"""Musician - the Discord music player service. Serves the music library index and keyword search the bot uses for Discord playback (/mp3, /update_mp3, /get_music) plus the file-share endpoints. Radio playlist management and the radio-log tailer moved to conjurer_betoniarka/betoniarka.py, which runs INSIDE the radio container as the same user as Liquidsoap - the musician no longer writes any radio files, so the old root-owned-network-share permission mess is gone. """ import json import logging import os import random import re import threading import time from datetime import datetime from logging import handlers from pathlib import Path from typing import List from flask import Flask, abort, jsonify, request from waitress import serve import media_search_functions def _env(name: str, default: str) -> str: return os.getenv(name, default) def _env_path(name: str, default: str) -> Path: value = os.getenv(name, default) return Path(value).expanduser().resolve() API_KEY = os.getenv("CONJURER_API_KEY") HOST_ADDRESS = _env("CONJURER_MUSICIAN_HOST", "0.0.0.0") PORT_ADDRESS = int(_env("CONJURER_MUSICIAN_PORT", "5000")) BASE_DIR = Path( os.getenv("CONJURER_MUSICIAN_BASE", str(Path(__file__).resolve().parent)) ) LOGFILE = _env_path( "CONJURER_MUSICIAN_LOG", str(BASE_DIR / "discord_mus_service.log") ) LOGSTORE = _env_path("CONJURER_LOGSTORE", str(BASE_DIR / "logs")) MUSIC_FOLDER = _env_path( "CONJURER_MUSIC_FOLDER", str(BASE_DIR / "music") ) ENCODING = _env("CONJURER_ENCODING", "utf-8") SEPARATOR_FILE_PATH = os.sep random.seed() music_file_list: List[str] = [] def _authorize_request() -> None: if API_KEY and request.headers.get("X-Conjurer-Api-Key") != API_KEY: abort(401) def rescan(): """Refresh the in-memory library index used by /mp3 and /get_music. Radio playlist files are NOT written here anymore - that is the betoniarka's job, colocated with Liquidsoap. """ logger = logging.getLogger("conjurer_musician") logger.info("Rescan triggered") music_file_list.clear() for mp3_item in MUSIC_FOLDER.glob("**/*.mp3"): temp_music_file = mp3_item.as_posix() if os.name == "nt": temp_music_file = temp_music_file.replace("/", "\\") music_file_list.append(temp_music_file) def thread_rescan(): """ The `thread_rescan` function periodically triggers a rescan operation after a specified time interval. """ logger = logging.getLogger("conjurer_musician") logger.info("Starting filesystemupdater") while True: time.sleep(60 * 60 * 24) logger.info("Rescan triggered") rescan() app = Flask(__name__) # AutoIndex(app, browse_root="/") # TODO: Odpalić wyszukiwarki w wątkach i dopiero po wszystkim zsumować wyszukiwanie. def wyszukaj(word_list, how_many, _logger=None, return_to_bot=True): """ Searches for music files based on a list of keywords and returns a list of matching files. Args: word_list (list): A list of keywords to search for. how_many (int): The maximum number of matching files to return. Returns: list: A list of matching files, sorted by their search weight. """ if _logger is None: fun_logger = logging.getLogger() else: fun_logger = _logger return_list = [] search_weight = [] for _ in range(len(music_file_list)): search_weight.append((0, "")) time_start = datetime.now() if int(how_many) > 0: skip_start = 2 else: skip_start = 1 for word in word_list[skip_start:]: token_weight = len(word) fun_logger.info("Słowo kluczowe: %s", word) itr = 0 for file in music_file_list: file = file.split(SEPARATOR_FILE_PATH) char_remove = [ ".", "^", "$", "*", "+", "?", "{", "}", "[", "]", "\\", "/", "|", "(", ")", "!", ",", "-", ":", "mp3", ] all_words = [] for f_iter in file: for char in char_remove: f_iter = remove_characters(f_iter, char) tmp = f_iter.split() all_words.extend(tmp) pingu = 1 pattern_len = len(all_words) if platform == "win32": skip = 2 else: skip = 4 matched_times = 1 # TODO: To do wątków albo for asynchroniczny for itm in all_words[skip:]: pingu += 1 pattern = ".*" + word + ".*" if re.match(pattern, itm, re.IGNORECASE): temp_weight = ( search_weight[itr][0] + (token_weight + (pingu**1.5) / pattern_len) / matched_times ) search_weight[itr] = ( temp_weight, music_file_list[itr], ) matched_times += 1 itr += 1 fun_logger.info( "Stworzylem tablice wag zajęło mi to %s", datetime.now() - time_start ) time_start = datetime.now() item_to_search = max_weight(search_weight) itr = 0 if item_to_search == 0: return [] not_found = True return_list = [] if int(how_many) <= 0: fun_logger.info("Jeden plik do zagrania") while not_found: if search_weight[itr][0] == item_to_search: return_list.append(search_weight[itr]) break itr += 1 else: fun_logger.info("Wiele plików do zagrania") search_weight.sort(key=lambda x: x[0], reverse=True) return_list.extend(search_weight[: int(how_many)]) fun_logger.info("Done: %s", return_list) return return_list def max_weight(lista): """ Take a list of weights and return the maximum weight. :param lista: It seems like the parameter `lista` is a list of items, possibly representing weights. The function name `max_weight` suggests that the function is intended to find the maximum weight from the list. However, without more context or information about the problem, it's difficult to say for sure what the """ maximum_weight = 0 for iterator in lista: if iterator[0] > maximum_weight: maximum_weight = iterator[0] return maximum_weight