toolbox.py

import importlib
import time
import inspect
import re
import os
import base64
import gradio
import shutil
import glob
from functools import wraps
from shared_utils.config_loader import get_conf
from shared_utils.config_loader import set_conf
from shared_utils.config_loader import set_multi_conf
from shared_utils.config_loader import read_single_conf_with_lru_cache
from shared_utils.advanced_markdown_format import format_io
from shared_utils.advanced_markdown_format import markdown_convertion
from shared_utils.key_pattern_manager import select_api_key
from shared_utils.key_pattern_manager import is_any_api_key
from shared_utils.key_pattern_manager import what_keys
from shared_utils.connect_void_terminal import get_chat_handle
from shared_utils.connect_void_terminal import get_plugin_handle
from shared_utils.connect_void_terminal import get_plugin_default_kwargs
from shared_utils.connect_void_terminal import get_chat_default_kwargs

pj = os.path.join
default_user_name = "default_user"

"""
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
第一部分
函数插件输入输出接驳区
    - ChatBotWithCookies:   带Cookies的Chatbot类，为实现更多强大的功能做基础
    - ArgsGeneralWrapper:   装饰器函数，用于重组输入参数，改变输入参数的顺序与结构
    - update_ui:            刷新界面用 yield from update_ui(chatbot, history)
    - CatchException:       将插件中出的所有问题显示在界面上
    - HotReload:            实现插件的热更新
    - trimmed_format_exc:   打印traceback，为了安全而隐藏绝对地址
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
"""


class ChatBotWithCookies(list):
    def __init__(self, cookie):
        """
        cookies = {
            'top_p': top_p,
            'temperature': temperature,
            'lock_plugin': bool,
            "files_to_promote": ["file1", "file2"],
            "most_recent_uploaded": {
                "path": "uploaded_path",
                "time": time.time(),
                "time_str": "timestr",
            }
        }
        """
        self._cookies = cookie

    def write_list(self, list):
        for t in list:
            self.append(t)

    def get_list(self):
        return [t for t in self]

    def get_cookies(self):
        return self._cookies


def ArgsGeneralWrapper(f):
    """
    装饰器函数，用于重组输入参数，改变输入参数的顺序与结构。
    """
    def decorated(request: gradio.Request, cookies, max_length, llm_model, txt, txt2, top_p, temperature, chatbot, history, system_prompt, plugin_advanced_arg, *args):
        txt_passon = txt
        if txt == "" and txt2 != "": txt_passon = txt2
        # 引入一个有cookie的chatbot
        if request.username is not None:
            user_name = request.username
        else:
            user_name = default_user_name
        cookies.update({
            'top_p': top_p,
            'api_key': cookies['api_key'],
            'llm_model': llm_model,
            'temperature': temperature,
            'user_name': user_name,
        })
        llm_kwargs = {
            'api_key': cookies['api_key'],
            'llm_model': llm_model,
            'top_p': top_p,
            'max_length': max_length,
            'temperature': temperature,
            'client_ip': request.client.host,
            'most_recent_uploaded': cookies.get('most_recent_uploaded')
        }
        plugin_kwargs = {
            "advanced_arg": plugin_advanced_arg,
        }
        chatbot_with_cookie = ChatBotWithCookies(cookies)
        chatbot_with_cookie.write_list(chatbot)

        if cookies.get('lock_plugin', None) is None:
            # 正常状态
            if len(args) == 0:  # 插件通道
                yield from f(txt_passon, llm_kwargs, plugin_kwargs, chatbot_with_cookie, history, system_prompt, request)
            else:               # 对话通道，或者基础功能通道
                yield from f(txt_passon, llm_kwargs, plugin_kwargs, chatbot_with_cookie, history, system_prompt, *args)
        else:
            # 处理少数情况下的特殊插件的锁定状态
            module, fn_name = cookies['lock_plugin'].split('->')
            f_hot_reload = getattr(importlib.import_module(module, fn_name), fn_name)
            yield from f_hot_reload(txt_passon, llm_kwargs, plugin_kwargs, chatbot_with_cookie, history, system_prompt, request)
            # 判断一下用户是否错误地通过对话通道进入，如果是，则进行提醒
            final_cookies = chatbot_with_cookie.get_cookies()
            # len(args) != 0 代表“提交”键对话通道，或者基础功能通道
            if len(args) != 0 and 'files_to_promote' in final_cookies and len(final_cookies['files_to_promote']) > 0:
                chatbot_with_cookie.append(
                    ["检测到**滞留的缓存文档**，请及时处理。", "请及时点击“**保存当前对话**”获取所有滞留文档。"])
                yield from update_ui(chatbot_with_cookie, final_cookies['history'], msg="检测到被滞留的缓存文档")

