历史文章附件列表/（数据科学学习手札135）tenacity：Python中最强大的错误重试库/（数据科学学习手札135）tenacity：Python中最强大的错误重试库.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "20ef00fd-1d04-4c47-939d-41fa0f596aa3",
   "metadata": {},
   "source": [
    "# 2 tenacity中的常用功能"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "6ac71a9d-539b-4128-a654-e2bda6030207",
   "metadata": {},
   "source": [
    "## 2.1 tenacity的基础使用"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "id": "d002e41d-f58b-47b0-a68c-3518d4858eaf",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "0.554196440452871\n",
      "0.37515644100597656\n",
      "0.3911017511444177\n",
      "0.7335292512239636\n",
      "0.982713130197331\n",
      "0.3973483360857295\n",
      "0.12474681174071822\n",
      "0.12057332993706815\n",
      "0.39418215514006516\n",
      "0.3191062193175437\n",
      "0.11929202864244703\n",
      "0.01649115465649542\n"
     ]
    }
   ],
   "source": [
    "import random\n",
    "from tenacity import retry\n",
    "\n",
    "@retry\n",
    "def demo_func1():\n",
    "\n",
    "    a = random.random()\n",
    "    print(a)\n",
    "    \n",
    "    if a >= 0.1:\n",
    "        raise Exception\n",
    "\n",
    "demo_func1()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "a98760d0-4975-4640-b5eb-29bb70fbd82f",
   "metadata": {},
   "source": [
    "## 2.2 设置最大重试次数"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 35,
   "id": "8a5b70ba-5efa-48c3-94e6-6541e520ebfb",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "函数执行\n",
      "函数执行\n",
      "函数执行\n"
     ]
    },
    {
     "ename": "RetryError",
     "evalue": "RetryError[<Future at 0x1a9b054b220 state=finished raised Exception>]",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mException\u001b[0m                                 Traceback (most recent call last)",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:407\u001b[0m, in \u001b[0;36mRetrying.__call__\u001b[1;34m(self, fn, *args, **kwargs)\u001b[0m\n\u001b[0;32m    406\u001b[0m \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[1;32m--> 407\u001b[0m     result \u001b[38;5;241m=\u001b[39m \u001b[43mfn\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43margs\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkwargs\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    408\u001b[0m \u001b[38;5;28;01mexcept\u001b[39;00m \u001b[38;5;167;01mBaseException\u001b[39;00m:  \u001b[38;5;66;03m# noqa: B902\u001b[39;00m\n",
      "Input \u001b[1;32mIn [35]\u001b[0m, in \u001b[0;36mdemo_func2\u001b[1;34m()\u001b[0m\n\u001b[0;32m      6\u001b[0m \u001b[38;5;28mprint\u001b[39m(\u001b[38;5;124m'\u001b[39m\u001b[38;5;124m函数执行\u001b[39m\u001b[38;5;124m'\u001b[39m)\n\u001b[1;32m----> 8\u001b[0m \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mException\u001b[39;00m\n",
      "\u001b[1;31mException\u001b[0m: ",
      "\nThe above exception was the direct cause of the following exception:\n",
      "\u001b[1;31mRetryError\u001b[0m                                Traceback (most recent call last)",
      "Input \u001b[1;32mIn [35]\u001b[0m, in \u001b[0;36m<cell line: 10>\u001b[1;34m()\u001b[0m\n\u001b[0;32m      6\u001b[0m     \u001b[38;5;28mprint\u001b[39m(\u001b[38;5;124m'\u001b[39m\u001b[38;5;124m函数执行\u001b[39m\u001b[38;5;124m'\u001b[39m)\n\u001b[0;32m      8\u001b[0m     \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mException\u001b[39;00m\n\u001b[1;32m---> 10\u001b[0m \u001b[43mdemo_func2\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:324\u001b[0m, in \u001b[0;36mBaseRetrying.wraps.<locals>.wrapped_f\u001b[1;34m(*args, **kw)\u001b[0m\n\u001b[0;32m    322\u001b[0m \u001b[38;5;129m@functools\u001b[39m\u001b[38;5;241m.\u001b[39mwraps(f)\n\u001b[0;32m    323\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mwrapped_f\u001b[39m(\u001b[38;5;241m*\u001b[39margs: t\u001b[38;5;241m.\u001b[39mAny, \u001b[38;5;241m*\u001b[39m\u001b[38;5;241m*\u001b[39mkw: t\u001b[38;5;241m.\u001b[39mAny) \u001b[38;5;241m-\u001b[39m\u001b[38;5;241m>\u001b[39m t\u001b[38;5;241m.\u001b[39mAny:\n\u001b[1;32m--> 324\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28;43mself\u001b[39;49m\u001b[43m(\u001b[49m\u001b[43mf\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43margs\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkw\u001b[49m\u001b[43m)\u001b[49m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:404\u001b[0m, in \u001b[0;36mRetrying.__call__\u001b[1;34m(self, fn, *args, **kwargs)\u001b[0m\n\u001b[0;32m    402\u001b[0m retry_state \u001b[38;5;241m=\u001b[39m RetryCallState(retry_object\u001b[38;5;241m=\u001b[39m\u001b[38;5;28mself\u001b[39m, fn\u001b[38;5;241m=\u001b[39mfn, args\u001b[38;5;241m=\u001b[39margs, kwargs\u001b[38;5;241m=\u001b[39mkwargs)\n\u001b[0;32m    403\u001b[0m \u001b[38;5;28;01mwhile\u001b[39;00m \u001b[38;5;28;01mTrue\u001b[39;00m:\n\u001b[1;32m--> 404\u001b[0m     do \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43miter\u001b[49m\u001b[43m(\u001b[49m\u001b[43mretry_state\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mretry_state\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    405\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28misinstance\u001b[39m(do, DoAttempt):\n\u001b[0;32m    406\u001b[0m         \u001b[38;5;28;01mtry\u001b[39;00m:\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:361\u001b[0m, in \u001b[0;36mBaseRetrying.iter\u001b[1;34m(self, retry_state)\u001b[0m\n\u001b[0;32m    359\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mreraise:\n\u001b[0;32m    360\u001b[0m         \u001b[38;5;28;01mraise\u001b[39;00m retry_exc\u001b[38;5;241m.\u001b[39mreraise()\n\u001b[1;32m--> 361\u001b[0m     \u001b[38;5;28;01mraise\u001b[39;00m retry_exc \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mfut\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01mexception\u001b[39;00m()\n\u001b[0;32m    363\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mwait:\n\u001b[0;32m    364\u001b[0m     sleep \u001b[38;5;241m=\u001b[39m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mwait(retry_state\u001b[38;5;241m=\u001b[39mretry_state)\n",
      "\u001b[1;31mRetryError\u001b[0m: RetryError[<Future at 0x1a9b054b220 state=finished raised Exception>]"
     ]
    }
   ],
   "source": [
    "from tenacity import retry, stop_after_attempt\n",
    "\n",
    "@retry(stop=stop_after_attempt(3))\n",
    "def demo_func2():\n",
    "    \n",
    "    print('函数执行')\n",
    "    \n",
