mirror of
https://github.com/borgbackup/borg.git
synced 2024-12-22 15:57:15 +00:00
666 lines
25 KiB
Python
666 lines
25 KiB
Python
# -*- encoding: utf-8 *-*
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import os
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import io
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import re
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import sys
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from collections import OrderedDict
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from datetime import datetime
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from glob import glob
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from distutils.command.build import build
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from distutils.core import Command
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import textwrap
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min_python = (3, 4)
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my_python = sys.version_info
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if my_python < min_python:
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print("Borg requires Python %d.%d or later" % min_python)
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sys.exit(1)
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# Are we building on ReadTheDocs?
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on_rtd = os.environ.get('READTHEDOCS')
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# msgpack pure python data corruption was fixed in 0.4.6.
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# Also, we might use some rather recent API features.
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install_requires = ['msgpack-python>=0.4.6', ]
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# note for package maintainers: if you package borgbackup for distribution,
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# please add llfuse as a *requirement* on all platforms that have a working
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# llfuse package. "borg mount" needs llfuse to work.
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# if you do not have llfuse, do not require it, most of borgbackup will work.
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extras_require = {
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# llfuse 0.40 (tested, proven, ok), needs FUSE version >= 2.8.0
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# llfuse 0.41 (tested shortly, looks ok), needs FUSE version >= 2.8.0
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# llfuse 0.41.1 (tested shortly, looks ok), needs FUSE version >= 2.8.0
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# llfuse 0.42 (tested shortly, looks ok), needs FUSE version >= 2.8.0
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# llfuse 1.0 (tested shortly, looks ok), needs FUSE version >= 2.8.0
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# llfuse 1.1.1 (tested shortly, looks ok), needs FUSE version >= 2.8.0
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# llfuse 2.0 will break API
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'fuse': ['llfuse<2.0', ],
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}
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if sys.platform.startswith('freebsd'):
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# llfuse was frequently broken / did not build on freebsd
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# llfuse 0.41.1, 1.1 are ok
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extras_require['fuse'] = ['llfuse <2.0, !=0.42.*, !=0.43, !=1.0', ]
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from setuptools import setup, find_packages, Extension
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from setuptools.command.sdist import sdist
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from distutils.command.clean import clean
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compress_source = 'src/borg/compress.pyx'
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crypto_ll_source = 'src/borg/crypto/low_level.pyx'
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chunker_source = 'src/borg/algorithms/chunker.pyx'
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hashindex_source = 'src/borg/hashindex.pyx'
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item_source = 'src/borg/item.pyx'
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checksums_source = 'src/borg/algorithms/checksums.pyx'
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platform_posix_source = 'src/borg/platform/posix.pyx'
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platform_linux_source = 'src/borg/platform/linux.pyx'
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platform_darwin_source = 'src/borg/platform/darwin.pyx'
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platform_freebsd_source = 'src/borg/platform/freebsd.pyx'
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cython_sources = [
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compress_source,
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crypto_ll_source,
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chunker_source,
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hashindex_source,
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item_source,
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checksums_source,
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platform_posix_source,
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platform_linux_source,
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platform_freebsd_source,
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platform_darwin_source,
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]
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try:
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from Cython.Distutils import build_ext
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import Cython.Compiler.Main as cython_compiler
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class Sdist(sdist):
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def __init__(self, *args, **kwargs):
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for src in cython_sources:
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cython_compiler.compile(src, cython_compiler.default_options)
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super().__init__(*args, **kwargs)
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def make_distribution(self):
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self.filelist.extend([
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'src/borg/compress.c',
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'src/borg/crypto/low_level.c',
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'src/borg/algorithms/chunker.c', 'src/borg/algorithms/buzhash.c',
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'src/borg/hashindex.c', 'src/borg/_hashindex.c',
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'src/borg/item.c',
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'src/borg/algorithms/checksums.c',
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'src/borg/algorithms/crc32_dispatch.c', 'src/borg/algorithms/crc32_clmul.c', 'src/borg/algorithms/crc32_slice_by_8.c',
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'src/borg/algorithms/xxh64/xxhash.h', 'src/borg/algorithms/xxh64/xxhash.c',
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'src/borg/platform/posix.c',
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'src/borg/platform/linux.c',
