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Author SHA1 Message Date
Kris Lamoureux
fd149c9c7d Fix timestamp reference for completion dates 2025-03-21 00:47:00 -04:00
Kris Lamoureux
be330115a1 Add README and LICENSE files 2025-03-20 01:15:06 -04:00
Kris Lamoureux
6bc26b3abb Implement torrent scanning 
- Make the completed_on field nullable for in-progress
- Add __repr__ method to Torrent model for debugging
 2025-03-20 00:21:38 -04:00
Kris Lamoureux
613612415d Break up logic and refactor command structure 2025-03-15 12:42:05 -04:00
Kris Lamoureux
7b42d55cc1 Replace python-qbittorrent with qbittorrent-api 2025-03-10 16:02:37 -04:00
Kris Lamoureux
f325768c1b Migrate from raw SQL to SQLAlchemy ORM 2025-03-10 14:54:11 -04:00
5 changed files with 1005 additions and 216 deletions
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<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

39
README.md Normal file
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@@ -0,0 +1,39 @@
# tarc
tarc is an experimental tool for tracking datasets distributed through
BitTorrent. It scans your data and relates files to known BitTorrent
metadata.
## Quick Start
- Build the virtual environment and install tarc
```
make
```
- Use the newly built virtual environment
```
source venv/bin/activate
```
- Add qBittorrent client endpoint
```
tarc client add -n qbit -u admin -e "https://qbit.example.org"
```
- Scan the endpoint
```
tarc scan -n qbit -u admin -p password
```
## Copyright and License
Copyright (C) 2025 Kris Lamoureux
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation, version 3 of the License.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <https://www.gnu.org/licenses/>.

4
requirements.txt
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@@ -1,2 +1,2 @@
python-qbittorrent==0.4.3
sqlalchemy==2.0.27
qbittorrent-api==2025.2.0
SQLAlchemy==2.0.38

335
tarc/main.py
View File

@@ -15,193 +15,262 @@ import uuid
import argparse
from datetime import datetime, timezone
import qbittorrent
from sqlalchemy import create_engine, event
from sqlalchemy.orm import sessionmaker
import qbittorrentapi
from sqlalchemy import create_engine, inspect
from sqlalchemy.orm import Session
from .models import Base, Client
from .models import Base, SchemaVersion, Client, Torrent, TorrentFile
# SCHEMA format is YYYYMMDDX
SCHEMA = 202410060
SCHEMA = 202503100
def init_db(engine):
"""
Initialize database
"""
# Create all tables first
Base.metadata.create_all(engine)
# Set the schema version using SQLAlchemy primitives
@event.listens_for(engine, 'connect')
def set_sqlite_pragma(dbapi_connection, connection_record):
cursor = dbapi_connection.cursor()
cursor.execute(f"PRAGMA user_version = {SCHEMA}")
cursor.close()
with Session(engine) as session:
if not session.query(SchemaVersion).first():
now = datetime.now(timezone.utc)
version = SchemaVersion(version=SCHEMA, applied_at=now)
session.add(version)
session.commit()
def get_schema_version(engine):
"""
Get current schema version from database
"""
with Session(engine) as session:
version = session.query(SchemaVersion).order_by(SchemaVersion.id.desc()).first()
return version.version if version else None
def list_tables(engine):
"""
List all tables in database
"""
return Base.metadata.tables.keys()
inspector = inspect(engine)
return inspector.get_table_names()
def add_client(session, name, endpoint, last_seen):
def add_client(engine, name, endpoint, last_seen):
"""
Add a new client endpoint to database
"""
new_client = Client(
uuid=str(uuid.uuid4()),
name=name,
endpoint=endpoint,
last_seen=last_seen
with Session(engine) as session:
client = Client(
uuid=str(uuid.uuid4()), name=name, endpoint=endpoint, last_seen=last_seen
)
session.add(new_client)
session.add(client)
session.commit()
def find_client(session, endpoint):
def find_client(engine, name):
"""
Find existing client
"""
clients = session.query(Client.id, Client.name, Client.uuid).filter(Client.endpoint == endpoint).all()
with Session(engine) as session:
clients = session.query(Client).filter_by(name=name).all()
return clients
def list_clients(session):
def list_clients(engine):
"""
List all stored clients
"""
with Session(engine) as session:
return session.query(Client).all()
def auth_qbittorrent(endpoint, username, password):
"""
Authenticate with the qBittorrent client
"""
qb = qbittorrentapi.Client(host=endpoint, username=username, password=password)
try:
qb.auth_log_in()
except qbittorrentapi.LoginFailed as e:
raise ValueError(f'Login failed for endpoint "{endpoint}"') from e
except Exception as e:
raise ValueError(f"An unexpected error occurred: {str(e)}") from e
if not re.match(r"^v?\d+(\.\d+)*$", qb.app.version):
raise ValueError(f'Invalid version "{qb.app.version}" found at "{endpoint}"')
return qb
def scan_torrents(qb_client, engine):
"""
Scan torrents using the provided qBittorrent client.
