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import traceback | |
from toolbox import update_ui | |
def input_clipping(inputs, history, max_token_limit): | |
import tiktoken | |
import numpy as np | |
from toolbox import get_conf | |
enc = tiktoken.encoding_for_model(*get_conf('LLM_MODEL')) | |
def get_token_num(txt): return len(enc.encode(txt)) | |
mode = 'input-and-history' | |
# 当 输入部分的token占比 小于 全文的一半时,只裁剪历史 | |
input_token_num = get_token_num(inputs) | |
if input_token_num < max_token_limit//2: | |
mode = 'only-history' | |
max_token_limit = max_token_limit - input_token_num | |
everything = [inputs] if mode == 'input-and-history' else [''] | |
everything.extend(history) | |
n_token = get_token_num('\n'.join(everything)) | |
everything_token = [get_token_num(e) for e in everything] | |
delta = max(everything_token) // 16 # 截断时的颗粒度 | |
while n_token > max_token_limit: | |
where = np.argmax(everything_token) | |
encoded = enc.encode(everything[where]) | |
clipped_encoded = encoded[:len(encoded)-delta] | |
everything[where] = enc.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)) | |
if mode == 'input-and-history': | |
inputs = everything[0] | |
else: | |
pass | |
history = everything[1:] | |
return inputs, history | |
def request_gpt_model_in_new_thread_with_ui_alive( | |
inputs, inputs_show_user, top_p, temperature, | |
chatbot, history, sys_prompt, refresh_interval=0.2, | |
handle_token_exceed=True, | |
retry_times_at_unknown_error=2, | |
): | |
""" | |
Request GPT model,请求GPT模型同时维持用户界面活跃。 | |
输入参数 Args (以_array结尾的输入变量都是列表,列表长度为子任务的数量,执行时,会把列表拆解,放到每个子线程中分别执行): | |
inputs (string): List of inputs (输入) | |
inputs_show_user (string): List of inputs to show user(展现在报告中的输入,借助此参数,在汇总报告中隐藏啰嗦的真实输入,增强报告的可读性) | |
top_p (float): Top p value for sampling from model distribution (GPT参数,浮点数) | |
temperature (float): Temperature value for sampling from model distribution(GPT参数,浮点数) | |
chatbot: chatbot inputs and outputs (用户界面对话窗口句柄,用于数据流可视化) | |
history (list): List of chat history (历史,对话历史列表) | |
sys_prompt (string): List of system prompts (系统输入,列表,用于输入给GPT的前提提示,比如你是翻译官怎样怎样) | |
refresh_interval (float, optional): Refresh interval for UI (default: 0.2) (刷新时间间隔频率,建议低于1,不可高于3,仅仅服务于视觉效果) | |
handle_token_exceed:是否自动处理token溢出的情况,如果选择自动处理,则会在溢出时暴力截断,默认开启 | |
retry_times_at_unknown_error:失败时的重试次数 | |
输出 Returns: | |
future: 输出,GPT返回的结果 | |
""" | |
import time | |
from concurrent.futures import ThreadPoolExecutor | |
from request_llm.bridge_chatgpt import predict_no_ui_long_connection | |
# 用户反馈 | |
chatbot.append([inputs_show_user, ""]) | |
msg = '正常' | |
yield from update_ui(chatbot=chatbot, history=[]) | |
executor = ThreadPoolExecutor(max_workers=16) | |
mutable = ["", time.time()] | |
def _req_gpt(inputs, history, sys_prompt): | |
retry_op = retry_times_at_unknown_error | |
exceeded_cnt = 0 | |
while True: | |
try: | |
# 【第一种情况】:顺利完成 | |
result = predict_no_ui_long_connection( | |
inputs=inputs, top_p=top_p, temperature=temperature, | |
history=history, sys_prompt=sys_prompt, observe_window=mutable) | |
return result | |
except ConnectionAbortedError as token_exceeded_error: | |
# 【第二种情况】:Token溢出, | |
if handle_token_exceed: | |
exceeded_cnt += 1 | |
# 【选择处理】 尝试计算比例,尽可能多地保留文本 | |
from toolbox import get_reduce_token_percent | |
