René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Versions prefixed with `==` fail to be found when not in the local cache","articleBody":"**Description:**\r\nWhen a version is prefixed with `==` and is not found in the local cache, it fails to be found for downloading.\r\n\r\nI encountered this while specifying the version through `project.requires-python` in `pyproject.toml`.\r\nI'm not sure if `python-version` also has this issue, but I presume so.\r\n\r\n**Action version:**\r\nv4.7.0\r\n\r\n**Platforms:**\r\n- [X] Ubuntu\r\n- [X] macOS\r\n- [X] Windows\r\n\r\n**Runner type:**\r\n- [X] Hosted\r\n- [ ] Self-hosted\r\n\r\n**Tools version:**\r\nEvery Python version not in the local cache\r\n\r\n**Repro steps:**  \r\nI was originally using `python-version: ['3.10.10']`, which [successfully downloads](https://github.com/Harmon758/Harmonbot/actions/runs/5745881878/job/15574520762#step:3:32).\r\nUpon changing to use `python-version-file: pyproject.toml` with `requires-python = \"==3.10.10\"` (under `[project]`) in `pyproject.toml`, [the version fails to be found](https://github.com/Harmon758/Harmonbot/actions/runs/5745943813/job/15574684243#step:3:13).\r\n\r\nAdditionally, I confirmed that this is only an issue when the version is not found in the local cache, as removing the patch version in `pyproject.toml` and changing it to `requires-python = \"==3.10\"` [successfully installs the version in the local cache](https://github.com/Harmon758/Harmonbot/actions/runs/5746049553/job/15574947323#step:3:12).\r\n\r\n**Expected behavior:**\r\nThe version is successfully downloaded and installed\r\n\r\n**Actual behavior:**\r\nThe version fails to be found","author":{"url":"https://github.com/Harmon758","@type":"Person","name":"Harmon758"},"datePublished":"2023-08-03T03:06:26.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/711/setup-python/issues/711"}