"""
torrents = qb_client.torrents_info()
with Session(engine) as session:
for torrent in torrents:
files = qb_client.torrents_files(torrent.hash)
torrent_instance = (
session.query(Torrent).filter_by(info_hash_v1=torrent.hash).first()
)
if not torrent_instance:
completed_on = (
datetime.fromtimestamp(torrent.completion_on)
if torrent.completion_on
else None
)
torrent_instance = Torrent(
info_hash_v1=torrent.hash,
file_count=len(files),
completed_on=completed_on,
)
session.add(torrent_instance)
session.commit()
torrent_instance = (
session.query(Torrent).filter_by(info_hash_v1=torrent.hash).first()
)
if not torrent_instance:
print(f"[ERROR]: Can't find just added torrent {torrent.name}")
raise ValueError(f"Can't find {torrent.hash}")
file_counter = 0
for file in files:
if (
not session.query(TorrentFile)
.filter_by(file_path=file.name)
.first()
):
torrent_file_instance = TorrentFile(
torrent_id=torrent_instance.id,
file_id=file.id,
client_id=1,
file_index=file.index,
file_path=file.name,
is_downloaded=file.progress == 1,
last_checked=datetime.now(timezone.utc),
)
session.add(torrent_file_instance)
file_counter += 1
session.commit()
if file_counter > 0:
print(torrent.hash)
elif torrent.progress == 1:
print(f"[CHECKED]: {torrent.name}")
def scan(args, engine):
"""
Scan command to authenticate with the qBittorrent client and scan torrents.
"""
if args.name:
clients = find_client(engine, args.name)
if len(clients) == 1:
client_info = clients[0]
qb_client = auth_qbittorrent(
client_info.endpoint, args.username, args.password
)
scan_torrents(qb_client, engine)
elif len(clients) == 0:
raise ValueError(
f'Client with name "{args.name}" not found. '
"Please use the 'client add' command to add a new client."
)
else:
raise ValueError(f"Multiple clients with the same name: {args.name}")
elif args.directory:
print("[INFO]: --directory is not implemented")
else:
raise ValueError("Must specify directory OR client name")
def client_add(args, engine):
"""
Add a new client to the database.
"""
if args.name and args.endpoint and args.username:
now = datetime.now(timezone.utc)
add_client(engine, args.name, args.endpoint, now)
print(f"[INFO]: Added client {args.name} ({args.endpoint})")
else:
raise ValueError(
"Must specify --name, --endpoint, and --username to add a client"
)
def client_list(engine):
"""
List all stored clients.
"""
clients = list_clients(engine)
for client in clients:
print(f"NAME: {client.name}")
print(f"ENDPOINT: {client.endpoint}")
print(f"SEEN: {client.last_seen}")
print()
def main():
"""
Entrypoint of the program.
Parses command-line arguments and executes the corresponding command.
