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#! /usr/bin/python
#
# rankmirrors : read a list of mirrors from a file and rank them by speed
#
# Original Idea copyright (c) 2006 R.G. <chesercat>
# Modified 2006 by Dan McGee <dpmcgee@gmail.com>
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
# USA.
#
import sys, datetime, time, socket, urllib2
from optparse import OptionParser
def createOptParser():
usage = "usage: %prog [options] MIRRORFILE"
description = "Ranks pacman mirrors by their connection and
opening speed. Pacman mirror files are located in /etc/pacman.d/."
parser = OptionParser(usage=usage,description=description)
parser.add_option("-f", "--formatted", action="store_true",
dest = "formatted", default=False, help="output in mirror
file format")
parser.add_option("-n", dest="num", default=0,
help="number of servers to output, 0 for all")
parser.add_option("-v", "--verbose", action="store_true", dest="verbose",
- Show quoted text -
default=False, help="be verbose in output")
return parser
def timeCmd(cmd):
before = time.time();
try:
cmd();
except KeyboardInterrupt, ki:
raise ki
except socket.timeout, ioe:
return 'timeout'
except Exception, e:
return 'unreachable'
return time.time() - before;
def talkToServer(serverUrl):
opener = urllib2.build_opener()
tmp = opener.open(serverUrl).read()
def getFuncToTime(serverUrl):
return lambda : talkToServer(serverUrl)
def cmpPairBySecond(p1, p2):
if p1[1] == p2[1]: return 0
if p1[1] < p2[1]: return -1
return 1
if __name__ == "__main__":
parser = createOptParser()
(options, args) = parser.parse_args()
if len(args) != 1:
parser.print_help(sys.stderr)
sys.exit(0)
# allows connections to time out if they take too long
socket.setdefaulttimeout(10)
fl = open(args[0], 'r')
serverToTime = {}
if options.formatted:
print "# Server list generated by rankmirrors on", datetime.date.today()
else:
print 'Querying servers, this may take some time...'
for ln in fl.readlines():
splitted = ln.split('=')
if splitted[0].strip() != 'Server':
if options.formatted:
print ln,
continue
serverUrl = splitted[1].strip()
if serverUrl[-1] == '\n': serverUrl = serverUrl[0:-1]
if options.verbose and options.formatted:
print '#',serverUrl,'...',
elif options.verbose:
print serverUrl,'...',
elif not options.formatted:
print ' * ',
sys.stdout.flush()
serverToTime[serverUrl] = timeCmd(getFuncToTime(serverUrl))
if options.verbose:
print serverToTime[serverUrl]
items = serverToTime.items()
items.sort(cmpPairBySecond)
numToShow = int(options.num)
if numToShow == 0: numToShow = len(items)
if len(items) > 0:
if options.formatted:
for i in items[0:numToShow]:
print 'Server =', i[0]
else:
print
print ' Servers sorted by time:'
for i in items[0:numToShow]:
print i[1], ':', i[0]
# vim: set ts=4 sw=4 sta et sts ai:
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