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#!/usr/bin/python
# -*- coding: utf-8 -*-
""" Rebuild module
Main program, cli parsing and api program control and operation
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
"""
from __future__ import print_function
import os
import sys
import getopt
import logging
import time
current_milli_time = lambda: int(round(time.time() * 1000))
from portage.output import bold, red, blue, yellow, nocolor
from .analyse import analyse
from .cache import check_temp_files, read_cache
from .assign import get_slotted_cps
from .settings import DEFAULTS
from .stuff import filter_masked
from . import __version__
APP_NAME = sys.argv[0]
VERSION = __version__
__productname__ = "revdep-ng"
# functions
def print_usage():
"""Outputs the help message"""
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 Unconditionally emerge existing packages that use
--library=NAME the library with 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
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'].update(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']:
_assigned = filter_masked(assigned, logger)
emerge_command = '=' + ' ='.join(_assigned)
else:
_assigned = get_slotted_cps(assigned, logger)
emerge_command = ' '.join(_assigned)
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
logger.warn(yellow(
'\nemerge') + args +
' --oneshot --complete-graph=y ' +
bold(emerge_command))
stime = current_milli_time()
success = os.system(
'emerge ' + args +
' --oneshot --complete-graph=y ' +
emerge_command)
ftime = current_milli_time()
logger.debug("\trebuild(); emerge call for %d ebuilds took: %s seconds"
% (len(_assigned), str((ftime-stime)/1000.0)))
return success
def main(settings=None, logger=None):
"""Main program operation method....
@param settings: dict. defaults to settings.DEFAULTS
@param logger: python logging module defaults to init_logger(settings)
@return boolean success/failure
"""
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()
#TODO: Development warning
logger.warn(blue(' * ') +
yellow('This is a prerelease version, '
'so it may not work correctly'))
logger.warn(blue(' * ') +
yellow('The original revdep-rebuild script is '
'installed as revdep-rebuild.sh'))
logger.warn(blue(' * ') +
yellow('Please files bugs at: '
'https://bugs.gentoo.org/'))
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
logger.debug("\tmain(), _libs_to_check = %s" % str(_libs_to_check))
if settings['USE_TMP_FILES'] \
and check_temp_files(settings['DEFAULT_TMP_DIR'], logger=logger):
libraries, la_libraries, libraries_links, binaries = read_cache(
settings['DEFAULT_TMP_DIR'])
assigned, orphaned = 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, orphaned = analyse(settings, logger, _libs_to_check=_libs_to_check)
if not assigned and not orphaned:
logger.warn('\n' + bold('Your system is consistent'))
# return the correct exit code
return 0
elif orphaned:
# blank line for beter visibility of the following lines
logger.warn('')
if settings['library']:
logger.warn(red(' !!! Dependant orphaned files: ') +
bold('No installed package was found for the following:'))
else:
logger.warn(red(' !!! Broken orphaned files: ') +
bold('No installed package was found for the following:'))
for filename in orphaned:
logger.warn(red('\t* ') + filename)
success = rebuild(logger, assigned, settings)
logger.debug("rebuild return code = %i" %success)
return success
if __name__ == '__main__':
main(parse_options())
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