René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Default to stdout isatty for colour detection instead of stderr","articleBody":"# Bug report\n\n### Bug description:\n\nThe terminal colour detection defaults to checking `stderr`'s `isatty`, rather than `stdout`.\n\nAs suggested at https://github.com/python/cpython/issues/128317#issuecomment-2569566697, let's default to checking `stdout`'s `isatty` rather than `stderr`'s.\n\nHere some example output, plus when piping it:\n\n\u003ctable\u003e\n\u003ctr\u003e\u003cth width=50%\u003eNow\u003c/th\u003e\u003cth width=50%\u003eProposal\u003c/th\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cimg width=\"522\" alt=\"image\" src=\"https://github.com/user-attachments/assets/2133c94f-58b2-43fe-ba37-c70643aa8b16\" /\u003e\n\u003ctd\u003e\n\u003cimg width=\"519\" alt=\"image\" src=\"https://github.com/user-attachments/assets/bbbc954f-73a4-41a5-b087-aff24c2488a5\" /\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cimg width=\"656\" alt=\"image\" src=\"https://github.com/user-attachments/assets/00282bc7-ac09-4696-ab54-271ad6bb4555\" /\u003e\n\u003ctd\u003e\n\u003cimg width=\"513\" alt=\"image\" src=\"https://github.com/user-attachments/assets/5e873085-b162-46d1-8bff-d1c761659c30\" /\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cimg width=\"289\" alt=\"image\" src=\"https://github.com/user-attachments/assets/5d710bd6-0398-4c82-b6ae-f4c3877f2af4\" /\u003e\n\u003ctd\u003e\n\u003cimg width=\"289\" alt=\"image\" src=\"https://github.com/user-attachments/assets/636828a0-59cf-4145-8076-8e85ee840f2d\" /\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cimg width=\"317\" alt=\"image\" src=\"https://github.com/user-attachments/assets/9f80b722-4050-49df-8683-24d3a0cb6804\" /\u003e\n\u003ctd\u003e\n\u003cimg width=\"316\" alt=\"image\" src=\"https://github.com/user-attachments/assets/58d836f3-b9b9-4716-bedf-66f9c9d1c515\" /\u003e\n\u003c/table\u003e\n\n\n### CPython versions tested on:\n\n3.13, CPython main branch\n\n### Operating systems tested on:\n\nmacOS\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-128498\n* gh-128687\n* gh-128778\n* gh-129057\n* gh-129070\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/hugovk","@type":"Person","name":"hugovk"},"datePublished":"2025-01-07T19:47:30.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/128595/cpython/issues/128595"}