p_ratio, n_exceed = get_reduce_token_percent(str(token_exceeded_error)) | |
MAX_TOKEN = 4096 | |
EXCEED_ALLO = 512 + 512 * exceeded_cnt | |
inputs, history = input_clipping(inputs, history, max_token_limit=MAX_TOKEN-EXCEED_ALLO) | |
mutable[0] += f'[Local Message] 警告,文本过长将进行截断,Token溢出数:{n_exceed}。\n\n' | |
continue # 返回重试 | |
else: | |
# 【选择放弃】 | |
tb_str = '```\n' + traceback.format_exc() + '```' | |
mutable[0] += f"[Local Message] 警告,在执行过程中遭遇问题, Traceback:\n\n{tb_str}\n\n" | |
return mutable[0] # 放弃 | |
except: | |
# 【第三种情况】:其他错误 | |
tb_str = '```\n' + traceback.format_exc() + '```' | |
mutable[0] += f"[Local Message] 警告,在执行过程中遭遇问题, Traceback:\n\n{tb_str}\n\n" | |
if retry_op > 0: | |
retry_op -= 1 | |
mutable[0] += f"[Local Message] 重试中 {retry_times_at_unknown_error-retry_op}/{retry_times_at_unknown_error}:\n\n" | |
time.sleep(5) | |
continue # 返回重试 | |
else: | |
time.sleep(5) | |
return mutable[0] # 放弃 | |
future = executor.submit(_req_gpt, inputs, history, sys_prompt) | |
while True: | |
# yield一次以刷新前端页面 | |
time.sleep(refresh_interval) | |
# “喂狗”(看门狗) | |
mutable[1] = time.time() | |
if future.done(): | |
break | |
chatbot[-1] = [chatbot[-1][0], mutable[0]] | |
msg = "正常" | |
yield chatbot, [], msg | |
return future.result() | |
def request_gpt_model_multi_threads_with_very_awesome_ui_and_high_efficiency( | |
inputs_array, inputs_show_user_array, top_p, temperature, | |
chatbot, history_array, sys_prompt_array, | |
refresh_interval=0.2, max_workers=10, scroller_max_len=30, | |
handle_token_exceed=True, show_user_at_complete=False, | |
retry_times_at_unknown_error=2, | |
): | |
""" | |
Request GPT model using multiple threads with UI and high efficiency | |
请求GPT模型的[多线程]版。 | |
具备以下功能: | |
实时在UI上反馈远程数据流 | |
使用线程池,可调节线程池的大小避免openai的流量限制错误 | |
处理中途中止的情况 | |
网络等出问题时,会把traceback和已经接收的数据转入输出 | |
输入参数 Args (以_array结尾的输入变量都是列表,列表长度为子任务的数量,执行时,会把列表拆解,放到每个子线程中分别执行): | |
inputs_array (list): List of inputs (每个子任务的输入) | |
inputs_show_user_array (list): List of inputs to show user(每个子任务展现在报告中的输入,借助此参数,在汇总报告中隐藏啰嗦的真实输入,增强报告的可读性) | |
top_p (float): Top p value for sampling from model distribution (GPT参数,浮点数) | |
temperature (float): Temperature value for sampling from model distribution(GPT参数,浮点数) | |
chatbot: chatbot (用户界面对话窗口句柄,用于数据流可视化) | |
history_array (list): List of chat history (历史对话输入,双层列表,第一层列表是子任务分解,第二层列表是对话历史) | |
sys_prompt_array (list): List of system prompts (系统输入,列表,用于输入给GPT的前提提示,比如你是翻译官怎样怎样) | |
refresh_interval (float, optional): Refresh interval for UI (default: 0.2) (刷新时间间隔频率,建议低于1,不可高于3,仅仅服务于视觉效果) | |
max_workers (int, optional): Maximum number of threads (default: 10) (最大线程数,如果子任务非常多,需要用此选项防止高频地请求openai导致错误) | |
scroller_max_len (int, optional): Maximum length for scroller (default: 30)(数据流的显示最后收到的多少个字符,仅仅服务于视觉效果) | |
handle_token_exceed (bool, optional): (是否在输入过长时,自动缩减文本) | |
handle_token_exceed:是否自动处理token溢出的情况,如果选择自动处理,则会在溢出时暴力截断,默认开启 | |
show_user_at_complete (bool, optional): (在结束时,把完整输入-输出结果显示在聊天框) | |
retry_times_at_unknown_error:子任务失败时的重试次数 | |
输出 Returns: | |
list: List of GPT model responses (每个子任务的输出汇总,如果某个子任务出错,response中会携带traceback报错信息,方便调试和定位问题。) | |
""" | |
import time, random | |
from concurrent.futures import ThreadPoolExecutor | |
from request_llm.bridge_chatgpt import predict_no_ui_long_connection | |
assert len(inputs_array) == len(history_array) | |
