Get fuel price from Bangchak web widget, แสดงราคาน้ำมัน บางจาก

oil_price_bangchak.py

from bs4 import BeautifulSoup

import requests


URL = "http://www.bangchak.co.th/oilprice-widget.aspx"

FUEL_TYPE = ["Hi-Diesel",
             "Gasohol E85",
             "Gasohol E20",
             "Gasohol 91",
             "Gasohol 95",
             "NGV"]


def compare_price(today, tomorrow):
    if today < tomorrow:
        return " ↑↑\n"
    elif today > tomorrow:
        return " ↓↓\n"
    else:
        return " ==\n"

def get_oil_price_bangchak():
    """Return string of fuel price list from Bangchak"""

    html_content = requests.get(URL).text

    soup = BeautifulSoup(html_content, 'lxml')

    today = soup.find("td", {"class": "css1"}).contents[2]

    today_price_list = soup.find_all("td", {"class": "css2"})
    tomorrow_price_list = soup.find_all("td", {"class": "css3"})

    today_ngv_price = today_price_list[-1].contents[0]
    tomorrow_ngv_price = tomorrow_price_list[-1].contents[0]

    result = """ราคาน้ำมัน ณ วันที่ {}\n
    ประเภทน้ำมัน\t\t\t\tวันนี้\t\tพรุ่งนี้\n
    \t\t\t\t\tบาท/ลิตร\t\tบาท/ลิตร\n""".format(today)

    for fuel, today_price, tomorrow_price in zip(FUEL_TYPE[:-1],
                                                 today_price_list[:5],
                                                 tomorrow_price_list[:5]):
        result += fuel+"\t\t\t\t"+today_price.contents[0]+"\t\t"+tomorrow_price.contents[0]
        result += compare_price(float(today_price.contents[0]), float(tomorrow_price.contents[0]))

    result += "\n\t\t\t\t\tบาท/กก.\t\tบาท/กก.\n"
    result += FUEL_TYPE[-1]+"\t\t\t\t\t"+today_ngv_price+"\t\t"+tomorrow_ngv_price
    result += compare_price(float(today_ngv_price), float(tomorrow_ngv_price))

    return(result)
  
  
  print(get_oil_price_bangchak())