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#!/usr/bin/env python3
#
# Copyright (c) 2016 Aaron LI
# MIT license
#
# Extract the power excess index (PEI) results.
#
# Created: 2016-04-29
#
import sys
import json
import csv
import argparse
from collections import OrderedDict
def extract_pei(data):
"""
Extract the power excess index (PEI) results from the "data" dictionary.
"""
results = OrderedDict([
("name", data["name"]),
("obsid", data["obsid"]),
("r500_kpc", data["r500_kpc"]),
("r500_pix", data["r500_pix"]),
("kpc_per_pix", data["kpc_per_pix"]),
("area_total", data["area_total"]),
("area_below", data["area_below"]),
("pei", data["pei"]),
("pei_err", data["pei_err"]),
])
return results
def main():
parser = argparse.ArgumentParser(
description="Extract power excess index (PEI) results")
parser.add_argument("pei_json", help="json file conatins PEI results")
args = parser.parse_args()
pei_data = json.load(open(args.pei_json))
results = extract_pei(pei_data)
# output results
csv_writer = csv.writer(sys.stdout)
csv_writer.writerow(results.keys())
csv_writer.writerow(results.values())
if __name__ == "__main__":
main()
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