Source Code for Module brisa.utils.options

 1  # Licensed under the MIT license 
 2  # http://opensource.org/licenses/mit-license.php or see LICENSE file. 
 3  # Copyright 2007-2008 Brisa Team <brisa-develop@garage.maemo.org> 
 4   
 5  """ Argument parsing for BRisa deployed applications. 
 6  """ 
 7   
 8  import sys 
 9  import random 
10  import socket 
11  from optparse import OptionParser 
12   
13  from brisa.core import log, config, network 
14   
15   
16 -def parse_args(device_name): 
17      """ Parses option arguments and configuration values for the given device 
18      name. 
19   
20      @param device_name: device name 
21      @type device_name: string 
22   
23      @return: 2-tuple (listen_url, daemon) (daemon tells whether -d was passed) 
24      @rtype: tuple 
25      """ 
26      usage = "\nBRisa UPnP %s version %s\nusage: python prog [options] arg" \ 
27      % (device_name, config.manager.brisa_version) 
28      parser = OptionParser(usage) 
29   
30      parser.add_option("-q", "--quiet", 
31                        action="store_false", dest="verbose") 
32      parser.add_option("-i", "--address", dest="address", 
33                        help="set the UPnP %s IP address" % device_name) 
34      parser.add_option("-p", "--port", dest="port", 
35                        help="set the UPnP %s Port" % device_name) 
36      parser.add_option("-d", "--daemon", action="store_true", 
37                        dest="daemon", help="Run %s as daemon" % device_name) 
38   
39      (options, args) = parser.parse_args() 
40   
41      if len(args) != 0: 
42          parser.error("incorrect number of arguments") 
43   
44      listen_addr = options.address 
45   
46      if not options.port: 
47          listen_port = random.randint(10000, 65000) 
48      else: 
49          listen_port = int(options.port) 
50   
51      if listen_addr and listen_port: 
52          listen_url = "http://%s:%d" % (listen_addr, listen_port) 
53      else: 
54          listen_url = '' 
55   
56      daemon = False 
57      if options.daemon: 
58          daemon = True 
59   
60      return (listen_url, daemon) 
61