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'src/borg/platform/freebsd.c',
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'src/borg/platform/darwin.c',
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])
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super().make_distribution()
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except ImportError:
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class Sdist(sdist):
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def __init__(self, *args, **kwargs):
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raise Exception('Cython is required to run sdist')
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compress_source = compress_source.replace('.pyx', '.c')
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crypto_ll_source = crypto_ll_source.replace('.pyx', '.c')
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chunker_source = chunker_source.replace('.pyx', '.c')
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hashindex_source = hashindex_source.replace('.pyx', '.c')
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item_source = item_source.replace('.pyx', '.c')
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checksums_source = checksums_source.replace('.pyx', '.c')
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platform_posix_source = platform_posix_source.replace('.pyx', '.c')
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platform_linux_source = platform_linux_source.replace('.pyx', '.c')
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platform_freebsd_source = platform_freebsd_source.replace('.pyx', '.c')
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platform_darwin_source = platform_darwin_source.replace('.pyx', '.c')
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from distutils.command.build_ext import build_ext
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if not on_rtd and not all(os.path.exists(path) for path in [
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compress_source, crypto_ll_source, chunker_source, hashindex_source, item_source, checksums_source,
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platform_posix_source, platform_linux_source, platform_freebsd_source, platform_darwin_source]):
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raise ImportError('The GIT version of Borg needs Cython. Install Cython or use a released version.')
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def detect_openssl(prefixes):
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for prefix in prefixes:
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filename = os.path.join(prefix, 'include', 'openssl', 'evp.h')
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if os.path.exists(filename):
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with open(filename, 'r') as fd:
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if 'PKCS5_PBKDF2_HMAC(' in fd.read():
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return prefix
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def detect_lz4(prefixes):
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for prefix in prefixes:
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filename = os.path.join(prefix, 'include', 'lz4.h')
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if os.path.exists(filename):
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with open(filename, 'r') as fd:
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if 'LZ4_decompress_safe' in fd.read():
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return prefix
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def detect_libb2(prefixes):
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for prefix in prefixes:
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filename = os.path.join(prefix, 'include', 'blake2.h')
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if os.path.exists(filename):
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with open(filename, 'r') as fd:
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if 'blake2b_init' in fd.read():
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return prefix
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include_dirs = []
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library_dirs = []
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define_macros = []
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crypto_libraries = ['crypto']
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possible_openssl_prefixes = ['/usr', '/usr/local', '/usr/local/opt/openssl', '/usr/local/ssl', '/usr/local/openssl',
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'/usr/local/borg', '/opt/local', '/opt/pkg', ]
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if os.environ.get('BORG_OPENSSL_PREFIX'):
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possible_openssl_prefixes.insert(0, os.environ.get('BORG_OPENSSL_PREFIX'))
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ssl_prefix = detect_openssl(possible_openssl_prefixes)
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if not ssl_prefix:
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raise Exception('Unable to find OpenSSL >= 1.0 headers. (Looked here: {})'.format(', '.join(possible_openssl_prefixes)))
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include_dirs.append(os.path.join(ssl_prefix, 'include'))
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library_dirs.append(os.path.join(ssl_prefix, 'lib'))
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possible_lz4_prefixes = ['/usr', '/usr/local', '/usr/local/opt/lz4', '/usr/local/lz4',
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'/usr/local/borg', '/opt/local', '/opt/pkg', ]
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if os.environ.get('BORG_LZ4_PREFIX'):
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possible_lz4_prefixes.insert(0, os.environ.get('BORG_LZ4_PREFIX'))
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lz4_prefix = detect_lz4(possible_lz4_prefixes)
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if lz4_prefix:
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include_dirs.append(os.path.join(lz4_prefix, 'include'))
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library_dirs.append(os.path.join(lz4_prefix, 'lib'))
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elif not on_rtd:
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raise Exception('Unable to find LZ4 headers. (Looked here: {})'.format(', '.join(possible_lz4_prefixes)))
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possible_libb2_prefixes = ['/usr', '/usr/local', '/usr/local/opt/libb2', '/usr/local/libb2',
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'/usr/local/borg', '/opt/local', '/opt/pkg', ]
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if os.environ.get('BORG_LIBB2_PREFIX'):
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possible_libb2_prefixes.insert(0, os.environ.get('BORG_LIBB2_PREFIX'))
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libb2_prefix = detect_libb2(possible_libb2_prefixes)
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if libb2_prefix:
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print('Detected and preferring libb2 over bundled BLAKE2')
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include_dirs.append(os.path.join(libb2_prefix, 'include'))
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library_dirs.append(os.path.join(libb2_prefix, 'lib'))
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crypto_libraries.append('b2')
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define_macros.append(('BORG_USE_LIBB2', 'YES'))
