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Illustrate usage as a pre-commit hook additional dependency

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Valutazione

Difficoltà
1/5
Tempo stimato
Meno di un'ora
Idoneità per principianti
50/100
Tipo di issue
Documentazione
Chiarezza
Specificata chiaramente
Stato di attività
Ferma
Stack tecnologico
python
Ambito
documentation

Direzione di ricerca

Open README.md and find the Other Use Cases section. Review the pre-commit additional_dependencies and Python hook behavior described in the issue, then add the provided usage example if it fits the project documentation. Done means the README clearly explains this pre-commit configuration without any source-code changes.

Scritto dal modello di indicizzazione a partire dal testo della issue.

Descrizione

Summary (documentation)

This is an extremely helpful tool that can be used in loads of contexts!

One context that I've been using it in is as an additional dependency for pre-commit hooks where the hook(s) require environment variables to be defined.

Since pre-commit is a popular tool and setting environment variables for it isn't super obvious (hence lots of the feature requests, such as pre-commit#758), python-dotenv can help with a lot of the headache for Python-based hooks.

I don't expect this to be implemented since it still leaves a fair bit for the user to figure out (and it might be an inappropriate coupling), but on the off chance that this might be useful for other people, I'll add additional details below.

Details

Assuming that this is an appropriate way to use pre-commit and python-dotenv together, it would be awesome to see this documented in the Other Use Cases section of the README.md.

Note that this would not require any source code changes: python-dotenv would just be a dependency for other, already established hooks.

A minimal template for using python-dotenv in this way is:

# .pre-commit-config.yaml
---
repos:
  - repo: ...
    rev: ...
    hooks:
      - id: ...
        entry: dotenv run -- ...
        additional_dependencies: ["python-dotenv[cli]"]

This expects that:

  • The hook action that the user wants to expose environment variables to is configured with language: python
  • The user configuring their pre-commit file has replaced the ellipses ... with actual values (which assumes they know how to override the entry property)
Lingua principale
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