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#!/usr/bin/env python3
#
# Copyright (c) 2016 Aaron LI
# MIT license
#
# Make the configuration file for `calc_coolfunc.py`
#
# Created: 2016-07-12
#
import glob
import argparse
import subprocess
from info import get_redshift, get_nh
sample_config = """
## Configuration file for `calc_coolfunc.py`
# redshift of the object
redshift = %(redshift).6f
# H column density (unit: 10^22 cm^-2)
nh = %(nh)f
# average abundance (unit: solar)
abundance = %(abund)f
"""
def make_config(info, abund):
cfg_data = {
"abund": abund,
"nh": get_nh(info),
"redshift": get_redshift(info),
}
cfg = sample_config % cfg_data
return cfg
def get_abund(infile):
"""
Extract the average abundance from the input file.
"""
results = subprocess.run(["grep", "^abund", infile],
check=True, stdout=subprocess.PIPE)
abund = float(results.stdout.decode("utf-8").split()[1])
return abund
def main():
parser = argparse.ArgumentParser(
description="Make the config for 'calc_coolfunc.py'")
parser.add_argument("-j", "--json", dest="json", required=False,
help="the *_INFO.json file " +
"(default: find ../*_INFO.json)")
parser.add_argument("-c", "--cfg", dest="cfg",
required=False, default="global.cfg",
help="previous config file contains 'abund' " +
"(default: global.cfg)")
parser.add_argument("outfile", nargs="?", default="coolfunc.conf",
help="filename of the output coolfunc config " +
"(default: coolfunc.conf)")
args = parser.parse_args()
# default "*_INFO.json"
info_json = glob.glob("../*_INFO.json")[0]
if args.json:
info_json = args.json
abund = get_abund(args.cfg)
config = make_config(info_json, abund)
open(args.outfile, "w").write(config)
if __name__ == "__main__":
main()
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