1 # XMLRPC-specific code for SFA Client
6 from sfa.util.sfalogging import sfa_logger
9 # ServerException, ExceptionUnmarshaller
11 # Used to convert server exception strings back to an exception.
12 # from usenet, Raghuram Devarakonda
14 class ServerException(Exception):
17 class ExceptionUnmarshaller(xmlrpclib.Unmarshaller):
20 return xmlrpclib.Unmarshaller.close(self)
21 except xmlrpclib.Fault, e:
22 raise ServerException(e.faultString)
27 # A transport for XMLRPC that works on top of HTTPS
29 class XMLRPCTransport(xmlrpclib.Transport):
32 def make_connection(self, host):
33 # create a HTTPS connection object from a host descriptor
34 # host may be a string, or a (host, x509-dict) tuple
35 host, extra_headers, x509 = self.get_host_info(host)
37 # return httplib.HTTPS(host, None, key_file=self.key_file, cert_file=self.cert_file) #**(x509 or {}))
38 return httplib.HTTPSConnection(host, None, key_file=self.key_file, cert_file=self.cert_file) #**(x509 or {}))
39 except AttributeError:
40 raise NotImplementedError("your version of httplib doesn't support HTTPSConnection")
43 unmarshaller = ExceptionUnmarshaller()
44 parser = xmlrpclib.ExpatParser(unmarshaller)
45 return parser, unmarshaller
47 class XMLRPCServerProxy(xmlrpclib.ServerProxy):
48 def __init__(self, url, transport, allow_none=True, options=None):
50 if options and options.debug:
52 sfa_logger().info ("Connecting to xmlrpcserver at %s (with verbose=%s)"%(url,verbose))
53 xmlrpclib.ServerProxy.__init__(self, url, transport, allow_none=allow_none, verbose=verbose)
55 def __getattr__(self, attr):
56 sfa_logger().info ("Calling xml-rpc method:%s"%attr)
57 return xmlrpclib.ServerProxy.__getattr__(self, attr)
60 def get_server(url, key_file, cert_file, options=None):
61 transport = XMLRPCTransport()
62 transport.key_file = key_file
63 transport.cert_file = cert_file
65 return XMLRPCServerProxy(url, transport, allow_none=True, options=options)