https://github.com/snower/torpeewee

Tornado and asyncio asynchronous ORM by peewee
https://github.com/snower/torpeewee

mysql orm peewee postgresql pymysql tornado

Last synced: about 1 month ago
JSON representation

Tornado and asyncio asynchronous ORM by peewee

• Host: GitHub
• URL: https://github.com/snower/torpeewee
• Owner: snower
• License: mit
• Created: 2016-06-24T09:08:28.000Z (about 8 years ago)
• Default Branch: master
• Last Pushed: 2021-05-25T10:15:48.000Z (over 3 years ago)
• Last Synced: 2024-04-24T08:29:42.918Z (5 months ago)
• Topics: mysql, orm, peewee, postgresql, pymysql, tornado
• Language: Python
• Homepage:
• Size: 92.8 KB
• Stars: 26
• Watchers: 3
• Forks: 5
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

• starred-awesome - torpeewee - Tornado and asyncio asynchronous ORM by peewee (Python)

README

        
# torpeewee

[![Build Status](https://travis-ci.org/snower/torpeewee.svg?branch=master)](https://travis-ci.org/snower/torpeewee)

Tornado and asyncio asynchronous ORM by peewee

# About

torpeewee - Tornado and asyncio asynchronous ORM by peewee.

# Installation

    pip install torpeewee

# Examples

```python

# -*- coding: utf-8 -*-

# 16/7/7

# create by: snower

import datetime

import asyncio

from torpeewee import *

db = MySQLDatabase("test", host="127.0.0.1", port=3306, user="root", passwd="123456")

class BaseModel(Model):

    class Meta:

        database = db

class Test(BaseModel):

    id = IntegerField(primary_key= True)

    data = CharField(max_length=64, null=False)

    count = IntegerField(default=0)

    created_at = DateTimeField()

    updated_at = DateTimeField()

@db.transaction()

async def run_transaction(transaction):

    async for i in Test.use(transaction).select().order_by(Test.id.desc()).limit(2):

        print(i.id, i.data)

    print("")

    t = await Test.use(transaction).create(data="test", created_at=datetime.datetime.now(),

                                           updated_at=datetime.datetime.now())

    print(t.id, t.data)

    async for i in Test.select().order_by(Test.id.desc()).limit(2):

        print(i.id, i.data)

    print("")

    for i in (await Test.use(transaction).select().order_by(Test.id.desc()).limit(2)):

        print(i.id, i.data)

async def run():

    t = await Test.select().where(Test.id == 5).first()

    print(t)

    c = await Test.select().where(Test.id > 5).count()

    print(c)

    c = await Test.select().where(Test.id > 5).group_by(Test.data).count()

    print(c)

    for i in (await Test.select().where(Test.id > 5).where(Test.id<=10)):

        print(i.id, i.data)

    async for i in Test.select().order_by(Test.id.desc()).limit(2):

        print(i.id, i.data)

    t = await Test.create(data = "test", created_at=datetime.datetime.now(), updated_at=datetime.datetime.now())

    print(t.id, t.data)

    async for i in Test.select().order_by(Test.id.desc()).limit(2):

        print(i.id, i.data)

    print("")

    print("")

    t = await Test.select().order_by(Test.id.desc()).limit(1)[0]

    print(t.id, t.data, t.count)

    t.count += 1

    await t.save()

    t = await Test.select().order_by(Test.id.desc()).limit(1)[0]

    print(t.id, t.data, t.count)

    print("")

    print("")

    async with await db.transaction() as transaction:

        t = await Test.use(transaction).select().order_by(Test.id.desc()).limit(1)[0]

        print(t.id, t.data, t.count)

        t.count += 1

        await t.use(transaction).save()

        async for i in Test.use(transaction).select().order_by(Test.id.desc()).limit(2):

            print(i.id, i.data)

        print("")

        t = await Test.use(transaction).create(data="test", created_at=datetime.datetime.now(), updated_at=datetime.datetime.now())

        print(t.id, t.data)

        async for i in Test.select().order_by(Test.id.desc()).limit(2):

            print(i.id, i.data)

        print("")

        for i in (await Test.use(transaction).select().order_by(Test.id.desc()).limit(2)):

            print(i.id, i.data)

    print("")

    print("")

    await run_transaction()

loop = asyncio.get_event_loop()

loop.run_until_complete(run())

```

# License

torpeewee uses the MIT license, see LICENSE file for the details.