我的设置非常简单,但无法运行。我怀疑它与服务器地址有关(我认为应该是https://127.0.0.1:8050
),但不知道如何更改它。非常感谢您的建议。
-设置虚拟环境并安装dash
(使用pip install dash
)。它还安装了flask
我的应用程序基本设置:
import dash
import dash_html_components as html
app = dash.Dash()
app.layout = html.Div(
html.H1(children="Hello World!")
)
if __name__ == '__main__':
app.run_server(debug=True)
当我在终端中运行我的应用程序时,我得到以下错误:
(Dash) rene@ideapad:~/Projects/Dash$ python my_app.py
Running on http://x86_64-conda_cos6-linux-gnu:8050/
Debugger PIN: 287-942-334
* Serving Flask app "my_app" (lazy loading)
* Environment: production
WARNING: This is a development server. Do not use it in a production deployment.
Use a production WSGI server instead.
* Debug mode: on
Traceback (most recent call last):
File "my_app.py", line 12, in <module>
app.run_server(debug=True)
File "/home/rene/Environments/Dash/lib/python3.7/site-packages/dash/dash.py", line 1973, in run_server
self.server.run(host=host, port=port, debug=debug, **flask_run_options)
File "/home/rene/Environments/Dash/lib/python3.7/site-packages/flask/app.py", line 990, in run
run_simple(host, port, self, **options)
File "/home/rene/Environments/Dash/lib/python3.7/site-packages/werkzeug/serving.py", line 1030, in run_simple
s.bind(server_address)
socket.gaierror: [Errno -2] Name or service not known
我通过手动设置主机和端口解决了此问题:
但我仍然不知道它为什么开始使用
http://x86_64-conda_cos6-linux-gnu:8050
有什么建议吗
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