task_delmod.py

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import os
from taskinit import *
from parallel.parallel_task_helper import ParallelTaskHelper

def delmod(vis=None,otf=None,field=None,scr=None):

        casalog.origin('delmod')

        # Do the trivial parallelization
        if ParallelTaskHelper.isParallelMS(vis):
                helper = ParallelTaskHelper('delmod', locals())
                helper.go()
                return


        #Python script
        try:

                # only if vis exists...
                if ((type(vis)==str) & (os.path.exists(vis))):
                        # ... and we are asked to do something...
                        # open without adding anything!
                        cb.open(vis,addcorr=False,addmodel=False)
                        cb.delmod(otf,field,scr)
                        cb.close()
                else:
                        raise Exception, 'Visibility data set not found - please verify the name'

                #write history
                ms.open(vis,nomodify=False)
                ms.writehistory(message='taskname = delmod',origin='delmod')
                ms.writehistory(message='vis         = "'+str(vis)+'"',origin='delmod')
                ms.writehistory(message='otf         = "'+str(otf)+'"',origin='delmod')
                ms.writehistory(message='scr         = "'+str(scr)+'"',origin='delmod')
                ms.close()

        except Exception, instance:
                print '*** Error ***',instance