service.py

"""
Expose the Bloomberg Desktop API as an XML RPC server. Useful when running a virtual machine locally.
"""
from bbg3 import Terminal
from socket import gethostname
from SimpleXMLRPCServer import SimpleXMLRPCServer
from xmlrpclib import Binary, ServerProxy
import pickle
import logging
import sys

_logger = logging.getLogger(__name__)


def terminal_as_server(hostport=None):
    class BbgServer(object):
        def execute_request(self, brequest):
            request = pickle.loads(brequest.data)
            response = Terminal.execute_request(request)
            return Binary(pickle.dumps(response))
    methods = BbgServer()
    hostport = hostport or (gethostname(), 3030)
    server = SimpleXMLRPCServer(hostport)
    server.register_instance(methods)
    _logger.info('starting server on %s:%s' % hostport)
    server.serve_forever()


class Client(object):
    def __init__(self, url):
        self.url = url
        self.proxy = ServerProxy(url, allow_none=1)

    def execte_request(self, request):
        brequest = Binary(pickle.dumps(request))
        bresponse = self.proxy.execute_request(brequest)
        return pickle.loads(bresponse.data)


if __name__ == '__main__':
    import argparse
    parser = argparse.ArgumentParser()
    parser.add_argument('--hostport', help='hostport to bind server to')
    args = parser.parse_args()

    if args.hostport:
        hostport = tuple( args.hostport.split(':') )
    else:
        hostport = None
    # start the server
    terminal_as_server(hostport)