82 lines
2.3 KiB
Python
82 lines
2.3 KiB
Python
#!/usr/bin/python3
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import logging
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import sqlalchemy
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import pytiger.logging.config
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy import Column, Float, DateTime, Integer, String
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from sqlalchemy.orm.exc import NoResultFound
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from sqlalchemy.orm import sessionmaker
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# "Constants"
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DISPLAY_SQL = False
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MYSQL_CONNECT = "mysql+mysqldb://songdb:songdb@localhost/songdb"
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# Instantiate logging
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pytiger.logging.config.basic_config(stderr=False, level=logging.INFO)
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log = logging.getLogger(__name__)
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log.info("Starting")
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# Create session at the global level as per
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# https://docs.sqlalchemy.org/en/13/orm/session_basics.html
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# Set up database connection
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log.info("Connect to database")
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engine = sqlalchemy.create_engine(f"{MYSQL_CONNECT}?charset=utf8",
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encoding='utf-8',
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echo=DISPLAY_SQL)
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Base = declarative_base()
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Base.metadata.create_all(engine)
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# Create a Session
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Session = sessionmaker(bind=engine)
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session = Session()
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# Database classes
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class Tracks(Base):
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__tablename__ = 'tracks'
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id = Column(Integer, primary_key=True, autoincrement=True)
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title = Column(String(256), index=True)
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artist = Column(String(256), index=True)
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duration = Column(Integer, index=True)
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start_gap = Column(Integer, index=False)
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fade_at = Column(Integer, index=False)
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silence_at = Column(Integer, index=False)
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path = Column(String(2048), index=False, nullable=False)
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mtime = Column(Float, index=True)
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lastplayed = Column(DateTime, index=True, default=None)
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def __repr__(self):
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return (
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f"<Track(id={self.id}, title={self.title}, "
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f"artist={self.artist}, path={self.path}>"
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)
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@classmethod
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def get_or_create(cls, path):
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try:
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track = session.query(cls).filter(cls.path == path).one()
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except NoResultFound:
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track = Tracks()
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track.path = path
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session.add(track)
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return track
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@staticmethod
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def search_titles(text):
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return (
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session.query(Tracks)
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.filter(Tracks.title.ilike(f"%{text}%"))
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.order_by(Tracks.title)
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).all()
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@staticmethod
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def track_from_id(id):
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return session.query(Tracks).filter(
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Tracks.id == id).one()
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