dotfiles/.config/nvim/lsp/basedpyright.lua

--- @type vim.lsp.ClientConfig
return {
    cmd = { 'basedpyright-langserver', '--stdio' },
    filetypes = { 'python' },
    root_markers = {
        'pyproject.toml',
        'setup.py',
        'setup.cfg',
        'requirements.txt',
        'Pipfile',
        'pyrightconfig.json',
    },
    single_file_support = true,
    settings = {
        basedpyright = {
            analysis = {
                typeCheckingMode = "standard",
                diagnosticMode = "openFilesOnly",
                autoSearchPaths = true,
                include = { "*" },
                exclude = { "**/node_modules", "**/__pycache__", "**/build" },
                useLibraryCodeForTypes = true,
                analyzeUnannotatedFunctions = true,
                reportUnreachable = true,
            },
            openFilesOnly = true,
            autoImportCompletions = true,
            disableOrganizeImports = true,
        }
    },
    on_init = function(client, _)
        local typecheckingPicker = function(opts)
            local pickers = require("telescope.pickers")
            local themes = require("telescope.themes")
            local actions = require("telescope.actions")
            local action_state = require("telescope.actions.state")
            local finders = require("telescope.finders")
            local conf = require("telescope.config").values
            local current = client.settings.basedpyright.analysis
                .typeCheckingMode
            if current == nil then current = "unset" end
            pickers.new(themes.get_dropdown({}), {
                prompt_title = "BasedPyright Typechecking (Current: " ..
                    current .. ")",
                finder = finders.new_table({
                    results = vim.tbl_filter(
                        function(r) return r ~= current end,
                        { "off", "basic", "standard", "strict", "all" }),
                }),
                sorter = conf.generic_sorter(opts),
                attach_mappings = function(prompt_bufnr, _)
                    actions.select_default:replace(function()
                        actions.close(prompt_bufnr)
                        local selection = action_state
                            .get_selected_entry()
                        client.settings.basedpyright.analysis.typeCheckingMode =
                            selection.value
                        client:notify(
                            "workspace/didChangeConfiguration",
                            client.settings)
                    end)
                    return true
                end,
            }):find()
        end

        if pcall(require, "command-palette") and pcall(require, "telescope.pickers") then
            require("command-palette").add({ {
                "BasedPyright Typechecking",
                "Set `typeCheckingMode` of BasedPyright",
                typecheckingPicker }
            })
        end
    end,
}