    return decorated


def update_ui(chatbot, history, msg="正常", **kwargs):  # 刷新界面
    """
    刷新用户界面
    """
    assert isinstance(
        chatbot, ChatBotWithCookies
    ), "在传递chatbot的过程中不要将其丢弃。必要时, 可用clear将其清空, 然后用for+append循环重新赋值。"
    cookies = chatbot.get_cookies()
    # 备份一份History作为记录
    cookies.update({"history": history})
    # 解决插件锁定时的界面显示问题
    if cookies.get("lock_plugin", None):
        label = (
            cookies.get("llm_model", "")
            + " | "
            + "正在锁定插件"
            + cookies.get("lock_plugin", None)
        )
        chatbot_gr = gradio.update(value=chatbot, label=label)
        if cookies.get("label", "") != label:
            cookies["label"] = label  # 记住当前的label
    elif cookies.get("label", None):
        chatbot_gr = gradio.update(value=chatbot, label=cookies.get("llm_model", ""))
        cookies["label"] = None  # 清空label
    else:
        chatbot_gr = chatbot

    yield cookies, chatbot_gr, history, msg


def update_ui_lastest_msg(lastmsg, chatbot, history, delay=1):  # 刷新界面
    """
    刷新用户界面
    """
    if len(chatbot) == 0:
        chatbot.append(["update_ui_last_msg", lastmsg])
    chatbot[-1] = list(chatbot[-1])
    chatbot[-1][-1] = lastmsg
    yield from update_ui(chatbot=chatbot, history=history)
    time.sleep(delay)


def trimmed_format_exc():
    import os, traceback

    str = traceback.format_exc()
    current_path = os.getcwd()
    replace_path = "."
    return str.replace(current_path, replace_path)


def CatchException(f):
    """
    装饰器函数，捕捉函数f中的异常并封装到一个生成器中返回，并显示到聊天当中。
    """

    @wraps(f)
    def decorated(main_input, llm_kwargs, plugin_kwargs, chatbot_with_cookie, history, *args, **kwargs):
        try:
            yield from f(main_input, llm_kwargs, plugin_kwargs, chatbot_with_cookie, history, *args, **kwargs)
        except Exception as e:
            from check_proxy import check_proxy
            from toolbox import get_conf
            proxies = get_conf('proxies')
            tb_str = '```\n' + trimmed_format_exc() + '```'
            if len(chatbot_with_cookie) == 0:
                chatbot_with_cookie.clear()
                chatbot_with_cookie.append(["插件调度异常", "异常原因"])
            chatbot_with_cookie[-1] = (chatbot_with_cookie[-1][0], f"[Local Message] 插件调用出错: \n\n{tb_str} \n")
            yield from update_ui(chatbot=chatbot_with_cookie, history=history, msg=f'异常 {e}')  # 刷新界面

    return decorated


def HotReload(f):
    """
    HotReload的装饰器函数，用于实现Python函数插件的热更新。
    函数热更新是指在不停止程序运行的情况下，更新函数代码，从而达到实时更新功能。
    在装饰器内部，使用wraps(f)来保留函数的元信息，并定义了一个名为decorated的内部函数。
    内部函数通过使用importlib模块的reload函数和inspect模块的getmodule函数来重新加载并获取函数模块，
    然后通过getattr函数获取函数名，并在新模块中重新加载函数。
    最后，使用yield from语句返回重新加载过的函数，并在被装饰的函数上执行。
    最终，装饰器函数返回内部函数。这个内部函数可以将函数的原始定义更新为最新版本，并执行函数的新版本。
    """
    if get_conf("PLUGIN_HOT_RELOAD"):

