X-Git-Url: http://git.veekun.com/zzz-pokedex.git/blobdiff_plain/6af0c42ed6234d8db295b8bf3811fbacac75dbc6..0044b9932549d6d52e5e5690c2f8972acdf00c47:/pokedex/db/__init__.py diff --git a/pokedex/db/__init__.py b/pokedex/db/__init__.py index 99e058b..aa540a2 100644 --- a/pokedex/db/__init__.py +++ b/pokedex/db/__init__.py @@ -1,10 +1,11 @@ -import pkg_resources - -from sqlalchemy import MetaData, Table, create_engine, orm +from sqlalchemy import MetaData, Table, engine_from_config, orm +from ..defaults import get_default_db_uri from .tables import metadata +from .multilang import MultilangSession, MultilangScopedSession + -def connect(uri=None, **kwargs): +def connect(uri=None, session_args={}, engine_args={}, engine_prefix=''): """Connects to the requested URI. Returns a session object. With the URI omitted, attempts to connect to a default SQLite database @@ -13,14 +14,14 @@ def connect(uri=None, **kwargs): 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 + # If we didn't get a uri, fall back to the default + if uri is None: + uri = engine_args.get(engine_prefix + 'url', None) + if uri is None: + uri = get_default_db_uri() ### Do some fixery for MySQL - if uri[0:5] == 'mysql': + if uri.startswith('mysql:'): # MySQL uses latin1 for connections by default even if the server is # otherwise oozing with utf8; charset fixes this if 'charset' not in uri: @@ -33,13 +34,14 @@ def connect(uri=None, **kwargs): table.kwargs['mysql_charset'] = 'utf8' ### Connect - engine = create_engine(uri) + engine_args[engine_prefix + 'url'] = uri + engine = engine_from_config(engine_args, prefix=engine_prefix) conn = engine.connect() metadata.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) + all_session_args = dict(autoflush=True, autocommit=False, bind=engine) + all_session_args.update(session_args) + sm = orm.sessionmaker(class_=MultilangSession, **all_session_args) + session = MultilangScopedSession(sm) return session