46 lines
1.5 KiB
Python
46 lines
1.5 KiB
Python
# database.py
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from sqlalchemy.orm import Session
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from sqlalchemy import create_engine
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy.orm import sessionmaker
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from . import models
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import os
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# Get username and password from environment variables
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db_username = os.getenv("DB_USERNAME")
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db_password = os.getenv("DB_PASSWORD")
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# Construct the database URL
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#SQLALCHEMY_DATABASE_URL = f"mysql://{db_username}:{db_password}@localhost:3306/aare_db"
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SQLALCHEMY_DATABASE_URL = f"mysql://{db_username}:{db_password}@localhost:3306/aare_db"
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# Remove the `connect_args` parameter
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engine = create_engine(SQLALCHEMY_DATABASE_URL)
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SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
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Base = declarative_base()
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# Dependency
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def get_db():
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db = SessionLocal()
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try:
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yield db
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finally:
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db.close()
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def init_db():
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# Import models inside function to avoid circular dependency
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from . import models
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Base.metadata.create_all(bind=engine)
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def load_sample_data(session: Session):
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# Import models inside function to avoid circular dependency
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from .data import contacts, return_addresses, dewars, proposals, shipments, pucks, samples, dewar_types, serial_numbers, slots, sample_events
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# If any data already exists, skip seeding
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if session.query(models.ContactPerson).first():
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return
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session.add_all(contacts + return_addresses + dewars + proposals + shipments + pucks + samples + dewar_types + serial_numbers + slots + sample_events)
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session.commit() |