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""""""
from contextlib import contextmanager
from mailman.config import config as mailman_config
from mailman.utilities.string import expand
from public import public
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from mailman_pgp.config import config
from mailman_pgp.model.base import Base
@public
class Database:
def __init__(self):
url = config.get('db', 'url')
self.url = expand(url, None, mailman_config.paths)
self.engine = create_engine(self.url)
Session = sessionmaker(bind=self.engine)
self.session = Session()
Base.metadata.create_all(self.engine)
self.session.commit()
@public
@contextmanager
def transaction():
try:
yield
except:
config.db.session.abort()
raise
else:
config.db.session.commit()
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