cowin slot

cowin.py

import os
import requests
import json
import datetime
import time
import sys

url = "https://cdn-api.co-vin.in/api/v2/appointment/sessions/public/calendarByDistrict"
headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:89.0) Gecko/20100101 Firefox/89.0"}


def sound():
    for _ in range(10):
        os.system('play -nq -t alsa synth 1 sine 440')
        time.sleep(1)

def main(argv):
    district_id = argv[1]
    age_limit = int(argv[2])
    while(1):
        d = datetime.date.today().strftime("%d-%m-%y")
        param = {"district_id":district_id,"date":d}
        resp = requests.get(url, params=param, headers=headers)
        try:
            data = resp.json()
        except Exception as e:
            print('JSON Decode error', e)
            continue  
        for center in data["centers"]:
            for session in center["sessions"]:
                if(int(session["available_capacity_dose1"])>0 and int(session["min_age_limit"])==age_limit):
                    print(center['address'])
                    print('Dose1 available', session["available_capacity_dose1"])
                    sound()                
        time.sleep(10)
                

if __name__ == "__main__":
   main(sys.argv)

This script checks only for dose1 availability, and plays a sound using sox.

Install sox using

sudo apt install sox

Run

python cowin.py <district ID> <18/45>