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with open('README.rst', 'r') as fd:
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long_description = fd.read()
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# remove badges
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long_description = re.compile(r'^\.\. start-badges.*^\.\. end-badges', re.M | re.S).sub('', long_description)
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# remove |substitutions|
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long_description = re.compile(r'\|screencast\|').sub('', long_description)
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# remove unknown directives
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long_description = re.compile(r'^\.\. highlight:: \w+$', re.M).sub('', long_description)
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class build_usage(Command):
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description = "generate usage for each command"
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user_options = [
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('output=', 'O', 'output directory'),
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]
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def initialize_options(self):
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pass
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def finalize_options(self):
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pass
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def run(self):
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print('generating usage docs')
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import borg
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borg.doc_mode = 'build_man'
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if not os.path.exists('docs/usage'):
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os.mkdir('docs/usage')
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# allows us to build docs without the C modules fully loaded during help generation
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from borg.archiver import Archiver
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parser = Archiver(prog='borg').build_parser()
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self.generate_level("", parser, Archiver)
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def generate_level(self, prefix, parser, Archiver):
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is_subcommand = False
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choices = {}
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for action in parser._actions:
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if action.choices is not None and 'SubParsersAction' in str(action.__class__):
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is_subcommand = True
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for cmd, parser in action.choices.items():
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choices[prefix + cmd] = parser
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if prefix and not choices:
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return
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print('found commands: %s' % list(choices.keys()))
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for command, parser in sorted(choices.items()):
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if command.startswith('debug'):
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print('skipping', command)
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continue
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print('generating help for %s' % command)
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if self.generate_level(command + " ", parser, Archiver):
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continue
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with open('docs/usage/%s.rst.inc' % command.replace(" ", "_"), 'w') as doc:
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doc.write(".. IMPORTANT: this file is auto-generated from borg's built-in help, do not edit!\n\n")
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if command == 'help':
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for topic in Archiver.helptext:
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params = {"topic": topic,
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"underline": '~' * len('borg help ' + topic)}
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doc.write(".. _borg_{topic}:\n\n".format(**params))
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doc.write("borg help {topic}\n{underline}\n\n".format(**params))
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doc.write(Archiver.helptext[topic])
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else:
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params = {"command": command,
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"command_": command.replace(' ', '_'),
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"underline": '-' * len('borg ' + command)}
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doc.write(".. _borg_{command_}:\n\n".format(**params))
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doc.write("borg {command}\n{underline}\n::\n\n borg [common options] {command}".format(**params))
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self.write_usage(parser, doc)
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epilog = parser.epilog
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parser.epilog = None
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self.write_options(parser, doc)
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doc.write("\n\nDescription\n~~~~~~~~~~~\n")
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doc.write(epilog)
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if 'create' in choices:
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common_options = [group for group in choices['create']._action_groups if group.title == 'Common options'][0]
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with open('docs/usage/common-options.rst.inc', 'w') as doc:
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self.write_options_group(common_options, doc, False)
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return is_subcommand
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def write_usage(self, parser, fp):
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if any(len(o.option_strings) for o in parser._actions):
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fp.write(' <options>')
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for option in parser._actions:
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if option.option_strings:
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continue
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fp.write(' ' + option.metavar)
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def write_options(self, parser, fp):
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for group in parser._action_groups:
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if group.title == 'Common options':
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fp.write('\n\n`Common options`_\n')
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fp.write(' |')
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else:
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self.write_options_group(group, fp)
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def write_options_group(self, group, fp, with_title=True):
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def is_positional_group(group):
