Interaction between modules in python package

Question

For example, I have package X, which contains modules module1 and module2. In module1 I have a class MyClass, which I want to use in module2. Can I just do this in module2:

import module1

a = module1.MyClass()

?

I mean usage of relative path to module. In python documentation(in " Intra-package References" section) says, that in python2.7 we can use "import module1", but for python 3 they say, that we can use "from module1 import MyClass". But there are no information, is this first form prohibited. And this is my question.

Hawk · Accepted Answer · 2015-02-20 12:13:36Z

1

Why don't you try it out?

This code won't work. It needs to be

import module1

a = module1.MyClass()

I suggest reading up on packages and import. They can get more confusing when your package starts to grow.

answered Feb 20, 2015 at 12:13

Hawk

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2 Comments

artsin Over a year ago

Sorry, for lost "module1." part. But I mean usage of relative path to module. In python documentation(in " Intra-package References" section) says, that in python2.7 we can use "import module1", but for python 3 they say, that we can use "from module1 import MyClass". But there are no information, is this first form prohibited. And this is my question.

Hawk Over a year ago

"import module1" would import the entire module. You would be able to reach all code in the file using "module1.XXX". Using "from module1 import MyClass" only gives you MyClass. Python version isn't important for this, It should work in both.

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