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1、先說結論：使用xml-rpc的機制可以很方便的實現服務器間的RPC調用。

2、試驗結果如下：

使用XML庫的方式,實現RPC通信的方法(推薦)

3、源碼如下：

服務器端的源代碼如下：

									import operator, math

									from SimpleXMLRPCServer import SimpleXMLRPCServer

									from functools import reduce

									def main():

									  server = SimpleXMLRPCServer(('127.0.0.1', 7001))

									  server.register_introspection_functions()

									  server.register_multicall_functions()

									  server.register_function(addtogether)

									  server.register_function(quadratic)

									  server.register_function(remote_repr)

									  print("Server ready")

									  server.serve_forever()

									def addtogether(*things):

									  """Add together everything in the list things ."""

									  return reduce(operator.add, things)

									def quadratic(a, b, c):

									  """Determine x values satisfying: a * x * x + b * x + c = 0"""

									  b24ac = math.sqrt(b*b - 4.0*a*c)

									  return list(set([(-b-b24ac) / 2.0*a, (-b+b24ac) / 2.0*a]))

									def remote_repr(arg):

									  """return the repr() rendering of the supplied arg """

									  return arg

									if __name__ == '__main__':

									  main()

客戶端的代碼如下：

									import xmlrpclib

									def main():

									  proxy = xmlrpclib.ServerProxy('http://127.0.0.1:7001')

									  print("Here are the functions supported by this server:")

									  print("next calculator addtogether: ")

									  print(proxy.addtogether('x','y','z'))

									  print(proxy.addtogether('x','y','z'))

									  print(proxy.addtogether('x','y','z'))

									  print(proxy.addtogether('x','y','z'))

									  for method_name in proxy.system.listMethods():

									    if method_name.startswith('system.'):

									      continue

									    signatures = proxy.system.methodSignature(method_name)

									    if isinstance(signatures, list) and signatures:

									      for signature in signatures:

									        print('%s(%s)' %(method_name, signature))

									    else:

									      print('%s(...)' %(method_name,))

									    method_help = proxy.system.methodHelp(method_name)

									    #if method_help:

									    #  print(' ', methodHelp)

									  print(proxy.addtogether('x','y','z'))

									  print("addtogether result ")

									if __name__ == '__main__':

									  main()