Add command to run Python isort

Author: zdzolton

after/ftplugin/python.lua

@@ -3,3 +3,15 @@ if (vim.o.textwidth or 0) > 0 then
    macchiato_line_length = vim.o.textwidth
 end
 vim.opt_local.formatprg = 'black-macchiato -l ' .. macchiato_line_length
+
+vim.keymap.set('n', '<leader>is', function()
+	local bufnr = vim.api.nvim_get_current_buf()
+	local modified = vim.api.nvim_get_option_value("modified", { buf = bufnr })
+
+	if modified then
+		print('*** Save your changes first!' ***)
+		return
+	end
+	local file_name = vim.api.nvim_buf_get_name(0) -- Get file name of file in current buffer
+	vim.cmd(":!isort -l 1000000 --wl 0 --sl " .. file_name)
+end, { desc = 'Run isort on the current buffer' })