Commit ·
dae5193
1
Parent(s): ffff3dc
Delete chat_func.py
Browse files- chat_func.py +0 -456
chat_func.py
DELETED
|
@@ -1,456 +0,0 @@
|
|
| 1 |
-
# -*- coding:utf-8 -*-
|
| 2 |
-
from __future__ import annotations
|
| 3 |
-
from typing import TYPE_CHECKING, List
|
| 4 |
-
|
| 5 |
-
import logging
|
| 6 |
-
import json
|
| 7 |
-
import os
|
| 8 |
-
import requests
|
| 9 |
-
import urllib3
|
| 10 |
-
|
| 11 |
-
from tqdm import tqdm
|
| 12 |
-
import colorama
|
| 13 |
-
from duckduckgo_search import ddg
|
| 14 |
-
import asyncio
|
| 15 |
-
import aiohttp
|
| 16 |
-
|
| 17 |
-
from presets import *
|
| 18 |
-
from llama_func import *
|
| 19 |
-
from utils import *
|
| 20 |
-
|
| 21 |
-
# logging.basicConfig(level=logging.INFO, format="%(asctime)s [%(levelname)s] [%(filename)s:%(lineno)d] %(message)s")
|
| 22 |
-
|
| 23 |
-
if TYPE_CHECKING:
|
| 24 |
-
from typing import TypedDict
|
| 25 |
-
|
| 26 |
-
class DataframeData(TypedDict):
|
| 27 |
-
headers: List[str]
|
| 28 |
-
data: List[List[str | int | bool]]
|
| 29 |
-
|
| 30 |
-
|
| 31 |
-
initial_prompt = "You are a helpful assistant."
|
| 32 |
-
API_URL = "https://api.openai.com/v1/chat/completions"
|
| 33 |
-
HISTORY_DIR = "history"
|
| 34 |
-
TEMPLATES_DIR = "templates"
|
| 35 |
-
|
| 36 |
-
def get_response(
|
| 37 |
-
openai_api_key, system_prompt, history, temperature, top_p, stream, selected_model
|
| 38 |
-
):
|
| 39 |
-
headers = {
|
| 40 |
-
"Content-Type": "application/json",
|
| 41 |
-
"Authorization": f"Bearer {openai_api_key}",
|
| 42 |
-
}
|
| 43 |
-
|
| 44 |
-
history = [construct_system(system_prompt), *history]
|
| 45 |
-
|
| 46 |
-
payload = {
|
| 47 |
-
"model": selected_model,
|
| 48 |
-
"messages": history, # [{"role": "user", "content": f"{inputs}"}],
|
| 49 |
-
"temperature": temperature, # 1.0,
|
| 50 |
-
"top_p": top_p, # 1.0,
|
| 51 |
-
"n": 1,
|
| 52 |
-
"stream": stream,
|
| 53 |
-
"presence_penalty": 0,
|
| 54 |
-
"frequency_penalty": 0,
|
| 55 |
-
}
|
| 56 |
-
if stream:
|
| 57 |
-
timeout = timeout_streaming
|
| 58 |
-
else:
|
| 59 |
-
timeout = timeout_all
|
| 60 |
-
|
| 61 |
-
# 获取环境变量中的代理设置
|
| 62 |
-
http_proxy = os.environ.get("HTTP_PROXY") or os.environ.get("http_proxy")
|
| 63 |
-
https_proxy = os.environ.get("HTTPS_PROXY") or os.environ.get("https_proxy")
|
| 64 |
-
|
| 65 |
-
# 如果存在代理设置,使用它们
|
| 66 |
-
proxies = {}
|
| 67 |
-
if http_proxy:
|
| 68 |
-
logging.info(f"Using HTTP proxy: {http_proxy}")
|
| 69 |
-
proxies["http"] = http_proxy
|
| 70 |
-
if https_proxy:
|
| 71 |
-
logging.info(f"Using HTTPS proxy: {https_proxy}")
|
| 72 |
-
proxies["https"] = https_proxy
|
| 73 |
-
|
| 74 |
-
# 如果有代理,使用代理发送请求,否则使用默认设置发送请求
|
| 75 |
-
if proxies:
|
