Flask SQLAlchemy db.create_all（）無法在shell中創建數據庫

Question

我的英語不太好，希望你能幫助我。 我似乎無法弄清楚爲什麼我對db.create_all（）的調用不起作用。

無法創建數據庫並且沒有錯誤。

>>python manager.py shell 
>>from app import db 
>>db.create_all() 

目錄樹

CMDB/ 
├─app/ 
│ ├─auth/ 
│ ├─main/ 
│ ├─static/ 
│ ├─templates/ 
│ ├─__init__.py 
│ ├─config.conf 
│ ├─models.py 
├─manager.py 

__init__.py

from flask import Flask 
from flask_sqlalchemy import SQLAlchemy 


db = SQLAlchemy() 

def create_app(): 
app = Flask(__name__) 
app.config.from_pyfile('config.conf') 
db.init_app(app) 

from .main import main as main_blueprint 
from .auth import auth as auth_blueprint 
app.register_blueprint(main_blueprint) 
app.register_blueprint(auth_blueprint) 

return app 

config.conf

DEBUG = True 
SECRET_KEY = 'test' 
SQLALCHEMY_TRACK_MODIFICATIONS = True 
SQLALCHEMY_COMMIT_ON_TEARDOWN = True 
SQLALCHEMY_DATABASE_URI='mysql+pymysql://root:lzh3101977@127.0.0.1:3306/cmdb' 

models.py

from . import db 
from flask_sqlalchemy import SQLAlchemy 
from werkzeug.security import generate_password_hash,check_password_hash 
from flask_security import RoleMixin, UserMixin 

class Test(db.Model): 
__tablename__ = 'test' 
id = db.Column(db.Integer(), primary_key=True) 
test = db.Column(db.String(80)) 

manager.py

from flask_script import Manager,Shell 
from app import create_app,db 
from flask_migrate import Migrate,MigrateCommand 

app = create_app() 
manager = Manager(app) 


if __name__ == '__main__': 
    # app.run() 
    manager.run() 

Answer 1

到這裏看看：http://flask.pocoo.org/docs/0.12/patterns/sqlalchemy/

我想你錯過發動機創作。