Chapter14_JavaScript.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from selenium import webdriver\n",
    "from selenium.webdriver.chrome.service import Service\n",
    "from webdriver_manager.chrome import ChromeDriverManager\n",
    "\n",
    "CHROMEDRIVER_PATH = ChromeDriverManager().install()\n",
    "driver = webdriver.Chrome(service=Service(CHROMEDRIVER_PATH))\n",
    "driver.get(\"http://www.python.org\")\n",
    "time.sleep(2)\n",
    "driver.close()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [],
   "source": [
    "CHROMEDRIVER_PATH = ChromeDriverManager().install()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Here is some important text you want to retrieve!\n",
      "A button to click!\n"
     ]
    }
   ],
   "source": [
    "from selenium import webdriver\n",
    "from selenium.webdriver.common.by import By\n",
    "from selenium.webdriver.chrome.options import Options\n",
    "import time\n",
    "\n",
    "chrome_options = Options()\n",
    "chrome_options.add_argument(\"--headless\")\n",
    "driver = webdriver.Chrome(service=Service(CHROMEDRIVER_PATH), options=chrome_options)\n",
    "driver.get('http://pythonscraping.com/pages/javascript/ajaxDemo.html')\n",
    "time.sleep(3)\n",
    "print(driver.find_element(By.CSS_SELECTOR, '#content').text)\n",
    "driver.close()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Here is some important text you want to retrieve!\n",
      "A button to click!\n"
     ]
    }
   ],
   "source": [
    "from selenium import webdriver\n",
    "from selenium.webdriver.common.by import By\n",
    "from selenium.webdriver.support.ui import WebDriverWait\n",
    "from selenium.webdriver.support import expected_conditions as EC\n",
    "\n",
    "chrome_options = Options()\n",
    "chrome_options.add_argument(\"--headless\")\n",
    "driver = webdriver.Chrome(\n",
    "    service=Service(CHROMEDRIVER_PATH),\n",
    "    options=chrome_options)\n",
    "\n",
    "driver.get('http://pythonscraping.com/pages/javascript/ajaxDemo.html')\n",
    "try:\n",
    "    element = WebDriverWait(driver, 10).until(\n",
    "                       EC.presence_of_element_located((By.ID, 'loadedButton')))\n",
    "finally:\n",
    "    print(driver.find_element(By.ID, 'content').text)\n",
    "    driver.close()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 35,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Timing out after 10 seconds and returning\n",
      "<html><head>\n",
      "<title>The Destination Page!</title>\n",
      "\n",
      "</head>\n",
      "<body>\n",
      "This is the page you are looking for!\n",
      "\n",
      "</body></html>\n"
     ]
    }
   ],
   "source": [
    "from selenium import webdriver\n",
    "from selenium.webdriver.chrome.options import Options\n",
    "from selenium.common.exceptions import StaleElementReferenceException\n",
    "import time\n",
    "\n",
    "def waitForLoad(driver):\n",
    "    elem = driver.find_element(By.TAG_NAME, \"html\")\n",
    "    count = 0\n",
    "    for _ in range(0, 20):\n",
    "        try:\n",
    "            elem == driver.find_element(By.TAG_NAME, \"html\")\n",
    "        except StaleElementReferenceException:\n",
    "            return\n",
    "        time.sleep(0.5)\n",
    "    print(\"Timing out after 10 seconds and returning\")\n",
    "        \n",
    "chrome_options = Options()\n",
    "chrome_options.add_argument(\"--headless\")\n",
    "driver = webdriver.Chrome(service=Service(CHROMEDRIVER_PATH), options=chrome_options)\n",
    "driver.get(\"http://pythonscraping.com/pages/javascript/redirectDemo1.html\")\n",
    "waitForLoad(driver)\n",
    "print(driver.page_source)\n",
    "driver.close()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "This is the page you are looking for!\n"
     ]
    }
   ],
   "source": [
    "from selenium.webdriver.common.by import By\n",
    "from selenium.webdriver.support.ui import WebDriverWait\n",
    "from selenium.webdriver.chrome.options import Options\n",
    "from selenium.webdriver.support import expected_conditions as EC\n",
    "from selenium.common.exceptions import TimeoutException\n",
    "\n",
    "chrome_options = Options()\n",
    "chrome_options.add_argument(\"--headless\")\n",
    "driver = webdriver.Chrome(\n",
    "    executable_path='drivers/chromedriver', \n",
    "    options=chrome_options)\n",
    "driver.get('http://pythonscraping.com/pages/javascript/redirectDemo1.html')\n",
    "try:\n",
    "    bodyElement = WebDriverWait(driver, 15).until(EC.presence_of_element_located(\n",
    "        (By.XPATH, '//body[contains(text(), \"This is the page you are looking for!\")]')))\n",
    "    print(bodyElement.text)\n",
    "except TimeoutException:\n",
    "    print('Did not find the element')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from webdriver_manager.firefox import GeckoDriverManager\n",
    "print(GeckoDriverManager().install())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "[WDM] - Downloading: 100%|███████████████████████████████████████████████████████████████████████████████████████████| 10.2M/10.2M [00:01<00:00, 7.44MB/s]\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "'/Users/RSpecht/.wdm/drivers/edgedriver/mac64/113.0.1774.57/msedgedriver'"
      ]
     },
     "execution_count": 31,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from webdriver_manager.microsoft import EdgeChromiumDriverManager\n",
    "print(EdgeChromiumDriverManager().install())"
   ]
  }
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