| 76 |
-
response = requests.post(
|
| 77 |
-
API_URL,
|
| 78 |
-
headers=headers,
|
| 79 |
-
json=payload,
|
| 80 |
-
stream=True,
|
| 81 |
-
timeout=timeout,
|
| 82 |
-
proxies=proxies,
|
| 83 |
-
)
|
| 84 |
-
else:
|
| 85 |
-
response = requests.post(
|
| 86 |
-
API_URL,
|
| 87 |
-
headers=headers,
|
| 88 |
-
json=payload,
|
| 89 |
-
stream=True,
|
| 90 |
-
timeout=timeout,
|
| 91 |
-
)
|
| 92 |
-
return response
|
| 93 |
-
|
| 94 |
-
|
| 95 |
-
def stream_predict(
|
| 96 |
-
openai_api_key,
|
| 97 |
-
system_prompt,
|
| 98 |
-
history,
|
| 99 |
-
inputs,
|
| 100 |
-
chatbot,
|
| 101 |
-
all_token_counts,
|
| 102 |
-
top_p,
|
| 103 |
-
temperature,
|
| 104 |
-
selected_model,
|
| 105 |
-
fake_input=None,
|
| 106 |
-
display_append=""
|
| 107 |
-
):
|
| 108 |
-
def get_return_value():
|
| 109 |
-
return chatbot, history, status_text, all_token_counts
|
| 110 |
-
|
| 111 |
-
logging.info("实时回答模式")
|
| 112 |
-
partial_words = ""
|
| 113 |
-
counter = 0
|
| 114 |
-
status_text = "开始实时传输回答……"
|
| 115 |
-
history.append(construct_user(inputs))
|
| 116 |
-
history.append(construct_assistant(""))
|
| 117 |
-
if fake_input:
|
| 118 |
-
chatbot.append((fake_input, ""))
|
| 119 |
-
else:
|
| 120 |
-
chatbot.append((inputs, ""))
|
| 121 |
-
user_token_count = 0
|
| 122 |
-
if len(all_token_counts) == 0:
|
| 123 |
-
system_prompt_token_count = count_token(construct_system(system_prompt))
|
| 124 |
-
user_token_count = (
|
| 125 |
-
count_token(construct_user(inputs)) + system_prompt_token_count
|
| 126 |
-
)
|
| 127 |
-
else:
|
| 128 |
-
user_token_count = count_token(construct_user(inputs))
|
| 129 |
-
all_token_counts.append(user_token_count)
|
| 130 |
-
logging.info(f"输入token计数: {user_token_count}")
|
| 131 |
-
yield get_return_value()
|
| 132 |
-
try:
|
| 133 |
-
response = get_response(
|
| 134 |
-
openai_api_key,
|
| 135 |
-
system_prompt,
|
| 136 |
-
history,
|
| 137 |
-
temperature,
|
| 138 |
-
top_p,
|
| 139 |
-
True,
|
| 140 |
-
selected_model,
|
| 141 |
-
)
|
| 142 |
-
except requests.exceptions.ConnectTimeout:
|
| 143 |
-
status_text = (
|
| 144 |
-
standard_error_msg + connection_timeout_prompt + error_retrieve_prompt
|
| 145 |
-
)
|
| 146 |
-
yield get_return_value()
|
| 147 |
-
return
|
| 148 |
-
except requests.exceptions.ReadTimeout:
|
| 149 |
-
status_text = standard_error_msg + read_timeout_prompt + error_retrieve_prompt
|
| 150 |
-
yield get_return_value()
|
| 151 |
-
return
|
| 152 |
-
|
| 153 |
-
yield get_return_value()
|
| 154 |
-
error_json_str = ""
|
| 155 |
-
|
| 156 |
-
for chunk in response.iter_lines():
|
| 157 |
-
if counter == 0:
|
| 158 |
-
counter += 1
|
| 159 |
-
continue
|
| 160 |
-
counter += 1
|
| 161 |
-