    "    raise Exception\n",
    "    \n",
    "demo_func2()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "2edf78cb-77fc-4f04-89d8-5b3f5ee7550d",
   "metadata": {},
   "source": [
    "## 2.3 设置重试最大超时时长"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 39,
   "id": "ca9f605c-6ddb-4272-ad16-1b53a2dc2a77",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "已过去 1.0141007900238037 秒\n",
      "已过去 2.026146173477173 秒\n",
      "已过去 3.033085346221924 秒\n",
      "已过去 4.042022466659546 秒\n",
      "已过去 5.050917148590088 秒\n"
     ]
    },
    {
     "ename": "RetryError",
     "evalue": "RetryError[<Future at 0x1a9b0852730 state=finished raised Exception>]",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mException\u001b[0m                                 Traceback (most recent call last)",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:407\u001b[0m, in \u001b[0;36mRetrying.__call__\u001b[1;34m(self, fn, *args, **kwargs)\u001b[0m\n\u001b[0;32m    406\u001b[0m \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[1;32m--> 407\u001b[0m     result \u001b[38;5;241m=\u001b[39m \u001b[43mfn\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43margs\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkwargs\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    408\u001b[0m \u001b[38;5;28;01mexcept\u001b[39;00m \u001b[38;5;167;01mBaseException\u001b[39;00m:  \u001b[38;5;66;03m# noqa: B902\u001b[39;00m\n",
      "Input \u001b[1;32mIn [39]\u001b[0m, in \u001b[0;36mdemo_func3\u001b[1;34m()\u001b[0m\n\u001b[0;32m      9\u001b[0m \u001b[38;5;28mprint\u001b[39m(\u001b[38;5;124mf\u001b[39m\u001b[38;5;124m'\u001b[39m\u001b[38;5;124m已过去 \u001b[39m\u001b[38;5;132;01m{\u001b[39;00mtime\u001b[38;5;241m.\u001b[39mtime() \u001b[38;5;241m-\u001b[39m start_time\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m 秒\u001b[39m\u001b[38;5;124m'\u001b[39m)\n\u001b[1;32m---> 11\u001b[0m \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mException\u001b[39;00m\n",
      "\u001b[1;31mException\u001b[0m: ",
      "\nThe above exception was the direct cause of the following exception:\n",
      "\u001b[1;31mRetryError\u001b[0m                                Traceback (most recent call last)",
      "Input \u001b[1;32mIn [39]\u001b[0m, in \u001b[0;36m<cell line: 15>\u001b[1;34m()\u001b[0m\n\u001b[0;32m     13\u001b[0m \u001b[38;5;66;03m# 记录开始时间\u001b[39;00m\n\u001b[0;32m     14\u001b[0m start_time \u001b[38;5;241m=\u001b[39m time\u001b[38;5;241m.\u001b[39mtime()\n\u001b[1;32m---> 15\u001b[0m \u001b[43mdemo_func3\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:324\u001b[0m, in \u001b[0;36mBaseRetrying.wraps.<locals>.wrapped_f\u001b[1;34m(*args, **kw)\u001b[0m\n\u001b[0;32m    322\u001b[0m \u001b[38;5;129m@functools\u001b[39m\u001b[38;5;241m.\u001b[39mwraps(f)\n\u001b[0;32m    323\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mwrapped_f\u001b[39m(\u001b[38;5;241m*\u001b[39margs: t\u001b[38;5;241m.\u001b[39mAny, \u001b[38;5;241m*\u001b[39m\u001b[38;5;241m*\u001b[39mkw: t\u001b[38;5;241m.\u001b[39mAny) \u001b[38;5;241m-\u001b[39m\u001b[38;5;241m>\u001b[39m t\u001b[38;5;241m.\u001b[39mAny:\n\u001b[1;32m--> 324\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28;43mself\u001b[39;49m\u001b[43m(\u001b[49m\u001b[43mf\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43margs\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkw\u001b[49m\u001b[43m)\u001b[49m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:404\u001b[0m, in \u001b[0;36mRetrying.__call__\u001b[1;34m(self, fn, *args, **kwargs)\u001b[0m\n\u001b[0;32m    402\u001b[0m retry_state \u001b[38;5;241m=\u001b[39m RetryCallState(retry_object\u001b[38;5;241m=\u001b[39m\u001b[38;5;28mself\u001b[39m, fn\u001b[38;5;241m=\u001b[39mfn, args\u001b[38;5;241m=\u001b[39margs, kwargs\u001b[38;5;241m=\u001b[39mkwargs)\n\u001b[0;32m    403\u001b[0m \u001b[38;5;28;01mwhile\u001b[39;00m \u001b[38;5;28;01mTrue\u001b[39;00m:\n\u001b[1;32m--> 404\u001b[0m     do \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43miter\u001b[49m\u001b[43m(\u001b[49m\u001b[43mretry_state\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mretry_state\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    405\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28misinstance\u001b[39m(do, DoAttempt):\n\u001b[0;32m    406\u001b[0m         \u001b[38;5;28;01mtry\u001b[39;00m:\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:361\u001b[0m, in \u001b[0;36mBaseRetrying.iter\u001b[1;34m(self, retry_state)\u001b[0m\n\u001b[0;32m    359\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mreraise:\n\u001b[0;32m    360\u001b[0m         \u001b[38;5;28;01mraise\u001b[39;00m retry_exc\u001b[38;5;241m.\u001b[39mreraise()\n\u001b[1;32m--> 361\u001b[0m     \u001b[38;5;28;01mraise\u001b[39;00m retry_exc \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mfut\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01mexception\u001b[39;00m()\n\u001b[0;32m    363\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mwait:\n\u001b[0;32m    364\u001b[0m     sleep \u001b[38;5;241m=\u001b[39m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mwait(retry_state\u001b[38;5;241m=\u001b[39mretry_state)\n",
      "\u001b[1;31mRetryError\u001b[0m: RetryError[<Future at 0x1a9b0852730 state=finished raised Exception>]"
     ]
    }
   ],
   "source": [
    "import time\n",
    "from tenacity import retry, stop_after_delay\n",
    "\n",
    "# 设置重试最大超时时长为5秒\n",
    "@retry(stop=stop_after_delay(5))\n",
    "def demo_func3():\n",
    "    \n",
    "    time.sleep(1)\n",
    "    print(f'已过去 {time.time() - start_time} 秒')\n",
    "    \n",
    "    raise Exception\n",
    "\n",
    "# 记录开始时间\n",
    "start_time = time.time()\n",
    "demo_func3()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "bb694990-4ba6-4c19-95e3-5ae559ab9183",
   "metadata": {},
   "source": [
    "## 2.4 组合重试停止条件"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 42,
   "id": "22abf738-0ee3-478a-bdfb-170aa88f2038",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "已过去 0.15338873863220215 秒\n",
      "已过去 0.5147004127502441 秒\n",
      "已过去 1.464496374130249 秒\n",
      "已过去 1.6237852573394775 秒\n",
      "已过去 1.8902502059936523 秒\n"
     ]
    },
    {
     "ename": "RetryError",
