Add script callback for fixing infotext parameters

import gradio as gr

from modules.shared import script_path

from modules import shared, ui_tempdir

from modules import shared, ui_tempdir, script_callbacks

import tempfile

from PIL import Image

                    prompt = file.read()

        params = parse_generation_parameters(prompt)

        script_callbacks.infotext_pasted_callback(prompt, params)

        res = []

        for output, key in paste_fields:

import traceback

from collections import namedtuple

import inspect

from typing import Optional

from typing import Optional, Dict, Any

from fastapi import FastAPI

from gradio import Blocks

    callbacks_before_component=[],

    callbacks_after_component=[],

    callbacks_image_grid=[],

    callbacks_infotext_pasted=[],

    callbacks_script_unloaded=[],

)

            report_exception(c, 'image_grid')

def infotext_pasted_callback(infotext: str, params: Dict[str, Any]):

    for c in callback_map['callbacks_infotext_pasted']:

        try:

            c.callback(infotext, params)

        except Exception:

            report_exception(c, 'infotext_pasted')

def script_unloaded_callback():

    for c in reversed(callback_map['callbacks_script_unloaded']):

        try:

    add_callback(callback_map['callbacks_image_grid'], callback)

def on_infotext_pasted(callback):

    """register a function to be called before applying an infotext.

    The callback is called with two arguments:

       - infotext: str - raw infotext.

       - result: Dict[str, any] - parsed infotext parameters.

    """

    add_callback(callback_map['callbacks_infotext_pasted'], callback)

def on_script_unloaded(callback):

    """register a function to be called before the script is unloaded. Any hooks/hijacks/monkeying about that

    the script did should be reverted here"""