# check whether each line is non-empty
|
| 162 |
-
if chunk:
|
| 163 |
-
chunk = chunk.decode()
|
| 164 |
-
chunklength = len(chunk)
|
| 165 |
-
try:
|
| 166 |
-
chunk = json.loads(chunk[6:])
|
| 167 |
-
except json.JSONDecodeError:
|
| 168 |
-
logging.info(chunk)
|
| 169 |
-
error_json_str += chunk
|
| 170 |
-
status_text = f"JSON解析错误。请重置对话。收到的内容: {error_json_str}"
|
| 171 |
-
yield get_return_value()
|
| 172 |
-
continue
|
| 173 |
-
# decode each line as response data is in bytes
|
| 174 |
-
if chunklength > 6 and "delta" in chunk["choices"][0]:
|
| 175 |
-
finish_reason = chunk["choices"][0]["finish_reason"]
|
| 176 |
-
status_text = construct_token_message(
|
| 177 |
-
sum(all_token_counts), stream=True
|
| 178 |
-
)
|
| 179 |
-
if finish_reason == "stop":
|
| 180 |
-
yield get_return_value()
|
| 181 |
-
break
|
| 182 |
-
try:
|
| 183 |
-
partial_words = (
|
| 184 |
-
partial_words + chunk["choices"][0]["delta"]["content"]
|
| 185 |
-
)
|
| 186 |
-
except KeyError:
|
| 187 |
-
status_text = (
|
| 188 |
-
standard_error_msg
|
| 189 |
-
+ "API回复中找不到内容。很可能是Token计数达到上限了。请重置对话。当前Token计数: "
|
| 190 |
-
+ str(sum(all_token_counts))
|
| 191 |
-
)
|
| 192 |
-
yield get_return_value()
|
| 193 |
-
break
|
| 194 |
-
history[-1] = construct_assistant(partial_words)
|
| 195 |
-
chatbot[-1] = (chatbot[-1][0], partial_words+display_append)
|
| 196 |
-
all_token_counts[-1] += 1
|
| 197 |
-
yield get_return_value()
|
| 198 |
-
|
| 199 |
-
|
| 200 |
-
def predict_all(
|
| 201 |
-
openai_api_key,
|
| 202 |
-
system_prompt,
|
| 203 |
-
history,
|
| 204 |
-
inputs,
|
| 205 |
-
chatbot,
|
| 206 |
-
all_token_counts,
|
| 207 |
-
top_p,
|
| 208 |
-
temperature,
|
| 209 |
-
selected_model,
|
| 210 |
-
fake_input=None,
|
| 211 |
-
display_append=""
|
| 212 |
-
):
|
| 213 |
-
logging.info("一次性回答模式")
|
| 214 |
-
history.append(construct_user(inputs))
|
| 215 |
-
history.append(construct_assistant(""))
|
| 216 |
-
if fake_input:
|
| 217 |
-
chatbot.append((fake_input, ""))
|
| 218 |
-
else:
|
| 219 |
-
chatbot.append((inputs, ""))
|
| 220 |
-
all_token_counts.append(count_token(construct_user(inputs)))
|
| 221 |
-
try:
|
| 222 |
-
response = get_response(
|
| 223 |
-
openai_api_key,
|
| 224 |
-
system_prompt,
|
| 225 |
-
history,
|
| 226 |
-
temperature,
|
| 227 |
-
top_p,
|
| 228 |
-
False,
|
| 229 |
-
selected_model,
|
| 230 |
-
)
|
| 231 |
-
except requests.exceptions.ConnectTimeout:
|
| 232 |
-
status_text = (
|
| 233 |
-
standard_error_msg + connection_timeout_prompt + error_retrieve_prompt
|
| 234 |
-
)
|
| 235 |
-
return chatbot, history, status_text, all_token_counts
|
| 236 |
-
except requests.exceptions.ProxyError:
|
| 237 |
-
