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rreticulate
Abiel
Abiel

Reputation: 5475

Reloading Python modules with R reticulate package

I would like to know if there is a way to reload modules imported into R via the reticulate package, similar to the autoreload extension for IPython. For example, suppose I am developing my own module locally, I might import it via

library(reticulate)
import_from_path("mypackage", "/path/to/package")

However, if I make code changes to mypackage the only way I can think to reflect them is to restart R. This is consistent with normal Python behavior where modules cannot be reloaded. One workaround would be to source a file from the package in which I am making changes, i.e.

source_python("/path/to/package/file.py")

However, if file.py is importing other files in the local package that are being changed than changes to those files will not be reflected.

Upvotes: 9

Views: 1311

Answers (1)

Louis
Louis

Reputation: 846

It's possible by calling Python commands to reload:

For Python 2.7

> builtins <- import_builtins()
> builtins$reload(your_module)

For Python 3

> importlib <- import("importlib")
> importlib$reload(your_module)

Upvotes: 3

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