"""
parser = argparse.ArgumentParser(description="Manage BT archives", prog="tarc")
subparsers = parser.add_subparsers(
dest="command", required=True, help="Available commands"
)
# scan command
scan_parser = subparsers.add_parser("scan", help="Scan command")
scan_parser.add_argument("--debug", action="store_true", help="Enable debug mode")
scan_parser.add_argument(
"--confirm-add", action="store_true", help="Confirm adding a new client"
)
scan_parser.add_argument("-n", "--name", help="Name of client")
scan_parser.add_argument("-d", "--directory", help="Directory to scan")
scan_parser.add_argument("-t", "--type", help="Scan type")
scan_parser.add_argument("-e", "--endpoint", help="Endpoint URL")
scan_parser.add_argument("-u", "--username", help="Username")
scan_parser.add_argument("-p", "--password", help="Password")
scan_parser.add_argument("-s", "--storage", help="Path of sqlite3 database")
scan_parser.add_argument("-u", "--username", required=True, help="Username")
scan_parser.add_argument("--debug", action="store_true", help="Enable debug mode")
scan_parser.add_argument(
"-p", "--password", required=True, help="Password authentication"
)
# client command
client_parser = subparsers.add_parser("client", help="Manage clients")
client_subparsers = client_parser.add_subparsers(
dest="client_command", required=True
)
# client add command
client_add_parser = client_subparsers.add_parser("add", help="Add a new client")
client_add_parser.add_argument("-n", "--name", required=True, help="Name of client")
client_add_parser.add_argument("-u", "--username", required=True, help="Username")
client_add_parser.add_argument(
"-e", "--endpoint", required=True, help="Endpoint URL"
)
# client list command
client_subparsers.add_parser("list", help="List all clients")
args = parser.parse_args()
if args.command == "scan":
if args.storage is None:
STORAGE = os.path.expanduser("~/.tarch.db")
else:
STORAGE = args.storage
try:
engine = create_engine(f"sqlite:///{STORAGE}")
tables = list_tables(engine)
Session = sessionmaker(bind=engine)
session = Session()
except Exception as e:
print(f'[ERROR]: Database Error "{STORAGE}" ({str(e)})')
sys.exit(1)
if len(tables) == 0:
print(f"[INFO]: Initializing database at {STORAGE}")
# Check for valid subcommand for client
if args.command == "client" and args.client_command is None:
parser.error("The 'client' command requires a subcommand (add or list).")
storage_path = os.path.expanduser("~/.tarc.db")
engine = create_engine(f"sqlite:///{storage_path}")
if not list_tables(engine):
print(f"[INFO]: Initializing database at {storage_path}")
init_db(engine)
# Check schema version using SQLAlchemy primitives
schema_found = None
schema_found = get_schema_version(engine)
if schema_found != SCHEMA:
raise ValueError(f"SCHEMA {schema_found}, expected {SCHEMA}")
@event.listens_for(engine, 'connect')
def get_sqlite_pragma(dbapi_connection, connection_record):
nonlocal schema_found
cursor = dbapi_connection.cursor()
cursor.execute("PRAGMA user_version")
schema_found = cursor.fetchone()[0]
cursor.close()
# Force a connection to trigger the event
with engine.connect() as conn:
pass
if not SCHEMA == schema_found:
print(f"[ERROR]: SCHEMA {schema_found}, expected {SCHEMA}")
sys.exit(1)
if not args.directory is None:
print("[INFO]: --directory is not implemented")
sys.exit(0)
elif not args.endpoint is None:
qb = qbittorrent.Client(args.endpoint)
if args.username and args.password:
qb.login(args.username, args.password)
if qb.qbittorrent_version is None:
print(f'[ERROR]: Couldn\'t find client version at "{args.endpoint}"')
sys.exit(1)
elif not re.match(r"^v?\d+(\.\d+)*$", qb.qbittorrent_version):
print(f'[ERROR]: Invalid version found at "{args.endpoint}"')
if args.debug:
print(f"[DEBUG]: {qb.qbittorrent_version}")
sys.exit(1)
else:
print(
f'[INFO]: Found qbittorrent {qb.qbittorrent_version} at "{args.endpoint}"'
)
clients = find_client(session, args.endpoint)
if args.confirm_add:
if len(clients) == 0:
if not args.name is None:
now = datetime.now(timezone.utc)
add_client(session, args.name, args.endpoint, now)
print(f"[INFO]: Added client {args.name} ({args.endpoint})")
else:
print("[ERROR]: Must specify --name for a new client")
