How do I unload (reload) a Python module?

Question

I have a long-running Python server and would like to be able to upgrade a service without restarting the server. What\'s the best way do do this?

if foo.py          


        

Answer 1

2018-02-01

1. module foo must be imported successfully in advance.
2. from importlib import reload, reload(foo)

31.5. importlib — The implementation of import — Python 3.6.4 documentation