pyproject dependent linters

dot_config/nvim/lua/plugins/conform.lua

@@ -6,7 +6,7 @@ return {
     conform.setup {
       formatters_by_ft = {
         lua = { "stylua" },
-        python = { "isort", "black", lsp_format = "fallback" },
+        python = { "isort", "black", "ruff", lsp_format = "fallback" },
         gotmpl = { "djlint" }
       },
       format_on_save = {

dot_config/nvim/lua/plugins/linter.lua

@@ -2,9 +2,43 @@ return {
   'mfussenegger/nvim-lint',
   config = function()
     local lint = require("lint")
-    lint.linters_by_ft = {
-      python = { 'mypy' }
-    }
+    -- lint.linters_by_ft = {
+    --   python = { 'mypy' }
+    -- }
+
+    local function read_pyproject()
+      local results = vim.fs.find("pyproject.toml", { upward = true, stop = vim.loop.os_homedir() })
+
+      local path = results[1]
+      if not path then
+        return nil
+      end
+
+      local ok, lines = pcall(vim.fn.readfile, path)
+      if not ok then
+        return nil
+      end
+
+      return table.concat(lines, "\n")
+    end
+
+    local function python_linters()
+      local linters = {}
+      local pyproject = read_pyproject()
+
+      if pyproject then
+        if pyproject:match("%[tool%.ruff%]") then
+          table.insert(linters, "ruff")
+        end
+        if pyproject:match("%[tool%.mypy%]") then
+          table.insert(linters, "mypy")
+        end
+      end
+
+      return linters
+    end
+
+    lint.linters_by_ft.python = python_linters()
 
     local lint_augroup = vim.api.nvim_create_augroup("lint", { clear = true })
     vim.api.nvim_create_autocmd({ "BufEnter", "BufWritePost", "InsertLeave" }, {