在控制台中运行init_db()将不起作用

时间:2015-01-14 03:25:08

标签: python flask

每当我尝试在python控制台中导入init db时:

>>from app.database import init_db
>>init_db()
init db
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "app\database.py", line 18, in init_db
    import models
ImportError: No module named models

这是我的app.database功能的内容:

from sqlalchemy import create_engine
from sqlalchemy.orm import scoped_session, sessionmaker
from sqlalchemy.ext.declarative import declarative_base
from config import SQLALCHEMY_DATABASE_URI

engine = create_engine(SQLALCHEMY_DATABASE_URI, convert_unicode=True)
db_session = scoped_session(sessionmaker(autocommit=False,
                                         autoflush=False,
                                         bind=engine))
Base = declarative_base()
Base.query = db_session.query_property()

def init_db():
    # import all modules here that might define models so that
    # they will be registered properly on the metadata.  Otherwise
    # you will have to import them first before calling init_db()
    print "init db"
    import models
    Base.metadata.create_all(bind=engine)

为什么会这样?

更新:这是我项目的结构。

app/
   filebase/
      init.py
      models.py
   users/
      init.py
      models.py
   projects/
      init.py
      models.py
init.py
database.py (this is where the init_db was defined

至于为什么看起来像这样的结构,原因是使项目以其形式模块化。

1 个答案:

答案 0 :(得分:0)

您需要models.py(或models包的)父目录位于sys.path。您可以将它放在控制台会话中,或者在shell中将其添加到环境变量PYTHON_PATH中,以便在进入控制台会话时设置它。