Mission_to_Mars_Challenge.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Import dependencies\n",
    "from splinter import Browser\n",
    "from bs4 import BeautifulSoup as soup\n",
    "from webdriver_manager.chrome import ChromeDriverManager\n",
    "import pandas as pd"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "\n",
      "\n",
      "====== WebDriver manager ======\n",
      "Current google-chrome version is 98.0.4758\n",
      "Get LATEST chromedriver version for 98.0.4758 google-chrome\n",
      "Driver [/Users/Kelly/.wdm/drivers/chromedriver/mac64/98.0.4758.102/chromedriver] found in cache\n"
     ]
    }
   ],
   "source": [
    "executable_path = {'executable_path': ChromeDriverManager().install()}\n",
    "browser = Browser('chrome',**executable_path,headless=False)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Visit the NASA Mars News Site"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Visit the mars nasa news site\n",
    "url = 'https://redplanetscience.com'\n",
    "browser.visit(url)\n",
    "# Optional delay for loading the page\n",
    "browser.is_element_present_by_css('div.list_text',wait_time=1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Convert the browser html to a soup object and then quit the browser\n",
    "html = browser.html\n",
    "news_soup = soup(html,'html.parser')\n",
    "slide_elem = news_soup.select_one('div.list_text')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<div class=\"content_title\">A Year of Surprising Science From NASA's InSight Mars Mission</div>"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "slide_elem.find('div',class_='content_title')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "\"A Year of Surprising Science From NASA's InSight Mars Mission\""
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Use the parent element to find the first 'a' tag and save it as 'news_title'\n",
    "news_title = slide_elem.find('div',class_='content_title').get_text()\n",
    "news_title"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "\"A batch of new papers summarizes the lander's findings above and below the surface of the Red Planet.\""
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Use the parent element to find the paragraph text\n",
    "news_p = slide_elem.find('div',class_='article_teaser_body').get_text()\n",
    "news_p"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### JPL Space Images Featured Image"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Visit URL\n",
    "url = 'https://spaceimages-mars.com'\n",
    "browser.visit(url)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Find and click the full image button\n",
    "full_image_elem = browser.find_by_tag('button')[1]\n",
    "full_image_elem.click()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Parse the resulting html with soup\n",
    "html = browser.html\n",
    "img_soup = soup(html,'html.parser')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'image/featured/mars1.jpg'"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Find the relative image url\n",
    "img_url_rel = img_soup.find('img',class_='fancybox-image').get('src')\n",
    "img_url_rel"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'https://spaceimages-mars.com/image/featured/mars1.jpg'"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Use the base URL to create an absolute URL\n",
    "img_url = f'https://spaceimages-mars.com/{img_url_rel}'\n",
    "img_url"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Mars Facts"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Mars</th>\n",
       "      <th>Earth</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>description</th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>Mars - Earth Comparison</th>\n",
       "      <td>Mars</td>\n",
       "      <td>Earth</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Diameter:</th>\n",
       "      <td>6,779 km</td>\n",
       "      <td>12,742 km</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Mass:</th>\n",
       "      <td>6.39 × 10^23 kg</td>\n",
       "      <td>5.97 × 10^24 kg</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Moons:</th>\n",
       "      <td>2</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Distance from Sun:</th>\n",
       "      <td>227,943,824 km</td>\n",
       "      <td>149,598,262 km</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Length of Year:</th>\n",
       "      <td>687 Earth days</td>\n",
       "      <td>365.24 days</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Temperature:</th>\n",
       "      <td>-87 to -5 °C</td>\n",
       "      <td>-88 to 58°C</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                                    Mars            Earth\n",
       "description                                              \n",
       "Mars - Earth Comparison             Mars            Earth\n",
       "Diameter:                       6,779 km        12,742 km\n",
       "Mass:                    6.39 × 10^23 kg  5.97 × 10^24 kg\n",
       "Moons:                                 2                1\n",
       "Distance from Sun:        227,943,824 km   149,598,262 km\n",
       "Length of Year:           687 Earth days      365.24 days\n",
       "Temperature:                -87 to -5 °C      -88 to 58°C"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df = pd.read_html('https://galaxyfacts-mars.com')[0]\n",
    "df.columns=['description','Mars','Earth']\n",
    "df.set_index('description',inplace=True)\n",