     "evalue": "RetryError[<Future at 0x1a9ae80bfd0 state=finished raised Exception>]",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mException\u001b[0m                                 Traceback (most recent call last)",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:407\u001b[0m, in \u001b[0;36mRetrying.__call__\u001b[1;34m(self, fn, *args, **kwargs)\u001b[0m\n\u001b[0;32m    406\u001b[0m \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[1;32m--> 407\u001b[0m     result \u001b[38;5;241m=\u001b[39m \u001b[43mfn\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43margs\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkwargs\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    408\u001b[0m \u001b[38;5;28;01mexcept\u001b[39;00m \u001b[38;5;167;01mBaseException\u001b[39;00m:  \u001b[38;5;66;03m# noqa: B902\u001b[39;00m\n",
      "Input \u001b[1;32mIn [42]\u001b[0m, in \u001b[0;36mdemo_func4\u001b[1;34m()\u001b[0m\n\u001b[0;32m      9\u001b[0m \u001b[38;5;28mprint\u001b[39m(\u001b[38;5;124mf\u001b[39m\u001b[38;5;124m'\u001b[39m\u001b[38;5;124m已过去 \u001b[39m\u001b[38;5;132;01m{\u001b[39;00mtime\u001b[38;5;241m.\u001b[39mtime() \u001b[38;5;241m-\u001b[39m start_time\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m 秒\u001b[39m\u001b[38;5;124m'\u001b[39m)\n\u001b[1;32m---> 11\u001b[0m \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mException\u001b[39;00m\n",
      "\u001b[1;31mException\u001b[0m: ",
      "\nThe above exception was the direct cause of the following exception:\n",
      "\u001b[1;31mRetryError\u001b[0m                                Traceback (most recent call last)",
      "Input \u001b[1;32mIn [42]\u001b[0m, in \u001b[0;36m<cell line: 15>\u001b[1;34m()\u001b[0m\n\u001b[0;32m     13\u001b[0m \u001b[38;5;66;03m# 记录开始时间\u001b[39;00m\n\u001b[0;32m     14\u001b[0m start_time \u001b[38;5;241m=\u001b[39m time\u001b[38;5;241m.\u001b[39mtime()\n\u001b[1;32m---> 15\u001b[0m \u001b[43mdemo_func4\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:324\u001b[0m, in \u001b[0;36mBaseRetrying.wraps.<locals>.wrapped_f\u001b[1;34m(*args, **kw)\u001b[0m\n\u001b[0;32m    322\u001b[0m \u001b[38;5;129m@functools\u001b[39m\u001b[38;5;241m.\u001b[39mwraps(f)\n\u001b[0;32m    323\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mwrapped_f\u001b[39m(\u001b[38;5;241m*\u001b[39margs: t\u001b[38;5;241m.\u001b[39mAny, \u001b[38;5;241m*\u001b[39m\u001b[38;5;241m*\u001b[39mkw: t\u001b[38;5;241m.\u001b[39mAny) \u001b[38;5;241m-\u001b[39m\u001b[38;5;241m>\u001b[39m t\u001b[38;5;241m.\u001b[39mAny:\n\u001b[1;32m--> 324\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28;43mself\u001b[39;49m\u001b[43m(\u001b[49m\u001b[43mf\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43margs\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkw\u001b[49m\u001b[43m)\u001b[49m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:404\u001b[0m, in \u001b[0;36mRetrying.__call__\u001b[1;34m(self, fn, *args, **kwargs)\u001b[0m\n\u001b[0;32m    402\u001b[0m retry_state \u001b[38;5;241m=\u001b[39m RetryCallState(retry_object\u001b[38;5;241m=\u001b[39m\u001b[38;5;28mself\u001b[39m, fn\u001b[38;5;241m=\u001b[39mfn, args\u001b[38;5;241m=\u001b[39margs, kwargs\u001b[38;5;241m=\u001b[39mkwargs)\n\u001b[0;32m    403\u001b[0m \u001b[38;5;28;01mwhile\u001b[39;00m \u001b[38;5;28;01mTrue\u001b[39;00m:\n\u001b[1;32m--> 404\u001b[0m     do \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43miter\u001b[49m\u001b[43m(\u001b[49m\u001b[43mretry_state\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mretry_state\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    405\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28misinstance\u001b[39m(do, DoAttempt):\n\u001b[0;32m    406\u001b[0m         \u001b[38;5;28;01mtry\u001b[39;00m:\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:361\u001b[0m, in \u001b[0;36mBaseRetrying.iter\u001b[1;34m(self, retry_state)\u001b[0m\n\u001b[0;32m    359\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mreraise:\n\u001b[0;32m    360\u001b[0m         \u001b[38;5;28;01mraise\u001b[39;00m retry_exc\u001b[38;5;241m.\u001b[39mreraise()\n\u001b[1;32m--> 361\u001b[0m     \u001b[38;5;28;01mraise\u001b[39;00m retry_exc \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mfut\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01mexception\u001b[39;00m()\n\u001b[0;32m    363\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mwait:\n\u001b[0;32m    364\u001b[0m     sleep \u001b[38;5;241m=\u001b[39m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mwait(retry_state\u001b[38;5;241m=\u001b[39mretry_state)\n",
      "\u001b[1;31mRetryError\u001b[0m: RetryError[<Future at 0x1a9ae80bfd0 state=finished raised Exception>]"
     ]
    }
   ],
   "source": [
    "import time\n",
    "import random\n",
    "from tenacity import retry, stop_after_delay, stop_after_attempt\n",
    "\n",
    "@retry(stop=(stop_after_delay(3) | stop_after_attempt(5)))\n",
    "def demo_func4():\n",
    "    \n",
    "    time.sleep(random.random())\n",
    "    print(f'已过去 {time.time() - start_time} 秒')\n",
    "    \n",
    "    raise Exception\n",
    "\n",
    "# 记录开始时间\n",
    "start_time = time.time()\n",
    "demo_func4()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "c3d45312-bfa0-4bfb-b41c-496d79e70a34",
   "metadata": {},
   "source": [
    "## 2.5 设置相邻重试之间的时间间隔"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "1a4a567c-b67f-4a12-b5f9-8c251797d05c",
   "metadata": {},
   "source": [
    "### 2.5.1 设置固定时间间隔"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 45,
   "id": "1674ae52-e5bc-4103-88cd-b89af6d92da3",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "已过去 0.0 秒\n",
      "已过去 1.0010271072387695 秒\n",
      "已过去 2.011207342147827 秒\n"
     ]
    },
    {
     "ename": "RetryError",
     "evalue": "RetryError[<Future at 0x1a9b0b3a220 state=finished raised Exception>]",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mException\u001b[0m                                 Traceback (most recent call last)",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:407\u001b[0m, in \u001b[0;36mRetrying.__call__\u001b[1;34m(self, fn, *args, **kwargs)\u001b[0m\n\u001b[0;32m    406\u001b[0m \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[1;32m--> 407\u001b[0m     result \u001b[38;5;241m=\u001b[39m \u001b[43mfn\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43margs\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkwargs\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    408\u001b[0m \u001b[38;5;28;01mexcept\u001b[39;00m \u001b[38;5;167;01mBaseException\u001b[39;00m:  \u001b[38;5;66;03m# noqa: B902\u001b[39;00m\n",
