X-Git-Url: http://git.veekun.com/zzz-pokedex.git/blobdiff_plain/bad044d1d8753cf96a3cf0dc2236ffcb416dcc47..ec65b5ae366174912cedf0e263d425378220d70b:/pokedex/db/__init__.py diff --git a/pokedex/db/__init__.py b/pokedex/db/__init__.py index 0641391..a6c8f6e 100644 --- a/pokedex/db/__init__.py +++ b/pokedex/db/__init__.py @@ -1,13 +1,25 @@ -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 -def connect(uri): + +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 + contained within the package directory. + Calling this function also binds the metadata object to the created engine. """ + # 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': # MySQL uses latin1 for connections by default even if the server is @@ -15,16 +27,21 @@ def connect(uri): if 'charset' not in uri: uri += '?charset=utf8' - # Tables should be InnoDB, in the event that we're creating them + # Tables should be InnoDB, in the event that we're creating them, and + # use UTF-8 goddammit! for table in metadata.tables.values(): table.kwargs['mysql_engine'] = 'InnoDB' + 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 - sm = orm.sessionmaker(autoflush=True, autocommit=False, bind=engine) + 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 = orm.scoped_session(sm) return session