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from toolbox import update_ui | |
from toolbox import CatchException, report_exception | |
from .crazy_utils import read_and_clean_pdf_text | |
from .crazy_utils import request_gpt_model_in_new_thread_with_ui_alive | |
fast_debug = False | |
def 解析PDF(file_name, llm_kwargs, plugin_kwargs, chatbot, history, system_prompt): | |
import tiktoken | |
print('begin analysis on:', file_name) | |
############################## <第 0 步,切割PDF> ################################## | |
# 递归地切割PDF文件,每一块(尽量是完整的一个section,比如introduction,experiment等,必要时再进行切割) | |
# 的长度必须小于 2500 个 Token | |
file_content, page_one = read_and_clean_pdf_text(file_name) # (尝试)按照章节切割PDF | |
file_content = file_content.encode('utf-8', 'ignore').decode() # avoid reading non-utf8 chars | |
page_one = str(page_one).encode('utf-8', 'ignore').decode() # avoid reading non-utf8 chars | |
TOKEN_LIMIT_PER_FRAGMENT = 2500 | |
from .crazy_utils import breakdown_txt_to_satisfy_token_limit_for_pdf | |
from request_llms.bridge_all import model_info | |
enc = model_info["gpt-3.5-turbo"]['tokenizer'] | |
def get_token_num(txt): return len(enc.encode(txt, disallowed_special=())) | |
paper_fragments = breakdown_txt_to_satisfy_token_limit_for_pdf( | |
txt=file_content, get_token_fn=get_token_num, limit=TOKEN_LIMIT_PER_FRAGMENT) | |
page_one_fragments = breakdown_txt_to_satisfy_token_limit_for_pdf( | |
txt=str(page_one), get_token_fn=get_token_num, limit=TOKEN_LIMIT_PER_FRAGMENT//4) | |
# 为了更好的效果,我们剥离Introduction之后的部分(如果有) | |
paper_meta = page_one_fragments[0].split('introduction')[0].split('Introduction')[0].split('INTRODUCTION')[0] | |
############################## <第 1 步,从摘要中提取高价值信息,放到history中> ################################## | |
final_results = [] | |
final_results.append(paper_meta) | |
############################## <第 2 步,迭代地历遍整个文章,提取精炼信息> ################################## | |
i_say_show_user = f'首先你在英文语境下通读整篇论文。'; gpt_say = "[Local Message] 收到。" # 用户提示 | |
chatbot.append([i_say_show_user, gpt_say]); yield from update_ui(chatbot=chatbot, history=[]) # 更新UI | |
iteration_results = [] | |
last_iteration_result = paper_meta # 初始值是摘要 | |
MAX_WORD_TOTAL = 4096 | |
n_fragment = len(paper_fragments) | |
if n_fragment >= 20: print('文章极长,不能达到预期效果') | |
for i in range(n_fragment): | |
NUM_OF_WORD = MAX_WORD_TOTAL // n_fragment | |
i_say = f"Read this section, recapitulate the content of this section with less than {NUM_OF_WORD} words: {paper_fragments[i]}" | |
i_say_show_user = f"[{i+1}/{n_fragment}] Read this section, recapitulate the content of this section with less than {NUM_OF_WORD} words: {paper_fragments[i][:200]}" | |
gpt_say = yield from request_gpt_model_in_new_thread_with_ui_alive(i_say, i_say_show_user, # i_say=真正给chatgpt的提问, i_say_show_user=给用户看的提问 | |
llm_kwargs, chatbot, | |
history=["The main idea of the previous section is?", last_iteration_result], # 迭代上一次的结果 | |
sys_prompt="Extract the main idea of this section, answer me with Chinese." # 提示 | |
) | |
iteration_results.append(gpt_say) | |
last_iteration_result = gpt_say | |
############################## <第 3 步,整理history> ################################## | |
final_results.extend(iteration_results) | |
final_results.append(f'接下来,你是一名专业的学术教授,利用以上信息,使用中文回答我的问题。') | |
# 接下来两句话只显示在界面上,不起实际作用 | |
i_say_show_user = f'接下来,你是一名专业的学术教授,利用以上信息,使用中文回答我的问题。'; gpt_say = "[Local Message] 收到。" | |
chatbot.append([i_say_show_user, gpt_say]) | |
############################## <第 4 步,设置一个token上限,防止回答时Token溢出> ################################## | |
from .crazy_utils import input_clipping | |
_, final_results = input_clipping("", final_results, max_token_limit=3200) | |
yield from update_ui(chatbot=chatbot, history=final_results) # 注意这里的历史记录被替代了 | |
def 理解PDF文档内容标准文件输入(txt, llm_kwargs, plugin_kwargs, chatbot, history, system_prompt, web_port): | |
import glob, os | |
# 基本信息:功能、贡献者 | |
chatbot.append([ | |
"函数插件功能?", | |
"理解PDF论文内容,并且将结合上下文内容,进行学术解答。函数插件贡献者: Hanzoe, binary-husky"]) | |
yield from update_ui(chatbot=chatbot, history=history) # 刷新界面 | |
# 尝试导入依赖,如果缺少依赖,则给出安装建议 | |
try: | |
import fitz | |
except: | |
report_exception(chatbot, history, | |
a = f"解析项目: {txt}", | |
b = f"导入软件依赖失败。使用该模块需要额外依赖,安装方法```pip install --upgrade pymupdf```。") | |
yield from update_ui(chatbot=chatbot, history=history) # 刷新界面 | |
return | |
# 清空历史,以免输入溢出 | |
history = [] | |
# 检测输入参数,如没有给定输入参数,直接退出 | |
if os.path.exists(txt): | |
project_folder = txt | |
else: | |
if txt == "": | |
txt = '空空如也的输入栏' | |
report_exception(chatbot, history, | |
a=f"解析项目: {txt}", b=f"找不到本地项目或无权访问: {txt}") | |
yield from update_ui(chatbot=chatbot, history=history) # 刷新界面 | |
return | |
# 搜索需要处理的文件清单 | |
file_manifest = [f for f in glob.glob(f'{project_folder}/**/*.pdf', recursive=True)] | |
# 如果没找到任何文件 | |
if len(file_manifest) == 0: | |
report_exception(chatbot, history, | |
a=f"解析项目: {txt}", b=f"找不到任何.tex或.pdf文件: {txt}") | |
yield from update_ui(chatbot=chatbot, history=history) # 刷新界面 | |
return | |
txt = file_manifest[0] | |
# 开始正式执行任务 | |
yield from 解析PDF(txt, llm_kwargs, plugin_kwargs, chatbot, history, system_prompt) | |