covid-vaccination-center-availability.py

import sys

import requests
import datetime
import pytz
import smtplib, ssl
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
import time

####### Config you need to set ##############
NUMBER_OF_DAYS_TO_SEARCH = 10
AGE_LIMIT_SEARCH = 18
PINCODES = [302004, 302015, 302017, 302029, 302005, 302001, 302005, 302010, 302019, 302011, 302020, 301001]
TIME_INTERVAL_IN_MINUTES = 10
sender_email = "[email protected]"
password = "******"

today_date = datetime.datetime.now(pytz.timezone('Asia/Kolkata'))
DATE_TO_SEARCH = "{:02d}-{:02d}-{}".format(today_date.day, today_date.month, today_date.year)
DATES = []
for i in range(0, NUMBER_OF_DAYS_TO_SEARCH):
    tempDate = datetime.datetime.strptime(DATE_TO_SEARCH, '%d-%m-%Y') + datetime.timedelta(days=i)
    DATES.append("{:02d}-{:02d}-{}".format(tempDate.day, tempDate.month, tempDate.year))

debug = {'verbose': sys.stderr}
user_agent = {'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36'}


if __name__ == '__main__':
    count = 1
    while 1 == 1:
        print("Fetching {}  ....".format(count))
        count = count + 1
        available_centers = []
        for eachDate in DATES:
            for eachPincode in PINCODES:
                print("Searching for date {} in pincode {}".format(
                    eachDate, eachPincode
                ))
                url = "https://cdn-api.co-vin.in/api/v2/appointment/sessions/public/calendarByPin?pincode={}&date={}".format(
                        eachPincode, eachDate)
                resp = requests.get(url, headers=user_agent)
                centers = resp.json()["centers"]
                for center in centers:
                    sessions = center["sessions"]
                    for session in sessions:
                        if session["available_capacity"] > 0 and session['min_age_limit'] == AGE_LIMIT_SEARCH:
                            center_details = dict(
                                name=center['name'],
                                block_name=center['block_name'],
                                pincode=center['pincode'],
                                date=session['date'],
                                available_capacity=session['available_capacity'],
                                vaccine_name=session['vaccine']
                            )
                            print("Availability on date {} in pincode {}".format(
                                DATE_TO_SEARCH, eachPincode
                            ))
                            available_centers.append(center_details)
        if len(available_centers) == 0:
            # print("No availability found and for age group more than {} in given pincodes".format(
            # AGE_LIMIT_SEARCH
            # ))
            print("sleeping ...")
            time.sleep(TIME_INTERVAL_IN_MINUTES * 60)
            continue

        message = "Subject: Vaccination Centers Available\n"
        for available_center in available_centers:
            current_center = "Date : {}, PinCode : {}, Center Name : {}, Block Name : {}, capacity: {}, vaccine : {}\n".format(
                available_center['date'], available_center['pincode'], available_center['name'],
                available_center['block_name'],
                available_center['available_capacity'], available_center['vaccine_name']
            )
            message = message + current_center
        print(message)

        smtp_server = "smtp.gmail.com"
        port = 587
        context = ssl.create_default_context()

        try:
            msg = MIMEMultipart()
            msg['From'] = sender_email
            msg['To'] = "[email protected]"
            msg['Subject'] = "Vaccination-Centers-Available"
            msg.attach(MIMEText(message, 'plain'))
            server = smtplib.SMTP(smtp_server, port)
            server.starttls(context=context)
            server.login(sender_email, password)
            server.sendmail(sender_email, "[email protected]", msg.as_string())
            print("Email Sent")
        except Exception as e:
            print("email sent error")
            print(e)
        finally:
            server.quit()
        print("sleeping ...")
        time.sleep(TIME_INTERVAL_IN_MINUTES * 60)