Python init_app示例

示例#1

from app.core.helper import create_app
from app.core.db import db

# Development Config
config = 'config.dev'
# Production Config
# config = 'config.Prod'

app = create_app(config)
db.init_app(app)

# register blueprint

示例#2

文件： __init__.py 项目： sinar96/flask-app

from app.core.helper import create_app
from app.core.db import db
from app.user.views import user_views

# Development Config
config = 'config.dev'
# Production Config
# config = 'config.Prod'

app = create_app(config)
db.init_app(app)

# register blueprint
app.register_blueprint(user_views)

示例#3

def connect_db(app):
    db.init_app(app)
    #  初始化使用
    with app.app_context():  # 手动将app推入栈
        db.create_all()  # 首次模型映射(ORM ==> SQL),若无则建表