Env Variable to Auto-Name and Recognize __pycache__ As .__pycache__

Feature or enhancement

Proposal:

Introduce a Bash environment variable (PYTHON_PYCACHE_HIDDEN) that, when set, automatically names and recognizes the __pycache__ directory as .__pycache__. This change aims to improve directory cleanliness by making the __pycache__ directory hidden by default, reducing visual clutter in project directories.

The __pycache__ directory, often clutters project directories. While necessary for Python's efficient execution, it can be an eyesore, especially in larger projects. Making this directory hidden by default would: improve directory readability, maintain compiled functionality, and introduce optional visibility.

Bottom line, __pycache__ directory enhances Python's execution efficiency by storing compiled bytecode, but its contents are rarely useful for regular viewing, cluttering project directories unnecessarily.

Has this already been discussed elsewhere?

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Links to previous discussion of this feature:

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この issue では、ファイル、テスト、エントリポイントが指定されていません。まず、CPython における pycache ディレクトリの命名と認識の処理箇所を特定し、次に環境変数がどのように処理されているかを確認してください。PYTHON_PYCACHE_HIDDEN の opt-in 設定によって一貫して .pycache が使用・認識され、コンパイル済みバイトコードの動作を壊さない状態になれば完了です。