adding screenshot script

slack-bot/screenshotFull.py

@@ -0,0 +1,26 @@
+# https://stackoverflow.com/questions/41721734/take-screenshot-of-full-page-with-selenium-python-with-chromedriver/57338909#57338909
+
+from selenium import webdriver
+from PIL import Image
+
+URL = 'https://www.trafficdelays.co.uk/m62-traffic-delays/'
+
+options = webdriver.ChromeOptions()
+options.headless = True
+
+driver = webdriver.Chrome(options=options)
+driver.get(URL)
+
+S = lambda X: driver.execute_script('return document.body.parentNode.scroll'
+                                    + X)
+# driver.set_window_size(S('Width'), S('Height')+500)  # May need manual adjustment
+driver.set_window_size(S('Width'), 1000)  # May need manual adjustment
+driver.find_element_by_tag_name('body').screenshot('web_screenshot.png')
+# driver.find_element_by_css_selector('#post-4706').screenshot('web_screenshot.png')
+print(driver.find_element_by_css_selector('#post-4706').text)
+
+im = Image.open('web_screenshot.png')
+width, height = im.size
+region = im.crop((0, 0, width, 880))
+region.save('cropped.png')
+driver.quit()