def remove_characters(string, character): """ The `remove_characters` function removes all occurrences of a specified character from a given string. :param string: The string parameter is the input string from which characters will be removed :param character: The character parameter is the character that you want to remove from the string :return: a new string where all occurrences of the specified character have been removed. """ return string.replace(character, "") @app.route('/get_share_list', methods=['POST']) def get_share_list(): _authorize_request() data = request.get_json() entries = data.get('entries') keywords = data.get('keywords') # Validate entries if not isinstance(entries, int) or not (1 <= entries <= 10): return jsonify({'error': '"entries" must be an integer between 1 and 10.'}), 400 # Validate keywords list if not isinstance(keywords, list) or not all(isinstance(k, str) for k in keywords): return jsonify({'error': '"keywords" must be a list of strings.'}), 400 # Call external search files = media_search_functions.find_matches(entries, keywords) # Return each file path as a JSON list return jsonify({'files': files}), 200 @app.route('/get_share_links', methods=['POST']) def get_share_links(): _authorize_request() data = request.get_json() file_paths = data.get('file_paths') # Validate file_paths list if not isinstance(file_paths, list) or not all(isinstance(p, str) for p in file_paths): return jsonify({'error': '"file_paths" must be a list of strings.'}), 400 # Call external publish links = media_search_functions.publish(file_paths) # Return list of published links return jsonify({'links': links}), 200 @app.route("/mp3", methods=["GET"]) def get_music_list(): """ The function `get_music_list` returns a JSON object containing a list of music files. :return: A JSON response containing a key "music_file_list" with the value of the variable `music_file_list`. """ return jsonify({"music_file_list": music_file_list}) @app.route("/update_mp3", methods=["POST"]) def update_music_list(): """ The function `update_music_list` receives a POST request with a JSON payload, logs the received item, adds it to a music file list, and returns a success message along with the updated record. :return: The function `update_music_list` is returning a tuple containing a JSON response and a status code. The JSON response includes keys `isError`, `message`, `statusCode`, and `data`, with values indicating the success of the operation and the data that was received and added to the `music_file_list`. The status code returned is 200, indicating a successful response. """ _authorize_request() record = json.loads(request.data) app.logger.info(record["item"]) music_file_list.append(record["item"]) return_data = ( jsonify(isError=False, message="Success", statusCode=200, data=record), 200, ) return return_data @app.route("/get_music", methods=["POST"]) def look_for_playlist(): """ The function `look_for_playlist` receives a POST request with a JSON payload, logs the received item, adds it to a music file list, and returns a success message along with the updated record. :return: A tuple containing a JSON response and a status code. The JSON response includes keys `isError`, `message`, `statusCode`, and `data`, with values indicating the success of the operation and the data that was received and added to the `music_file_list`. The status code returned is 200, indicating a successful response. """ _authorize_request() record = json.loads(request.data) app.logger.info(record) app.logger.info(record["lista_slow"]) app.logger.info(record["UUID"]) app.logger.info(record["dlugosc_plejlisty"]) return_data = wyszukaj( record["lista_slow"], record["dlugosc_plejlisty"], app.logger, True ) return_data = ( jsonify(isError=False, message="Success", statusCode=200, data=return_data), 200, ) return return_data def flask_debug(): """ The `flask_debug` function starts a Flask application in debug mode without using the reloader. Do not use for production for fucks sake. """ # trunk-ignore(bandit/B201) app.run(debug=True, use_reloader=False, host=HOST_ADDRESS, port=PORT_ADDRESS) def waitress_run(): """ The `waitress_run` function serves the `app` on host HOST_ADDRESS and port 5000 using the Waitress WSGI server. This function starts the Waitress server and listens for incoming requests on the specified host and port. It uses the `serve` function from the Waitress library to handle the serving process. Parameters: None Returns: None """ serve(app, host=HOST_ADDRESS, port=PORT_ADDRESS) if __name__ == "__main__": logger = logging.getLogger("conjurer_musician") logger.setLevel(logging.DEBUG) formatter = logging.Formatter( "%(asctime)s - %(name)s - %(levelname)s - %(message)s" ) handler = handlers.RotatingFileHandler( filename=LOGFILE, encoding=ENCODING, mode="a", maxBytes=6 * 1024 * 1024, backupCount=6, ) handler.setFormatter(formatter) logger.addHandler(handler) rescan() logger.info("Started") threads = [] # threads.append(threading.Thread(target=flask_debug)) threads.append(threading.Thread(target=waitress_run, daemon=True)) threads.append(threading.Thread(target=thread_rescan, daemon=True)) for worker in threads: worker.start() try: for worker in threads: worker.join() except KeyboardInterrupt: logger.info("Shutdown requested - exiting musician service")