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#!/usr/bin/python
"""Default settings"""
from __future__ import print_function
import argparse
import os
import sys
if sys.hexversion < 0x3000000:
from io import open
import re
import glob
import portage
from portage import _encodings, _unicode_encode
if sys.version_info[0] >= 3:
_unicode = str
else:
_unicode = unicode # noqa
portage_root = _unicode(portage.root)
DEFAULTS = {
'DEFAULT_LD_FILE': os.path.join(portage_root, 'etc/ld.so.conf'),
'DEFAULT_ENV_FILE': os.path.join(portage_root, 'etc/profile.env'),
'REVDEP_CONFDIR': os.path.join(portage_root, 'etc/revdep-rebuild/'),
'PKG_DIR': os.path.join(portage_root, 'var/db/pkg/'),
'DEFAULT_TMP_DIR': os.path.join(portage_root, '/tmp/revdep-rebuild' if os.getgid() else '/var/cache/revdep-rebuild'), #cache default location
# number of maximum allowed files to be parsed at once
'CMD_MAX_ARGS': 1000,
'PRETEND': False, #pretend only
'EXACT': False, #exact package version
#if program should use temporary files from previous run
'USE_TMP_FILES': True,
'VERBOSITY': 1,
'quiet': False,
'nocolor': False,
'library': set(),
'no-progress': False,
'debug': False,
'no-ld-path': False,
'no-order': False,
'pass_through_options': '',
'stdout': sys.stdout,
'stdin': sys.stdin,
'stderr': sys.stderr
}
def parse_options():
"""Parses the command line options an sets settings accordingly"""
# TODO: Verify: options: no-ld-path, no-order, no-progress
#are not appliable
from .rebuild import VERSION, APP_NAME
settings = DEFAULTS.copy()
parser = argparse.ArgumentParser(
description='Broken reverse dependency rebuilder, python implementation.',
epilog='Calls emerge, options after -- are ignored by %s '
'and passed directly to emerge.' % APP_NAME,
add_help=False
)
parser.add_argument('-h', '--help',
action='help',
help='Print this usage and exit')
parser.add_argument('-V', '--version',
action='version',
help='Show version informations',
version='%(prog)s ' + VERSION)
parser.add_argument('-i', '--ignore',
action='store_true',
help='Ignore temporary files from previous runs '
'(also won\'t create any)')
parser.add_argument('-L', '--library',
action='append',
help='Unconditionally emerge existing packages that use '
'the library with NAME. NAME can be a full path, full '
'or partial name')
parser.add_argument('-l', '--no-ld-path',
action='store_true',
help='Do not set LD_LIBRARY_PATH')
parser.add_argument('-o', '--no-order',
action='store_true',
help='Do not check the build order '
'(Saves time, but may cause breakage.)')
parser.add_argument('-p', '--pretend',
action='store_true',
help='Do a trial run without actually emerging anything '
'(also passed to emerge command)')
parser.add_argument('-C', '--nocolor',
action='store_true',
help='Turn off colored output')
parser.add_argument('-q', '--quiet',
action='store_true',
help='Be less verbose (also passed to emerge command)')
parser.add_argument('-v', '--verbose',
action='store_true',
help='Be more verbose (also passed to emerge command)')
parser.add_argument('-d', '--debug',
action='store_true',
help='Print debug informations')
parser.add_argument('portage_options', nargs='*')
args = parser.parse_args()
settings['VERBOSITY'] = 3 if args.debug else 2 if args.verbose else 0 if args.quiet else 1
settings['quiet'] = args.quiet
settings['PRETEND'] = args.pretend
settings['nocolor'] = args.nocolor
if args.library:
settings['library'].update(set(args.library))
settings['USE_TMP_FILES'] = not args.ignore
settings['pass_through_options'] = " " + " ".join(args.portage_options)
return settings
def _parse_dirs_to_set(dir_str):
'''Changes space-delimited directory list into set with them
'''
_ret = set()
for search in dir_str.split():
if search == '-*':
break
_ret.update(glob.glob(search))
return _ret
def parse_revdep_config(revdep_confdir):
''' Parses all files under and returns
tuple of: (masked_dirs, masked_files, search_dirs)'''
search_dirs = os.environ.get('SEARCH_DIRS', '')
masked_dirs = os.environ.get('SEARCH_DIRS_MASK', '')
masked_files = os.environ.get('LD_LIBRARY_MASK', '')
for _file in os.listdir(revdep_confdir):
for line in open(_unicode_encode(os.path.join(revdep_confdir, _file),
encoding=_encodings['fs']), encoding=_encodings['content']):
line = line.strip()
#first check for comment, we do not want to regex all lines
if not line.startswith('#'):
match = re.match('LD_LIBRARY_MASK=\\"([^"]+)\\"', line)
if match is not None:
masked_files += ' ' + match.group(1)
continue
match = re.match('SEARCH_DIRS_MASK=\\"([^"]+)\\"', line)
if match is not None:
masked_dirs += ' ' + match.group(1)
continue
match = re.match('SEARCH_DIRS=\\"([^"]+)\\"', line)
if match is not None:
search_dirs += ' ' + match.group(1)
continue
masked_files = set(masked_files.split(' '))
masked_dirs = _parse_dirs_to_set(masked_dirs)
search_dirs = _parse_dirs_to_set(search_dirs)
return (masked_dirs, masked_files, search_dirs)
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