Collection of scripts and small programs used by the EVN Support Scientists at JIVE during the regular data processing of EVN observations.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 

63 lines
2.4 KiB

#! /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()))