    "df"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'<table border=\"1\" class=\"dataframe\">\\n  <thead>\\n    <tr style=\"text-align: right;\">\\n      <th></th>\\n      <th>Mars</th>\\n      <th>Earth</th>\\n    </tr>\\n    <tr>\\n      <th>description</th>\\n      <th></th>\\n      <th></th>\\n    </tr>\\n  </thead>\\n  <tbody>\\n    <tr>\\n      <th>Mars - Earth Comparison</th>\\n      <td>Mars</td>\\n      <td>Earth</td>\\n    </tr>\\n    <tr>\\n      <th>Diameter:</th>\\n      <td>6,779 km</td>\\n      <td>12,742 km</td>\\n    </tr>\\n    <tr>\\n      <th>Mass:</th>\\n      <td>6.39 × 10^23 kg</td>\\n      <td>5.97 × 10^24 kg</td>\\n    </tr>\\n    <tr>\\n      <th>Moons:</th>\\n      <td>2</td>\\n      <td>1</td>\\n    </tr>\\n    <tr>\\n      <th>Distance from Sun:</th>\\n      <td>227,943,824 km</td>\\n      <td>149,598,262 km</td>\\n    </tr>\\n    <tr>\\n      <th>Length of Year:</th>\\n      <td>687 Earth days</td>\\n      <td>365.24 days</td>\\n    </tr>\\n    <tr>\\n      <th>Temperature:</th>\\n      <td>-87 to -5 °C</td>\\n      <td>-88 to 58°C</td>\\n    </tr>\\n  </tbody>\\n</table>'"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df.to_html()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## D1: Scrape High-Resolution Mars' Hemisphere Images and Titles"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Hemispheres"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [],
   "source": [
    "# 1. Use browser to visit the URL \n",
    "url = 'https://marshemispheres.com/'\n",
    "\n",
    "browser.visit(url)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "4\n"
     ]
    }
   ],
   "source": [
    "html = browser.html\n",
    "bs = soup(html,'html.parser')\n",
    "num = bs.find_all('div',class_='item')\n",
    "print(len(num))# Check to see if this finds all 4 hemispheres"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [],
   "source": [
    "# 2. Create a list to hold the images and titles.\n",
    "hemisphere_image_urls = []\n",
    "# 3. Write code to retrieve the image urls and titles for each hemisphere.\n",
    "# The below for loop should work but gives an error when trying to find click on the hemisphere link, so needed to use range(4)\n",
    "#for i in range(len(bs.find('div',class_='item'))):\n",
    "for i in range(4):\n",
    "    # Create empty dictionary to store urls and titles for full images\n",
    "    hemispheres = {}\n",
    "    # click on hemisphere link\n",
    "    browser.links.find_by_partial_text('Enhanced')[i].click()\n",
    "    # navigate to full-resolution image page\n",
    "    html = browser.html\n",
    "    bs = soup(html,'html.parser')\n",
    "    rel_img_path = bs.find('ul').find('li').find('a')['href']\n",
    "    title = bs.find('div',class_='cover').find('h2').text\n",
    "    # retrieve the full resolution image URL string and title\n",
    "    hemispheres['img_url'] = url + rel_img_path\n",
    "    hemispheres['title'] = title\n",
    "    #navigate back to beginning to get the next hemisphere image\n",
    "    browser.back()\n",
    "    hemisphere_image_urls.append(hemispheres)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[{'img_url': 'https://marshemispheres.com/images/full.jpg',\n",
       "  'title': 'Cerberus Hemisphere Enhanced'},\n",
       " {'img_url': 'https://marshemispheres.com/images/schiaparelli_enhanced-full.jpg',\n",
       "  'title': 'Schiaparelli Hemisphere Enhanced'},\n",
       " {'img_url': 'https://marshemispheres.com/images/syrtis_major_enhanced-full.jpg',\n",
       "  'title': 'Syrtis Major Hemisphere Enhanced'},\n",
       " {'img_url': 'https://marshemispheres.com/images/valles_marineris_enhanced-full.jpg',\n",
       "  'title': 'Valles Marineris Hemisphere Enhanced'}]"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# 4. Print the list that holds the dictionary of each image url and title.\n",
    "hemisphere_image_urls"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [],
   "source": [
    "# 5. Quit the browser\n",
    "browser.quit()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>0</th>\n",
       "      <th>1</th>\n",
       "      <th>2</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Mars - Earth Comparison</td>\n",
       "      <td>Mars</td>\n",
       "      <td>Earth</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Diameter:</td>\n",
       "      <td>6,779 km</td>\n",
       "      <td>12,742 km</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Mass:</td>\n",
       "      <td>6.39 × 10^23 kg</td>\n",
       "      <td>5.97 × 10^24 kg</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Moons:</td>\n",
       "      <td>2</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Distance from Sun:</td>\n",
       "      <td>227,943,824 km</td>\n",
       "      <td>149,598,262 km</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Length of Year:</td>\n",
       "      <td>687 Earth days</td>\n",
       "      <td>365.24 days</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>Temperature:</td>\n",
       "      <td>-87 to -5 °C</td>\n",
       "      <td>-88 to 58°C</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                         0                1                2\n",
       "0  Mars - Earth Comparison             Mars            Earth\n",
       "1                Diameter:         6,779 km        12,742 km\n",
       "2                    Mass:  6.39 × 10^23 kg  5.97 × 10^24 kg\n",
       "3                   Moons:                2                1\n",
       "4       Distance from Sun:   227,943,824 km   149,598,262 km\n",
       "5          Length of Year:   687 Earth days      365.24 days\n",
       "6             Temperature:     -87 to -5 °C      -88 to 58°C"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "import pandas as pd\n",
    "df = pd.read_html('http://data-class-mars-facts.s3.amazonaws.com/Mars_Facts/index.html')[0]\n",
    "df"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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