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#!/usr/bin/python
# -*- encoding: utf-8 -*-
import xml.etree.ElementTree as ET
import re
import urllib
import urllib2
import ConfigParser
import optparse
import os
import sys
reURI = re.compile(r'''^(?P<scheme>[a-zA-Z0-9]+):// # scheme
((?P<avatar>[^:@]+)(:(?P<password>[^@]+))?@)? # avatar name and password (optional)
(?P<host>[^:/]+)(:(?P<port>\d+))? # host, port (optional)
(?P<path>/.*) # path
$''', re.IGNORECASE | re.VERBOSE)
reLOC = re.compile(r'''^/(?P<region>[^/]+)/ # region name
(?P<x>\d+)/ # X position
(?P<y>\d+)/ # Y position
(?P<z>\d+) # Z position
''', re.IGNORECASE | re.VERBOSE)
if __name__ == '__main__':
parser = optparse.OptionParser()
parser.add_option('-c', '--config', dest = 'config', help = 'config file', metavar = 'CONFIG')
parser.add_option('-s', '--secondlife', dest = 'client', help = 'location of secondlife client', metavar = 'SL-CLIENT')
(options, args) = parser.parse_args()
#
# we using ~/.matrixcfg to store the location of the secondlife client
#
if not options.config:
options.config = '~/.matrixcfg'
cfgPath = os.path.expanduser(options.config)
#
# if ~/.matrixcfg does not exist we are in trouble...
#
if not os.path.exists(cfgPath) and not options.client:
print '''oops, i've no clue where your secondlife client lives around here.
i suggest you run me with the "--secondlife path-of-secondlife-client" argument.'''
sys.exit(1)
#
# ok, either ~/.matrixcfg does exist or we are asked to create it
#
config = ConfigParser.ConfigParser()
if os.path.exists(cfgPath):
config.readfp(open(cfgPath))
if options.client:
if config.has_option('secondlife', 'client'):
config.remove_option('secondlife', 'client')
if not config.has_section('secondlife'):
config.add_section('secondlife')
config.set('secondlife', 'client', options.client)
cfg = open(cfgPath, mode = 'w+')
config.write(cfg)
cfg.close()
client = config.get('secondlife', 'client')
#
# sanity check: URI supplied?
#
if not sys.argv:
print 'missing opensim/matrix URI'
sys.exit(1)
#
# parse URI and extract scheme. host, port?, avatar?, password?
#
uri = sys.argv.pop()
match = reURI.match(uri)
if not match or not match.group('scheme') or not match.group('host'):
print 'hmm... cannot parse URI %s, giving up' % uri
sys.exit(1)
scheme = match.group('scheme')
host = match.group('host')
port = match.group('port')
avatar = match.group('avatar')
password = match.group('password')
path = match.group('path')
#
# sanity check: matrix: or opensim: scheme?
#
if scheme != 'matrix' and scheme != 'opensim':
print 'hmm...unknown scheme %s, calling it a day' % scheme
#
# get grid info from OpenSim server
#
gridname = None
gridnick = None
login = None
welcome = None
economy = None
#
# construct GridInfo URL
#
if port:
gridInfoURI = 'http://%s:%d/get_grid_info' % (host, int(port))
else:
gridInfoURI = 'http://%s/get_grid_info' % (host)
#
# try to retrieve GridInfo
#
try:
gridInfoXml = ET.parse(urllib2.urlopen(gridInfoURI))
gridname = gridInfoXml.findtext('/gridname')
gridnick = gridInfoXml.findtext('/gridnick')
login = gridInfoXml.findtext('/login')
welcome = gridInfoXml.findtext('/welcome')
economy = gridInfoXml.findtext('/economy')
except urllib2.URLError:
print 'oops, failed to retrieve grid info, proceeding with guestimates...'
#
# fallback: use supplied uri in case GridInfo drew a blank
#
if not login: login = uri
#
# ok, got everything, now construct the command line
#
clientArgs = ['matrix: %s' % gridnick]
clientArgs += ['-loginuri', login]
if welcome: clientArgs += ['-loginpage', welcome]
if economy: clientArgs += ['-helperuri', economy]
if avatar and password:
clientArgs += ['-login']
clientArgs += urllib.unquote(avatar).split()
clientArgs += [password]
#
# take a closer look at path: if it's a /region/X/Y/Z pattern, use
# it as the "SLURL
#
match = reLOC.match(path)
if match:
loc = 'secondlife:///%s/%d/%d/%d' % (match.group('region'),
int(match.group('x')),
int(match.group('y')),
int(match.group('z')))
clientArgs += [loc]
#
# all systems go
#
os.execv(client, clientArgs)
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