error when using import command in python

Question

I'm new to python and now learning how to to import a module or a function, but I got these posted errors. The python code is saved under the name: hello_module.py

python code:

def hello_func():
    print ("Hello, World!")
hello_func()
import hello_module
hello_module.hello_func()

error message:

Traceback (most recent call last):
  File "C:/Python33/hello_module.py", line 9, in <module>
    import hello_module
  File "C:/Python33\hello_module.py", line 10, in <module>
    hello_module.hello_func()
AttributeError: 'module' object has no attribute 'hello_func'

import hello_module should not be in hello_module.py. it doesn't make sense. — njzk2
– njzk2, Commented May 3, 2013 at 17:27

Martijn Pieters · Accepted Answer · 2013-05-03 17:09:37Z

4

You cannot and should not import your own module. You defined hello_func in the current namespace, just use that directly.

You can put the function in a separate file, then import that:

File foo.py:

def def hello_func():
    print ("Hello, World!")

File bar.py:
```
import foo

foo.hello_func()
```

and run bar.py as a script.

If you try to import your own module, it'll import itself again, and when you do that you import an incomplete module. It won't have it's attributes set yet, so hello_module.hello_func doesn't yet exist, and that breaks.

answered May 3, 2013 at 17:09

Martijn Pieters

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