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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Author: Sławomir Lis <lis.slawek@gmail.com>
# revdep-rebuild original author: Stanislav Brabec
# revdep-rebuild original rewrite Author: Michael A. Smith
# Current Maintainer: Paul Varner <fuzzyray@gentoo.org>
# Creation date: 2010/10/17
# License: BSD
import subprocess
import os
import sys
import re
import getopt
import signal
import stat
import time
import glob
import portage
import logging
from portage import portdb
from portage.output import bold, red, blue, yellow, green, nocolor
from analyse import analyse
from stuff import exithandler, get_masking_status
from cache import check_temp_files, read_cache
from assign import get_slotted_cps
from settings import DEFAULTS
APP_NAME = sys.argv[0]
VERSION = '0.1-r7'
__productname__ = "revdep-ng"
# functions
def print_usage():
print APP_NAME + ': (' + VERSION +')'
print
print 'This is free software; see the source for copying conditions.'
print
print 'Usage: ' + APP_NAME + ' [OPTIONS] [--] [EMERGE_OPTIONS]'
print
print 'Broken reverse dependency rebuilder, python implementation.'
print
print 'Available options:'
print '''
-C, --nocolor Turn off colored output
-d, --debug Print debug informations
-e, --exact Emerge based on exact package version
-h, --help Print this usage
-i, --ignore Ignore temporary files from previous runs
(also won't create any)
-L, --library NAME Emerge existing packages that use
the library with NAME
--library=NAME NAME can be a full or partial library name
-l, --no-ld-path Do not set LD_LIBRARY_PATH
-o, --no-order Do not check the build order
(Saves time, but may cause breakage.)
-p, --pretend Do a trial run without actually emerging anything
(also passed to emerge command)
-q, --quiet Be less verbose (also passed to emerge command)
-v, --verbose Be more verbose (also passed to emerge command)
'''
print 'Calls emerge, options after -- are ignored by ' + APP_NAME
print 'and passed directly to emerge.'
def init_logger(settings):
"""Creates and iitializes our logger according to the settings"""
logger = logging.getLogger()
log_handler = logging.StreamHandler()
log_fmt = logging.Formatter('%(msg)s')
log_handler.setFormatter(log_fmt)
logger.addHandler(log_handler)
if settings['quiet']:
logger.setLevel(logging.ERROR)
elif settings['VERBOSITY'] == 2:
logger.setLevel(logging.INFO)
elif settings['debug']:
logger.setLevel(logging.DEBUG)
else:
logger.setLevel(logging.WARNING)
return logger
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
# for revdep-ng
settings = DEFAULTS.copy()
try:
opts, args = getopt.getopt(sys.argv[1:],
'dehiklopqvCL:P',
['nocolor', 'debug', 'exact', 'help', 'ignore',
'keep-temp', 'library=', 'no-ld-path', 'no-order',
'pretend', 'no-pretend', 'no-progress', 'quiet', 'verbose'])
for key, val in opts:
if key in ('-h', '--help'):
print_usage()
sys.exit(0)
elif key in ('-q', '--quiet'):
settings['quiet'] = True
settings['VERBOSITY'] = 0
elif key in ('-v', '--verbose'):
settings['VERBOSITY'] = 2
elif key in ('-d', '--debug'):
settings['debug'] = True
settings['VERBOSITY'] = 3
elif key in ('-p', '--pretend'):
settings['PRETEND'] = True
elif key == '--no-pretend':
settings['NO_PRETEND'] = True
elif key in ('-e', '--exact'):
settings['EXACT'] = True
elif key in ('-C', '--nocolor', '--no-color'):
settings['nocolor'] = True
elif key in ('-L', '--library', '--library='):
settings['library'] = settings['library'].union(val.split(','))
elif key in ('-i', '--ignore'):
settings['USE_TMP_FILES'] = False
settings['pass_through_options'] = " " + " ".join(args)
except getopt.GetoptError:
#logging.info(red('Unrecognized option\n'))
print(red('Unrecognized option\n'))
print_usage()
sys.exit(2)
return settings
def rebuild(logger, assigned, settings):
"""rebuilds the assigned pkgs"""
args = settings['pass_through_options']
if settings['EXACT']:
emerge_command = '=' + ' ='.join(assigned)
else:
emerge_command = ' '.join(get_slotted_cps(assigned, logger))
if settings['PRETEND']:
args += ' --pretend'
if settings['VERBOSITY'] >= 2:
args += ' --verbose'
elif settings['VERBOSITY'] < 1:
args += ' --quiet'
if settings['nocolor']:
args += ' --color n'
if len(emerge_command) == 0:
logger.warn(bold('\nThere is nothing to emerge. Exiting.'))
return 0
emerge_command = emerge_command
logger.warn(yellow('\nemerge') + args + ' --oneshot ' + bold(emerge_command))
success = os.system('emerge ' + args + ' --oneshot ' + emerge_command)
return success
# Runs from here
def main(settings=None, logger=None):
if settings is None:
# print("NO Input settings, using defaults...")
settings = DEFAULTS.copy()
if logger is None:
logger = init_logger(settings)
_libs_to_check = settings['library']
if not settings['stdout'].isatty() or settings['nocolor']:
nocolor()
if os.getuid() != 0 and not settings['PRETEND']:
logger.warn(blue(' * ') +
yellow('You are not root, adding --pretend to portage options'))
settings['PRETEND'] = True
elif not settings['PRETEND'] \
and settings['IS_DEV'] \
and not settings['NO_PRETEND']:
logger.warn(blue(' * ') +
yellow('This is a development version, '
'so it may not work correctly'))
logger.warn(blue(' * ') +
yellow('Adding --pretend to portage options anyway'))
logger.info(blue(' * ') +
'If you\'re sure, you can add --no-pretend to revdep options')
settings['PRETEND'] = True
analyze_cache = {}
if settings['USE_TMP_FILES'] \
and check_temp_files(settings['DEFAULT_TMP_DIR']):
libraries, la_libraries, libraries_links, binaries = read_cache(
settings['DEFAULT_TMP_DIR'])
assigned = analyse(
settings=settings,
logger=logger,
libraries=libraries,
la_libraries=la_libraries,
libraries_links=libraries_links,
binaries=binaries,
_libs_to_check=_libs_to_check)
else:
assigned = analyse(settings, logger, _libs_to_check=_libs_to_check)
if not assigned:
logger.warn('\n' + bold('Your system is consistent'))
# return the correct exit code
return 0
has_masked = False
tmp = []
for a in assigned:
if get_masking_status(a):
has_masked = True
logger.warn('!!! ' + red('All ebuilds that could satisfy: ') +
green(a) + red(' have been masked'))
else:
tmp.append(a)
assigned = tmp
if has_masked:
logger.info(red(' * ') +
'Unmask all ebuild(s) listed above and call revdep-rebuild '
'again or manually emerge given packages.')
success = rebuild(logger, assigned, settings)
logger.debug("rebuild return code = %i" %success)
return success
if __name__ == '__main__':
main(rebuild.parse_options())
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