peewee优雅的ORM框架-入门

pip install peewee

from peewee import *
from datetime import date
from playhouse.migrate import *

# 如果db不存在，会自动创建
db = SqliteDatabase('pp.db')

class people(Model):
    # 默认会有ID作为主键自增
    name = CharField()
    birth = DateField()
    people_status = BooleanField(default=True)
    class Meta:
        database = db

# connect db
db.connect()

# create table
db.create_tables([
    people,
])

# close db
db.close()

# add people
phyger = people(name='phyger1',birth=date(1990,1,1))
phyger.save()

# Too
pp = people.create(name='phyger2',birth=date(1991,1,2))
pp.save()

# search people
res = people.get_by_id(1)
print('ID为1的数据的name是：',res.name)


# search all (list)
ret = people.select()
for i in ret:
    print(i.id, i.name)

# where

rep = people.select().where(people.name == 'phyger2').get()
print('name为phyger2的ID是：',rep.id)

rea = people.select().where(people.people_status == True)
for i in rea:
    print(i.name)

# update info
rep = people.select().where(people.name == 'phyger2').get()

# modify status
rep.people_status=False
# don't forget save
rep.save()
# search phyger2's status
res = people.select().where(people.name == 'phyger2').get()
print("phyger2's status is : ",res.people_status)

# delete info
res = people.select().where(people.name == 'phyger1').get()
res.delete_instance()
res.save()

http://docs.peewee-orm.com/en/latest/peewee/quickstart.html