prefs_blender_rhubarb.py

import bpy
from bpy.types import AddonPreferences
from bpy.props import StringProperty
from bpy.props import EnumProperty
from platform import system

class RhubarbAddonPreferences(AddonPreferences):
    bl_idname = __package__

    executable_path : StringProperty(
        name="Rhubarb lipsync executable",
        subtype='FILE_PATH',
        default=bpy.utils.user_resource('SCRIPTS', path="addons") + '/blender-rhubarb-lipsync/bin/rhubarb' + ('.exe' if system() == 'Windows' else '')
        )

    recognizer : EnumProperty(
        name = "Recognizer",
        items = [
            ("pocketSphinx", "pocketSphinx", "PocketSphinx is an open-source speech recognition library that generally gives good results for English."),
            ("phonetic", "phonetic", "This recognizer is language-independent. Use it if your recordings are not in English.")
        ],
        default = "pocketSphinx"
    )

    def draw(self, context):
        layout = self.layout
        layout.prop(self, "executable_path")
        layout.prop(self, "recognizer")

def register():
    bpy.utils.register_class(RhubarbAddonPreferences)


def unregister():
    bpy.utils.unregister_class(RhubarbAddonPreferences)