Break up logic and refactor command structure
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217
tarc/main.py
217
tarc/main.py
@ -18,7 +18,6 @@ from datetime import datetime, timezone
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import qbittorrentapi
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from sqlalchemy import create_engine, inspect
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from sqlalchemy.orm import Session
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from sqlalchemy.exc import DatabaseError
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from .models import Base, SchemaVersion, Client
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@ -90,121 +89,149 @@ def list_clients(engine):
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return session.query(Client).all()
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def auth_qbittorrent(endpoint, username, password):
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"""
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Authenticate with the qBittorrent client
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"""
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qb = qbittorrentapi.Client(host=endpoint, username=username, password=password)
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try:
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qb.auth_log_in()
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except qbittorrentapi.LoginFailed as e:
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raise ValueError(f'Login failed for endpoint "{endpoint}"') from e
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except Exception as e:
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raise ValueError(f"An unexpected error occurred: {str(e)}") from e
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if not re.match(r"^v?\d+(\.\d+)*$", qb.app.version):
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raise ValueError(f'Invalid version "{qb.app.version}" found at "{endpoint}"')
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return qb
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def scan_torrents(qb_client, debug=False):
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"""
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Scan torrents using the provided qBittorrent client.
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"""
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torrents = qb_client.torrents_info()
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print(f"[INFO]: There are {len(torrents)} torrents\n")
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for torrent in torrents[:2]:
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files = qb_client.torrents_files(torrent.hash)
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trackers = qb_client.torrents_trackers(torrent.hash)
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print(f"[name]: {torrent.name}")
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print(f"[infohash_v1]: {torrent.hash}")
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print(f"[content_path]: {torrent.content_path}")
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print(f"[magnet_uri]: {torrent.magnet_uri[:80]}")
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print(f"[completed_on]: {torrent.completed}\n")
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print(f"[trackers]: {len(trackers)}")
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print(f"[file_count]: {len(files)}\n")
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if debug:
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print(f"[DEBUG]: {repr(torrent)}")
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for elem in trackers:
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print(f"[DEBUG]: Tracker {repr(elem)}")
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print("\n", end="")
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def scan(args, engine):
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"""
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Scan command to authenticate with the qBittorrent client and scan torrents.
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"""
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if args.name:
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clients = find_client(engine, args.name)
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if len(clients) == 1:
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client_info = clients[0]
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qb_client = auth_qbittorrent(client_info.endpoint, client_info.username, args.password)
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scan_torrents(qb_client, debug=args.debug)
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elif len(clients) == 0:
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raise ValueError(
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f'Client with name "{args.name}" not found. '
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"Please use the 'client add' command to add a new client."
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)
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else:
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raise ValueError(
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f"Multiple clients with the same name: {args.name}"
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)
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elif args.directory:
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print("[INFO]: --directory is not implemented")
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else:
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raise ValueError("Must specify directory OR client name")
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def client_add(args, engine):
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"""
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Add a new client to the database.
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"""
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if args.name and args.endpoint and args.username:
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now = datetime.now(timezone.utc)
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add_client(engine, args.name, args.endpoint, now)
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print(f"[INFO]: Added client {args.name} ({args.endpoint})")
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else:
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raise ValueError("Must specify --name, --endpoint, and --username to add a client")
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def client_list(engine):
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"""
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List all stored clients.
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"""
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clients = list_clients(engine)
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for client in clients:
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print(f"{client.name} ({client.endpoint}) - Last seen: {client.last_seen}")
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def main():
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"""
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Entrypoint of the program.
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Parses command-line arguments and executes the corresponding command.
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"""
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parser = argparse.ArgumentParser(description="Manage BT archives", prog="tarc")
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subparsers = parser.add_subparsers(
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dest="command", required=True, help="Available commands"
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)
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# scan command
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scan_parser = subparsers.add_parser("scan", help="Scan command")
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scan_parser.add_argument("--debug", action="store_true", help="Enable debug mode")
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scan_parser.add_argument(
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"--confirm-add", action="store_true", help="Confirm adding a new client"
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)
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scan_parser.add_argument("-n", "--name", help="Name of client")
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scan_parser.add_argument("-d", "--directory", help="Directory to scan")
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scan_parser.add_argument("-t", "--type", help="Scan type")
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scan_parser.add_argument("-e", "--endpoint", help="Endpoint URL")
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scan_parser.add_argument("-u", "--username", help="Username")
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scan_parser.add_argument("-p", "--password", help="Password")
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scan_parser.add_argument("-s", "--storage", help="Path of sqlite3 database")
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# client command
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client_parser = subparsers.add_parser("client", help="Manage clients")
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client_subparsers = client_parser.add_subparsers(dest="client_command", required=True)
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# client add command
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client_add_parser = client_subparsers.add_parser("add", help="Add a new client")
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client_add_parser.add_argument("-n", "--name", required=True, help="Name of client")
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client_add_parser.add_argument(
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"-e", "--endpoint", required=True, help="Endpoint URL"
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)
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# client list command
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client_subparsers.add_parser("list", help="List all clients")
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args = parser.parse_args()
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if args.command == "scan":
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if args.storage is None:
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storage_path = os.path.expanduser("~/.tarc.db")
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else:
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storage_path = args.storage
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# Check for valid subcommand for client
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if args.command == "client" and args.client_command is None:
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parser.error("The 'client' command requires a subcommand (add or list).")
