Extract resources from har files

har_extract.py

import json
import jsbeautifier
import argparse

def get_args():
    parser = argparse.ArgumentParser(description="Extract resources from HAR file")
    parser.add_argument('--har', required=True, help='Har File')
    parser.add_argument('--filter', required=True, help='What the file needs to include to be downloaded', default=".js")
    args = parser.parse_args()
    return args

args = get_args()
# jq '.log | .entries | .[] | .request | select(.method | contains("POST")) | .postData' example.har
print("Opening {}".format(args.har))
with open(args.har) as json_file:
    data = json.load(json_file)
    for p in data["log"]['entries']:
        url = p['request']["url"]
        method = p['request']["method"]
        filename = url.split("/")[-1]
        print("{}: {}".format(method, url))
        if method == "GET" and filename.find(args.filter)!=-1:
            print("\tExtracting to {}".format(filename))
            content = p['response']["content"]["text"]
            if filename.find(".js")
                content = jsbeautifier.beautify(content)
            text_file = open(filename, "w")
            text_file.write(content)
            text_file.close()