Question

Consider I have a directory called root that has two directories: x and y. I have a module file that resides in x, let us call that test.py. Now in y, I have a module that needs to call test.py

I am doing a simple:

from x import test

And it works. I was wondering, how this works?

EDIT: How it works, as in there was no __init__.py file in x, but yet from y I was able to call a module from there.

Answer 1

It doesn’t. You, or your operating system, or your Python site startup scripts, have modified PYTHONPATH.

14:59 jsmith@upsidedown pwd
/Users/jsmith/Test/Test2/root

14:59 jsmith@upsidedown cat x/test.py
def hello():
  print "hello"

14:59 jsmith@upsidedown cat y/real.py
#!/usr/bin/python
from x import test
test.hello()

14:59 jsmith@upsidedown y/real.py
Traceback (most recent call last):
  File "y/real.py", line 3, in <module>
    from x import test
ImportError: No module named x