sms.py

# Dependencies - Requests, dateutil
# Python 2.7.15

# Expects a csv file's path containing volunteer details
# Fill in the credentials in line 55, and run the script

# Example usage:
# python2 path/to/sms.py path/to/csvFile.csv

import calendar
import csv
import sys

import requests
from dateutil import parser

csvFile = sys.argv[1]  # command line argument

if __name__ == "__main__":

    # csv file path not provided
    if len(sys.argv) < 1:
        sys.exit()

    # stores failed sms
    failed = open("Failed", "w")
    fin = open(csvFile, "r")

    # to avoid multiple sms to same mobile number
    mark = {}

    for fields in csv.reader(fin):

        sendID = fields[0]
        timestamp = fields[8]
        mobile = fields[3]

        if mobile in mark:
            continue
        mark[mobile] = 1

        if mobile.isdigit():
            try:
                # Converting timestamp to epoch
                timestamp = parser.parse(timestamp)
                timestamp = calendar.timegm(timestamp.utctimetuple())

                # Preparing unique URL
                url = "http://keralarescue.in/c/" + sendID + "/" + str(timestamp)[-4:]
                message = "Thank you for registering to volunteer. Please click here to confirm " + url

                payload = {
                    "username": "xxxxxxxx",
                    "password": "xxxxxxxx",
                    "message": message,
                    "numbers": mobile,
                }
                response = requests.get("http://api.esms.kerala.gov.in/fastclient/SMSclient.php", params=payload,)

            except KeyboardInterrupt:

                failed.write(mobile)
                sys.exit()

            except requests.RequestException:

                failed.write(mobile)

    fin.close()
    failed.close()