#!/usr/bin/env python # -*- encoding: utf-8 -*- """Send cleaned up versions of a web page to a Kindle. http://alexwlchan.net/2016/06/reading-web-pages-on-my-kindle/ Requires Python 3. """ import inspect import contextlib from email import encoders from email.mime.base import MIMEBase from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText import os import re import tempfile import smtplib import sys import requests try: # Pythonista on iOS import appex import keychain as keyring except ImportError: import keyring #: API key for the Instaparser API API_KEY = 'abcdef123456' #: Email address for sending documents to your Kindle. KINDLE_ADDR = 'send.to.kindle.address@kindle.com' #: Username/password for the FastMail SMTP client USERNAME = keyring.get_password('fastmail', 'username') PASSWORD = keyring.get_password('fastmail', 'password') def get_html_from_url(url): """Scrapes a URL for HTML; returns the saved HTML file.""" req = requests.get('https://www.instaparser.com/api/1/article', params={'api_key': API_KEY, 'url': url}) if req.status_code != requests.codes.ok: raise RuntimeError("Unexpected error from the Instaparser API: %s"% req.status_code) title = re.sub(u'[–—/:;,.]', '-', req.json()['title']) text = req.json()['html'].encode('ascii', 'xmlcharrefreplace') tmpdir = tempfile.mkdtemp() path = os.path.join(tmpdir, '%s.html' % title.replace('"', '\'')) with open(path, 'wb') as outfile: outfile.write(b"%s" % text) return path class FastMailSMTP(smtplib.SMTP_SSL): """A wrapper for handling SMTP connections to FastMail.""" def __init__(self, username, password): super().__init__('mail.messagingengine.com', port=465) self.login(username, password) def send_message(self, *, from_addr, to_addrs, msg, subject, attachments=None): msg_root = MIMEMultipart() msg_root['Subject'] = subject msg_root['From'] = from_addr msg_root['To'] = ', '.join(to_addrs) msg_alternative = MIMEMultipart('alternative') msg_root.attach(msg_alternative) msg_alternative.attach(MIMEText(msg)) if attachments: for attachment in attachments: prt = MIMEBase('application', "octet-stream") prt.set_payload(open(attachment, "rb").read()) encoders.encode_base64(prt) prt.add_header( 'Content-Disposition', 'attachment; filename="%s"' % attachment.replace('"', '')) msg_root.attach(prt) self.sendmail(from_addr, to_addrs, msg_root.as_string()) def send_html_page_to_kindle(url, html_file): """Sends an email with the HTML file attached to your Kindle address.""" with FastMailSMTP(USERNAME, PASSWORD) as server: server.send_message(from_addr="alex@alexwlchan.net", to_addrs=[KINDLE_ADDR], msg="", subject="[autogen] Kindle email for %s" % url", attachments=[html_file]) def main(): try: url = appex.get_url() except NameError: url = sys.argv[1] html_file = get_html_from_url(url) send_html_page_to_kindle(url, html_file) try: appex.finish() except NameError: sys.exit(0) if __name__ == '__main__': main()