status_text = standard_error_msg + proxy_error_prompt + error_retrieve_prompt
|
| 238 |
-
return chatbot, history, status_text, all_token_counts
|
| 239 |
-
except requests.exceptions.SSLError:
|
| 240 |
-
status_text = standard_error_msg + ssl_error_prompt + error_retrieve_prompt
|
| 241 |
-
return chatbot, history, status_text, all_token_counts
|
| 242 |
-
response = json.loads(response.text)
|
| 243 |
-
content = response["choices"][0]["message"]["content"]
|
| 244 |
-
history[-1] = construct_assistant(content)
|
| 245 |
-
chatbot[-1] = (chatbot[-1][0], content+display_append)
|
| 246 |
-
total_token_count = response["usage"]["total_tokens"]
|
| 247 |
-
all_token_counts[-1] = total_token_count - sum(all_token_counts)
|
| 248 |
-
status_text = construct_token_message(total_token_count)
|
| 249 |
-
return chatbot, history, status_text, all_token_counts
|
| 250 |
-
|
| 251 |
-
|
| 252 |
-
def predict(
|
| 253 |
-
openai_api_key,
|
| 254 |
-
system_prompt,
|
| 255 |
-
history,
|
| 256 |
-
inputs,
|
| 257 |
-
chatbot,
|
| 258 |
-
all_token_counts,
|
| 259 |
-
top_p,
|
| 260 |
-
temperature,
|
| 261 |
-
stream=False,
|
| 262 |
-
selected_model=MODELS[0],
|
| 263 |
-
use_websearch=False,
|
| 264 |
-
files = None,
|
| 265 |
-
should_check_token_count=True,
|
| 266 |
-
): # repetition_penalty, top_k
|
| 267 |
-
logging.info("输入为:" + colorama.Fore.BLUE + f"{inputs}" + colorama.Style.RESET_ALL)
|
| 268 |
-
if files:
|
| 269 |
-
msg = "构建索引中……(这可能需要比较久的时间)"
|
| 270 |
-
logging.info(msg)
|
| 271 |
-
yield chatbot, history, msg, all_token_counts
|
| 272 |
-
index = construct_index(openai_api_key, file_src=files)
|
| 273 |
-
msg = "索引构建完成,获取回答中……"
|
| 274 |
-
yield chatbot, history, msg, all_token_counts
|
| 275 |
-
history, chatbot, status_text = chat_ai(openai_api_key, index, inputs, history, chatbot)
|
| 276 |
-
yield chatbot, history, status_text, all_token_counts
|
| 277 |
-
return
|
| 278 |
-
|
| 279 |
-
old_inputs = ""
|
| 280 |
-
link_references = []
|
| 281 |
-
if use_websearch:
|
| 282 |
-
search_results = ddg(inputs, max_results=5)
|
| 283 |
-
old_inputs = inputs
|
| 284 |
-
web_results = []
|
| 285 |
-
for idx, result in enumerate(search_results):
|
| 286 |
-
logging.info(f"搜索结果{idx + 1}:{result}")
|
| 287 |
-
domain_name = urllib3.util.parse_url(result["href"]).host
|
| 288 |
-
web_results.append(f'[{idx+1}]"{result["body"]}"\nURL: {result["href"]}')
|
| 289 |
-
link_references.append(f"{idx+1}. [{domain_name}]({result['href']})\n")
|
| 290 |
-
link_references = "\n\n" + "".join(link_references)
|
| 291 |
-
inputs = (
|
| 292 |
-
replace_today(WEBSEARCH_PTOMPT_TEMPLATE)
|
| 293 |
-
.replace("{query}", inputs)
|
| 294 |
-
.replace("{web_results}", "\n\n".join(web_results))
