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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Create standalone functions for default `Tool` methods","articleBody":"Toward #1311, we want a standalone `is_likely_used` function which would take a `ToolSpec` and `ConfigSpec` and basically just give the current implementation for `Tool.is_used`, i.e. the default implementation.\n\n`Tool.is_used` would be refactored to use `is_likely_used` using `self` for the `ToolSpec` and `self.config_spec` for the `ConfigSpec`.\n\n`Tool.is_used`, whose current implementation would serve as the basis for `is_likely_used`, currently uses `Tool.is_declared_as_dep`, which should be moved into `ToolSpec` so it is accessible from the `ToolSpec` arg. It also uses `Tool.is_config_present` which uses a `Tool._is_config_spec_present` helper method together with `ConfigSpec` from `Tool.config_spec`. We should move the `Tool._is_config_spec_present` method to `ConfigSpec.is_present` since it doesn't actually use the `self` arg in `Tool` at all. Then, `is_likely_used` can just use `ConfigSpec.is_present` directly from the `ConfigSpec` passed as an argument.\n\nLastly, `Tool.is_used` uses `Tool.is_pre_commit_config_present`. This, along with its dependent method `Tool.get_pre_commit_repos` should be moved into `ToolSpec`.\n\nThe `ToolSpec` implementation should be moved into a new module called `usethis._tool.spec`.\n\nThe new standalone `is_likely_used` method should be put into a new `usethis._tool.heuristics` module.\n\nThe new module layering for `usethis._tool` should be like the following:\nlayers =\n    all_\n    impl\n    base\n    heuristics\n    spec\n    config | pre_commit | rule","author":{"url":"https://github.com/nathanjmcdougall","@type":"Person","name":"nathanjmcdougall"},"datePublished":"2026-03-10T05:28:28.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/1350/usethis-python/issues/1350"}