create_json.py

#!/usr/bin/env python

import sys, re, json
from os import environ, popen
from os.path import dirname, realpath
from optparse import OptionParser

parser = OptionParser()
parser.add_option("--logfile")
parser.add_option("--jsonfile")
(options, args) = parser.parse_args()


def extract_data(inputfile):
    list_of_dicts = []
    with open(inputfile, "r") as file:
        first_char = file.read(1)
        if not first_char:
            print("Error: Input file is empty"), sys.exit(1)
        pattern = re.compile("^([a-z]+)\+([\w-]+)\+([\w.-]+)\s\(([\w]+)\)")
        matched_lines = [pattern.match(l) for l in file.readlines()]
        for line in matched_lines:
            if line:
                list_of_dicts.append(
                    dict(
                        package_type=line.group(1),
                        name=line.group(2),
                        ver_suffix=line.group(3),
                        hashtag=line.group(4),
                    )
                )
    return json.dumps(list_of_dicts, sort_keys=True, indent=2)


with open(options.jsonfile, "w") as file:
    file.write(extract_data(options.logfile))