diff --git a/examples/sanic_aiopg_example.py b/examples/sanic_aiopg_example.py index ff9ec65e..73ef6c64 100644 --- a/examples/sanic_aiopg_example.py +++ b/examples/sanic_aiopg_example.py @@ -1,3 +1,6 @@ +""" To run this example you need additional aiopg package + +""" import os import asyncio @@ -59,4 +62,4 @@ async def handle(request): if __name__ == '__main__': loop.run_until_complete(prepare_db()) - app.run(host="0.0.0.0", port=8100, workers=3, loop=loop) + app.run(host='0.0.0.0', port=8000, loop=loop) diff --git a/examples/sanic_aiopg_sqlalchemy_example.py b/examples/sanic_aiopg_sqlalchemy_example.py new file mode 100644 index 00000000..cb9f6c57 --- /dev/null +++ b/examples/sanic_aiopg_sqlalchemy_example.py @@ -0,0 +1,73 @@ +""" To run this example you need additional aiopg package + +""" +import os +import asyncio +import datetime + +import uvloop +from aiopg.sa import create_engine +import sqlalchemy as sa + +from sanic import Sanic +from sanic.response import json + +asyncio.set_event_loop_policy(uvloop.EventLoopPolicy()) + +database_name = os.environ['DATABASE_NAME'] +database_host = os.environ['DATABASE_HOST'] +database_user = os.environ['DATABASE_USER'] +database_password = os.environ['DATABASE_PASSWORD'] + +connection = 'postgres://{0}:{1}@{2}/{3}'.format(database_user, + database_password, + database_host, + database_name) +loop = asyncio.get_event_loop() + + +metadata = sa.MetaData() + +polls = sa.Table('sanic_polls', metadata, + sa.Column('id', sa.Integer, primary_key=True), + sa.Column('question', sa.String(50)), + sa.Column("pub_date", sa.DateTime)) + + +async def get_engine(): + return await create_engine(connection) + +app = Sanic(name=__name__) +engine = loop.run_until_complete(get_engine()) + + +async def prepare_db(): + """ Let's add some data + + """ + async with engine.acquire() as conn: + await conn.execute('DROP TABLE IF EXISTS sanic_polls') + await conn.execute("""CREATE TABLE sanic_polls ( + id serial primary key, + question varchar(50), + pub_date timestamp + );""") + for i in range(0, 100): + await conn.execute( + polls.insert().values(question=i, + pub_date=datetime.datetime.now()) + ) + + +@app.route("/") +async def handle(request): + async with engine.acquire() as conn: + result = [] + async for row in conn.execute(polls.select()): + result.append({"question": row.question, "pub_date": row.pub_date}) + return json({"polls": result}) + + +if __name__ == '__main__': + loop.run_until_complete(prepare_db()) + app.run(host='0.0.0.0', port=8000, loop=loop)