Added Python script to claim PACKT's free ebook of the day.

CONFIG.example

@@ -12,3 +12,7 @@ RUNTASTIC_USER_URL="markus-birth"
 
 # Create a new app on https://pushover.net/apps/build and enter API Token here
 RUNTASTIC_PUSHOVER_TOKEN="0123456...PushOver App Token...6789abcdef"
+
+# Login for packtclaim.py
+PACKT_LOGIN    = anon@example.org
+PACKT_PASSWORD = 1234567

packtclaim.py

@@ -0,0 +1,38 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# Needs grab, pip3 install -U grab
+
+import configparser
+import logging
+from grab import Grab
+from io import StringIO
+
+config_str = '[DEFAULT]\n' + open('CONFIG', 'r').read()
+config_fp  = StringIO(config_str)
+
+c = configparser.RawConfigParser()
+c.readfp(config_fp)
+
+logging.basicConfig(level=logging.DEBUG)
+
+g = Grab()
+g.setup(follow_location=True)
+g.setup(follow_refresh=True)
+g.go('https://www.packtpub.com/packt/offers/free-learning')
+g.doc.save('/tmp/free-learning.html')
+g.doc.choose_form(id='packt-user-login-form')
+login = c.get('DEFAULT', 'PACKT_LOGIN')
+print("Logging in with account: {}".format(login))
+g.doc.set_input('email', c.get('DEFAULT', 'PACKT_LOGIN'))
+g.doc.set_input('password', c.get('DEFAULT', 'PACKT_PASSWORD'))
+g.doc.submit()
+g.doc.save('/tmp/free-learning-after-login.html')
+g.doc.text_assert('"sid":')
+g.doc.text_assert('Claim Your Free eBook')
+claim_url = g.doc.select('//a[@class="twelve-days-claim"]/@href').text()
+print("Claim URL: " + claim_url)
+g.go(claim_url)
+g.doc.save('/tmp/free-learning-after-claim.html')
+g.doc.text_assert('<h1>My eBooks </h1>')
+print("Claim successful.")