Synchronous Serial Forwarder

#!/usr/bin/env python
'''
Pymodbus Synchronous Serial Forwarder
--------------------------------------------------------------------------

We basically set the context for the tcp serial server to be that of a
serial client! This is just an example of how clever you can be with
the data context (basically anything can become a modbus device).
'''
#---------------------------------------------------------------------------# 
# import the various server implementations
#---------------------------------------------------------------------------# 
from pymodbus.server.sync import StartTcpServer as StartServer
from pymodbus.client.sync import ModbusSerialClient as ModbusClient

from pymodbus.datastore.remote import RemoteSlaveContext
from pymodbus.datastore import ModbusSlaveContext, ModbusServerContext

#---------------------------------------------------------------------------# 
# configure the service logging
#---------------------------------------------------------------------------# 
import logging
logging.basicConfig()
log = logging.getLogger()
log.setLevel(logging.DEBUG)

#---------------------------------------------------------------------------# 
# initialize the datastore(serial client)
#---------------------------------------------------------------------------# 
client = ModbusClient(method='ascii', port='/dev/pts/14')
store = RemoteSlaveContext(client)
context = ModbusServerContext(slaves=store, single=True)

#---------------------------------------------------------------------------# 
# run the server you want
#---------------------------------------------------------------------------# 
StartServer(context)