assert len(inputs_array) == len(sys_prompt_array) | |
executor = ThreadPoolExecutor(max_workers=max_workers) | |
n_frag = len(inputs_array) | |
# 用户反馈 | |
chatbot.append(["请开始多线程操作。", ""]) | |
msg = '正常' | |
yield chatbot, [], msg | |
# 异步原子 | |
mutable = [["", time.time(), "等待中"] for _ in range(n_frag)] | |
def _req_gpt(index, inputs, history, sys_prompt): | |
gpt_say = "" | |
retry_op = retry_times_at_unknown_error | |
exceeded_cnt = 0 | |
mutable[index][2] = "执行中" | |
while True: | |
try: | |
# 【第一种情况】:顺利完成 | |
# time.sleep(10); raise RuntimeError("测试") | |
gpt_say = predict_no_ui_long_connection( | |
inputs=inputs, top_p=top_p, temperature=temperature, history=history, | |
sys_prompt=sys_prompt, observe_window=mutable[index], console_slience=True | |
) | |
mutable[index][2] = "已成功" | |
return gpt_say | |
except ConnectionAbortedError as token_exceeded_error: | |
# 【第二种情况】:Token溢出, | |
if handle_token_exceed: | |
exceeded_cnt += 1 | |
# 【选择处理】 尝试计算比例,尽可能多地保留文本 | |
from toolbox import get_reduce_token_percent | |
p_ratio, n_exceed = get_reduce_token_percent(str(token_exceeded_error)) | |
MAX_TOKEN = 4096 | |
EXCEED_ALLO = 512 + 512 * exceeded_cnt | |
inputs, history = input_clipping(inputs, history, max_token_limit=MAX_TOKEN-EXCEED_ALLO) | |
gpt_say += f'[Local Message] 警告,文本过长将进行截断,Token溢出数:{n_exceed}。\n\n' | |
mutable[index][2] = f"截断重试" | |
continue # 返回重试 | |
else: | |
# 【选择放弃】 | |
tb_str = '```\n' + traceback.format_exc() + '```' | |
gpt_say += f"[Local Message] 警告,线程{index}在执行过程中遭遇问题, Traceback:\n\n{tb_str}\n\n" | |
if len(mutable[index][0]) > 0: gpt_say += "此线程失败前收到的回答:\n\n" + mutable[index][0] | |
mutable[index][2] = "输入过长已放弃" | |
return gpt_say # 放弃 | |
except: | |
# 【第三种情况】:其他错误 | |
tb_str = '```\n' + traceback.format_exc() + '```' | |
gpt_say += f"[Local Message] 警告,线程{index}在执行过程中遭遇问题, Traceback:\n\n{tb_str}\n\n" | |
if len(mutable[index][0]) > 0: gpt_say += "此线程失败前收到的回答:\n\n" + mutable[index][0] | |
if retry_op > 0: | |
retry_op -= 1 | |
wait = random.randint(5, 20) | |
for i in range(wait):# 也许等待十几秒后,情况会好转 | |
mutable[index][2] = f"等待重试 {wait-i}"; time.sleep(1) | |
mutable[index][2] = f"重试中 {retry_times_at_unknown_error-retry_op}/{retry_times_at_unknown_error}" | |
continue # 返回重试 | |
else: | |
mutable[index][2] = "已失败" | |
wait = 5 | |
time.sleep(5) | |
return gpt_say # 放弃 | |
# 异步任务开始 | |
futures = [executor.submit(_req_gpt, index, inputs, history, sys_prompt) for index, inputs, history, sys_prompt in zip( | |
range(len(inputs_array)), inputs_array, history_array, sys_prompt_array)] | |
cnt = 0 | |
while True: | |
# yield一次以刷新前端页面 | |
time.sleep(refresh_interval) | |
cnt += 1 | |
worker_done = [h.done() for h in futures] | |
if all(worker_done): | |
executor.shutdown() | |
break | |
# 更好的UI视觉效果 | |
observe_win = [] | |
# print([mutable[thread_index][2] for thread_index, _ in enumerate(worker_done)]) | |
# 每个线程都要“喂狗”(看门狗) | |
for thread_index, _ in enumerate(worker_done): | |
mutable[thread_index][1] = time.time() | |
# 在前端打印些好玩的东西 | |
for thread_index, _ in enumerate(worker_done): | |
print_something_really_funny = "[ ...`"+mutable[thread_index][0][-scroller_max_len:].\ | |
replace('\n', '').replace('```', '...').replace( | |
' ', '.').replace('<br/>', '.....').replace('$', '.')+"`... ]" | |
observe_win.append(print_something_really_funny) | |
