Source Code for Module rosmaster.util

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34   
35  """ 
36  Utility routines for rosmaster. 
37  """ 
38   
39  try: 
40      from urllib.parse import urlparse 
41  except ImportError: 
42      from urlparse import urlparse 
43  try: 
44      from xmlrpc.client import ServerProxy 
45  except ImportError: 
46      from xmlrpclib import ServerProxy 
47   
48  _proxies = {} #cache ServerProxys 
49 -def xmlrpcapi(uri): 
50      """ 
51      @return: instance for calling remote server or None if not a valid URI 
52      @rtype: xmlrpc.client.ServerProxy 
53      """ 
54      if uri is None: 
55          return None 
56      uriValidate = urlparse(uri) 
57      if not uriValidate[0] or not uriValidate[1]: 
58          return None 
59      if not uri in _proxies: 
60          _proxies[uri] = ServerProxy(uri) 
61      return _proxies[uri] 
62   
63   
64 -def remove_server_proxy(uri): 
65      if uri in _proxies: 
66          del _proxies[uri] 
67