        @wraps(f)
        def decorated(*args, **kwargs):
            fn_name = f.__name__
            f_hot_reload = getattr(importlib.reload(inspect.getmodule(f)), fn_name)
            yield from f_hot_reload(*args, **kwargs)

        return decorated
    else:
        return f


"""
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
第二部分
其他小工具:
    - write_history_to_file:    将结果写入markdown文件中
    - regular_txt_to_markdown:  将普通文本转换为Markdown格式的文本。
    - report_exception:         向chatbot中添加简单的意外错误信息
    - text_divide_paragraph:    将文本按照段落分隔符分割开，生成带有段落标签的HTML代码。
    - markdown_convertion:      用多种方式组合，将markdown转化为好看的html
    - format_io:                接管gradio默认的markdown处理方式
    - on_file_uploaded:         处理文件的上传（自动解压）
    - on_report_generated:      将生成的报告自动投射到文件上传区
    - clip_history:             当历史上下文过长时，自动截断
    - get_conf:                 获取设置
    - select_api_key:           根据当前的模型类别，抽取可用的api-key
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
"""


def get_reduce_token_percent(text):
    """
    * 此函数未来将被弃用
    """
    try:
        # text = "maximum context length is 4097 tokens. However, your messages resulted in 4870 tokens"
        pattern = r"(\d+)\s+tokens\b"
        match = re.findall(pattern, text)
        EXCEED_ALLO = 500  # 稍微留一点余地，否则在回复时会因余量太少出问题
        max_limit = float(match[0]) - EXCEED_ALLO
        current_tokens = float(match[1])
        ratio = max_limit / current_tokens
        assert ratio > 0 and ratio < 1
        return ratio, str(int(current_tokens - max_limit))
    except:
        return 0.5, "不详"


def write_history_to_file(
    history, file_basename=None, file_fullname=None, auto_caption=True
):
    """
    将对话记录history以Markdown格式写入文件中。如果没有指定文件名，则使用当前时间生成文件名。
    """
    import os
    import time

    if file_fullname is None:
        if file_basename is not None:
            file_fullname = pj(get_log_folder(), file_basename)
        else:
            file_fullname = pj(get_log_folder(), f"GPT-Academic-{gen_time_str()}.md")
    os.makedirs(os.path.dirname(file_fullname), exist_ok=True)
    with open(file_fullname, "w", encoding="utf8") as f:
        f.write("# GPT-Academic Report\n")
        for i, content in enumerate(history):
            try:
                if type(content) != str:
                    content = str(content)
            except:
                continue
            if i % 2 == 0 and auto_caption:
                f.write("## ")
            try:
                f.write(content)
            except:
                # remove everything that cannot be handled by utf8
                f.write(content.encode("utf-8", "ignore").decode())
            f.write("\n\n")
    res = os.path.abspath(file_fullname)
    return res


def regular_txt_to_markdown(text):
    """
    将普通文本转换为Markdown格式的文本。
    """
    text = text.replace("\n", "\n\n")
    text = text.replace("\n\n\n", "\n\n")
    text = text.replace("\n\n\n", "\n\n")
    return text


def report_exception(chatbot, history, a, b):
    """
    向chatbot中添加错误信息
    """
    chatbot.append((a, b))
    history.extend([a, b])


def find_free_port():
    """
    返回当前系统中可用的未使用端口。
    """
    import socket
    from contextlib import closing

    with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as s:
        s.bind(("", 0))
        s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        return s.getsockname()[1]


def extract_archive(file_path, dest_dir):
    import zipfile
    import tarfile
    import os

    # Get the file extension of the input file
    file_extension = os.path.splitext(file_path)[1]

    # Extract the archive based on its extension
    if file_extension == ".zip":
        with zipfile.ZipFile(file_path, "r") as zipobj:
            zipobj.extractall(path=dest_dir)
            print("Successfully extracted zip archive to {}".format(dest_dir))

    elif file_extension in [".tar", ".gz", ".bz2"]:
        with tarfile.open(file_path, "r:*") as tarobj:
            tarobj.extractall(path=dest_dir)
            print("Successfully extracted tar archive to {}".format(dest_dir))

    # 第三方库，需要预先pip install rarfile
    # 此外，Windows上还需要安装winrar软件，配置其Path环境变量，如"C:\Program Files\WinRAR"才可以
    elif file_extension == ".rar":
        try:
            import rarfile

            with rarfile.RarFile(file_path) as rf:
                rf.extractall(path=dest_dir)
                print("Successfully extracted rar archive to {}".format(dest_dir))
        except:
            print("Rar format requires additional dependencies to install")
            return "\n\n解压失败! 需要安装pip install rarfile来解压rar文件。建议：使用zip压缩格式。"

