Sublime example: Asking for multiple inputs

import sublime
import sublime_plugin


class ExampleCommand(sublime_plugin.WindowCommand):
    def handle_value(self, key_value, key_list, key_index, output_dict):
        key = key_list[key_index]
        output_dict[key] = key_value

        key_index += 1
        if key_index < len(key_list):
            self.handle_key(key_list, key_index, output_dict)
        else:
            print("Finished with: {}".format(output_dict))

    def handle_key(self, key_list, key_index, output_dict):
        key = key_list[key_index]
        self.window.show_input_panel(
            "Value for {}".format(key),
            output_dict.get(key, "foo"),
            lambda v: self.handle_value(v, key_list, key_index, output_dict),
            None, None)

    def run(self, my_dict):
        keys = list(my_dict.keys())
        if keys:
            self.handle_key(keys, 0, my_dict)