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-rw-r--r--mirrorselect/extractor.py116
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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.
+
+"""
+
+import sys
+
+if int(sys.version[0]) == 3:
+ import urllib.request, urllib.parse, urllib.error
+ url_parse = urllib.parse
+ url_open = urllib.request.urlopen
+else:
+ import urllib
+ import urlparse
+ url_parse = urlparse.urlparse
+ url_open = urllib.urlopen
+
+
+from mirrorselect.mirrorparser3 import MirrorParser3
+
+
+class Extractor(object):
+ """The Extractor employs a MirrorParser3 object to get a list of valid
+ mirrors, and then filters them. Only the mirrors that should be tested, based on
+ user input are saved. They will be in the hosts attribute."""
+
+ def __init__(self, list_url, options, output):
+ self.output = output
+ filters = {}
+ for opt in ["country", "region"]:
+ value = getattr(options, opt)
+ if value is not None:
+ filters[opt] = value
+ self.output.print_info('Limiting test to "%s=%s" hosts. \n'
+ %(opt, value))
+ for opt in ["ftp", "http"]:
+ if getattr(options, opt):
+ filters["proto"] = opt
+ self.output.print_info('Limiting test to %s hosts. \n' % opt )
+ parser = MirrorParser3()
+ self.hosts = []
+
+ self.unfiltered_hosts = self.getlist(parser, list_url)
+
+ self.hosts = self.filter_hosts(filters, self.unfiltered_hosts)
+
+ self.output.write('Extractor(): fetched mirrors.xml,'
+ ' %s hosts after filtering\n' % len(self.hosts), 2)
+
+
+ @staticmethod
+ def filter_hosts(filters, hosts):
+ """Filter the hosts to the criteria passed in
+ Return the filtered list
+ """
+ if not len(filters):
+ return hosts
+ filtered = []
+ for uri, data in hosts:
+ good = True
+ for f in filters:
+ if data[f] != filters[f]:
+ good = False
+ continue
+ if good:
+ filtered.append((uri, data))
+ return filtered
+
+
+ def getlist(self, parser, url):
+ """
+ Uses the supplied parser to get a list of urls.
+ Takes a parser object, url, and filering options.
+ """
+
+ self.output.write('getlist(): fetching ' + url + '\n', 2)
+
+ self.output.print_info('Downloading a list of mirrors...')
+
+ try:
+ parser.parse(url_open(url).read())
+ except EnvironmentError:
+ pass
+
+ if len(parser.tuples()) == 0:
+ self.output.print_err('Could not get mirror list. '
+ 'Check your internet connection.')
+
+ self.output.write(' Got %d mirrors.\n' % len(parser.tuples()))
+
+ return parser.tuples()
+