    # 第三方库，需要预先pip install py7zr
    elif file_extension == ".7z":
        try:
            import py7zr

            with py7zr.SevenZipFile(file_path, mode="r") as f:
                f.extractall(path=dest_dir)
                print("Successfully extracted 7z archive to {}".format(dest_dir))
        except:
            print("7z format requires additional dependencies to install")
            return "\n\n解压失败! 需要安装pip install py7zr来解压7z文件"
    else:
        return ""
    return ""


def find_recent_files(directory):
    """
    me: find files that is created with in one minutes under a directory with python, write a function
    gpt: here it is!
    """
    import os
    import time

    current_time = time.time()
    one_minute_ago = current_time - 60
    recent_files = []
    if not os.path.exists(directory):
        os.makedirs(directory, exist_ok=True)
    for filename in os.listdir(directory):
        file_path = pj(directory, filename)
        if file_path.endswith(".log"):
            continue
        created_time = os.path.getmtime(file_path)
        if created_time >= one_minute_ago:
            if os.path.isdir(file_path):
                continue
            recent_files.append(file_path)

    return recent_files


def file_already_in_downloadzone(file, user_path):
    try:
        parent_path = os.path.abspath(user_path)
        child_path = os.path.abspath(file)
        if os.path.samefile(os.path.commonpath([parent_path, child_path]), parent_path):
            return True
        else:
            return False
    except:
        return False


def promote_file_to_downloadzone(file, rename_file=None, chatbot=None):
    # 将文件复制一份到下载区
    import shutil

    if chatbot is not None:
        user_name = get_user(chatbot)
    else:
        user_name = default_user_name
    if not os.path.exists(file):
        raise FileNotFoundError(f"文件{file}不存在")
    user_path = get_log_folder(user_name, plugin_name=None)
    if file_already_in_downloadzone(file, user_path):
        new_path = file
    else:
        user_path = get_log_folder(user_name, plugin_name="downloadzone")
        if rename_file is None:
            rename_file = f"{gen_time_str()}-{os.path.basename(file)}"
        new_path = pj(user_path, rename_file)
        # 如果已经存在，先删除
        if os.path.exists(new_path) and not os.path.samefile(new_path, file):
            os.remove(new_path)
        # 把文件复制过去
        if not os.path.exists(new_path):
            shutil.copyfile(file, new_path)
    # 将文件添加到chatbot cookie中
    if chatbot is not None:
        if "files_to_promote" in chatbot._cookies:
            current = chatbot._cookies["files_to_promote"]
        else:
            current = []
        if new_path not in current:  # 避免把同一个文件添加多次
            chatbot._cookies.update({"files_to_promote": [new_path] + current})
    return new_path


def disable_auto_promotion(chatbot):
    chatbot._cookies.update({"files_to_promote": []})
    return


def del_outdated_uploads(outdate_time_seconds, target_path_base=None):
    if target_path_base is None:
        user_upload_dir = get_conf("PATH_PRIVATE_UPLOAD")
    else:
        user_upload_dir = target_path_base
    current_time = time.time()
    one_hour_ago = current_time - outdate_time_seconds
    # Get a list of all subdirectories in the user_upload_dir folder
    # Remove subdirectories that are older than one hour
    for subdirectory in glob.glob(f"{user_upload_dir}/*"):
        subdirectory_time = os.path.getmtime(subdirectory)
        if subdirectory_time < one_hour_ago:
            try:
                shutil.rmtree(subdirectory)
            except:
                pass
    return


def html_local_file(file):
    base_path = os.path.dirname(__file__)  # 项目目录
    if os.path.exists(str(file)):
        file = f'file={file.replace(base_path, ".")}'
    return file


def html_local_img(__file, layout="left", max_width=None, max_height=None, md=True):
    style = ""
    if max_width is not None:
        style += f"max-width: {max_width};"
    if max_height is not None:
        style += f"max-height: {max_height};"
    __file = html_local_file(__file)
    a = f'<div align="{layout}"><img src="{__file}" style="{style}"></div>'
    if md:
        a = f"![{__file}]({__file})"
    return a


