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#-*- coding:utf-8 -*-
"""Mirrorselect 2.x
Tool for selecting Gentoo source and rsync mirrors.
Copyright 2005-2012 Gentoo Foundation
Copyright (C) 2005 Colin Kingsley <tercel@gentoo.org>
Copyright (C) 2008 Zac Medico <zmedico@gentoo.org>
Copyright (C) 2009 Sebastian Pipping <sebastian@pipping.org>
Copyright (C) 2009 Christian Ruppert <idl0r@gentoo.org>
Copyright (C) 2012 Brian Dolbec <dolsen@gentoo.org>
Distributed under the terms of the GNU General Public License v2
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
"""
from __future__ import print_function
import os
import re
import shlex
import shutil
import string
import sys
def get_make_conf_path(EPREFIX):
# try the newer make.conf location
config_path = EPREFIX + '/etc/portage/make.conf'
if not os.access(config_path, os.F_OK):
# check if the old location is what is used
if os.access(EPREFIX + '/etc/make.conf', os.F_OK):
config_path = EPREFIX + '/etc/make.conf'
return config_path
def write_make_conf(output, config_path, var, mirror_string):
"""Write the make.conf target changes
@param output: file, or output to print messages to
@param mirror_string: "var='hosts'" string to write
@param config_path; string
"""
output.write('\n')
output.print_info('Modifying %s with new mirrors...\n' % config_path)
try:
config = open(config_path, 'r')
output.write('\tReading make.conf\n')
lines = config.readlines()
config.close()
output.write('\tMoving to %s.backup\n' % config_path)
shutil.move(config_path, config_path + '.backup')
except IOError:
lines = []
regex = re.compile('^%s=.*' % var)
for line in lines:
if regex.match(line):
lines.remove(line)
lines.append(mirror_string)
output.write('\tWriting new %s\n' % config_path)
config = open(config_path, 'w')
for line in lines:
config.write(line)
config.write('\n')
config.close()
output.print_info('Done.\n')
sys.exit(0)
def write_repos_conf(output, config_path, var, value):
"""Saves the new var value to a ConfigParser style file
@param output: file, or output to print messages to
@param config_path; string
@param var: string; the variable to save teh value to.
@param value: string, the value to set var to
"""
try:
from configparser import ConfigParser
except ImportError:
from ConfigParser import ConfigParser
config = ConfigParser()
config.read(config_path)
if config.has_option('gentoo', var):
config.set('gentoo', var, value)
with open(config_path, 'wb') as configfile:
config.write(configfile)
else:
output.print_err("write_repos_conf(): Failed to find section 'gentoo',"
" variable: %s\nChanges NOT SAVED" %var)
def get_filesystem_mirrors(output, config_path, sync=False):
"""Read the current mirrors and retain mounted filesystems mirrors
@param config_path: string
@param sync: boolean, used to switch between SYNC and GENTOO_MIRRORS
make.conf variable target
@rtype list
"""
fsmirrors = []
if sync:
var = 'SYNC'
else:
var = 'GENTOO_MIRRORS'
output.write('get_filesystem_mirrors(): config_path = %s\n' % config_path, 2)
try:
f = open(config_path,'r')
except IOError:
return fsmirrors
""" Search for 'var' in make.conf and extract value """
try:
lex = shlex.shlex(f, posix=True)
lex.wordchars = string.digits+string.letters+"~!@#$%*_\:;?,./-+{}"
lex.quotes = "\"'"
while 1:
key = lex.get_token()
#output.write('get_filesystem_mirrors(): processing key = %s\n' % key, 2)
if key == var:
equ = lex.get_token()
if (equ == ''):
break
elif (equ != '='):
break
val = lex.get_token()
if val is None:
break
""" Look for mounted filesystem in value """
mirrorlist = val.rsplit()
output.write('get_filesystem_mirrors(): mirrorlist = %s\n' % mirrorlist, 2)
p = re.compile('rsync://|http://|ftp://', re.IGNORECASE)
for mirror in mirrorlist:
if (p.match(mirror) == None):
if os.access(mirror, os.F_OK):
output.write('get_filesystem_mirrors(): found file system mirror = %s\n' % mirror, 2)
fsmirrors.append(mirror)
else:
output.write('get_filesystem_mirrors(): ignoring non-accessible mirror = %s\n' % mirror, 2)
break
elif key is None:
break
except Exception:
fsmirrors = []
output.write('get_filesystem_mirrors(): fsmirrors = %s\n' % fsmirrors, 2)
return fsmirrors
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