PacktPubClaimNotoficationWithDownload

#!/home/packt/env/bin/python

import emails # https://pypi.python.org/pypi/emails
from emails.template import JinjaTemplate as T
import freepacktbook # https://pypi.python.org/pypi/freepacktbook/1.0.2
import requests # https://pypi.python.org/pypi/requests/2.13.0


mail_from = 'your_address@domain.tld'
mail_to   = 'receiver_address@domain.tld'
mail_host = 'smpthost'
mail_port = 587
mail_user = 'userlogin'
mail_password = 'userpassword'
mail_tls = True
mail_ssl = False
packt_credentials = {'email': 'YourEMail', 'password': 'PASSWORD'}

smtp = {'ssl': mail_ssl, 'tls': mail_tls, 'host': mail_host, 'port': mail_port, 'user': mail_user, 'password': mail_password}
packt = freepacktbook.FreePacktBook(**packt_credentials)
book = packt.claim_free_ebook()
packt.book_formats = ['pdf']
book_url = book['book_url']
claim_url = book['claim_url']
title = book.get('title')
description = book['description']
image_url = book.get('image_url')
image_ext = image_url.split('.')[-1]
image = requests.get(image_url).content
pdf_url = packt.download_url % {'book_id': book['id'], 'format': 'pdf'}
pdf = packt.session.get(pdf_url).content # load in memory

tpl = T('''<!DOCTYPE html>
    <meta charset="utf-8">
    <html>
    <h1>{{ title  }}</h1>
    <p>{{ description  }}</p>
    <img src="cover.{{ image_ext  }}" alt="cover"><br />
    <ul>
    <li>Book URL: {{ book_url }}</li>
    <li>Claim URL: {{ claim_url  }}</li>
    <li>Download link: {{ pdf_url  }}</li>
    </ul>
    </html>''')

html = tpl.render(title=title,
    description=description,
    image_ext=image_ext,
    book_url=book_url,
    claim_url=claim_url,
    pdf_url=pdf_url)

msg = emails.Message(mail_to=mail_to, subject='Free PacktPub Claim', html=html)
msg.attach(data=image, filename='cover.{}'.format(image_ext), content_disposition='inline')
msg.attach(data=pdf, filename='{}.{}'.format(title, 'pdf'))
msg.transformer.synchronize_inline_images()
msg.transformer.save()
msg.send(mail_from=mail_from, smtp=smtp)