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Automate booking.com search using Python

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Hi there!

In this post, you’re going to bring together out the correct blueprint to make utilize of Python to automate the routine work of browsing for hotels on booking.com. We are capable of allow you to earn basically the most efficient deal for your next vacation. I’ve no longer too lengthy ago created this script to serve capture basically the most efficient option for my summer season time out, so I made up my recommendations to portion it with the community.

This text is efficacious for you in case:

  1. You’re finding out Python and favor to put together your talents to a number of proper-world complications.
  2. You know Python and favor a boilerplate code to show screen booking.com, so that you just don’t should write it your self.

This text is written for purely academic functions. Please make certain to bear a study booking.com phrases of utilize.

The script we’re going to jot down works most efficient if it runs on agenda routinely without you triggering it manually. There are a number of recommendations to earn it (it is likely you’ll presumably possibly place up a server and develop a cron job, as an instance). I counsel the usage of seamlesscloud.io, a instrument I’m developing staunch now, and it’s built namely as a consequence of this.

We’re going to jot down a script that finds three cheapest hotels with 9+ ranking and indicate us the model for two rooms, four other folks complete (reason I changed into traveling with chums). K, for these of you who correct favor the code, right here it is:

import datetime
import urllib

import requests
from bs4 import BeautifulSoup

session = requests.Session()

REQUEST_HEADER = {
    "Particular person-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, love Gecko) Chrome/50.0.2661.75 "
                  "Safari/537.36"}
BOOKING_URL = 'https://www.booking.com'

# https://core.telegram.org/bots
BOT_API_KEY = 'your-bot-api-key'
CHANNEL_NAME = '@booking_monitoring'


class Hotel:
    raw_html = None
    name = None
    safe = None
    model = None
    hyperlink = None
    crucial parts = None

    def __init__(self, raw_html):
        self.raw_html = raw_html
        self.name = get_hotel_name(raw_html)
        self.safe = get_hotel_score(raw_html)
        self.model = get_hotel_price(raw_html)
        self.hyperlink = get_hotel_detail_link(raw_html)

    def get_details(self):
        if self.hyperlink:
            self.crucial parts = HotelDetails(self.hyperlink)


class HotelDetails:
    latitude = None
    longitude = None

    def __init__(self, details_link):
        detail_page_response = session.earn(BOOKING_URL + details_link, headers=REQUEST_HEADER)
        soup_detail = BeautifulSoup(detail_page_response.text, "lxml")
        self.latitude = get_coordinates(soup_detail)[0]
        self.longitude = get_coordinates(soup_detail)[1]


def create_url(other folks, country, metropolis, date_in, date_out, rooms, score_filter):
    url = f"https://www.booking.com/searchresults.en-gb.html?selected_currency=USD&checkin_month={date_in.month}" 
          f"&checkin_monthday={date_in.day}&checkin_year={date_in.one year}&checkout_month={date_out.month}" 
          f"&checkout_monthday={date_out.day}&checkout_year={date_out.one year}&group_adults={other folks}" 
          f"&group_children=0&characterize=model&ss={metropolis}%2C%20{country}" 
          f"&no_rooms={rooms}"
    if score_filter:
        if score_filter == '9+':
            url += '&nflt=review_score%3D90%3B'
        elif score_filter == '8+':
            url += '&nflt=review_score%3D80%3B'
        elif score_filter == '7+':
            url += '&nflt=review_score%3D70%3B'
        elif score_filter == '6+':
            url += '&nflt=review_score%3D60%3B'
    return url


def get_search_result(other folks, country, metropolis, date_in, date_out, rooms, score_filter):
    consequence = []
    data_url = create_url(other folks, country, metropolis, date_in, date_out, rooms, score_filter)
    response = session.earn(data_url, headers=REQUEST_HEADER)
    soup = BeautifulSoup(response.text, "lxml")
    hotels = soup.buy("#hotellist_inner div.sr_item.sr_item_new")
    for resort in hotels:
        consequence.append(Hotel(resort))
    session.end()
    return consequence


def get_hotel_name(resort):
    identifier = "span.sr-hotel__name"
    if resort.select_one(identifier) is None:
        return ''
    else:
        return resort.select_one(identifier).text.strip()


def get_hotel_score(resort):
    identifier = "div.bui-evaluation-score__badge"
    if resort.select_one(identifier) is None:
        return ''
    else:
        return resort.select_one(identifier).text.strip()


def get_hotel_price(resort):
    identifier = "div.bui-model-display__value.prco-text-nowrap-helper.prco-inline-block-maker-helper"
    if resort.select_one(identifier) is None:
        return ''
    else:
        return resort.select_one(identifier).text.strip()[2:]


