81 lines
2.0 KiB
Python
81 lines
2.0 KiB
Python
## You need the following additional packages for this example
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# aiopg
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# peewee_async
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# peewee
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## sanic imports
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from sanic import Sanic
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from sanic.response import json
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## peewee_async related imports
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import uvloop
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import peewee
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from peewee_async import Manager, PostgresqlDatabase
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# we instantiate a custom loop so we can pass it to our db manager
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loop = uvloop.new_event_loop()
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database = PostgresqlDatabase(database='test',
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host='127.0.0.1',
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user='postgres',
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password='mysecretpassword')
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objects = Manager(database, loop=loop)
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## from peewee_async docs:
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# Also there’s no need to connect and re-connect before executing async queries
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# with manager! It’s all automatic. But you can run Manager.connect() or
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# Manager.close() when you need it.
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# let's create a simple key value store:
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class KeyValue(peewee.Model):
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key = peewee.CharField(max_length=40, unique=True)
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text = peewee.TextField(default='')
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class Meta:
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database = database
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# create table synchronously
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KeyValue.create_table(True)
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# OPTIONAL: close synchronous connection
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database.close()
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# OPTIONAL: disable any future syncronous calls
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objects.database.allow_sync = False # this will raise AssertionError on ANY sync call
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app = Sanic('peewee_example')
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@app.route('/post/<key>/<value>')
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async def post(request, key, value):
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"""
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Save get parameters to database
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"""
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obj = await objects.create(KeyValue, key=key, text=value)
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return json({'object_id': obj.id})
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@app.route('/get')
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async def get(request):
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"""
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Load all objects from database
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"""
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all_objects = await objects.execute(KeyValue.select())
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serialized_obj = []
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for obj in all_objects:
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serialized_obj.append({
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'id': obj.id,
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'key': obj.key,
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'value': obj.text}
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)
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return json({'objects': serialized_obj})
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if __name__ == "__main__":
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app.run(host='0.0.0.0', port=8000, loop=loop)
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