      "Input \u001b[1;32mIn [45]\u001b[0m, in \u001b[0;36mdemo_func5\u001b[1;34m()\u001b[0m\n\u001b[0;32m      8\u001b[0m \u001b[38;5;28mprint\u001b[39m(\u001b[38;5;124mf\u001b[39m\u001b[38;5;124m'\u001b[39m\u001b[38;5;124m已过去 \u001b[39m\u001b[38;5;132;01m{\u001b[39;00mtime\u001b[38;5;241m.\u001b[39mtime() \u001b[38;5;241m-\u001b[39m start_time\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m 秒\u001b[39m\u001b[38;5;124m'\u001b[39m)\n\u001b[1;32m---> 10\u001b[0m \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mException\u001b[39;00m\n",
      "\u001b[1;31mException\u001b[0m: ",
      "\nThe above exception was the direct cause of the following exception:\n",
      "\u001b[1;31mRetryError\u001b[0m                                Traceback (most recent call last)",
      "Input \u001b[1;32mIn [45]\u001b[0m, in \u001b[0;36m<cell line: 14>\u001b[1;34m()\u001b[0m\n\u001b[0;32m     12\u001b[0m \u001b[38;5;66;03m# 记录开始时间\u001b[39;00m\n\u001b[0;32m     13\u001b[0m start_time \u001b[38;5;241m=\u001b[39m time\u001b[38;5;241m.\u001b[39mtime()\n\u001b[1;32m---> 14\u001b[0m \u001b[43mdemo_func5\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:324\u001b[0m, in \u001b[0;36mBaseRetrying.wraps.<locals>.wrapped_f\u001b[1;34m(*args, **kw)\u001b[0m\n\u001b[0;32m    322\u001b[0m \u001b[38;5;129m@functools\u001b[39m\u001b[38;5;241m.\u001b[39mwraps(f)\n\u001b[0;32m    323\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mwrapped_f\u001b[39m(\u001b[38;5;241m*\u001b[39margs: t\u001b[38;5;241m.\u001b[39mAny, \u001b[38;5;241m*\u001b[39m\u001b[38;5;241m*\u001b[39mkw: t\u001b[38;5;241m.\u001b[39mAny) \u001b[38;5;241m-\u001b[39m\u001b[38;5;241m>\u001b[39m t\u001b[38;5;241m.\u001b[39mAny:\n\u001b[1;32m--> 324\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28;43mself\u001b[39;49m\u001b[43m(\u001b[49m\u001b[43mf\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43margs\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkw\u001b[49m\u001b[43m)\u001b[49m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:404\u001b[0m, in \u001b[0;36mRetrying.__call__\u001b[1;34m(self, fn, *args, **kwargs)\u001b[0m\n\u001b[0;32m    402\u001b[0m retry_state \u001b[38;5;241m=\u001b[39m RetryCallState(retry_object\u001b[38;5;241m=\u001b[39m\u001b[38;5;28mself\u001b[39m, fn\u001b[38;5;241m=\u001b[39mfn, args\u001b[38;5;241m=\u001b[39margs, kwargs\u001b[38;5;241m=\u001b[39mkwargs)\n\u001b[0;32m    403\u001b[0m \u001b[38;5;28;01mwhile\u001b[39;00m \u001b[38;5;28;01mTrue\u001b[39;00m:\n\u001b[1;32m--> 404\u001b[0m     do \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43miter\u001b[49m\u001b[43m(\u001b[49m\u001b[43mretry_state\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mretry_state\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    405\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28misinstance\u001b[39m(do, DoAttempt):\n\u001b[0;32m    406\u001b[0m         \u001b[38;5;28;01mtry\u001b[39;00m:\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:361\u001b[0m, in \u001b[0;36mBaseRetrying.iter\u001b[1;34m(self, retry_state)\u001b[0m\n\u001b[0;32m    359\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mreraise:\n\u001b[0;32m    360\u001b[0m         \u001b[38;5;28;01mraise\u001b[39;00m retry_exc\u001b[38;5;241m.\u001b[39mreraise()\n\u001b[1;32m--> 361\u001b[0m     \u001b[38;5;28;01mraise\u001b[39;00m retry_exc \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mfut\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01mexception\u001b[39;00m()\n\u001b[0;32m    363\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mwait:\n\u001b[0;32m    364\u001b[0m     sleep \u001b[38;5;241m=\u001b[39m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mwait(retry_state\u001b[38;5;241m=\u001b[39mretry_state)\n",
      "\u001b[1;31mRetryError\u001b[0m: RetryError[<Future at 0x1a9b0b3a220 state=finished raised Exception>]"
     ]
    }
   ],
   "source": [
    "import time\n",
    "from tenacity import retry, wait_fixed, stop_after_attempt\n",
    "\n",
    "# 设置重试等待间隔为1秒\n",
    "@retry(wait=wait_fixed(1), stop=stop_after_attempt(3))\n",
    "def demo_func5():\n",
    "    \n",
    "    print(f'已过去 {time.time() - start_time} 秒')\n",
    "    \n",
    "    raise Exception\n",
    "    \n",
    "# 记录开始时间\n",
    "start_time = time.time()\n",
    "demo_func5()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "ecbda03d-40f2-45e3-a773-beb7e9899bc9",
   "metadata": {},
   "source": [
    "### 2.5.2 设置随机时间间隔"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 48,
   "id": "05647edd-7250-424c-ada1-2c0c7e1d8575",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "已过去 0.0 秒\n",
      "已过去 2.488474130630493 秒\n",
      "已过去 4.293655872344971 秒\n",
      "已过去 7.003846645355225 秒\n",
      "已过去 9.442596435546875 秒\n"
     ]
    },
    {
     "ename": "RetryError",
     "evalue": "RetryError[<Future at 0x1a9b0b9ac40 state=finished raised Exception>]",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mException\u001b[0m                                 Traceback (most recent call last)",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:407\u001b[0m, in \u001b[0;36mRetrying.__call__\u001b[1;34m(self, fn, *args, **kwargs)\u001b[0m\n\u001b[0;32m    406\u001b[0m \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[1;32m--> 407\u001b[0m     result \u001b[38;5;241m=\u001b[39m \u001b[43mfn\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43margs\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkwargs\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    408\u001b[0m \u001b[38;5;28;01mexcept\u001b[39;00m \u001b[38;5;167;01mBaseException\u001b[39;00m:  \u001b[38;5;66;03m# noqa: B902\u001b[39;00m\n",
      "Input \u001b[1;32mIn [48]\u001b[0m, in \u001b[0;36mdemo_func6\u001b[1;34m()\u001b[0m\n\u001b[0;32m      8\u001b[0m \u001b[38;5;28mprint\u001b[39m(\u001b[38;5;124mf\u001b[39m\u001b[38;5;124m'\u001b[39m\u001b[38;5;124m已过去 \u001b[39m\u001b[38;5;132;01m{\u001b[39;00mtime\u001b[38;5;241m.\u001b[39mtime() \u001b[38;5;241m-\u001b[39m start_time\u001b[38;5;132;01m}\u001b[39;00m\u001b[38;5;124m 秒\u001b[39m\u001b[38;5;124m'\u001b[39m)\n\u001b[1;32m---> 10\u001b[0m \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mException\u001b[39;00m\n",
      "\u001b[1;31mException\u001b[0m: ",
      "\nThe above exception was the direct cause of the following exception:\n",
      "\u001b[1;31mRetryError\u001b[0m                                Traceback (most recent call last)",