|
| 295 |
-
)
|
| 296 |
-
else:
|
| 297 |
-
link_references = ""
|
| 298 |
-
|
| 299 |
-
if len(openai_api_key) != 51:
|
| 300 |
-
status_text = standard_error_msg + no_apikey_msg
|
| 301 |
-
logging.info(status_text)
|
| 302 |
-
chatbot.append((inputs, ""))
|
| 303 |
-
if len(history) == 0:
|
| 304 |
-
history.append(construct_user(inputs))
|
| 305 |
-
history.append("")
|
| 306 |
-
all_token_counts.append(0)
|
| 307 |
-
else:
|
| 308 |
-
history[-2] = construct_user(inputs)
|
| 309 |
-
yield chatbot, history, status_text, all_token_counts
|
| 310 |
-
return
|
| 311 |
-
|
| 312 |
-
yield chatbot, history, "开始生成回答……", all_token_counts
|
| 313 |
-
|
| 314 |
-
if stream:
|
| 315 |
-
logging.info("使用流式传输")
|
| 316 |
-
iter = stream_predict(
|
| 317 |
-
openai_api_key,
|
| 318 |
-
system_prompt,
|
| 319 |
-
history,
|
| 320 |
-
inputs,
|
| 321 |
-
chatbot,
|
| 322 |
-
all_token_counts,
|
| 323 |
-
top_p,
|
| 324 |
-
temperature,
|
| 325 |
-
selected_model,
|
| 326 |
-
fake_input=old_inputs,
|
| 327 |
-
display_append=link_references
|
| 328 |
-
)
|
| 329 |
-
for chatbot, history, status_text, all_token_counts in iter:
|
| 330 |
-
yield chatbot, history, status_text, all_token_counts
|
| 331 |
-
else:
|
| 332 |
-
logging.info("不使用流式传输")
|
| 333 |
-
chatbot, history, status_text, all_token_counts = predict_all(
|
| 334 |
-
openai_api_key,
|
| 335 |
-
system_prompt,
|
| 336 |
-
history,
|
| 337 |
-
inputs,
|
| 338 |
-
chatbot,
|
| 339 |
-
all_token_counts,
|
| 340 |
-
top_p,
|
| 341 |
-
temperature,
|
| 342 |
-
selected_model,
|
| 343 |
-
fake_input=old_inputs,
|
| 344 |
-
display_append=link_references
|
| 345 |
-
)
|
| 346 |
-
yield chatbot, history, status_text, all_token_counts
|
| 347 |
-
|
| 348 |
-
logging.info(f"传输完毕。当前token计数为{all_token_counts}")
|
| 349 |
-
if len(history) > 1 and history[-1]["content"] != inputs:
|
| 350 |
-
logging.info(
|
| 351 |
-
"回答为:"
|
| 352 |
-
+ colorama.Fore.BLUE
|
| 353 |
-
+ f"{history[-1]['content']}"
|
| 354 |
-
+ colorama.Style.RESET_ALL
|
| 355 |
-
)
|
| 356 |
-
|
| 357 |
-
if stream:
|
| 358 |
-
max_token = max_token_streaming
|
| 359 |
-
else:
|
| 360 |
-
max_token = max_token_all
|
| 361 |
-
|
| 362 |
-
if sum(all_token_counts) > max_token and should_check_token_count:
|
| 363 |
-
status_text = f"精简token中{all_token_counts}/{max_token}"
|
| 364 |
-
logging.info(status_text)
|
| 365 |
-
yield chatbot, history, status_text, all_token_counts
|
| 366 |
-
iter = reduce_token_size(
|
| 367 |
-
openai_api_key,
|
| 368 |
-
system_prompt,
|
| 369 |
-
history,
|
| 370 |
-
chatbot,
|
| 371 |
-
all_token_counts,
|
| 372 |
-
top_p,
|
| 373 |
-
temperature,
|
| 374 |
-
max_token//2,
|