def file_manifest_filter_type(file_list, filter_: list = None):
    new_list = []
    if not filter_:
        filter_ = ["png", "jpg", "jpeg"]
    for file in file_list:
        if str(os.path.basename(file)).split(".")[-1] in filter_:
            new_list.append(html_local_img(file, md=False))
        else:
            new_list.append(file)
    return new_list


def to_markdown_tabs(head: list, tabs: list, alignment=":---:", column=False):
    """
    Args:
        head: 表头：[]
        tabs: 表值：[[列1], [列2], [列3], [列4]]
        alignment: :--- 左对齐， :---: 居中对齐， ---: 右对齐
        column: True to keep data in columns, False to keep data in rows (default).
    Returns:
        A string representation of the markdown table.
    """
    if column:
        transposed_tabs = list(map(list, zip(*tabs)))
    else:
        transposed_tabs = tabs
    # Find the maximum length among the columns
    max_len = max(len(column) for column in transposed_tabs)

    tab_format = "| %s "
    tabs_list = "".join([tab_format % i for i in head]) + "|\n"
    tabs_list += "".join([tab_format % alignment for i in head]) + "|\n"

    for i in range(max_len):
        row_data = [tab[i] if i < len(tab) else "" for tab in transposed_tabs]
        row_data = file_manifest_filter_type(row_data, filter_=None)
        tabs_list += "".join([tab_format % i for i in row_data]) + "|\n"

    return tabs_list


def on_file_uploaded(
    request: gradio.Request, files, chatbot, txt, txt2, checkboxes, cookies
):
    """
    当文件被上传时的回调函数
    """
    if len(files) == 0:
        return chatbot, txt

    # 创建工作路径
    user_name = default_user_name if not request.username else request.username
    time_tag = gen_time_str()
    target_path_base = get_upload_folder(user_name, tag=time_tag)
    os.makedirs(target_path_base, exist_ok=True)

    # 移除过时的旧文件从而节省空间&保护隐私
    outdate_time_seconds = 3600  # 一小时
    del_outdated_uploads(outdate_time_seconds, get_upload_folder(user_name))

    # 逐个文件转移到目标路径
    upload_msg = ""
    for file in files:
        file_origin_name = os.path.basename(file.orig_name)
        this_file_path = pj(target_path_base, file_origin_name)
        shutil.move(file.name, this_file_path)
        upload_msg += extract_archive(
            file_path=this_file_path, dest_dir=this_file_path + ".extract"
        )

    # 整理文件集合 输出消息
    moved_files = [fp for fp in glob.glob(f"{target_path_base}/**/*", recursive=True)]
    moved_files_str = to_markdown_tabs(head=["文件"], tabs=[moved_files])
    chatbot.append(
        [
            "我上传了文件，请查收",
            f"[Local Message] 收到以下文件: \n\n{moved_files_str}"
            + f"\n\n调用路径参数已自动修正到: \n\n{txt}"
            + f"\n\n现在您点击任意函数插件时，以上文件将被作为输入参数"
            + upload_msg,
        ]
    )

    txt, txt2 = target_path_base, ""
    if "浮动输入区" in checkboxes:
        txt, txt2 = txt2, txt

    # 记录近期文件
    cookies.update(
        {
            "most_recent_uploaded": {
                "path": target_path_base,
                "time": time.time(),
                "time_str": time_tag,
            }
        }
    )
    return chatbot, txt, txt2, cookies


def on_report_generated(cookies, files, chatbot):
    # from toolbox import find_recent_files
    # PATH_LOGGING = get_conf('PATH_LOGGING')
    if "files_to_promote" in cookies:
        report_files = cookies["files_to_promote"]
        cookies.pop("files_to_promote")
    else:
        report_files = []
    #     report_files = find_recent_files(PATH_LOGGING)
    if len(report_files) == 0:
        return cookies, None, chatbot
    # files.extend(report_files)
    file_links = ""
    for f in report_files:
        file_links += (
            f'<br/><a href="file={os.path.abspath(f)}" target="_blank">{f}</a>'
        )
    chatbot.append(["报告如何远程获取？", f"报告已经添加到右侧“文件上传区”（可能处于折叠状态），请查收。{file_links}"])
    return cookies, report_files, chatbot


def load_chat_cookies():
    API_KEY, LLM_MODEL, AZURE_API_KEY = get_conf(
        "API_KEY", "LLM_MODEL", "AZURE_API_KEY"
    )
    AZURE_CFG_ARRAY, NUM_CUSTOM_BASIC_BTN = get_conf(
        "AZURE_CFG_ARRAY", "NUM_CUSTOM_BASIC_BTN"
    )