      "Input \u001b[1;32mIn [48]\u001b[0m, in \u001b[0;36m<cell line: 14>\u001b[1;34m()\u001b[0m\n\u001b[0;32m     12\u001b[0m \u001b[38;5;66;03m# 记录开始时间\u001b[39;00m\n\u001b[0;32m     13\u001b[0m start_time \u001b[38;5;241m=\u001b[39m time\u001b[38;5;241m.\u001b[39mtime()\n\u001b[1;32m---> 14\u001b[0m \u001b[43mdemo_func6\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:324\u001b[0m, in \u001b[0;36mBaseRetrying.wraps.<locals>.wrapped_f\u001b[1;34m(*args, **kw)\u001b[0m\n\u001b[0;32m    322\u001b[0m \u001b[38;5;129m@functools\u001b[39m\u001b[38;5;241m.\u001b[39mwraps(f)\n\u001b[0;32m    323\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mwrapped_f\u001b[39m(\u001b[38;5;241m*\u001b[39margs: t\u001b[38;5;241m.\u001b[39mAny, \u001b[38;5;241m*\u001b[39m\u001b[38;5;241m*\u001b[39mkw: t\u001b[38;5;241m.\u001b[39mAny) \u001b[38;5;241m-\u001b[39m\u001b[38;5;241m>\u001b[39m t\u001b[38;5;241m.\u001b[39mAny:\n\u001b[1;32m--> 324\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28;43mself\u001b[39;49m\u001b[43m(\u001b[49m\u001b[43mf\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43margs\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkw\u001b[49m\u001b[43m)\u001b[49m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:404\u001b[0m, in \u001b[0;36mRetrying.__call__\u001b[1;34m(self, fn, *args, **kwargs)\u001b[0m\n\u001b[0;32m    402\u001b[0m retry_state \u001b[38;5;241m=\u001b[39m RetryCallState(retry_object\u001b[38;5;241m=\u001b[39m\u001b[38;5;28mself\u001b[39m, fn\u001b[38;5;241m=\u001b[39mfn, args\u001b[38;5;241m=\u001b[39margs, kwargs\u001b[38;5;241m=\u001b[39mkwargs)\n\u001b[0;32m    403\u001b[0m \u001b[38;5;28;01mwhile\u001b[39;00m \u001b[38;5;28;01mTrue\u001b[39;00m:\n\u001b[1;32m--> 404\u001b[0m     do \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43miter\u001b[49m\u001b[43m(\u001b[49m\u001b[43mretry_state\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mretry_state\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    405\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28misinstance\u001b[39m(do, DoAttempt):\n\u001b[0;32m    406\u001b[0m         \u001b[38;5;28;01mtry\u001b[39;00m:\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:361\u001b[0m, in \u001b[0;36mBaseRetrying.iter\u001b[1;34m(self, retry_state)\u001b[0m\n\u001b[0;32m    359\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mreraise:\n\u001b[0;32m    360\u001b[0m         \u001b[38;5;28;01mraise\u001b[39;00m retry_exc\u001b[38;5;241m.\u001b[39mreraise()\n\u001b[1;32m--> 361\u001b[0m     \u001b[38;5;28;01mraise\u001b[39;00m retry_exc \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mfut\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01mexception\u001b[39;00m()\n\u001b[0;32m    363\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mwait:\n\u001b[0;32m    364\u001b[0m     sleep \u001b[38;5;241m=\u001b[39m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mwait(retry_state\u001b[38;5;241m=\u001b[39mretry_state)\n",
      "\u001b[1;31mRetryError\u001b[0m: RetryError[<Future at 0x1a9b0b9ac40 state=finished raised Exception>]"
     ]
    }
   ],
   "source": [
    "import time\n",
    "from tenacity import retry, wait_random, stop_after_attempt\n",
    "\n",
    "# 设置重试等待间隔为1到3之间的随机数\n",
    "@retry(wait=wait_random(min=1, max=3), stop=stop_after_attempt(5))\n",
    "def demo_func6():\n",
    "    \n",
    "    print(f'已过去 {time.time() - start_time} 秒')\n",
    "    \n",
    "    raise Exception\n",
    "\n",
    "# 记录开始时间\n",
    "start_time = time.time()\n",
    "demo_func6()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "3c5f4770-ef2e-44ea-af5d-4040f6642a07",
   "metadata": {},
   "source": [
    "## 2.6 自定义是否触发重试"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "8427938d-c4d4-4482-befa-89b56dd3402f",
   "metadata": {},
   "source": [
    "### 2.6.1 捕捉或忽略特定的错误类型"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 66,
   "id": "34073326-6de4-4973-9476-7346ae477b03",
   "metadata": {},
   "outputs": [],
   "source": [
    "from tenacity import retry, retry_if_exception_type, retry_if_not_exception_type\n",
    "\n",
    "@retry(retry=retry_if_exception_type(FileExistsError))\n",
    "def demo_func7():\n",
    "    \n",
    "    raise TimeoutError\n",
    "    \n",
    "@retry(retry=retry_if_not_exception_type(FileNotFoundError))\n",
    "def demo_func8():\n",
    "\n",
    "    raise FileNotFoundError"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 67,
   "id": "7d75281a-4af4-4ca0-b2e5-580d6b4a6161",
   "metadata": {},
   "outputs": [
    {
     "ename": "TimeoutError",
     "evalue": "",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mTimeoutError\u001b[0m                              Traceback (most recent call last)",
      "Input \u001b[1;32mIn [67]\u001b[0m, in \u001b[0;36m<cell line: 1>\u001b[1;34m()\u001b[0m\n\u001b[1;32m----> 1\u001b[0m \u001b[43mdemo_func7\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:324\u001b[0m, in \u001b[0;36mBaseRetrying.wraps.<locals>.wrapped_f\u001b[1;34m(*args, **kw)\u001b[0m\n\u001b[0;32m    322\u001b[0m \u001b[38;5;129m@functools\u001b[39m\u001b[38;5;241m.\u001b[39mwraps(f)\n\u001b[0;32m    323\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mwrapped_f\u001b[39m(\u001b[38;5;241m*\u001b[39margs: t\u001b[38;5;241m.\u001b[39mAny, \u001b[38;5;241m*\u001b[39m\u001b[38;5;241m*\u001b[39mkw: t\u001b[38;5;241m.\u001b[39mAny) \u001b[38;5;241m-\u001b[39m\u001b[38;5;241m>\u001b[39m t\u001b[38;5;241m.\u001b[39mAny:\n\u001b[1;32m--> 324\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28;43mself\u001b[39;49m\u001b[43m(\u001b[49m\u001b[43mf\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43margs\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkw\u001b[49m\u001b[43m)\u001b[49m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:404\u001b[0m, in \u001b[0;36mRetrying.__call__\u001b[1;34m(self, fn, *args, **kwargs)\u001b[0m\n\u001b[0;32m    402\u001b[0m retry_state \u001b[38;5;241m=\u001b[39m RetryCallState(retry_object\u001b[38;5;241m=\u001b[39m\u001b[38;5;28mself\u001b[39m, fn\u001b[38;5;241m=\u001b[39mfn, args\u001b[38;5;241m=\u001b[39margs, kwargs\u001b[38;5;241m=\u001b[39mkwargs)\n\u001b[0;32m    403\u001b[0m \u001b[38;5;28;01mwhile\u001b[39;00m \u001b[38;5;28;01mTrue\u001b[39;00m:\n\u001b[1;32m--> 404\u001b[0m     do \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43miter\u001b[49m\u001b[43m(\u001b[49m\u001b[43mretry_state\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mretry_state\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    405\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28misinstance\u001b[39m(do, DoAttempt):\n\u001b[0;32m    406\u001b[0m         \u001b[38;5;28;01mtry\u001b[39;00m:\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:349\u001b[0m, in \u001b[0;36mBaseRetrying.iter\u001b[1;34m(self, retry_state)\u001b[0m\n\u001b[0;32m    347\u001b[0m is_explicit_retry \u001b[38;5;241m=\u001b[39m retry_state\u001b[38;5;241m.