Python Import class in init.py from file in same package

Question

I feel like I should know this, having programmed in Python for as long as I have, but I'm constantly learning new things about the fine lanuaguge. The question I have (which may very well be a duplicate, however I haven't been able to find this same case) is this. I have a file layout like this:

websocket/
    __init__.py
    client.py
    server.py

How can I import classes that are in the file __init__.py from client.py or server.py? Nice and simple :P Thanks in advance! My question isn't a duplicate of this because I am importing from inside the package, and at any rate, doing what the people did in the answer did not help at all.

possible duplicate of [How to import classes defined in \_\_init\_\_.py](http://stackoverflow.com/questions/582723/how-to-import-classes-defined-in-init-py) — Nagaraj Tantri, Jun 30 '15 at 02:08
@TonySuffolk66 I want to import a class in __init__.py from client.py — Jerfov2, Jul 02 '15 at 12:30
oh right - my question would then be - why define a class in the '__init__.py' file - i am not convinced that is ever a good idea — Tony Suffolk 66, Jul 03 '15 at 11:18

score 2 · Accepted Answer · edited Jan 21 '19 at 15:19

2

Names defined in a package __init__.py file are available as names in the package namespace itself.

Therefore, if you have a Connection class in your __init__ package, from inside the package you do import it the same way one making use of your package would: refer to it by the package name as in

from websocket import Connection

If for some reason your package is not configured in your pythonpath, or your directory name can change you can use a relative import - in that case, refer to the current package just as . that means that in your client.py you can just do:

from . import Connection

edited Jan 21 '19 at 15:19

brian d foy

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answered Jul 02 '15 at 22:41

jsbueno

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Thanks, I know what the problem was. I was trying to run `client.py` as the main file, and that didn't sit well with the interpreter for some reason. – Jerfov2 Jul 04 '15 at 13:57

Python Import class in init.py from file in same package

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Python Import class in __init__.py from file in same package

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Python Import class in init.py from file in same package