mirror of
https://github.com/borgbackup/borg.git
synced 2024-12-23 08:16:54 +00:00
351 lines
13 KiB
Python
351 lines
13 KiB
Python
# -*- encoding: utf-8 *-*
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import os
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import re
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import sys
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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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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 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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# while llfuse 1.0 is the latest llfuse release right now,
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# llfuse 0.41.1 is the latest release that actually builds on freebsd:
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extras_require['fuse'] = ['llfuse==0.41.1', ]
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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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compress_source = 'src/borg/compress.pyx'
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crypto_source = 'src/borg/crypto.pyx'
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chunker_source = 'src/borg/chunker.pyx'
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hashindex_source = 'src/borg/hashindex.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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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 glob('src/borg/*.pyx'):
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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.c',
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'src/borg/chunker.c', 'src/borg/_chunker.c',
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'src/borg/hashindex.c', 'src/borg/_hashindex.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_source = crypto_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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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_source, chunker_source, hashindex_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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include_dirs = []
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library_dirs = []
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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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with open('README.rst', 'r') as fd:
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long_description = fd.read()
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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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# 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').parser
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choices = {}
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for action in parser._actions:
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if action.choices is not None:
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choices.update(action.choices)
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print('found commands: %s' % list(choices.keys()))
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if not os.path.exists('docs/usage'):
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os.mkdir('docs/usage')
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for command, parser in choices.items():
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print('generating help for %s' % command)
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with open('docs/usage/%s.rst.inc' % command, 'w') as doc:
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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\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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"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 {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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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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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_api(Command):
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description = "generate a basic api.rst file based on the modules available"
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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("auto-generating API documentation")
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with open("docs/api.rst", "w") as doc:
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doc.write("""
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API Documentation
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=================
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""")
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for mod in glob('src/borg/*.py') + glob('src/borg/*.pyx'):
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print("examining module %s" % mod)
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mod = mod.replace('.pyx', '').replace('.py', '').replace('/', '.')
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if "._" not in mod:
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doc.write("""
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.. automodule:: %s
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:members:
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:undoc-members:
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""" % mod)
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cmdclass = {
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'build_ext': build_ext,
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'build_api': build_api,
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'build_usage': build_usage,
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'sdist': Sdist
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}
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ext_modules = []
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if not on_rtd:
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ext_modules += [
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Extension('borg.compress', [compress_source], libraries=['lz4'], include_dirs=include_dirs, library_dirs=library_dirs),
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Extension('borg.crypto', [crypto_source], libraries=['crypto'], include_dirs=include_dirs, library_dirs=library_dirs),
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Extension('borg.chunker', [chunker_source]),
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Extension('borg.hashindex', [hashindex_source])
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]
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if sys.platform.startswith(('linux', 'freebsd', 'darwin')):
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ext_modules.append(Extension('borg.platform_posix', [platform_posix_source]))
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if sys.platform == 'linux':
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ext_modules.append(Extension('borg.platform_linux', [platform_linux_source], libraries=['acl']))
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elif sys.platform.startswith('freebsd'):
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ext_modules.append(Extension('borg.platform_freebsd', [platform_freebsd_source]))
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elif sys.platform == 'darwin':
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ext_modules.append(Extension('borg.platform_darwin', [platform_darwin_source]))
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setup(
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name='borgbackup',
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use_scm_version={
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'write_to': 'src/borg/_version.py',
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},
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author='The Borg Collective (see AUTHORS file)',
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author_email='borgbackup@python.org',
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url='https://borgbackup.readthedocs.io/',
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description='Deduplicated, encrypted, authenticated and compressed backups',
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long_description=long_description,
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license='BSD',
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platforms=['Linux', 'MacOS X', 'FreeBSD', 'OpenBSD', 'NetBSD', ],
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classifiers=[
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'Development Status :: 4 - Beta',
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'Environment :: Console',
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'Intended Audience :: System Administrators',
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'License :: OSI Approved :: BSD License',
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'Operating System :: POSIX :: BSD :: FreeBSD',
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'Operating System :: POSIX :: BSD :: OpenBSD',
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'Operating System :: POSIX :: BSD :: NetBSD',
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'Operating System :: MacOS :: MacOS X',
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'Operating System :: POSIX :: Linux',
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'Programming Language :: Python',
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'Programming Language :: Python :: 3',
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'Programming Language :: Python :: 3.4',
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'Programming Language :: Python :: 3.5',
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'Topic :: Security :: Cryptography',
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'Topic :: System :: Archiving :: Backup',
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],
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packages=find_packages('src'),
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package_dir={'': 'src'},
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include_package_data=True,
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zip_safe=False,
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entry_points={
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'console_scripts': [
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'borg = borg.archiver:main',
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'borgfs = borg.archiver:main',
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]
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},
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cmdclass=cmdclass,
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ext_modules=ext_modules,
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setup_requires=['setuptools_scm>=1.7'],
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install_requires=install_requires,
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extras_require=extras_require,
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)
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