\u001b[39moutcome\u001b[38;5;241m.\u001b[39mfailed \u001b[38;5;129;01mand\u001b[39;00m \u001b[38;5;28misinstance\u001b[39m(retry_state\u001b[38;5;241m.\u001b[39moutcome\u001b[38;5;241m.\u001b[39mexception(), TryAgain)\n\u001b[0;32m    348\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;129;01mnot\u001b[39;00m (is_explicit_retry \u001b[38;5;129;01mor\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mretry(retry_state\u001b[38;5;241m=\u001b[39mretry_state)):\n\u001b[1;32m--> 349\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[43mfut\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mresult\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    351\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mafter \u001b[38;5;129;01mis\u001b[39;00m \u001b[38;5;129;01mnot\u001b[39;00m \u001b[38;5;28;01mNone\u001b[39;00m:\n\u001b[0;32m    352\u001b[0m     \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mafter(retry_state)\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\concurrent\\futures\\_base.py:437\u001b[0m, in \u001b[0;36mFuture.result\u001b[1;34m(self, timeout)\u001b[0m\n\u001b[0;32m    435\u001b[0m     \u001b[38;5;28;01mraise\u001b[39;00m CancelledError()\n\u001b[0;32m    436\u001b[0m \u001b[38;5;28;01melif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_state \u001b[38;5;241m==\u001b[39m FINISHED:\n\u001b[1;32m--> 437\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m__get_result\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    439\u001b[0m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_condition\u001b[38;5;241m.\u001b[39mwait(timeout)\n\u001b[0;32m    441\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_state \u001b[38;5;129;01min\u001b[39;00m [CANCELLED, CANCELLED_AND_NOTIFIED]:\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\concurrent\\futures\\_base.py:389\u001b[0m, in \u001b[0;36mFuture.__get_result\u001b[1;34m(self)\u001b[0m\n\u001b[0;32m    387\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_exception:\n\u001b[0;32m    388\u001b[0m     \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[1;32m--> 389\u001b[0m         \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_exception\n\u001b[0;32m    390\u001b[0m     \u001b[38;5;28;01mfinally\u001b[39;00m:\n\u001b[0;32m    391\u001b[0m         \u001b[38;5;66;03m# Break a reference cycle with the exception in self._exception\u001b[39;00m\n\u001b[0;32m    392\u001b[0m         \u001b[38;5;28mself\u001b[39m \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;01mNone\u001b[39;00m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:407\u001b[0m, in \u001b[0;36mRetrying.__call__\u001b[1;34m(self, fn, *args, **kwargs)\u001b[0m\n\u001b[0;32m    405\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28misinstance\u001b[39m(do, DoAttempt):\n\u001b[0;32m    406\u001b[0m     \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[1;32m--> 407\u001b[0m         result \u001b[38;5;241m=\u001b[39m \u001b[43mfn\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43margs\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkwargs\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    408\u001b[0m     \u001b[38;5;28;01mexcept\u001b[39;00m \u001b[38;5;167;01mBaseException\u001b[39;00m:  \u001b[38;5;66;03m# noqa: B902\u001b[39;00m\n\u001b[0;32m    409\u001b[0m         retry_state\u001b[38;5;241m.\u001b[39mset_exception(sys\u001b[38;5;241m.\u001b[39mexc_info())\n",
      "Input \u001b[1;32mIn [66]\u001b[0m, in \u001b[0;36mdemo_func7\u001b[1;34m()\u001b[0m\n\u001b[0;32m      3\u001b[0m \u001b[38;5;129m@retry\u001b[39m(retry\u001b[38;5;241m=\u001b[39mretry_if_exception_type(\u001b[38;5;167;01mFileExistsError\u001b[39;00m))\n\u001b[0;32m      4\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mdemo_func7\u001b[39m():\n\u001b[1;32m----> 6\u001b[0m     \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mTimeoutError\u001b[39;00m\n",
      "\u001b[1;31mTimeoutError\u001b[0m: "
     ]
    }
   ],
   "source": [
    "demo_func7()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 69,
   "id": "7e5da396-81df-4c82-ae44-fcc555ffc644",
   "metadata": {},
   "outputs": [
    {
     "ename": "FileNotFoundError",
     "evalue": "",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mFileNotFoundError\u001b[0m                         Traceback (most recent call last)",
      "Input \u001b[1;32mIn [69]\u001b[0m, in \u001b[0;36m<cell line: 1>\u001b[1;34m()\u001b[0m\n\u001b[1;32m----> 1\u001b[0m \u001b[43mdemo_func8\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:324\u001b[0m, in \u001b[0;36mBaseRetrying.wraps.<locals>.wrapped_f\u001b[1;34m(*args, **kw)\u001b[0m\n\u001b[0;32m    322\u001b[0m \u001b[38;5;129m@functools\u001b[39m\u001b[38;5;241m.\u001b[39mwraps(f)\n\u001b[0;32m    323\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mwrapped_f\u001b[39m(\u001b[38;5;241m*\u001b[39margs: t\u001b[38;5;241m.\u001b[39mAny, \u001b[38;5;241m*\u001b[39m\u001b[38;5;241m*\u001b[39mkw: t\u001b[38;5;241m.\u001b[39mAny) \u001b[38;5;241m-\u001b[39m\u001b[38;5;241m>\u001b[39m t\u001b[38;5;241m.\u001b[39mAny:\n\u001b[1;32m--> 324\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28;43mself\u001b[39;49m\u001b[43m(\u001b[49m\u001b[43mf\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43margs\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkw\u001b[49m\u001b[43m)\u001b[49m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:404\u001b[0m, in \u001b[0;36mRetrying.