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Collection of scripts and small programs used by the EVN Support Scientists at JIVE during the regular data processing of EVN observations.
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#! /usr/bin/env python3
"""Change the name of an project in a measurement set (MS).
Usage: expname.py <msdata> <new_expname>
Options:
msdata : str MS data set to be changed.
new_expname : str New name for the project ( experiment) that is quoted in the MS.
It will replace the existing one and it will be converted into
capital letters.
Version: 1.0
Date: April 2017
Written by Benito Marcote (marcote@jive.eu)
"""
from pyrap import tables as pt
import sys
help_msdata = ''
help_newexpname = ''
try:
usage = "%(prog)s [-h] <msdata> <new_expname>"
description="""Change the name of a project in a measurement set (MS).
"""
import argparse
parser = argparse.ArgumentParser(description=description, prog='expname.py', usage=usage)
parser.add_argument('msdata', type=str, help=help_msdata)
parser.add_argument('new_expname', type=str, help=help_newexpname)
parser.add_argument('--version', action='version', version='%(prog)s 1.0')
arguments = parser.parse_args()
msdata = arguments.msdata[:-1] if arguments.msdata[-1]=='/' else arguments.msdata
new_expname = arguments.new_expname
except ImportError:
usage = "%(prog)s [-h] <msdata> <new_expname>"
description="""Change the name of a project in a measurement set (MS) to new_expname (in upper case).
"""
# Compatibility with Python 2.7
import optparse
parser = optparse.OptionParser(usage=usage, description=description, prog='expname.py', version='%prog 1.0')
theparser = parser.parse_args()
arguments = theparser[1]
#arguments = parser.parse_args()[1]
if len(arguments) != 2:
print('Two arguments must be provided: expname.py [-h] [-v] <msdata> <new_expname>')
print('Use -h to get help.')
sys.exit(1)
msdata = arguments[0][:-1] if arguments[0][-1]=='/' else arguments[0]
new_expname = arguments[1]
# The actual work
with pt.table(msdata+'/OBSERVATION', readonly=False, ack=False) as ms:
old_project = ms.getcol('PROJECT')[0] # Should always be one-element list
ms.putcol('PROJECT', [new_expname.upper()])
# Sometimes it can happen that the OBSERVER is also the PROJECT, although not always
if ms.getcol('OBSERVER')[0] == old_project:
ms.putcol('OBSERVER', [new_expname()])
ms.close()
print('Experiment name changed to {}.'.format(new_expname.upper()))