Computer Science Applications and Benefits

Step 1 – ScrapingComplete your initial scraping using Jupyter Notebook, BeautifulSoup, Pandas, and Requests/Splinter.Create a Jupyter Notebook file called and use this to complete all of your scraping and analysis tasks.The following outlines what you need to scrape.NASA Mars NewsScrape the NASA Mars News Site (https://mars.nasa.gov/news/page=0&per_page=40&order=publish_date+desc%2Ccreated_at+desc&search=&category=19%2C165%2C184%2C204&blank_scope=Latest  ) and collect the latest News Title and Paragraph Text. Assign the text to variables that you can reference later.# Example: news_title = “NASA’s Next Mars Mission to Investigate Interior of Red Planet” news_p = “Preparation of NASA’s next spacecraft to Mars, InSight, has ramped up this summer, on course for launch next May from Vandenberg Air Force Base in central California — the first interplanetary launch in history from America’s West Coast.”JPL Mars Space Images – Featured ImageVisit the url for JPL Featured Space Image here:  https://www.jpl.nasa.gov/spaceimages/?search=&category=Mars Use splinter to navigate the site and find the image url for the current Featured Mars Image and assign the url string to a variable called featured_image_url.Make sure to find the image url to the full size .jpg image.Make sure to save a complete url string for this image.# Example: featured_image_url ‘https://www.jpl.nasa.gov/spaceimages/images/largesize/PIA16225_hires.jpg’Mars WeatherVisit the Mars Weather twitter account here and scrape the latest Mars weather tweet from the page. Save the tweet text for the weather report as a variable called mars_weather.Note: Be sure you are not signed in to twitter, or scraping may become more difficult.Note: Twitter frequently changes how information is presented on their website. If you are having difficulty getting the correct html tag data, consider researching Regular Expression Patterns and how they can be used in combination with the .find() method.# Example: mars_weather = ‘Sol 1801 (Aug 30, 2017), Sunny, high -21C/-5F, low -80C/-112F, pressure at 8.82 hPa, daylight 06:09-17:55’Mars FactsVisit the Mars Facts webpage here and use Pandas to scrape the table containing facts about the planet including Diameter, Mass, etc.Use Pandas to convert the data to a HTML table string.Mars HemispheresVisit the USGS Astrogeology site here to obtain high-resolution images for each of Mar’s hemispheres.You will need to click each of the links to the hemispheres in order to find the image url to the full resolution image.Save both the image url string for the full resolution hemisphere image, and the Hemisphere title containing the hemisphere name. Use a Python dictionary to store the data using the keys img_url and title.Append the dictionary with the image url string and the hemisphere title to a list. This list will contain one dictionary for each hemisphere.# Example: hemisphere_image_urls = [    {“title”: “Valles Marineris Hemisphere”, “img_url”: “…”},    {“title”: “Cerberus Hemisphere”, “img_url”: “…”},    {“title”: “Schiaparelli Hemisphere”, “img_url”: “…”},    {“title”: “Syrtis Major Hemisphere”, “img_url”: “…”}, ]Step 2 – MongoDB and Flask ApplicationUse MongoDB with Flask templating to create a new HTML page that displays all of the information that was scraped from the URLs above.Start by converting your Jupyter notebook into a Python script called scrape_mars.py with a function called scrape that will execute all of your scraping code from above and return one Python dictionary containing all of the scraped data.Next, create a route called /scrape that will import your script and call your function.Store the return value in Mongo as a Python dictionary.Create a root route / that will query your Mongo database and pass the mars data into an HTML template to display the data.Create a template HTML file called that will take the mars data dictionary and display all of the data in the appropriate HTML elements. Use the following as a guide for what the final product should look like, but feel free to create your own design.Step 3 – SubmissionTo submit your work to BootCampSpot, create a new GitHub repository and upload the following:The Jupyter Notebook containing the scraping code used.Screenshots of your final application.Submit the link to your new repository to BootCampSpot.HintsUse Splinter to navigate the sites when needed and BeautifulSoup to help find and parse out the necessary data.Use Pymongo for CRUD applications for your database. For this homework, you can simply overwrite the existing document each time the /scrape url is visited and new data is obtained.Use Bootstrap to structure your HTML template.

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