__call__\u001b[1;34m(self, fn, *args, **kwargs)\u001b[0m\n\u001b[0;32m    402\u001b[0m retry_state \u001b[38;5;241m=\u001b[39m RetryCallState(retry_object\u001b[38;5;241m=\u001b[39m\u001b[38;5;28mself\u001b[39m, fn\u001b[38;5;241m=\u001b[39mfn, args\u001b[38;5;241m=\u001b[39margs, kwargs\u001b[38;5;241m=\u001b[39mkwargs)\n\u001b[0;32m    403\u001b[0m \u001b[38;5;28;01mwhile\u001b[39;00m \u001b[38;5;28;01mTrue\u001b[39;00m:\n\u001b[1;32m--> 404\u001b[0m     do \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43miter\u001b[49m\u001b[43m(\u001b[49m\u001b[43mretry_state\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mretry_state\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    405\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28misinstance\u001b[39m(do, DoAttempt):\n\u001b[0;32m    406\u001b[0m         \u001b[38;5;28;01mtry\u001b[39;00m:\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:349\u001b[0m, in \u001b[0;36mBaseRetrying.iter\u001b[1;34m(self, retry_state)\u001b[0m\n\u001b[0;32m    347\u001b[0m is_explicit_retry \u001b[38;5;241m=\u001b[39m retry_state\u001b[38;5;241m.\u001b[39moutcome\u001b[38;5;241m.\u001b[39mfailed \u001b[38;5;129;01mand\u001b[39;00m \u001b[38;5;28misinstance\u001b[39m(retry_state\u001b[38;5;241m.\u001b[39moutcome\u001b[38;5;241m.\u001b[39mexception(), TryAgain)\n\u001b[0;32m    348\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;129;01mnot\u001b[39;00m (is_explicit_retry \u001b[38;5;129;01mor\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mretry(retry_state\u001b[38;5;241m=\u001b[39mretry_state)):\n\u001b[1;32m--> 349\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[43mfut\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mresult\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    351\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mafter \u001b[38;5;129;01mis\u001b[39;00m \u001b[38;5;129;01mnot\u001b[39;00m \u001b[38;5;28;01mNone\u001b[39;00m:\n\u001b[0;32m    352\u001b[0m     \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mafter(retry_state)\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\concurrent\\futures\\_base.py:437\u001b[0m, in \u001b[0;36mFuture.result\u001b[1;34m(self, timeout)\u001b[0m\n\u001b[0;32m    435\u001b[0m     \u001b[38;5;28;01mraise\u001b[39;00m CancelledError()\n\u001b[0;32m    436\u001b[0m \u001b[38;5;28;01melif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_state \u001b[38;5;241m==\u001b[39m FINISHED:\n\u001b[1;32m--> 437\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m__get_result\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    439\u001b[0m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_condition\u001b[38;5;241m.\u001b[39mwait(timeout)\n\u001b[0;32m    441\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_state \u001b[38;5;129;01min\u001b[39;00m [CANCELLED, CANCELLED_AND_NOTIFIED]:\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\concurrent\\futures\\_base.py:389\u001b[0m, in \u001b[0;36mFuture.__get_result\u001b[1;34m(self)\u001b[0m\n\u001b[0;32m    387\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_exception:\n\u001b[0;32m    388\u001b[0m     \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[1;32m--> 389\u001b[0m         \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_exception\n\u001b[0;32m    390\u001b[0m     \u001b[38;5;28;01mfinally\u001b[39;00m:\n\u001b[0;32m    391\u001b[0m         \u001b[38;5;66;03m# Break a reference cycle with the exception in self._exception\u001b[39;00m\n\u001b[0;32m    392\u001b[0m         \u001b[38;5;28mself\u001b[39m \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;01mNone\u001b[39;00m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:407\u001b[0m, in \u001b[0;36mRetrying.__call__\u001b[1;34m(self, fn, *args, **kwargs)\u001b[0m\n\u001b[0;32m    405\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28misinstance\u001b[39m(do, DoAttempt):\n\u001b[0;32m    406\u001b[0m     \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[1;32m--> 407\u001b[0m         result \u001b[38;5;241m=\u001b[39m \u001b[43mfn\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43margs\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkwargs\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    408\u001b[0m     \u001b[38;5;28;01mexcept\u001b[39;00m \u001b[38;5;167;01mBaseException\u001b[39;00m:  \u001b[38;5;66;03m# noqa: B902\u001b[39;00m\n\u001b[0;32m    409\u001b[0m         retry_state\u001b[38;5;241m.\u001b[39mset_exception(sys\u001b[38;5;241m.\u001b[39mexc_info())\n",
      "Input \u001b[1;32mIn [66]\u001b[0m, in \u001b[0;36mdemo_func8\u001b[1;34m()\u001b[0m\n\u001b[0;32m      8\u001b[0m \u001b[38;5;129m@retry\u001b[39m(retry\u001b[38;5;241m=\u001b[39mretry_if_not_exception_type(\u001b[38;5;167;01mFileNotFoundError\u001b[39;00m))\n\u001b[0;32m      9\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mdemo_func8\u001b[39m():\n\u001b[1;32m---> 11\u001b[0m     \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mFileNotFoundError\u001b[39;00m\n",
      "\u001b[1;31mFileNotFoundError\u001b[0m: "
     ]
    }
   ],
   "source": [
    "demo_func8()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 50,
   "id": "2c12af0c-f788-4ab5-9f0f-02205ef5b016",
   "metadata": {},
   "outputs": [
    {
     "ename": "FileNotFoundError",
     "evalue": "",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mFileNotFoundError\u001b[0m                         Traceback (most recent call last)",
      "Input \u001b[1;32mIn [50]\u001b[0m, in \u001b[0;36m<cell line: 1>\u001b[1;34m()\u001b[0m\n\u001b[1;32m----> 1\u001b[0m \u001b[43mdemo_func8\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:324\u001b[0m, in \u001b[0;36mBaseRetrying.wraps.<locals>.wrapped_f\u001b[1;34m(*args, **kw)\u001b[0m\n\u001b[0;32m    322\u001b[0m \u001b[38;5;129m@functools\u001b[39m\u001b[38;5;241m.\u001b[39mwraps(f)\n\u001b[0;32m    323\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mwrapped_f\u001b[39m(\u001b[38;5;241m*\u001b[39margs: t\u001b[38;5;241m.\u001b[39mAny, \u001b[38;5;241m*\u001b[39m\u001b[38;5;241m*\u001b[39mkw: t\u001b[38;5;241m.\u001b[39mAny) \u001b[38;5;241m-\u001b[39m\u001b[38;5;241m>\u001b[39m t\u001b[38;5;241m.\u001b[39mAny:\n\u001b[1;32m--> 324\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28;43mself\u001b[39;49m\u001b[43m(\u001b[49m\u001b[43mf\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43margs\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkw\u001b[49m\u001b[43m)\u001b[49m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:404\u001b[0m, in \u001b[0;36mRetrying.