stat_str = ''.join([f'`{mutable[thread_index][2]}`: {obs}\n\n' | |
if not done else f'`{mutable[thread_index][2]}`\n\n' | |
for thread_index, done, obs in zip(range(len(worker_done)), worker_done, observe_win)]) | |
chatbot[-1] = [chatbot[-1][0], f'多线程操作已经开始,完成情况: \n\n{stat_str}' + ''.join(['.']*(cnt % 10+1))] | |
msg = "正常" | |
yield chatbot, [], msg | |
# 异步任务结束 | |
gpt_response_collection = [] | |
for inputs_show_user, f in zip(inputs_show_user_array, futures): | |
gpt_res = f.result() | |
gpt_response_collection.extend([inputs_show_user, gpt_res]) | |
if show_user_at_complete: | |
for inputs_show_user, f in zip(inputs_show_user_array, futures): | |
gpt_res = f.result() | |
chatbot.append([inputs_show_user, gpt_res]) | |
yield chatbot, [], msg | |
time.sleep(1) | |
return gpt_response_collection | |
def WithRetry(f): | |
""" | |
装饰器函数,用于自动重试。 | |
""" | |
def decorated(retry, res_when_fail, *args, **kwargs): | |
assert retry >= 0 | |
while True: | |
try: | |
res = yield from f(*args, **kwargs) | |
return res | |
except: | |
retry -= 1 | |
if retry<0: | |
print("达到最大重试次数") | |
break | |
else: | |
print("重试中……") | |
continue | |
return res_when_fail | |
return decorated | |
def breakdown_txt_to_satisfy_token_limit(txt, get_token_fn, limit): | |
def cut(txt_tocut, must_break_at_empty_line): # 递归 | |
if get_token_fn(txt_tocut) <= limit: | |
return [txt_tocut] | |
else: | |
lines = txt_tocut.split('\n') | |
estimated_line_cut = limit / get_token_fn(txt_tocut) * len(lines) | |
estimated_line_cut = int(estimated_line_cut) | |
for cnt in reversed(range(estimated_line_cut)): | |
if must_break_at_empty_line: | |
if lines[cnt] != "": | |
continue | |
print(cnt) | |
prev = "\n".join(lines[:cnt]) | |
post = "\n".join(lines[cnt:]) | |
if get_token_fn(prev) < limit: | |
break | |
if cnt == 0: | |
print('what the fuck ?') | |
raise RuntimeError("存在一行极长的文本!") | |
# print(len(post)) | |
# 列表递归接龙 | |
result = [prev] | |
result.extend(cut(post, must_break_at_empty_line)) | |
return result | |
try: | |
return cut(txt, must_break_at_empty_line=True) | |
except RuntimeError: | |
return cut(txt, must_break_at_empty_line=False) | |
def breakdown_txt_to_satisfy_token_limit_for_pdf(txt, get_token_fn, limit): | |
def cut(txt_tocut, must_break_at_empty_line): # 递归 | |
if get_token_fn(txt_tocut) <= limit: | |
return [txt_tocut] | |
else: | |
lines = txt_tocut.split('\n') | |
estimated_line_cut = limit / get_token_fn(txt_tocut) * len(lines) | |
estimated_line_cut = int(estimated_line_cut) | |
cnt = 0 | |
for cnt in reversed(range(estimated_line_cut)): | |
if must_break_at_empty_line: | |
if lines[cnt] != "": | |
continue | |
print(cnt) | |
prev = "\n".join(lines[:cnt]) | |
post = "\n".join(lines[cnt:]) | |
if get_token_fn(prev) < limit: | |
break | |
if cnt == 0: | |
# print('what the fuck ? 存在一行极长的文本!') | |
raise RuntimeError("存在一行极长的文本!") | |
# print(len(post)) | |
# 列表递归接龙 | |
result = [prev] | |
result.extend(cut(post, must_break_at_empty_line)) | |
return result | |
try: | |
return cut(txt, must_break_at_empty_line=True) | |
except RuntimeError: | |
try: | |
return cut(txt, must_break_at_empty_line=False) | |
except RuntimeError: | |
# 这个中文的句号是故意的,作为一个标识而存在 | |
res = cut(txt.replace('.', '。\n'), must_break_at_empty_line=False) | |
return [r.replace('。\n', '.') for r in res] | |