Speed up `import pokedex.db` slightly.

[zzz-pokedex.git] / pokedex / db / __init__.py

diff --git a/pokedex/db/__init__.py b/pokedex/db/__init__.py
index 5230508..e2790da 100644 (file)
--- a/pokedex/db/__init__.py
+++ b/pokedex/db/__init__.py
@@ -1,10 +1,11 @@
-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 ..defaults import get_default_db_uri
 from .tables import metadata

+from .multilang import MultilangSession, MultilangScopedSession

 
 
 
 

-def connect(uri=None, session_args={}, engine_args={}):
+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
     """Connects to the requested URI.  Returns a session object.
 
     With the URI omitted, attempts to connect to a default SQLite database


@@ -15,6 +16,8 @@ def connect(uri=None, session_args={}, engine_args={}):
 
     # If we didn't get a uri, fall back to the default
     if uri is None:
 
     # 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
         uri = get_default_db_uri()
 
     ### Do some fixery for MySQL


@@ -31,13 +34,14 @@ def connect(uri=None, session_args={}, engine_args={}):
             table.kwargs['mysql_charset'] = 'utf8'
 
     ### Connect
             table.kwargs['mysql_charset'] = 'utf8'
 
     ### Connect

-    engine = create_engine(uri, **engine_args)
+    engine_args[engine_prefix + 'url'] = uri
+    engine = engine_from_config(engine_args, prefix=engine_prefix)

     conn = engine.connect()
     metadata.bind = engine
 
     all_session_args = dict(autoflush=True, autocommit=False, bind=engine)
     all_session_args.update(session_args)
     conn = engine.connect()
     metadata.bind = engine
 
     all_session_args = dict(autoflush=True, autocommit=False, bind=engine)
     all_session_args.update(session_args)

-    sm = orm.sessionmaker(**all_session_args)
-    session = orm.scoped_session(sm)
+    sm = orm.sessionmaker(class_=MultilangSession, **all_session_args)
+    session = MultilangScopedSession(sm)

 
     return session
 
     return session