text = []
if is_positional_group(group):
for option in group._group_actions:
text.append(option.metavar)
text.append(textwrap.indent(option.help or '', ' ' * 4))
shipout(text)
return
options = []
for option in group._group_actions:
if option.metavar:
option_fmt = '``%%s %s``' % option.metavar
else:
option_fmt = '``%s``'
option_str = ', '.join(option_fmt % s for s in option.option_strings)
options.append((option_str, option))
for option_str, option in options:
help = textwrap.indent(get_help(option), ' ' * 4)
text.append(option_str)
text.append(help)
shipout(text)
class build_api(Command):
description = "generate a basic api.rst file based on the modules available"
user_options = [
('output=', 'O', 'output directory'),
]
def initialize_options(self):
pass
def finalize_options(self):
pass
def run(self):
print("auto-generating API documentation")
with open("docs/api.rst", "w") as doc:
doc.write("""
API Documentation
=================
""")
for mod in glob('src/borg/*.py') + glob('src/borg/*.pyx'):
print("examining module %s" % mod)
mod = mod.replace('.pyx', '').replace('.py', '').replace('/', '.')
if "._" not in mod:
doc.write("""
.. automodule:: %s
:members:
:undoc-members:
""" % mod)
cmdclass = {
'build_ext': build_ext,
'build_api': build_api,
'build_usage': build_usage,
'sdist': Sdist
}
ext_modules = []
if not on_rtd:
ext_modules += [
Extension('borg.compress', [compress_source], libraries=['lz4'], include_dirs=include_dirs, library_dirs=library_dirs),
Extension('borg.crypto', [crypto_source], libraries=['crypto'], include_dirs=include_dirs, library_dirs=library_dirs),
Extension('borg.chunker', [chunker_source]),
Extension('borg.hashindex', [hashindex_source])
]
if sys.platform.startswith(('linux', 'freebsd', 'darwin')):
ext_modules.append(Extension('borg.platform.posix', [platform_posix_source]))
if sys.platform == 'linux':
ext_modules.append(Extension('borg.platform.linux', [platform_linux_source], libraries=['acl']))
elif sys.platform.startswith('freebsd'):
ext_modules.append(Extension('borg.platform.freebsd', [platform_freebsd_source]))
elif sys.platform == 'darwin':
ext_modules.append(Extension('borg.platform.darwin', [platform_darwin_source]))
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=long_description,
license='BSD',
platforms=['Linux', 'MacOS X', 'FreeBSD', 'OpenBSD', 'NetBSD', ],
classifiers=[
'Development Status :: 4 - Beta',
'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 :: 3.4',
'Programming Language :: Python :: 3.5',
'Topic :: Security :: Cryptography',
'Topic :: System :: Archiving :: Backup',
],
packages=find_packages('src'),
package_dir={'': 'src'},
include_package_data=True,
zip_safe=False,
entry_points={
'console_scripts': [
'borg = borg.archiver:main',
'borgfs = borg.archiver:main',
]
},
cmdclass=cmdclass,
ext_modules=ext_modules,
setup_requires=['setuptools_scm>=1.7'],
install_requires=install_requires,
extras_require=extras_require,
)
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