我的 Flask 项目的结构如下:
my_project
│
├── app
│ ├── __init__.py
│ ├── api
│ ├── static
│ └── templates
├── config.py
└── run.py
应用程序/__init__.py:
from flask import Flask
app = Flask(__name__)
app.config.from_object('config')
run.py
from app import app
app.run(
host=app.config.get('HOST', '0.0.0.0'),
port=app.config.get('PORT', 5000)
)
这以前有效,但我正在尝试将我的项目从 Python 2 迁移到 Python 3,然后运行python run.py
不再有效。我收到以下错误:
Traceback (most recent call last):
File "/Users/rasmi/Projects/my_project/run.py", line 3, in <module>
app.run(
AttributeError: module 'app' has no attribute 'run'
如果我更改导入样式run.py
来匹配一个here:
from .app import app
app.run(
host=app.config.get('HOST', '0.0.0.0'),
port=app.config.get('PORT', 5000)
)
我收到一个不同的错误:
Traceback (most recent call last):
File "/Users/rasmi/Projects/my_project/run.py", line 1, in <module>
from .app import app
ModuleNotFoundError: No module named '__main__.app'; '__main__' is not a package
包裹着我的app.run()
致电if __name__ == '__main__':
块产生相同的结果。是什么导致了这个问题?