Importing across a python package

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pkg/
    __init__.py
    foo.py
    bar.py
    baz.py
 

I have a bunch of module imports that are the same across foo.py, bar.py, and baz.py.

Is there a way I can do the imports in __init__.py? What would I have to write in foo.py?
Jun 3, 2019 in Python by ana1504.k
• 7,910 points
142 views

1 answer to this question.

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Placing the imports in __init__.py would be a bad idea; __init__.py is used as the contents of your module object, so it is a public interface. Also, __init_.py is imported initially when your package is imported, while you don't actually need the imports to occur until your submodules need them.

The best approach is to put common code in an internal detail module, marked with a single initial underscore (meaning "private"), e.g. _imports.py, then in your other files write from ._imports import *.
answered Jun 3, 2019 by SDeb
• 13,290 points

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