X-Git-Url: http://git.veekun.com/zzz-pokedex.git/blobdiff_plain/e436aa7bfeb905899777318818ac9c51c1917593..bd89c7ea21ac66f2dd50f19267465b3ae9a3b68a:/pokedex/db/__init__.py diff --git a/pokedex/db/__init__.py b/pokedex/db/__init__.py index c9b739d..99e058b 100644 --- a/pokedex/db/__init__.py +++ b/pokedex/db/__init__.py @@ -1,13 +1,24 @@ +import pkg_resources + from sqlalchemy import MetaData, Table, create_engine, orm from .tables import metadata -def connect(uri): +def connect(uri=None, **kwargs): """Connects to the requested URI. Returns a session object. + With the URI omitted, attempts to connect to a default SQLite database + contained within the package directory. + Calling this function also binds the metadata object to the created engine. """ + # Default to a URI within the package, which was hopefully created at some point + if not uri: + sqlite_path = pkg_resources.resource_filename('pokedex', + 'data/pokedex.sqlite') + uri = 'sqlite:///' + sqlite_path + ### Do some fixery for MySQL if uri[0:5] == 'mysql': # MySQL uses latin1 for connections by default even if the server is @@ -26,7 +37,9 @@ def connect(uri): conn = engine.connect() metadata.bind = engine - sm = orm.sessionmaker(autoflush=True, autocommit=False, bind=engine) + session_args = dict(autoflush=True, autocommit=False, bind=engine) + session_args.update(kwargs) + sm = orm.sessionmaker(**session_args) session = orm.scoped_session(sm) return session