Sublime Text ~ Builtin Ex. goto_line.py

From Sublime API Reference: “Packages/Default/goto_line.py”

• Prompts the user for input, then updates the selection

import sublime
import sublime_plugin
 
 
class PromptGotoLineCommand(sublime_plugin.WindowCommand):
    def run(self):
        self.window.show_input_panel("Goto Line:", "", self.on_done, None, None)
 
    def on_done(self, text):
        try:
            line = int(text)
            if self.window.active_view():
                self.window.active_view().run_command("goto_line", {"line": line})
        except ValueError:
            pass
 
 
class GotoLineCommand(sublime_plugin.TextCommand):
    def run(self, edit, line):
        # Convert from 1 based to a 0 based line number
        line = int(line) - 1
 
        # Negative line numbers count from the end of the buffer
        if line < 0:
            lines, _ = self.view.rowcol(self.view.size())
            line = lines + line + 1
 
        pt = self.view.text_point(line, 0)
 
        self.view.sel().clear()
        self.view.sel().add(sublime.Region(pt))
 
        self.view.show(pt)