casa6

import os

import shutil

import string

import copy

import math

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from .mstools import write_history

from casatools import table, ms, mstransformer

from casatasks import casalog

from .parallel.parallel_data_helper import ParallelDataHelper

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_tb = table()

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def hanningsmooth(vis=None, 

                   outputvis=None,

                   keepmms=None,

                   field=None,

                   spw=None, 

                   scan=None, 

                   antenna=None, 

                   correlation=None,

                   timerange=None, 

                   intent=None,

                   array=None,

                   uvrange=None,

                   observation=None,

                   feed=None,

                   datacolumn=None, 

                   ):

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    """Hanning smooth frequency channel data to remove Gibbs ringing

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    """

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    casalog.origin('hanningsmooth')

    # Initiate the helper class    

    pdh = ParallelDataHelper("hanningsmooth", locals()) 

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    # Validate input and output parameters

    pdh.setupIO()

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    # Input vis is an MMS

    if pdh.isMMSAndNotServer(vis) and keepmms:

        if not pdh.validateInputParams():        

            raise Exception('Unable to continue with MMS processing')

        pdh.setupCluster('hanningsmooth')

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        # Execute the jobs

        pdh.go()

        return

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    mslocal = ms()

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    # Actual task code starts here

    try:    

        mtlocal = mstransformer()

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        # Gather all the parameters in a dictionary.        

        config = {}