| 375 |
-
selected_model=selected_model,
|
| 376 |
-
)
|
| 377 |
-
for chatbot, history, status_text, all_token_counts in iter:
|
| 378 |
-
status_text = f"Token 达到上限,已自动降低Token计数至 {status_text}"
|
| 379 |
-
yield chatbot, history, status_text, all_token_counts
|
| 380 |
-
|
| 381 |
-
|
| 382 |
-
def retry(
|
| 383 |
-
openai_api_key,
|
| 384 |
-
system_prompt,
|
| 385 |
-
history,
|
| 386 |
-
chatbot,
|
| 387 |
-
token_count,
|
| 388 |
-
top_p,
|
| 389 |
-
temperature,
|
| 390 |
-
stream=False,
|
| 391 |
-
selected_model=MODELS[0],
|
| 392 |
-
):
|
| 393 |
-
logging.info("重试中……")
|
| 394 |
-
if len(history) == 0:
|
| 395 |
-
yield chatbot, history, f"{standard_error_msg}上下文是空的", token_count
|
| 396 |
-
return
|
| 397 |
-
history.pop()
|
| 398 |
-
inputs = history.pop()["content"]
|
| 399 |
-
token_count.pop()
|
| 400 |
-
iter = predict(
|
| 401 |
-
openai_api_key,
|
| 402 |
-
system_prompt,
|
| 403 |
-
history,
|
| 404 |
-
inputs,
|
| 405 |
-
chatbot,
|
| 406 |
-
token_count,
|
| 407 |
-
top_p,
|
| 408 |
-
temperature,
|
| 409 |
-
stream=stream,
|
| 410 |
-
selected_model=selected_model,
|
| 411 |
-
)
|
| 412 |
-
logging.info("重试中……")
|
| 413 |
-
for x in iter:
|
| 414 |
-
yield x
|
| 415 |
-
logging.info("重试完毕")
|
| 416 |
-
|
| 417 |
-
|
| 418 |
-
def reduce_token_size(
|
| 419 |
-
openai_api_key,
|
| 420 |
-
system_prompt,
|
| 421 |
-
history,
|
| 422 |
-
chatbot,
|
| 423 |
-
token_count,
|
| 424 |
-
top_p,
|
| 425 |
-
temperature,
|
| 426 |
-
max_token_count,
|
| 427 |
-
selected_model=MODELS[0],
|
| 428 |
-
):
|
| 429 |
-
logging.info("开始减少token数量……")
|
| 430 |
-
iter = predict(
|
| 431 |
-
openai_api_key,
|
| 432 |
-
system_prompt,
|
| 433 |
-
history,
|
| 434 |
-
summarize_prompt,
|
| 435 |
-
chatbot,
|
| 436 |
-
token_count,
|
| 437 |
-
top_p,
|
| 438 |
-
temperature,
|
| 439 |
-
selected_model=selected_model,
|
| 440 |
-
should_check_token_count=False,
|
| 441 |
-
)
|
| 442 |
-
logging.info(f"chatbot: {chatbot}")
|
| 443 |
-
flag = False
|
| 444 |
-
for chatbot, history, status_text, previous_token_count in iter:
|
| 445 |
-
num_chat = find_n(previous_token_count, max_token_count)
|
| 446 |
-
if flag:
|
| 447 |
-
chatbot = chatbot[:-1]
|
| 448 |
-
flag = True
|
| 449 |
-
history = history[-2*num_chat:] if num_chat > 0 else []
|
| 450 |
-
token_count = previous_token_count[-num_chat:] if num_chat > 0 else []
|
| 451 |
-
msg = f"保留了最近{num_chat}轮对话"
|
| 452 |
-
yield chatbot, history, msg + "," + construct_token_message(
|
| 453 |
-
sum(token_count) if len(token_count) > 0 else 0,
|
| 454 |
-
), token_count
|
| 455 |
-
logging.info(msg)
|
| 456 |
-
logging.info("减少token数量完毕")
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|