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return any(not o.option_strings for o in group._group_actions)
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def get_help(option):
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text = textwrap.dedent((option.help or '') % option.__dict__)
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return '\n'.join('| ' + line for line in text.splitlines())
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def shipout(text):
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fp.write(textwrap.indent('\n'.join(text), ' ' * 4))
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if not group._group_actions:
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return
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if with_title:
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fp.write('\n\n')
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fp.write(group.title + '\n')
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text = []
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if is_positional_group(group):
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for option in group._group_actions:
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text.append(option.metavar)
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text.append(textwrap.indent(option.help or '', ' ' * 4))
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shipout(text)
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return
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options = []
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for option in group._group_actions:
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if option.metavar:
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option_fmt = '``%%s %s``' % option.metavar
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else:
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option_fmt = '``%s``'
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option_str = ', '.join(option_fmt % s for s in option.option_strings)
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options.append((option_str, option))
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for option_str, option in options:
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help = textwrap.indent(get_help(option), ' ' * 4)
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text.append(option_str)
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text.append(help)
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shipout(text)
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class build_man(Command):
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description = 'build man pages'
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user_options = []
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see_also = {
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'create': ('delete', 'prune', 'check', 'patterns', 'placeholders', 'compression'),
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'recreate': ('patterns', 'placeholders', 'compression'),
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'list': ('info', 'diff', 'prune', 'patterns'),
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'info': ('list', 'diff'),
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'init': ('create', 'delete', 'check', 'list', 'key-import', 'key-export', 'key-change-passphrase'),
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'key-import': ('key-export', ),
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'key-export': ('key-import', ),
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'mount': ('umount', 'extract'), # Would be cooler if these two were on the same page
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'umount': ('mount', ),
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'extract': ('mount', ),
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}
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rst_prelude = textwrap.dedent("""
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.. role:: ref(title)
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.. |project_name| replace:: Borg
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""")
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def initialize_options(self):
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pass
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def finalize_options(self):
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pass
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def run(self):
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print('building man pages (in docs/man)', file=sys.stderr)
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import borg
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borg.doc_mode = 'build_man'
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os.makedirs('docs/man', exist_ok=True)
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# allows us to build docs without the C modules fully loaded during help generation
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from borg.archiver import Archiver
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parser = Archiver(prog='borg').build_parser()
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self.generate_level('', parser, Archiver)
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self.build_topic_pages(Archiver)
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self.build_intro_page()
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def generate_level(self, prefix, parser, Archiver):
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is_subcommand = False
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choices = {}
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for action in parser._actions:
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if action.choices is not None and 'SubParsersAction' in str(action.__class__):
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is_subcommand = True
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for cmd, parser in action.choices.items():
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choices[prefix + cmd] = parser
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if prefix and not choices:
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return
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for command, parser in sorted(choices.items()):
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if command.startswith('debug') or command == 'help':
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continue
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man_title = 'borg-' + command.replace(' ', '-')
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print('building man page', man_title + '(1)', file=sys.stderr)
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is_intermediary = self.generate_level(command + ' ', parser, Archiver)
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doc, write = self.new_doc()
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self.write_man_header(write, man_title, parser.description)
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self.write_heading(write, 'SYNOPSIS')
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if is_intermediary:
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subparsers = [action for action in parser._actions if 'SubParsersAction' in str(action.__class__)][0]
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for subcommand in subparsers.choices:
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write('| borg', '[common options]', command, subcommand, '...')