sys.exit(1)
elif len(clients) == 1:
print(f"[ERROR]: {clients[0][1]} ({clients[0][2]}) already exists")
sys.exit(1)
else:
print(
f"[ERROR]: Multiple clients with the same endpoint: {args.endpoint}"
)
sys.exit(1)
elif len(clients) == 0:
print(f'[ERROR]: Client using endpoint "{args.endpoint}" not found')
print("[ERROR]: Use --confirm-add to add a new endpoint")
sys.exit(1)
elif len(clients) == 1:
torrents = qb.torrents()
print(f"[INFO]: There are {len(torrents)} torrents\n")
for torrent in torrents[:2]:
files = qb.get_torrent_files(torrent["hash"])
trackers = qb.get_torrent_trackers(torrent["hash"])
print(f"[name]: {torrent['name']}")
print(f"[infohash_v1]: {torrent['infohash_v1']}")
print(f"[content_path]: {torrent['content_path']}")
print(f"[magent_uri]: {torrent['magnet_uri'][0:80]}")
print(f"[completed_on]: {torrent['completed']}")
print(f"[trackers]: {len(trackers)}")
print(f"[file_count]: {len(files)}\n")
if args.debug:
print(f"[DEBUG]: {repr(torrent)}")
for elem in trackers:
print(f"[DEBUG]: Tracker {repr(elem)}")
print("\n", end="")
else:
print(
f'[ERROR]: Multiple clients ({len(clients)}) using "{args.endpoint}"'
)
sys.exit(1)
else:
print("[ERROR]: Must specify directory OR client endpoint")
try:
if args.command == "scan":
scan(args, engine)
elif args.command == "client" and args.client_command == "add":
client_add(args, engine)
elif args.command == "client" and args.client_command == "list":
client_list(engine)
except ValueError as e:
print(f"[ERROR]: {e}")
sys.exit(1)

137
tarc/models.py
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@@ -1,109 +1,116 @@
#!/usr/bin/env python3
"""
Database models for Torrent Archiver
"""
"""SQLAlchemy models for the tarc database."""
from sqlalchemy import Column, Integer, String, Boolean, DateTime, ForeignKey, UniqueConstraint
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import relationship
from sqlalchemy import (
Column,
Integer,
String,
DateTime,
Boolean,
ForeignKey,
UniqueConstraint,
)
from sqlalchemy.orm import declarative_base
Base = declarative_base()
class Client(Base):
__tablename__ = 'clients'
id = Column(Integer, primary_key=True, autoincrement=True)
class SchemaVersion(Base): # pylint: disable=too-few-public-methods
"""Database schema version tracking."""
__tablename__ = "schema_version"
id = Column(Integer, primary_key=True)
version = Column(Integer, nullable=False)
applied_at = Column(DateTime, nullable=False)
class Client(Base): # pylint: disable=too-few-public-methods
"""BitTorrent client instance."""
__tablename__ = "clients"
id = Column(Integer, primary_key=True)
name = Column(String, nullable=False, unique=True)
uuid = Column(String, nullable=False, unique=True)
endpoint = Column(String, nullable=False)
last_seen = Column(DateTime, nullable=False)
torrent_clients = relationship("TorrentClient", back_populates="client")
torrent_trackers = relationship("TorrentTracker", back_populates="client")
torrent_files = relationship("TorrentFile", back_populates="client")
class Torrent(Base): # pylint: disable=too-few-public-methods
"""BitTorrent metadata."""
class Torrent(Base):
__tablename__ = 'torrents'
id = Column(Integer, primary_key=True, autoincrement=True)
__tablename__ = "torrents"
id = Column(Integer, primary_key=True)
info_hash_v1 = Column(String, nullable=False, unique=True)
info_hash_v2 = Column(String, unique=True)
file_count = Column(Integer, nullable=False)
completed_on = Column(DateTime, nullable=False)
completed_on = Column(DateTime)
torrent_clients = relationship("TorrentClient", back_populates="torrent")
torrent_trackers = relationship("TorrentTracker", back_populates="torrent")
torrent_files = relationship("TorrentFile", back_populates="torrent")
def __repr__(self):
"""Return a string representation of the Torrent object."""
return (
f"Torrent(id={self.id}, "
f"info_hash_v1='{self.info_hash_v1}', "
f"info_hash_v2='{self.info_hash_v2}', "
f"file_count={self.file_count}, "
f"completed_on='{self.completed_on}')"
)
class TorrentClient(Base):
__tablename__ = 'torrent_clients'
class TorrentClient(Base): # pylint: disable=too-few-public-methods
"""Association between torrents and clients."""