    # deal with azure openai key
    if is_any_api_key(AZURE_API_KEY):
        if is_any_api_key(API_KEY):
            API_KEY = API_KEY + "," + AZURE_API_KEY
        else:
            API_KEY = AZURE_API_KEY
    if len(AZURE_CFG_ARRAY) > 0:
        for azure_model_name, azure_cfg_dict in AZURE_CFG_ARRAY.items():
            if not azure_model_name.startswith("azure"):
                raise ValueError("AZURE_CFG_ARRAY中配置的模型必须以azure开头")
            AZURE_API_KEY_ = azure_cfg_dict["AZURE_API_KEY"]
            if is_any_api_key(AZURE_API_KEY_):
                if is_any_api_key(API_KEY):
                    API_KEY = API_KEY + "," + AZURE_API_KEY_
                else:
                    API_KEY = AZURE_API_KEY_

    customize_fn_overwrite_ = {}
    for k in range(NUM_CUSTOM_BASIC_BTN):
        customize_fn_overwrite_.update(
            {
                "自定义按钮"
                + str(k + 1): {
                    "Title": r"",
                    "Prefix": r"请在自定义菜单中定义提示词前缀.",
                    "Suffix": r"请在自定义菜单中定义提示词后缀",
                }
            }
        )
    return {
        "api_key": API_KEY,
        "llm_model": LLM_MODEL,
        "customize_fn_overwrite": customize_fn_overwrite_,
    }


def clear_line_break(txt):
    txt = txt.replace("\n", " ")
    txt = txt.replace("  ", " ")
    txt = txt.replace("  ", " ")
    return txt


class DummyWith:
    """
    这段代码定义了一个名为DummyWith的空上下文管理器，
    它的作用是……额……就是不起作用，即在代码结构不变得情况下取代其他的上下文管理器。
    上下文管理器是一种Python对象，用于与with语句一起使用，
    以确保一些资源在代码块执行期间得到正确的初始化和清理。
    上下文管理器必须实现两个方法，分别为 __enter__()和 __exit__()。
    在上下文执行开始的情况下，__enter__()方法会在代码块被执行前被调用，
    而在上下文执行结束时，__exit__()方法则会被调用。
    """

    def __enter__(self):
        return self

    def __exit__(self, exc_type, exc_value, traceback):
        return


def run_gradio_in_subpath(demo, auth, port, custom_path):
    """
    把gradio的运行地址更改到指定的二次路径上
    """

    def is_path_legal(path: str) -> bool:
        """
        check path for sub url
        path: path to check
        return value: do sub url wrap
        """
        if path == "/":
            return True
        if len(path) == 0:
            print(
                "ilegal custom path: {}\npath must not be empty\ndeploy on root url".format(
                    path
                )
            )
            return False
        if path[0] == "/":
            if path[1] != "/":
                print("deploy on sub-path {}".format(path))
                return True
            return False
        print(
            "ilegal custom path: {}\npath should begin with '/'\ndeploy on root url".format(
                path
            )
        )
        return False

    if not is_path_legal(custom_path):
        raise RuntimeError("Ilegal custom path")
    import uvicorn
    import gradio as gr
    from fastapi import FastAPI

    app = FastAPI()
    if custom_path != "/":

