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@randylubin

randylubin/lambda.py

Last active Jul 24, 2017
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Send sweet nothings with Lambda and Twilio
import base64
import json
import os
import urllib
import random
from urllib import request, parse
TWILIO_SMS_URL = "https://api.twilio.com/2010-04-01/Accounts/{}/Messages.json"
TWILIO_ACCOUNT_SID = os.environ.get("TWILIO_ACCOUNT_SID")
TWILIO_AUTH_TOKEN = os.environ.get("TWILIO_AUTH_TOKEN")
MY_NUMBER = os.environ.get("MY_NUMBER")
PARTNERS_NUMBER = os.environ.get("PARTNERS_NUMBER")
def lambda_handler(event, context):
# this determines the average frequency of that that the message is sent .075 means that roughly 1/13 times it will send
send_this_time = random.random() < 0.075
to_number = PARTNERS_NUMBER
from_number = MY_NUMBER
# add your own sweet nothings to this array
message_list = [
"I love you!",
"I am so lucky to have you in my life!"
]
# put your own name, sign-offs, pet names in this list
sign_off_list = [
"Randy",
"Fiancee"
]
body = random.choice(message_list) + " -" + random.choice(sign_off_list)
if not send_this_time:
return "RNG says no"
elif not TWILIO_ACCOUNT_SID:
return "Unable to access Twilio Account SID."
elif not TWILIO_AUTH_TOKEN:
return "Unable to access Twilio Auth Token."
elif not to_number:
return "The function needs a 'To' number in the format +12023351493"
elif not from_number:
return "The function needs a 'From' number in the format +19732644156"
elif not body:
return "The function needs a 'Body' message to send."
# insert Twilio Account SID into the REST API URL
populated_url = TWILIO_SMS_URL.format(TWILIO_ACCOUNT_SID)
post_params = {"To": to_number, "From": from_number, "Body": body}
# encode the parameters for Python's urllib
data = parse.urlencode(post_params).encode()
req = request.Request(populated_url)
# add authentication header to request based on Account SID + Auth Token
authentication = "{}:{}".format(TWILIO_ACCOUNT_SID, TWILIO_AUTH_TOKEN)
base64string = base64.b64encode(authentication.encode('utf-8'))
req.add_header("Authorization", "Basic %s" % base64string.decode('ascii'))
try:
# perform HTTP POST request
with request.urlopen(req, data) as f:
print("Twilio returned {}".format(str(f.read().decode('utf-8'))))
except Exception as e:
# something went wrong!
return e
return "SMS sent successfully!"
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