我正在尝试使用flask_socketio库,遵循文档:https://python-socketio.readthedocs.io/en/latest/intro.html#what-is-socket-io
我有一个名为 socketio.py 的文件,并尝试使用他们的示例代码:
from flask import Flask, render_template
from flask_socketio import SocketIO
app = Flask(__name__)
app.config['SECRET_KEY'] = 'secret!'
socketio = SocketIO(app)
if __name__ == '__main__':
socketio.run(app)
尝试通过 python3 ($ python3 socketio.py) 运行时出现此错误
Traceback (most recent call last):
File "socketio.py", line 2, in <module>
from flask_socketio import SocketIO
File "/usr/local/lib/python3.8/dist-packages/flask_socketio/__init__.py", line 21, in <module>
import socketio
File "socketio.py", line 2, in <module>
from flask_socketio import SocketIO
ImportError: cannot import name 'SocketIO' from partially initialized module 'flask_socketio' (most likely due to a circular import) (/usr/local/lib/python3.8/dist-packages/flask_socketio/__init__.py)
当我尝试使用flask run运行它时,出现此错误
Error: While importing "socketio", an ImportError was raised:
Traceback (most recent call last):
File "python3.8/site-packages/flask/cli.py", line 240, in locate_app
__import__(module_name)
File "socketio.py", line 2, in <module>
from flask_socketio import SocketIO
File "/usr/local/lib/python3.8/dist-packages/flask_socketio/__init__.py", line 22, in <module>
from socketio.exceptions import ConnectionRefusedError # noqa: F401
ModuleNotFoundError: No module named 'socketio.exceptions'; 'socketio' is not a package
我已经尝试卸载 socketio 并重新安装和flask-socketio,因为如果两者都安装似乎有问题,但它仍然继续给出相同的错误。
答案 0 :(得分:1)
我可以看到您已将您的程序命名为 socketio.py
。这与 flask_socketio
使用的 socketio 模块冲突。重命名您的文件名并尝试运行。