update_comic_files_from_diff.py

#!/usr/bin/env python3
# -*- coding:utf-8 -*-

"""
Update comic files using new files and old files generated by generate_comic_files.py
This script writes to local_files/new_comic_files.json
"""

import json
import os

file_names = [
    "catagory_pages.json",
    "chapter_pages.json",
    "section_pages.json",
    "comic_pages.json",
]

with open(
    os.path.join("local_files", "new_comic_files.json"), "w", encoding="utf-8"
) as fo:
    new_json_data = {}
    for file_name in file_names:
        assert os.path.exists(os.path.join("tracking_files", file_name))
        new_data = json.load(open(os.path.join("tracking_files", file_name)))
        if os.path.exists(os.path.join("local_files", "old_" + file_name)):
            old_data = json.load(open(os.path.join("local_files", "old_" + file_name)))
            for k, v in new_data.items():
                if k not in old_data:
                    new_json_data[k] = v
                else:
                    different = False
                    assert type(v) is dict and type(old_data[k]) is dict
                    if v != old_data[k]:
                        new_json_data[k] = v
        else:
            new_json_data.update(new_data)
    json.dump(new_json_data, fo, ensure_ascii=False, indent=4)