gpt-academic / crazy_functions /Langchain知识库.py
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from toolbox import CatchException, update_ui, ProxyNetworkActivate, update_ui_lastest_msg
from .crazy_utils import request_gpt_model_in_new_thread_with_ui_alive, get_files_from_everything
@CatchException
def 知识库问答(txt, llm_kwargs, plugin_kwargs, chatbot, history, system_prompt, web_port):
"""
txt 输入栏用户输入的文本,例如需要翻译的一段话,再例如一个包含了待处理文件的路径
llm_kwargs gpt模型参数, 如温度和top_p等, 一般原样传递下去就行
plugin_kwargs 插件模型的参数,暂时没有用武之地
chatbot 聊天显示框的句柄,用于显示给用户
history 聊天历史,前情提要
system_prompt 给gpt的静默提醒
web_port 当前软件运行的端口号
"""
history = [] # 清空历史,以免输入溢出
# < --------------------读取参数--------------- >
if ("advanced_arg" in plugin_kwargs) and (plugin_kwargs["advanced_arg"] == ""): plugin_kwargs.pop("advanced_arg")
kai_id = plugin_kwargs.get("advanced_arg", 'default')
chatbot.append((f"向`{kai_id}`知识库中添加文件。", "[Local Message] 从一批文件(txt, md, tex)中读取数据构建知识库, 然后进行问答。"))
yield from update_ui(chatbot=chatbot, history=history) # 刷新界面
# resolve deps
try:
from zh_langchain import construct_vector_store
from langchain.embeddings.huggingface import HuggingFaceEmbeddings
from .crazy_utils import knowledge_archive_interface
except Exception as e:
chatbot.append(["依赖不足", "导入依赖失败。正在尝试自动安装,请查看终端的输出或耐心等待..."])
yield from update_ui(chatbot=chatbot, history=history) # 刷新界面
from .crazy_utils import try_install_deps
try_install_deps(['zh_langchain==0.2.1', 'pypinyin'], reload_m=['pypinyin', 'zh_langchain'])
yield from update_ui_lastest_msg("安装完成,您可以再次重试。", chatbot, history)
return
# < --------------------读取文件--------------- >
file_manifest = []
spl = ["txt", "doc", "docx", "email", "epub", "html", "json", "md", "msg", "pdf", "ppt", "pptx", "rtf"]
for sp in spl:
_, file_manifest_tmp, _ = get_files_from_everything(txt, type=f'.{sp}')
file_manifest += file_manifest_tmp
if len(file_manifest) == 0:
chatbot.append(["没有找到任何可读取文件", "当前支持的格式包括: txt, md, docx, pptx, pdf, json等"])
yield from update_ui(chatbot=chatbot, history=history) # 刷新界面
return
# < -------------------预热文本向量化模组--------------- >
chatbot.append(['<br/>'.join(file_manifest), "正在预热文本向量化模组, 如果是第一次运行, 将消耗较长时间下载中文向量化模型..."])
yield from update_ui(chatbot=chatbot, history=history) # 刷新界面
print('Checking Text2vec ...')
from langchain.embeddings.huggingface import HuggingFaceEmbeddings
with ProxyNetworkActivate(): # 临时地激活代理网络
HuggingFaceEmbeddings(model_name="GanymedeNil/text2vec-large-chinese")
# < -------------------构建知识库--------------- >
chatbot.append(['<br/>'.join(file_manifest), "正在构建知识库..."])
yield from update_ui(chatbot=chatbot, history=history) # 刷新界面
print('Establishing knowledge archive ...')
with ProxyNetworkActivate(): # 临时地激活代理网络
kai = knowledge_archive_interface()
kai.feed_archive(file_manifest=file_manifest, id=kai_id)
kai_files = kai.get_loaded_file()
kai_files = '<br/>'.join(kai_files)
# chatbot.append(['知识库构建成功', "正在将知识库存储至cookie中"])
# yield from update_ui(chatbot=chatbot, history=history) # 刷新界面
# chatbot._cookies['langchain_plugin_embedding'] = kai.get_current_archive_id()
# chatbot._cookies['lock_plugin'] = 'crazy_functions.Langchain知识库->读取知识库作答'
# chatbot.append(['完成', "“根据知识库作答”函数插件已经接管问答系统, 提问吧! 但注意, 您接下来不能再使用其他插件了,刷新页面即可以退出知识库问答模式。"])
chatbot.append(['构建完成', f"当前知识库内的有效文件:\n\n---\n\n{kai_files}\n\n---\n\n请切换至“知识库问答”插件进行知识库访问, 或者使用此插件继续上传更多文件。"])
yield from update_ui(chatbot=chatbot, history=history) # 刷新界面 # 由于请求gpt需要一段时间,我们先及时地做一次界面更新
@CatchException
def 读取知识库作答(txt, llm_kwargs, plugin_kwargs, chatbot, history, system_prompt, web_port=-1):
# resolve deps
try:
from zh_langchain import construct_vector_store
from langchain.embeddings.huggingface import HuggingFaceEmbeddings
from .crazy_utils import knowledge_archive_interface
except Exception as e:
chatbot.append(["依赖不足", "导入依赖失败。正在尝试自动安装,请查看终端的输出或耐心等待..."])
yield from update_ui(chatbot=chatbot, history=history) # 刷新界面
from .crazy_utils import try_install_deps
try_install_deps(['zh_langchain==0.2.1', 'pypinyin'], reload_m=['pypinyin', 'zh_langchain'])
yield from update_ui_lastest_msg("安装完成,您可以再次重试。", chatbot, history)
return
# < ------------------- --------------- >
kai = knowledge_archive_interface()
if ("advanced_arg" in plugin_kwargs) and (plugin_kwargs["advanced_arg"] == ""): plugin_kwargs.pop("advanced_arg")
kai_id = plugin_kwargs.get("advanced_arg", 'default')
resp, prompt = kai.answer_with_archive_by_id(txt, kai_id)
chatbot.append((txt, f'[知识库 {kai_id}] ' + prompt))
yield from update_ui(chatbot=chatbot, history=history) # 刷新界面 # 由于请求gpt需要一段时间,我们先及时地做一次界面更新
gpt_say = yield from request_gpt_model_in_new_thread_with_ui_alive(
inputs=prompt, inputs_show_user=txt,
llm_kwargs=llm_kwargs, chatbot=chatbot, history=[],
sys_prompt=system_prompt
)
history.extend((prompt, gpt_say))
yield from update_ui(chatbot=chatbot, history=history) # 刷新界面 # 由于请求gpt需要一段时间,我们先及时地做一次界面更新