def get_hotel_detail_link(resort):
    identifier = ".txp-cta.bui-button.bui-button--predominant.sr_cta_button"
    if resort.select_one(identifier) is None:
        return ''
    else:
        return resort.select_one(identifier)['href']


def get_coordinates(soup_detail):
    coordinates = []
    if soup_detail.select_one("#hotel_sidebar_static_map") is None:
        coordinates.append('')
        coordinates.append('')
    else:
        coordinates.append(soup_detail.select_one("#hotel_sidebar_static_map")["data-atlas-latlng"].ruin up(",")[0])
        coordinates.append(soup_detail.select_one("#hotel_sidebar_static_map")["data-atlas-latlng"].ruin up(",")[1])
    return coordinates


def send_message(html):
    resp = requests.earn(f'https://api.telegram.org/bot{BOT_API_KEY}/sendMessage?parse_mode=HTML&'
                        f'chat_id={CHANNEL_NAME}&'
                        f'text={urllib.parse.quote_plus(html)}')
    resp.raise_for_status()


def send_location(latitude, longitude):
    resp = requests.earn(f'https://api.telegram.org/bot{BOT_API_KEY}/sendlocation?'
                        f'chat_id={CHANNEL_NAME}&'
                        f'latitude={latitude}&longitude={longitude}')
    resp.raise_for_status()


def predominant():
    search_params = {
        'other folks': 4,
        'rooms': 2,
        'country': 'United States',
        'metropolis': 'Fresh York',
        'date_in': datetime.datetime(2020, 8, 31).date(),
        'date_out': datetime.datetime(2020, 9, 2).date(),
        'score_filter': '9+'
    }

    print(f"Purchasing hotels the usage of parameters: {search_params}")
    consequence = get_search_resultsearch_params)
    top_3 = consequence[:3]
    send_message(
        f'Right here are your search outcomes for {search_params["people"]} other folks, {search_params["rooms"]} rooms in '
        f'{search_params["city"]}, {search_params["country"]} for dates from {search_params["date_in"]} to '
        f'{search_params["date_out"]} with {search_params.earn("score_filter", "any")} ranking')
    for resort in top_3:
        send_message(f'{resort.name}  ({resort.safe})n'
                     f'Complete model: {resort.model}')
        resort.get_details()
        send_location(resort.crucial parts.latitude, resort.crucial parts.longitude)
    print('Notifications had been despatched efficiently')


if __name__ == '__main__':
    predominant()

You would also bring together the total code right here.

Now for these of you who would like some explanations, let’s dive into crucial parts.

Net pages scraping

Let’s gaze into the get_search_result purpose. Inner you’ll scrutinize that we’re developing the URL first.

def create_url(other folks, country, metropolis, date_in, date_out, rooms, score_filter):
    url = f"https://www.booking.com/searchresults.en-gb.html?selected_currency=USD&checkin_month={date_in.month}" 
          f"&checkin_monthday={date_in.day}&checkin_year={date_in.one year}&checkout_month={date_out.month}" 
          f"&checkout_monthday={date_out.day}&checkout_year={date_out.one year}&group_adults={other folks}" 
          f"&group_children=0&characterize=model&ss={metropolis}%2C%20{country}" 
          f"&no_rooms={rooms}"
    if score_filter:
        if score_filter == '9+':
            url += '&nflt=review_score%3D90%3B'
        elif score_filter == '8+':
            url += '&nflt=review_score%3D80%3B'
        elif score_filter == '7+':
            url += '&nflt=review_score%3D70%3B'
        elif score_filter == '6+':
            url += '&nflt=review_score%3D60%3B'
    return url

This is the URL that you just would gaze for your browser if you occur to correct manually glimpse for hotels. We correct programmatically insert filters and generate the URL from code, that’s it.

Next, we merely salvage a GET query of to the URL and receive the consequence.

response = session.earn(data_url, headers=REQUEST_HEADER)

Then we utilize the BeautifulSoup library to parse the response.

soup = BeautifulSoup(response.text, "lxml")

BeautifulSoup is largely the most standard Python library ancient to salvage sense of websites (in our case, booking.com web pages). The library helps convert the text illustration of the page into an object with attributes and search techniques that it is likely you’ll presumably possibly utilize for your code.