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self.see_also.setdefault(command, []).append('%s-%s' % (command, subcommand))
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else:
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write('borg', '[common options]', command, end='')
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self.write_usage(write, parser)
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write('\n')
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description, _, notes = parser.epilog.partition('\n.. man NOTES')
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if description:
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self.write_heading(write, 'DESCRIPTION')
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write(description)
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if not is_intermediary:
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self.write_heading(write, 'OPTIONS')
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write('See `borg-common(1)` for common options of Borg commands.')
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write()
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self.write_options(write, parser)
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self.write_examples(write, command)
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if notes:
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self.write_heading(write, 'NOTES')
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write(notes)
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self.write_see_also(write, man_title)
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self.gen_man_page(man_title, doc.getvalue())
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# Generate the borg-common(1) man page with the common options.
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if 'create' in choices:
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doc, write = self.new_doc()
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man_title = 'borg-common'
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self.write_man_header(write, man_title, 'Common options of Borg commands')
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common_options = [group for group in choices['create']._action_groups if group.title == 'Common options'][0]
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self.write_heading(write, 'SYNOPSIS')
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self.write_options_group(write, common_options)
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self.write_see_also(write, man_title)
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self.gen_man_page(man_title, doc.getvalue())
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return is_subcommand
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def build_topic_pages(self, Archiver):
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for topic, text in Archiver.helptext.items():
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doc, write = self.new_doc()
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man_title = 'borg-' + topic
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print('building man page', man_title + '(1)', file=sys.stderr)
|
|
|
|
self.write_man_header(write, man_title, 'Details regarding ' + topic)
|
|
self.write_heading(write, 'DESCRIPTION')
|
|
write(text)
|
|
self.gen_man_page(man_title, doc.getvalue())
|
|
|
|
def build_intro_page(self):
|
|
print('building man page borg(1)', file=sys.stderr)
|
|
with open('docs/man_intro.rst') as fd:
|
|
man_intro = fd.read()
|
|
self.gen_man_page('borg', self.rst_prelude + man_intro)
|
|
|
|
def new_doc(self):
|
|
doc = io.StringIO(self.rst_prelude)
|
|
doc.read()
|
|
write = self.printer(doc)
|
|
return doc, write
|
|
|
|
def printer(self, fd):
|
|
def write(*args, **kwargs):
|
|
print(*args, file=fd, **kwargs)
|
|
return write
|
|
|
|
def write_heading(self, write, header, char='-', double_sided=False):
|
|
write()
|
|
if double_sided:
|
|
write(char * len(header))
|
|
write(header)
|
|
write(char * len(header))
|
|
write()
|
|
|
|
def write_man_header(self, write, title, description):
|
|
self.write_heading(write, title, '=', double_sided=True)
|
|
self.write_heading(write, description, double_sided=True)
|
|
# man page metadata
|
|
write(':Author: The Borg Collective')
|
|
write(':Date:', datetime.utcnow().date().isoformat())
|
|
write(':Manual section: 1')
|
|
write(':Manual group: borg backup tool')
|
|
write()
|
|
|
|
def write_examples(self, write, command):
|
|
with open('docs/usage.rst') as fd:
|
|
usage = fd.read()
|
|
usage_include = '.. include:: usage/%s.rst.inc' % command
|
|
begin = usage.find(usage_include)
|
|
end = usage.find('.. include', begin + 1)
|
|
examples = usage[begin:end]
|
|
examples = examples.replace(usage_include, '')
|
|
examples = examples.replace('Examples\n~~~~~~~~', '')
|
|
examples = examples.replace('Miscellaneous Help\n------------------', '')
|
|
examples = re.sub('^(~+)$', lambda matches: '+' * len(matches.group(0)), examples, flags=re.MULTILINE)
|
|
examples = examples.strip()
|
|
if examples:
|
|
self.write_heading(write, 'EXAMPLES', '-')
|
|
write(examples)
|
|
|
|
def write_see_also(self, write, man_title):
|
|
see_also = self.see_also.get(man_title.replace('borg-', ''), ())
|
|
see_also = ['`borg-%s(1)`' % s for s in see_also]
|
|
see_also.insert(0, '`borg-common(1)`')
|
|
self.write_heading(write, 'SEE ALSO')
|
|
write(', '.join(see_also))
|
|
|
|
def gen_man_page(self, name, rst):