        @app.get("/")
        def read_main():
            return {"message": f"Gradio is running at: {custom_path}"}

    app = gr.mount_gradio_app(app, demo, path=custom_path)
    uvicorn.run(app, host="0.0.0.0", port=port)  # , auth=auth


def clip_history(inputs, history, tokenizer, max_token_limit):
    """
    reduce the length of history by clipping.
    this function search for the longest entries to clip, little by little,
    until the number of token of history is reduced under threshold.
    通过裁剪来缩短历史记录的长度。
    此函数逐渐地搜索最长的条目进行剪辑，
    直到历史记录的标记数量降低到阈值以下。
    """
    import numpy as np
    from request_llms.bridge_all import model_info

    def get_token_num(txt):
        return len(tokenizer.encode(txt, disallowed_special=()))

    input_token_num = get_token_num(inputs)

    if max_token_limit < 5000:
        output_token_expect = 256  # 4k & 2k models
    elif max_token_limit < 9000:
        output_token_expect = 512  # 8k models
    else:
        output_token_expect = 1024  # 16k & 32k models

    if input_token_num < max_token_limit * 3 / 4:
        # 当输入部分的token占比小于限制的3/4时，裁剪时
        # 1. 把input的余量留出来
        max_token_limit = max_token_limit - input_token_num
        # 2. 把输出用的余量留出来
        max_token_limit = max_token_limit - output_token_expect
        # 3. 如果余量太小了，直接清除历史
        if max_token_limit < output_token_expect:
            history = []
            return history
    else:
        # 当输入部分的token占比 > 限制的3/4时，直接清除历史
        history = []
        return history

    everything = [""]
    everything.extend(history)
    n_token = get_token_num("\n".join(everything))
    everything_token = [get_token_num(e) for e in everything]

    # 截断时的颗粒度
    delta = max(everything_token) // 16

    while n_token > max_token_limit:
        where = np.argmax(everything_token)
        encoded = tokenizer.encode(everything[where], disallowed_special=())
        clipped_encoded = encoded[: len(encoded) - delta]
        everything[where] = tokenizer.decode(clipped_encoded)[
            :-1
        ]  # -1 to remove the may-be illegal char
        everything_token[where] = get_token_num(everything[where])
        n_token = get_token_num("\n".join(everything))

    history = everything[1:]
    return history


"""
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
第三部分
其他小工具:
    - zip_folder:    把某个路径下所有文件压缩，然后转移到指定的另一个路径中（gpt写的）
    - gen_time_str:  生成时间戳
    - ProxyNetworkActivate: 临时地启动代理网络（如果有）
    - objdump/objload: 快捷的调试函数
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
"""


def zip_folder(source_folder, dest_folder, zip_name):
    import zipfile
    import os

    # Make sure the source folder exists
    if not os.path.exists(source_folder):
        print(f"{source_folder} does not exist")
        return

    # Make sure the destination folder exists
    if not os.path.exists(dest_folder):
        print(f"{dest_folder} does not exist")
        return

    # Create the name for the zip file
    zip_file = pj(dest_folder, zip_name)

    # Create a ZipFile object
    with zipfile.ZipFile(zip_file, "w", zipfile.ZIP_DEFLATED) as zipf:
        # Walk through the source folder and add files to the zip file
        for foldername, subfolders, filenames in os.walk(source_folder):
            for filename in filenames:
                filepath = pj(foldername, filename)
                zipf.write(filepath, arcname=os.path.relpath(filepath, source_folder))

    # Move the zip file to the destination folder (if it wasn't already there)
    if os.path.dirname(zip_file) != dest_folder:
        os.rename(zip_file, pj(dest_folder, os.path.basename(zip_file)))
        zip_file = pj(dest_folder, os.path.basename(zip_file))

    print(f"Zip file created at {zip_file}")


def zip_result(folder):
    t = gen_time_str()
    zip_folder(folder, get_log_folder(), f"{t}-result.zip")
    return pj(get_log_folder(), f"{t}-result.zip")


def gen_time_str():
    import time

    return time.strftime("%Y-%m-%d-%H-%M-%S", time.localtime())


def get_log_folder(user=default_user_name, plugin_name="shared"):
    if user is None:
        user = default_user_name
    PATH_LOGGING = get_conf("PATH_LOGGING")
    if plugin_name is None:
        _dir = pj(PATH_LOGGING, user)
    else:
        _dir = pj(PATH_LOGGING, user, plugin_name)
    if not os.path.exists(_dir):
        os.makedirs(_dir)
    return _dir


def get_upload_folder(user=default_user_name, tag=None):
    PATH_PRIVATE_UPLOAD = get_conf("PATH_PRIVATE_UPLOAD")
    if user is None:
        user = default_user_name
    if tag is None or len(tag) == 0:
        target_path_base = pj(PATH_PRIVATE_UPLOAD, user)
    else:
        target_path_base = pj(PATH_PRIVATE_UPLOAD, user, tag)
    return target_path_base


