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# Copyright (C) 2009 Google Inc.
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
__author__ = 'Damon Kohler <>'
import collections
import json
import os
import socket
import sys
PORT = os.environ.get('AP_PORT')
HOST = os.environ.get('AP_HOST')
HANDSHAKE = os.environ.get('AP_HANDSHAKE')
Result = collections.namedtuple('Result', 'id,result,error')
class Android(object):
def __init__(self, addr=None):
if addr is None:
addr = HOST, PORT
self.conn = socket.create_connection(addr)
self.client = self.conn.makefile() = 0
if HANDSHAKE is not None:
def _rpc(self, method, *args):
data = {'id':,
'method': method,
'params': args}
request = json.dumps(data)
response = self.client.readline() += 1
result = json.loads(response)
if result['error'] is not None:
print result['error']
# namedtuple doesn't work with unicode keys.
return Result(id=result['id'], result=result['result'],
error=result['error'], )
def __getattr__(self, name):
def rpc_call(*args):
return self._rpc(name, *args)
return rpc_call