René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Reduce overhead to add/remove asyncio readers and writers","articleBody":"# Pitch\r\n\r\nThe current code path for adding and removing asyncio readers and writers always has to do a `try` `except KeyError` to add a new reader/writer\r\n\r\nhttps://github.com/python/cpython/blob/b3648f036e502db7e7da951ec4eb1f205cb3d74e/Lib/asyncio/selector_events.py#L316\r\n\r\nFor use cases where readers are added and removed frequently (hard to change the design without breaking changes) this adds up quickly.\r\n\r\n\r\n\u003cimg width=\"1321\" alt=\"Screenshot 2023-07-07 at 8 22 45 AM\" src=\"https://github.com/python/cpython/assets/663432/c0583d58-e342-40f0-ac3c-77795610f84f\"\u003e\r\n\r\n\r\n\u003c!-- gh-linked-prs --\u003e\r\n### Linked PRs\r\n* gh-106528\r\n\u003c!-- /gh-linked-prs --\u003e\r\n","author":{"url":"https://github.com/bdraco","@type":"Person","name":"bdraco"},"datePublished":"2023-07-07T18:17:17.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":12},"url":"https://github.com/106527/cpython/issues/106527"}