Download Smart Meter stats from https://myaccount.esbnetworks.ie

esb_smart_meter_stats.py

#!/usr/bin/env python3

import requests
from bs4 import BeautifulSoup
import re
import json
from datetime import datetime, timedelta, timezone

def load_esb_data(user, password, mpnr, start_date):
  s = requests.Session()
  s.headers.update({
    'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36',
  })    
  
  login_page = s.get('https://myaccount.esbnetworks.ie/', allow_redirects=True)
  result = re.findall(r"(?<=var SETTINGS = )\S*;", str(login_page.content))
  settings = json.loads(result[0][:-1])
      
  s.post(
    'https://login.esbnetworks.ie/esbntwkscustportalprdb2c01.onmicrosoft.com/B2C_1A_signup_signin/SelfAsserted?tx=' + settings['transId'] + '&p=B2C_1A_signup_signin', 
    data={
      'signInName': user, 
      'password': password, 
      'request_type': 'RESPONSE'
    },
    headers={
      'x-csrf-token': settings['csrf'],
    },
    allow_redirects=False)
  
  confirm_login = s.get(
    'https://login.esbnetworks.ie/esbntwkscustportalprdb2c01.onmicrosoft.com/B2C_1A_signup_signin/api/CombinedSigninAndSignup/confirmed',
    params={
      'rememberMe': False,
      'csrf_token': settings['csrf'],
      'tx': settings['transId'],
      'p': 'B2C_1A_signup_signin',
    }
  )
  
  soup = BeautifulSoup(confirm_login.content, 'html.parser')
  form = soup.find('form', {'id': 'auto'})
  
  s.post(
    form['action'],
    allow_redirects=False,
    data={
      'state': form.find('input', {'name': 'state'})['value'],
      'client_info': form.find('input', {'name': 'client_info'})['value'],
      'code': form.find('input', {'name': 'code'})['value'],
    }, 
  )
  
  data = s.get('https://myaccount.esbnetworks.ie/datahub/GetHdfContent?mprn=' + mpnr + '&startDate=' + start_date.strftime('%Y-%m-%d'))
  return data.json()

def parse_date(date_str):
  if len(date_str) == 19:
      return datetime.strptime(date_str, '%Y-%m-%dT%H:%M:%S')
  else:
      dt = datetime.strptime(date_str[:19], '%Y-%m-%dT%H:%M:%S')
      tz_offset = int(date_str[-6:-3])
      tz = timezone(timedelta(hours=tz_offset))
      return dt.replace(tzinfo=tz)

def load_smart_meter_stats_v2(user, password, mpnr):
  last_month = datetime.today() - timedelta(days=30)
  smart_meter_data = load_esb_data(user, password, mpnr, last_month)
  result = {}
  
  for item in smart_meter_data['imports']:
    # https://www.esbnetworks.ie/help-centre/esb-networks-online-account-faqs/your-energy-consumption
    result[parse_date(item['x'])] = item['y'] * 0.5
  
  return result

mpnr = ""
user = ""
password = ""

print(load_smart_meter_stats_v2(user, password, mpnr))

Really great!