Scrape an Amazon product review IFrame (returned from the Product Advertising API for a particular ASIN)

amzreviewscrape.py

from selenium import webdriver
# Python 3.6.3
# hold on to your butts

driver_path = '/usr/local/bin/chromedriver'

url = 'https://www.amazon.com/reviews/iframe?akid=AKIAIOWAH2MM2J3QSNPA&alinkCode=xm2&asin=B006R7AW6M&atag=AssociateTag%3Dsomeutility-20&exp=2017-11-02T21%3A59%3A44Z&v=2&sig=ljBbKJxQiq%252F90us8lfn1uDQ7VmXr%252BDknLvJ49jIsaHU%253D'

try:
    browser = webdriver.Chrome(executable_path=driver_path)
    browser.get(url)
    html = browser.page_source

    # NOTE: product name will have to be gleaned elsewhere (product advertising api?)
    # grab the element containing the total number of reviews
    totalReviews = int(str(browser.find_element_by_class_name('tiny').text).replace(' Reviews', ''))

    # grab the element containing the number of 5 star reviews and parse out everything
    # except for the percentage and then convert it to a float
    fiveStarsP = str(browser.find_element_by_class_name('histoRowFive').text)
    fiveStarsP = fiveStarsP.replace('\n', '').replace('5 star', '').replace('%', '')
    fiveStarsP = float(float(fiveStarsP)/100)
    fiveStars = totalReviews * fiveStarsP
    fiveStars = int(round(fiveStars, 0))

    fourStarsP = str(browser.find_element_by_class_name('histoRowFour').text)
    fourStarsP = fourStarsP.replace('\n', '').replace('4 star', '').replace('%', '')
    fourStarsP = float(float(fourStarsP)/100)
    fourStars = totalReviews * fourStarsP
    fourStars = int(round(fourStars, 0))

    threeStarsP = str(browser.find_element_by_class_name('histoRowThree').text)
    threeStarsP = threeStarsP.replace('\n', '').replace('3 star', '').replace('%', '')
    threeStarsP = float(float(threeStarsP)/100)
    threeStars = totalReviews * threeStarsP
    threeStars = int(round(threeStars, 0))

    twoStarsP = str(browser.find_element_by_class_name('histoRowTwo').text)
    twoStarsP = twoStarsP.replace('\n', '').replace('2 star', '').replace('%', '')
    twoStarsP = float(float(twoStarsP)/100)
    twoStars = totalReviews * twoStarsP
    twoStars = int(round(twoStars, 0))

    oneStarP = str(browser.find_element_by_class_name('histoRowOne').text)
    oneStarP = oneStarP.replace('\n', '').replace('1 star', '').replace('%', '')
    oneStarP = float(float(oneStarP)/100)
    oneStar = totalReviews * oneStarP
    oneStar = int(round(oneStar, 0))

    print(f'Total reviews: {totalReviews}\n')
    print(f'Total number of 1 star reviews: {oneStar} ({int(oneStarP*100)}%)')
    print(f'Total number of 2 star reviews: {twoStars} ({int(twoStarsP*100)}%)')
    print(f'Total number of 3 star reviews: {threeStars} ({int(threeStarsP*100)}%)')
    print(f'Total number of 4 star reviews: {fourStars} ({int(fourStarsP*100)}%)')
    print(f'Total number of 5 star reviews: {fiveStars} ({int(fiveStarsP*100)}%)')

    # this will close the browser
    browser.close()
except:
    print('Something died....')
    if browser:
        browser.close()

Requires chromedriver