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try:
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engine = create_engine(f"sqlite:///{storage_path}")
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tables = list_tables(engine)
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except DatabaseError as e:
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print(f'[ERROR]: Database Error "{storage_path}" ({str(e)})')
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sys.exit(1)
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storage_path = os.path.expanduser("~/.tarc.db")
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engine = create_engine(f"sqlite:///{storage_path}")
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if not tables:
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print(f"[INFO]: Initializing database at {storage_path}")
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init_db(engine)
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if not list_tables(engine):
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print(f"[INFO]: Initializing database at {storage_path}")
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init_db(engine)
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schema_found = get_schema_version(engine)
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if schema_found is None:
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print("[ERROR]: Could not determine schema version")
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sys.exit(1)
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if not SCHEMA == schema_found:
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print(f"[ERROR]: SCHEMA {schema_found}, expected {SCHEMA}")
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sys.exit(1)
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schema_found = get_schema_version(engine)
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if schema_found != SCHEMA:
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raise ValueError(f"SCHEMA {schema_found}, expected {SCHEMA}")
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if args.directory is not None:
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print("[INFO]: --directory is not implemented")
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sys.exit(0)
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elif args.endpoint is not None:
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qb = qbittorrentapi.Client(host=args.endpoint,
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username=args.username, password=args.password)
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try:
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qb.auth_log_in()
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except qbittorrentapi.LoginFailed as e:
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print(f'[ERROR]: Login failed for endpoint "{args.endpoint}": {e}')
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sys.exit(1)
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if not re.match(r"^v?\d+(\.\d+)*$", qb.app.version):
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print(f'[ERROR]: Invalid version "{qb.app.version}" found at "{args.endpoint}"')
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sys.exit(1)
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else:
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print(f'[INFO]: Found qBittorrent {qb.app.version} at "{args.endpoint}"')
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clients = find_client(engine, args.endpoint)
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if args.confirm_add:
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if len(clients) == 0:
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if args.name is not None:
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now = datetime.now(timezone.utc)
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add_client(engine, args.name, args.endpoint, now)
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print(f"[INFO]: Added client {args.name} ({args.endpoint})")
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else:
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print("[ERROR]: Must specify --name for a new client")
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sys.exit(1)
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elif len(clients) == 1:
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print(f"[ERROR]: {clients[0][1]} ({clients[0][2]}) already exists")
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sys.exit(1)
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else:
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print(
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f"[ERROR]: Multiple clients with the same endpoint: {args.endpoint}"
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)
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sys.exit(1)
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elif len(clients) == 0:
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print(f'[ERROR]: Client using endpoint "{args.endpoint}" not found')
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print("[ERROR]: Use --confirm-add to add a new endpoint")
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sys.exit(1)
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elif len(clients) == 1:
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torrents = qb.torrents_info()
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print(f"[INFO]: There are {len(torrents)} torrents\n")
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for torrent in torrents[:2]:
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files = qb.torrents_files(torrent.hash)
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trackers = qb.torrents_trackers(torrent.hash)
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print(f"[name]: {torrent.name}")
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print(f"[infohash_v1]: {torrent.hash}")
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print(f"[content_path]: {torrent.content_path}")
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print(f"[magnet_uri]: {torrent.magnet_uri[:80]}")
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print(f"[completed_on]: {torrent.completed}\n")
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print(f"[trackers]: {len(trackers)}")
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print(f"[file_count]: {len(files)}\n")
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if args.debug:
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print(f"[DEBUG]: {repr(torrent)}")
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for elem in trackers:
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print(f"[DEBUG]: Tracker {repr(elem)}")
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print("\n", end="")
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else:
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print(
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f'[ERROR]: Multiple clients ({len(clients)}) using "{args.endpoint}"'
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)
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sys.exit(1)
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else:
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print("[ERROR]: Must specify directory OR client endpoint")
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sys.exit(1)
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try:
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if args.command == "scan":
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scan(args, engine)
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elif args.command == "client" and args.client_command == "add":
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client_add(args, engine)
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elif args.command == "client" and args.client_command == "list":
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client_list(engine)
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except ValueError as e:
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print(f"[ERROR]: {e}")
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sys.exit(1)
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if __name__ == "__main__":
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