def is_the_upload_folder(string):
    PATH_PRIVATE_UPLOAD = get_conf("PATH_PRIVATE_UPLOAD")
    pattern = r"^PATH_PRIVATE_UPLOAD[\\/][A-Za-z0-9_-]+[\\/]\d{4}-\d{2}-\d{2}-\d{2}-\d{2}-\d{2}$"
    pattern = pattern.replace("PATH_PRIVATE_UPLOAD", PATH_PRIVATE_UPLOAD)
    if re.match(pattern, string):
        return True
    else:
        return False


def get_user(chatbotwithcookies):
    return chatbotwithcookies._cookies.get("user_name", default_user_name)


class ProxyNetworkActivate:
    """
    这段代码定义了一个名为ProxyNetworkActivate的空上下文管理器, 用于给一小段代码上代理
    """

    def __init__(self, task=None) -> None:
        self.task = task
        if not task:
            # 不给定task, 那么我们默认代理生效
            self.valid = True
        else:
            # 给定了task, 我们检查一下
            from toolbox import get_conf

            WHEN_TO_USE_PROXY = get_conf("WHEN_TO_USE_PROXY")
            self.valid = task in WHEN_TO_USE_PROXY

    def __enter__(self):
        if not self.valid:
            return self
        from toolbox import get_conf

        proxies = get_conf("proxies")
        if "no_proxy" in os.environ:
            os.environ.pop("no_proxy")
        if proxies is not None:
            if "http" in proxies:
                os.environ["HTTP_PROXY"] = proxies["http"]
            if "https" in proxies:
                os.environ["HTTPS_PROXY"] = proxies["https"]
        return self

    def __exit__(self, exc_type, exc_value, traceback):
        os.environ["no_proxy"] = "*"
        if "HTTP_PROXY" in os.environ:
            os.environ.pop("HTTP_PROXY")
        if "HTTPS_PROXY" in os.environ:
            os.environ.pop("HTTPS_PROXY")
        return


def objdump(obj, file="objdump.tmp"):
    import pickle

    with open(file, "wb+") as f:
        pickle.dump(obj, f)
    return


def objload(file="objdump.tmp"):
    import pickle, os

    if not os.path.exists(file):
        return
    with open(file, "rb") as f:
        return pickle.load(f)


def Singleton(cls):
    """
    一个单实例装饰器
    """
    _instance = {}

    def _singleton(*args, **kargs):
        if cls not in _instance:
            _instance[cls] = cls(*args, **kargs)
        return _instance[cls]

    return _singleton


def get_pictures_list(path):
    file_manifest = [f for f in glob.glob(f"{path}/**/*.jpg", recursive=True)]
    file_manifest += [f for f in glob.glob(f"{path}/**/*.jpeg", recursive=True)]
    file_manifest += [f for f in glob.glob(f"{path}/**/*.png", recursive=True)]
    return file_manifest


def have_any_recent_upload_image_files(chatbot):
    _5min = 5 * 60
    if chatbot is None:
        return False, None  # chatbot is None
    most_recent_uploaded = chatbot._cookies.get("most_recent_uploaded", None)
    if not most_recent_uploaded:
        return False, None  # most_recent_uploaded is None
    if time.time() - most_recent_uploaded["time"] < _5min:
        most_recent_uploaded = chatbot._cookies.get("most_recent_uploaded", None)
        path = most_recent_uploaded["path"]
        file_manifest = get_pictures_list(path)
        if len(file_manifest) == 0:
            return False, None
        return True, file_manifest  # most_recent_uploaded is new
    else:
        return False, None  # most_recent_uploaded is too old


# Function to encode the image
def encode_image(image_path):
    with open(image_path, "rb") as image_file:
        return base64.b64encode(image_file.read()).decode("utf-8")


def get_max_token(llm_kwargs):
    from request_llms.bridge_all import model_info

    return model_info[llm_kwargs["llm_model"]]["max_token"]


def check_packages(packages=[]):
    import importlib.util

    for p in packages:
        spam_spec = importlib.util.find_spec(p)
        if spam_spec is None:
            raise ModuleNotFoundError