mirror of
https://github.com/veekun/pokedex.git
synced 2024-08-20 18:16:34 +00:00
31 lines
934 B
Python
31 lines
934 B
Python
|
from sqlalchemy import MetaData, Table, create_engine, orm
|
||
|
|
|
||
|
|
from .tables import metadata
|
||
|
|
|
||
|
|
def connect(uri):
|
||
|
|
"""Connects to the requested URI. Returns a session object.
|
||
|
|
|
||
|
|
Calling this function also binds the metadata object to the created engine.
|
||
|
|
"""
|
||
|
|
|
||
|
|
### Do some fixery for MySQL
|
||
|
|
if uri[0:5] == '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:
|
||
|
|
uri += '?charset=utf8'
|
||
|
|
|
||
|
|
# Tables should be InnoDB, in the event that we're creating them
|
||
|
|
for table in metadata.tables.values():
|
||
|
|
table.kwargs['mysql_engine'] = 'InnoDB'
|
||
|
|
|
||
|
|
### Connect
|
||
|
|
engine = create_engine(uri)
|
||
|
|
conn = engine.connect()
|
||
|
|
metadata.bind = engine
|
||
|
|
|
||
|
|
sm = orm.sessionmaker(autoflush=True, autocommit=False, bind=engine)
|
||
|
|
session = orm.scoped_session(sm)
|
||
|
|
|
||
|
|
return session
|