pnut-matrix/database.py

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2019-01-04 03:49:38 +00:00
from sqlalchemy import create_engine
from sqlalchemy.orm import scoped_session, sessionmaker
from sqlalchemy.ext.declarative import declarative_base
import yaml
import os
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configyaml = os.environ.get("CONFIG_FILE")
with open(configyaml, "rb") as config_file:
config = yaml.load(config_file, Loader=yaml.SafeLoader)
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engine = create_engine(config['SERVICE_DB'])
db_session = scoped_session(sessionmaker(bind=engine))
Base = declarative_base()
Base.query = db_session.query_property()
def init_db():
# import all modules here that might define models so that
# they will be registered properly on the metadata. Otherwise
# you will have to import them first before calling init_db()
import models
Base.metadata.create_all(bind=engine)