invalidate_caches does not refresh the import when file has been changed on the disk about pyodide HOT 5 CLOSED

This isn't a bug in Pyodide because you'll get the same behavior in native Python.

from pyodide.

Yup, and just to help the noobie the solution is to use the following method to delete it from the cache between saves:

import sys
del sys.modules['mymodule']

so the full solution would be:

import importlib 
from pathlib import Path 
import time
import sys

del sys.modules['mymodule']
 
Path("mymodule.py").write_text("""\
def hello(): 
  print("hello world!") 
""" 
) 
# importlib.invalidate_caches() # Make sure Python notices the new .py file 
from mymodule import hello 
hello() 

del sys.modules['mymodule']

with open("mymodule.py", "w") as f:
     f.write("""\
def hello():  
  print("hola mundo!")  
""" )

# importlib.invalidate_caches()
from mymodule import hello  
hello()  # <-- 🕺 yea baby! "hola mundo!"

from pyodide.

It's hit or miss for me whether del sys.modukes['mymodule'] works. Which is strange. A bunch of other people report it working for them, but when I tried the code with del sys.modukes['mymodule'] I saw hello world twice. Otherwise I would have suggested it. No idea why other people see it working but I don't...

from pyodide.

That’s not good ;( I will have to test it thoroughly then :/

from pyodide.

I just tried your code out both in Pyodide and with native Python 3.11 on linux and both ways it worked the way you say it should. So hopefully I just messed up something silly when I tried it before.

from pyodide.