scrape.py

# imports
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.chrome.options import Options
from datetime import datetime, timedelta
from time import sleep

# config, used for both scraping methods
base = "https://uiuc.libcal.com/"
all = "allspaces" # base + all
id  = { # base + "spaces/?lid=" + id of desired library
    "chemistry": 5903,
    "funk": 3604,
    "grainger": 3606,
    "international": 5766,
    "main": 3608,
    "music": 3153,
    "studio": 16231
}
args = "&gid=0&c=0" # additional arguments

busyness = {
    "chemistry": 0,
    "funk": 0,
    "grainger": 0,
    "international": 0,
    "main": 0,
    "music": 0,
    "studio": 0
}

rounded = datetime.now() - (datetime.now() - datetime.min) % timedelta(minutes=30)
meridian = ("am", "pm")[bool(int((datetime.now()).strftime('%H')) > 11)]
current_time = (rounded.strftime('%Y/%m/%d %I:%M:%S'))[11:16] + meridian

# # open selenium instance
options = Options()
options.add_argument("--headless=new")
driver = webdriver.Chrome(options=options)

for key in id:
    print("_______________________")
    print("Library: " + key)

    # url to scrape
    url = base + "spaces?lid=" + str(id[key]) + args

    # # navigate to url
    driver.get(url)

    # wait for page load
    sleep(.05)

    # # extract data
    events = [ev.get_attribute("title") for ev in driver.find_elements(By.CLASS_NAME, "fc-event-today")
              if current_time in ("0" + ev.get_attribute("title"))]

    if len(events) == 0:
        busyness[key] = 0
    else:
        total_unavailable = 0

        for ev in events:
            print(ev)
            if "Unavailable" in ev:
                total_unavailable = total_unavailable + 1

        if total_unavailable == 0:
            busyness[key] = 1
        else:
            print("Total: " + str(len(events)))
            print("Unavailable: " + str(total_unavailable))
            ratio = float(total_unavailable)/len(events) * 100

            busyness[key] = round((ratio)/20)

        print("Busyness: " + str(busyness[key]))

# quit driver
driver.quit()

print(busyness)