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  1. import os
  2. import sys
  3. import tempfile
  4. import importlib
  5.  
  6.  
  7. # Create some module and import it
  8. dir = tempfile.TemporaryDirectory()
  9. os.mkdir(os.path.join(dir.name, 'test_package'))
  10. with open(os.path.join(dir.name, '__init__.py'), "w") as f:
  11.     f.write("\n")
  12. with open(os.path.join(dir.name, 'test_package', 'some_module.py'), "w") as f:
  13.     f.write("def a():\n    print(\"old\")\n    return 0\n")
  14. sys.path.insert(0, dir.name)
  15.  
  16. from test_package import some_module
  17.  
  18. # Check that imported code works as expected
  19. assert some_module.a() == 0
  20.  
  21. # Alter module and reload
  22. with open(os.path.join(dir.name, 'test_package', 'some_module.py'), "w") as f:
  23.     f.write("def a():\n    print(\"new\")\n    return 1\n")
  24.  
  25. importlib.reload(some_module)
  26.  
  27. # Check wether modifications have been reloaded
  28. assert some_module.a() == 1
  29.  
  30. sys.path.pop(0)
Runtime error #stdin #stdout #stderr 0.03s 47488KB
comments (?)
stdin
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Standard input is empty
stdout
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old
old
stderr
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Traceback (most recent call last):
  File "./prog.py", line 28, in <module>
    assert some_module.a() == 1
AssertionError
https://ideone.com/wtaENF
language:
Python 3 nbc (python 3.7.3)
created:
7 years ago
visibility:
public

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