__call__\u001b[1;34m(self, fn, *args, **kwargs)\u001b[0m\n\u001b[0;32m    402\u001b[0m retry_state \u001b[38;5;241m=\u001b[39m RetryCallState(retry_object\u001b[38;5;241m=\u001b[39m\u001b[38;5;28mself\u001b[39m, fn\u001b[38;5;241m=\u001b[39mfn, args\u001b[38;5;241m=\u001b[39margs, kwargs\u001b[38;5;241m=\u001b[39mkwargs)\n\u001b[0;32m    403\u001b[0m \u001b[38;5;28;01mwhile\u001b[39;00m \u001b[38;5;28;01mTrue\u001b[39;00m:\n\u001b[1;32m--> 404\u001b[0m     do \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43miter\u001b[49m\u001b[43m(\u001b[49m\u001b[43mretry_state\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[43mretry_state\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    405\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28misinstance\u001b[39m(do, DoAttempt):\n\u001b[0;32m    406\u001b[0m         \u001b[38;5;28;01mtry\u001b[39;00m:\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:349\u001b[0m, in \u001b[0;36mBaseRetrying.iter\u001b[1;34m(self, retry_state)\u001b[0m\n\u001b[0;32m    347\u001b[0m is_explicit_retry \u001b[38;5;241m=\u001b[39m retry_state\u001b[38;5;241m.\u001b[39moutcome\u001b[38;5;241m.\u001b[39mfailed \u001b[38;5;129;01mand\u001b[39;00m \u001b[38;5;28misinstance\u001b[39m(retry_state\u001b[38;5;241m.\u001b[39moutcome\u001b[38;5;241m.\u001b[39mexception(), TryAgain)\n\u001b[0;32m    348\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;129;01mnot\u001b[39;00m (is_explicit_retry \u001b[38;5;129;01mor\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mretry(retry_state\u001b[38;5;241m=\u001b[39mretry_state)):\n\u001b[1;32m--> 349\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[43mfut\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mresult\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    351\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mafter \u001b[38;5;129;01mis\u001b[39;00m \u001b[38;5;129;01mnot\u001b[39;00m \u001b[38;5;28;01mNone\u001b[39;00m:\n\u001b[0;32m    352\u001b[0m     \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mafter(retry_state)\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\concurrent\\futures\\_base.py:437\u001b[0m, in \u001b[0;36mFuture.result\u001b[1;34m(self, timeout)\u001b[0m\n\u001b[0;32m    435\u001b[0m     \u001b[38;5;28;01mraise\u001b[39;00m CancelledError()\n\u001b[0;32m    436\u001b[0m \u001b[38;5;28;01melif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_state \u001b[38;5;241m==\u001b[39m FINISHED:\n\u001b[1;32m--> 437\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m__get_result\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    439\u001b[0m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_condition\u001b[38;5;241m.\u001b[39mwait(timeout)\n\u001b[0;32m    441\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_state \u001b[38;5;129;01min\u001b[39;00m [CANCELLED, CANCELLED_AND_NOTIFIED]:\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\concurrent\\futures\\_base.py:389\u001b[0m, in \u001b[0;36mFuture.__get_result\u001b[1;34m(self)\u001b[0m\n\u001b[0;32m    387\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_exception:\n\u001b[0;32m    388\u001b[0m     \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[1;32m--> 389\u001b[0m         \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_exception\n\u001b[0;32m    390\u001b[0m     \u001b[38;5;28;01mfinally\u001b[39;00m:\n\u001b[0;32m    391\u001b[0m         \u001b[38;5;66;03m# Break a reference cycle with the exception in self._exception\u001b[39;00m\n\u001b[0;32m    392\u001b[0m         \u001b[38;5;28mself\u001b[39m \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;01mNone\u001b[39;00m\n",
      "File \u001b[1;32mC:\\Conda\\envs\\data-science\\lib\\site-packages\\tenacity\\__init__.py:407\u001b[0m, in \u001b[0;36mRetrying.__call__\u001b[1;34m(self, fn, *args, **kwargs)\u001b[0m\n\u001b[0;32m    405\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28misinstance\u001b[39m(do, DoAttempt):\n\u001b[0;32m    406\u001b[0m     \u001b[38;5;28;01mtry\u001b[39;00m:\n\u001b[1;32m--> 407\u001b[0m         result \u001b[38;5;241m=\u001b[39m \u001b[43mfn\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43margs\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkwargs\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    408\u001b[0m     \u001b[38;5;28;01mexcept\u001b[39;00m \u001b[38;5;167;01mBaseException\u001b[39;00m:  \u001b[38;5;66;03m# noqa: B902\u001b[39;00m\n\u001b[0;32m    409\u001b[0m         retry_state\u001b[38;5;241m.\u001b[39mset_exception(sys\u001b[38;5;241m.\u001b[39mexc_info())\n",
      "Input \u001b[1;32mIn [49]\u001b[0m, in \u001b[0;36mdemo_func8\u001b[1;34m()\u001b[0m\n\u001b[0;32m      8\u001b[0m \u001b[38;5;129m@retry\u001b[39m(retry\u001b[38;5;241m=\u001b[39mretry_if_not_exception_type(\u001b[38;5;167;01mFileNotFoundError\u001b[39;00m))\n\u001b[0;32m      9\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mdemo_func8\u001b[39m():\n\u001b[1;32m---> 11\u001b[0m     \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mFileNotFoundError\u001b[39;00m\n",
      "\u001b[1;31mFileNotFoundError\u001b[0m: "
     ]
    }
   ],
   "source": [
    "demo_func8()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "b9ac1022-0b62-4a9e-8404-2ae87f9b2cad",
   "metadata": {},
   "source": [
    "### 2.6.2 自定义函数结果条件判断函数"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 74,
   "id": "8e0c97dd-8ee0-4daf-a4e2-1017ffe5c6f6",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "0.9910761438314104\n",
      "0.8953414949545078\n",
      "0.2013066988816824\n",
      "0.8352827649284115\n",
      "0.2644339159107133\n",
      "0.3246973862900614\n",
      "0.022107955836089266\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "0.022107955836089266"
      ]
     },
     "execution_count": 74,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "import random\n",
    "from tenacity import retry, retry_if_result\n",
    "\n",
    "@retry(retry=retry_if_result(lambda x: x >= 0.1))\n",
    "def demo_func9():\n",
    "    a = random.random()\n",
    "    print(a)\n",
    "    return a\n",
    "\n",
    "# 记录开始时间\n",
    "demo_func9()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "b23a67ff-3539-4dba-9d67-bc0a7b652a53",
   "metadata": {},
   "source": [
    "## 2.7 对函数的错误重试情况进行统计"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 76,
   "id": "6e542a14-a147-4846-be84-340a1f6cb0ea",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'start_time': 9668.718,\n",
       " 'attempt_number': 7,\n",
       " 'idle_for': 0,\n",
       " 'delay_since_first_attempt': 0.0}"
      ]
     },
     "execution_count": 76,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "demo_func9.retry.statistics"
   ]
  }
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