|
|
from docutils.writers import manpage
|
|
from docutils.core import publish_string
|
|
# We give the source_path so that docutils can find relative includes
|
|
# as-if the document where located in the docs/ directory.
|
|
man_page = publish_string(source=rst, source_path='docs/virtmanpage.rst', writer=manpage.Writer())
|
|
with open('docs/man/%s.1' % name, 'wb') as fd:
|
|
fd.write(man_page)
|
|
|
|
def write_usage(self, write, parser):
|
|
if any(len(o.option_strings) for o in parser._actions):
|
|
write(' <options> ', end='')
|
|
for option in parser._actions:
|
|
if option.option_strings:
|
|
continue
|
|
write(option.metavar, end=' ')
|
|
|
|
def write_options(self, write, parser):
|
|
for group in parser._action_groups:
|
|
if group.title == 'Common options' or not group._group_actions:
|
|
continue
|
|
title = 'arguments' if group.title == 'positional arguments' else group.title
|
|
self.write_heading(write, title, '+')
|
|
self.write_options_group(write, group)
|
|
|
|
def write_options_group(self, write, group):
|
|
def is_positional_group(group):
|
|
return any(not o.option_strings for o in group._group_actions)
|
|
|
|
if is_positional_group(group):
|
|
for option in group._group_actions:
|
|
write(option.metavar)
|
|
write(textwrap.indent(option.help or '', ' ' * 4))
|
|
return
|
|
|
|
opts = OrderedDict()
|
|
|
|
for option in group._group_actions:
|
|
if option.metavar:
|
|
option_fmt = '%s ' + option.metavar
|
|
else:
|
|
option_fmt = '%s'
|
|
option_str = ', '.join(option_fmt % s for s in option.option_strings)
|
|
option_desc = textwrap.dedent((option.help or '') % option.__dict__)
|
|
opts[option_str] = textwrap.indent(option_desc, ' ' * 4)
|
|
|
|
padding = len(max(opts)) + 1
|
|
|
|
for option, desc in opts.items():
|
|
write(option.ljust(padding), desc)
|
|
|
|
|
|
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': build_usage,
|
|
'build_man': build_man,
|
|
'sdist': Sdist,
|
|
'clean': Clean,
|
|
}
|
|
|
|
ext_modules = []
|
|
if not on_rtd:
|
|
ext_modules += [
|
|
Extension('borg.compress', [compress_source], libraries=['lz4'], include_dirs=include_dirs, library_dirs=library_dirs, define_macros=define_macros),
|
|
Extension('borg.crypto.low_level', [crypto_ll_source], libraries=crypto_libraries, include_dirs=include_dirs, library_dirs=library_dirs, define_macros=define_macros),
|
|
Extension('borg.hashindex', [hashindex_source]),
|
|
Extension('borg.item', [item_source]),
|
|
Extension('borg.algorithms.chunker', [chunker_source]),
|
|
Extension('borg.algorithms.checksums', [checksums_source]),
|
|
]
|
|
if not sys.platform.startswith(('win32', )):
|
|
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',
|
|
'Programming Language :: Python :: 3.6',
|
|
'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',
|
|
]
|
|
},
|
|
package_data={
|
|
'borg': ['paperkey.html']
|
|
},
|
|
cmdclass=cmdclass,
|
|
ext_modules=ext_modules,
|
|
setup_requires=['setuptools_scm>=1.7'],
|
|
install_requires=install_requires,
|
|
extras_require=extras_require,
|
|
)
|