121 lines
4.0 KiB
Python
121 lines
4.0 KiB
Python
"""Extracted from octo_updater.py. Keep this module focused on its named responsibility."""
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import json
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import hashlib
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import os
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import sys
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import ssl
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import re
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import subprocess
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import urllib.request
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from urllib.parse import urlsplit
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import shutil
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import stat
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import struct
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import time
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import math
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import threading
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import queue
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import json
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from functools import cache
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from pathlib import Path
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from .platform_ops import user_data_dir, user_config_dir
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UPDATER_VERSION = "1.3.1"
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SERVER = "https://octowow.st"
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UA = f"OctoUpdater/{UPDATER_VERSION}"
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DOWNLOAD_RETRY = 5
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DOWNLOAD_TIMEOUT = 10 # seconds without any data before a transfer aborts
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# Where the app lives: next to the .exe when frozen (PyInstaller), otherwise
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# next to this script — never the current working directory, which varies with
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# how the app was launched. This anchors the default game folder.
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if getattr(sys, "frozen", False):
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APP_DIR = os.path.dirname(os.path.abspath(sys.executable)) # Directory where frozen .exe is executed from
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#TODO : Compile into binary ? Make into AppImage ?
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else:
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APP_DIR = os.path.dirname(os.path.abspath(__file__)) # Directory where python3 script is executed from
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# Set env vars
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APP_DATA_DIR = user_data_dir()
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APP_CONFIG_DIR = user_config_dir()
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CONFIG_FILE = os.path.join(APP_CONFIG_DIR, "config.json") # TODO: Change this to point to ~/.config/OctoUpdater
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# TODO: Create the config directories on a linux host if they don't exist
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# First-run default game folder, anchored to the app dir (not the CWD).
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DEFAULT_GAME_DIR = os.path.join(APP_DIR, "OctoWoW") # NOTE: May need to change later to point to other dir
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def _relocate_legacy_data():
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# Old config (<1.3: octo_updater_config.json beside the app) becomes
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# config.json in APP_DATA_DIR. Rename + relocate, only when the old name
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# exists and the new path doesn't (idempotent). The legacy game-hash cache
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# is no longer used and is deleted by _migrate_1_3.
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old_name, new = "octo_updater_config.json", CONFIG_FILE
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for old in (os.path.join(APP_DIR, old_name),
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os.path.join(APP_DATA_DIR, old_name)):
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if old == new or not os.path.exists(old) or os.path.exists(new):
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continue
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try:
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shutil.move(old, new)
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break
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except OSError:
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pass
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_CONFIG_LOCK = threading.RLock()
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def load_config() -> dict:
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try:
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with open(CONFIG_FILE) as f:
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return json.load(f)
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except FileNotFoundError:
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return {}
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except Exception:
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return {}
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# NOTE: writes the config , using tempfile to prevent data loss
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def _atomic_write(path: str, text: str):
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"""Write via a temp file + atomic rename so a crash mid-write can never
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leave a truncated/corrupt file at `path`."""
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tmp = path + ".tmp"
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with open(tmp, "w") as f:
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f.write(text)
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f.flush()
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os.fsync(f.fileno())
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os.replace(tmp, path)
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# NOTE: executes write to config using thread safe lock ?
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def save_config(data: dict):
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with _CONFIG_LOCK:
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try:
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_atomic_write(CONFIG_FILE, json.dumps(data, indent=2))
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except Exception:
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pass
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def update_config(mutator):
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"""Load the current on-disk config under the lock, apply `mutator(cfg)`,
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save atomically, and return the result. Every config change — main thread
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or worker — should go through this so no stale in-memory snapshot can
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overwrite keys another thread just persisted."""
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with _CONFIG_LOCK:
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cfg = load_config()
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mutator(cfg)
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save_config(cfg)
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return cfg
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# ── logging ─────────────────────────────────────────────────────────────────
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# One thread-safe log sink for the whole app. Any function — worker thread or
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# main — calls log(); the GUI drains _LOG_Q on the main thread (see
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# OctoUpdaterApp._poll) and renders each line. This keeps all Tk access on the
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