id = Column(Integer, primary_key=True, autoincrement=True)
torrent_id = Column(Integer, ForeignKey('torrents.id'), nullable=False)
client_id = Column(Integer, ForeignKey('clients.id'), nullable=False)
__tablename__ = "torrent_clients"
id = Column(Integer, primary_key=True)
torrent_id = Column(Integer, ForeignKey("torrents.id"), nullable=False)
client_id = Column(Integer, ForeignKey("clients.id"), nullable=False)
name = Column(String, nullable=False)
content_path = Column(String, nullable=False)
last_seen = Column(DateTime, nullable=False)
torrent = relationship("Torrent", back_populates="torrent_clients")
client = relationship("Client", back_populates="torrent_clients")
__table_args__ = (UniqueConstraint('torrent_id', 'client_id'),)
__table_args__ = (UniqueConstraint("torrent_id", "client_id"),)
class Tracker(Base):
__tablename__ = 'trackers'
class Tracker(Base): # pylint: disable=too-few-public-methods
"""BitTorrent tracker information."""
id = Column(Integer, primary_key=True, autoincrement=True)
__tablename__ = "trackers"
id = Column(Integer, primary_key=True)
url = Column(String, nullable=False, unique=True)
last_seen = Column(DateTime, nullable=False)
torrent_trackers = relationship("TorrentTracker", back_populates="tracker")
class TorrentTracker(Base): # pylint: disable=too-few-public-methods
"""Association between torrents and trackers."""
class TorrentTracker(Base):
__tablename__ = 'torrent_trackers'
id = Column(Integer, primary_key=True, autoincrement=True)
client_id = Column(Integer, ForeignKey('clients.id'), nullable=False)
torrent_id = Column(Integer, ForeignKey('torrents.id'), nullable=False)
tracker_id = Column(Integer, ForeignKey('trackers.id'), nullable=False)
__tablename__ = "torrent_trackers"
id = Column(Integer, primary_key=True)
client_id = Column(Integer, ForeignKey("clients.id"), nullable=False)
torrent_id = Column(Integer, ForeignKey("torrents.id"), nullable=False)
tracker_id = Column(Integer, ForeignKey("trackers.id"), nullable=False)
last_seen = Column(DateTime, nullable=False)
client = relationship("Client", back_populates="torrent_trackers")
torrent = relationship("Torrent", back_populates="torrent_trackers")
tracker = relationship("Tracker", back_populates="torrent_trackers")
__table_args__ = (UniqueConstraint('client_id', 'torrent_id', 'tracker_id'),)
__table_args__ = (UniqueConstraint("client_id", "torrent_id", "tracker_id"),)
class File(Base):
__tablename__ = 'files'
class File(Base): # pylint: disable=too-few-public-methods
"""File metadata and hashes."""
id = Column(Integer, primary_key=True, autoincrement=True)
__tablename__ = "files"
id = Column(Integer, primary_key=True)
size = Column(Integer, nullable=False)
oshash = Column(String, nullable=False, unique=True)
hash = Column(String, unique=True)
torrent_files = relationship("TorrentFile", back_populates="file")
class TorrentFile(Base): # pylint: disable=too-few-public-methods
"""Association between torrents and files."""
class TorrentFile(Base):
__tablename__ = 'torrent_files'
id = Column(Integer, primary_key=True, autoincrement=True)
file_id = Column(Integer, ForeignKey('files.id'), nullable=False)
torrent_id = Column(Integer, ForeignKey('torrents.id'), nullable=False)
client_id = Column(Integer, ForeignKey('clients.id'), nullable=False)
__tablename__ = "torrent_files"
id = Column(Integer, primary_key=True)
file_id = Column(Integer, ForeignKey("files.id"), nullable=False)
torrent_id = Column(Integer, ForeignKey("torrents.id"), nullable=False)
client_id = Column(Integer, ForeignKey("clients.id"), nullable=False)
file_index = Column(Integer, nullable=False)
file_path = Column(String, nullable=False)
is_downloaded = Column(Boolean, nullable=False)
last_checked = Column(DateTime, nullable=False)
file = relationship("File", back_populates="torrent_files")
torrent = relationship("Torrent", back_populates="torrent_files")
client = relationship("Client", back_populates="torrent_files")
__table_args__ = (UniqueConstraint('file_id', 'torrent_id', 'client_id', 'file_index'),)
__table_args__ = (
UniqueConstraint("file_id", "torrent_id", "client_id", "file_index"),
)