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Q&A Subfolders for package-less module imports

It looks like I was confused, and the problem I am asking about does not actually exist. Perhaps it existed in an older version, or perhaps I am simply misremembering. Regardless, I've seen other p...

posted 6mo ago by matthewsnyder‭  ·  edited 6mo ago by matthewsnyder‭

Answer
#2: Post edited by user avatar matthewsnyder‭ · 2024-06-02T20:51:58Z (6 months ago)
  • It looks like I was confused, and the problem I am asking about does not actually exist. Perhaps it existed in an older version, or perhaps I am simply misremembering. Regardless, I've seen other people get stuck on this, so I think posting an answer is more useful than deleting the question.
  • At least as of Python 3.12, you **can** import from subfolders without a package. Consider a file tree like this:
  • ```
  • main.py
  • foo.py
  • bar/baz.py
  • ```
  • The following is legal inside `main.py`:
  • ```
  • import foo
  • from bar import baz
  • baz.some_function()
  • ```
  • At least based on my tests. I don't remember any special configuration I did to make this work. For example, I did not explicitly add the current directory to the Python path, and in fact, `python /full/path/to/main.py` also works. If there is some special Python magic that is needed for this to work, that I have unwittingly set up on my system (maybe the Python package did it, or my shell...) then hopefully someone can point out in comments.
  • It looks like I was confused, and the problem I am asking about does not actually exist. Perhaps it existed in an older version, or perhaps I am simply misremembering. Regardless, I've seen other people get stuck on this, so I think posting an answer is more useful than deleting the question.
  • At least as of Python 3.12, you **can** import from subfolders without a package. Consider a file tree like this:
  • ```
  • main.py
  • foo.py
  • bar/baz.py
  • ```
  • The following is legal inside `main.py`:
  • ```
  • import foo
  • from bar import baz
  • baz.some_function()
  • ```
  • Note how `__init__.py` is not needed, at least based on my tests. I don't remember any special configuration I did to make this work. For example, I did not explicitly add the current directory to the Python path, and in fact, `python /full/path/to/main.py` also works. If there is some special Python magic that is needed for this to work, that I have unwittingly set up on my system (maybe the Python package did it, or my shell...) then hopefully someone can point out in comments.
#1: Initial revision by user avatar matthewsnyder‭ · 2024-06-02T20:51:39Z (6 months ago)
It looks like I was confused, and the problem I am asking about does not actually exist. Perhaps it existed in an older version, or perhaps I am simply misremembering. Regardless, I've seen other people get stuck on this, so I think posting an answer is more useful than deleting the question.

At least as of Python 3.12, you **can** import from subfolders without a package. Consider a file tree like this:

```
main.py
foo.py
bar/baz.py
```

The following is legal inside `main.py`:
```
import foo
from bar import baz

baz.some_function()
```

At least based on my tests. I don't remember any special configuration I did to make this work. For example, I did not explicitly add the current directory to the Python path, and in fact, `python /full/path/to/main.py` also works. If there is some special Python magic that is needed for this to work, that I have unwittingly set up on my system (maybe the Python package did it, or my shell...) then hopefully someone can point out in comments.