This is the formula to earn the checklist of hotels from the page:

hotels = soup.buy("#hotellist_inner div.sr_item.sr_item_new")

What does this mean? What’s this uncommon string we buy? Whenever you open the URL we generate within the browser and utilize developer tools (I utilize Chrome), it is likely you’ll presumably possibly gaze this:

Booking.com website source code

hotellist_inner is an id of HTML ingredient. It is highlighted in my browser, and I’m capable of gaze that it corresponds to the checklist of hotels within the search consequence.

div.sr_item.sr_item_new formula div ingredient with classes sr_item and sr_item_new.

Booking.com website source code

And this is the example of such an ingredient. We’re successfully deciding on all div parts which bear classes sr_item and sr_item_new and would be found all the blueprint via the ingredient with id = hotellist_inner.

Our next step is to iterate over hotels and parse every of them individually.

for resort in hotels:
    consequence.append(Hotel(resort))

Whenever you gaze into the __init__ intention of the Hotel class you’ll gaze that we utilize a bunch of functions to earn assorted knowledge from the resort’s ingredient on the on-line page. I received’t disappear into crucial parts right here, nonetheless they work in a an analogous formula to the logic that selects a resort ingredient, which I described above.

Sending messages to Telegram

After we stumbled on hotels, we need some formula to be notified. In this half, I will indicate how the code that sends knowledge to my Telegram app works. Telegram is the messenger I utilize. You would utilize a particular one. Nonetheless, it will even be imaginable to send a message from Python. Most of the messengers at the second bear API for bots. You would read extra about Telegram bots right here.

Please note the documentation and develop your bot. The most life like likely formula to receive messages from the bot is to develop a public channel after which add the bot into this channel. Why public? On fable of then the bot only wishes the name of the channel to send messages there. There are techniques to send messages to a private channel or to you straight, nonetheless they require extra steps, for our functions public channel is largely the most efficient advance.

Screenshot showing the Telegram channel with added bot.

Now in characterize to send a message to this channel all I need is to insist two constants:

BOT_API_KEY = 'you-api-key'
CHANNEL_NAME = '@booking_monitoring'

BOT_API_KEY you’ll earn after you develop your bot. CHANNEL_NAME is merely the name of a public channel. Please utilize the name of the channel you’ve created.

The code to send a message is a straight forward earn query of to the Telegram bot API.

def send_message(html):
    resp = requests.earn(f'https://api.telegram.org/bot{BOT_API_KEY}/sendMessage?parse_mode=HTML&chat_id={CHANNEL_NAME}&text={urllib.parse.quote_plus(html)}')

For every resort I also send its region love this:

def send_location(latitude, longitude):
    resp = requests.earn(f'https://api.telegram.org/bot{BOT_API_KEY}/sendlocation?chat_id={CHANNEL_NAME}&latitude={latitude}&longitude={longitude}')

As a consequence this is what I earn in my Telegram app:

Screenshot showing the Telegram channel with messages from booking.com bot sent from Python.

Gorgeous helpful, since I earn the classic knowledge out there staunch in my messenger, resort’s region that I’m capable of explore staunch away and the hyperlink to booking.com with all diversified crucial parts.

Striking it all together

So, within the tip, now we bear a script that will get the high 3 cheapest hotels in accordance to the search the usage of filters you provide an explanation for (sorting is specified within the purpose that creates the URL).

consequence = get_search_resultsearch_params)
top_3 = consequence[:3]

Then for every of the 3 hotels we send a message:

for resort in top_3:
    send_message(f'{resort.name}  ({resort.safe})n'
                     f'Complete model: {resort.model}')
    resort.get_details()
    send_location(resort.crucial parts.latitude, resort.crucial parts.longitude)

Making our script work within the background

If this script would not bustle on agenda within the background, it’s no longer very considerable – it is likely you’ll presumably possibly possibly even be at an advantage correct visiting the booking.come within the browser without the usage of Python and perusing manually. There are hundreds ways to assign your script to work. CRON might presumably possibly presumably be basically the most standard thing for this.

One thing to attend in recommendations is that you just don’t favor to bustle this script to your local machine since should you end up your laptop or flip off your desktop – it will end, and you received’t earn any notifications. You would dart up a server somewhere and utilize CRON there. Or it is likely you’ll presumably possibly…

Warning, commercial below. Sorry.

Or it is likely you’ll presumably possibly utilize seamlesscloud.io – a instrument I’m developing with a number of diversified engineers. It has one thing it does correctly – bustle Python scripts on a agenda. Be at liberty to test it out.

Whenever it is likely you’ll presumably possibly bear any disorders, please shoot me an electronic mail, and I’ll attempt to allow you to. You would also bring together the total code ancient in this post right here.

You would read extra of our weblog right here.

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