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I have two Python files, one stored in the location /Python/plata.py, and another in the location /Python/tao/mock.py. This is what my plata.py file looks like::

def printSomething():
    print 'This is a test.'

I'm trying to import the printSomething() function inside my mock.py file as follows:

from . import plata

plata.printSomething()

However, this is the error I'm encountering:

Traceback (most recent call last):
File "/home/manas/Python/tao/mock.py", line 1, in <module>
from . import plata
ValueError: Attempted relative import in non-package

I've included the __init__.py files in locations /Python/__init__.py and /Python/tao/__init__.py as well. However, I'm still encountering the same error.

What seems to be wrong here?

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  • Are you running mock.py directly (as opposed to importing it from somewhere else)? Commented Sep 11, 2015 at 17:53
  • @BrenBarn I'm running it directly. Commented Sep 11, 2015 at 18:29

2 Answers 2

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5

The parent directory of the package is not being included in sys.path for obvious security reasons. But, anyway...

import sys
sys.path.append('..')

import plata

Hope this helps you!

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Comments

2

See What's the difference between a Python module and a Python package? for an explanation of Module vs Package. The short of it is that your Python directory is not a package. plata.py is a stand alone module and should be imported as import plata.

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1 Comment

The linked reason for this being a duplicate still does not explain to OP why adding random __init__.py files is not the answer. tao is a package, plata is a module. My linked answer is the real reason why this does not work.

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