#!/usr/bin/env python
"""
agg04_emailsubs.py
Poll subscriptions and email each new entry as a separate message.
"""
import sys, time, feedparser, shelve, md5, time
from agglib import UNICODE_ENC, openDBs, closeDBs
from agglib import getNewFeedEntries, writeAggregatorPage
import smtplib
from email.MIMEText import MIMEText
from email.MIMEMultipart import MIMEMultipart
FROM_ADDR = "you@your-address.com"
TO_ADDR = "you@your-address.com"
SUBJECT = "[agg04] %(feed.title)s :: %(entry.title)s"
SMTP_HOST = "localhost"
FEEDS_FN = "feeds.txt"
UNICODE_ENC = "utf-8"
FEED_DB_FN = "feeds_db"
ENTRY_DB_FN = "entry_seen_db"
def main():
"""
Poll subscribed feeds and email out entries.
"""
feed_db, entry_db = openDBs(FEED_DB_FN, ENTRY_DB_FN)
feeds = [ x.strip() for x in open(FEEDS_FN, "r").readlines() ]
entries = getNewFeedEntries(feeds, feed_db, entry_db)
if len(entries) > 0:
emailEntries(FROM_ADDR, TO_ADDR, SUBJECT, SMTP_HOST, entries)
closeDBs(feed_db, entry_db)
def emailEntries(from_addr, to_addr, subj, smtp_host, entries):
"""
Given a from address, to address, a subject template, SMTP host,
and a list of entries, construct an email message via template for
each entry and send it off using the given header values.
"""
for entry in entries:
# Build a subject line for the current feed entry.
curr_subj = subj % entry
# Begin building the email message.
msg = MIMEMultipart()
msg['To'] = to_addr
msg['From'] = from_addr
msg['Subject'] = curr_subj
msg.preamble = "You would not see this in a MIME-aware mail reader.\n"
msg.epilogue = ""
# Generate a plain text alternative part.
plain_text = """
This email contains entries from your subscribed feeds in HTML.
"""
part = MIMEText(plain_text, "plain", UNICODE_ENC)
msg.attach(part)
# Generate the aggregate HTML page, read in the HTML data, attach it
# as another part of the email message.
out = []
out.append(FEED_HDR_TMPL % entry)
out.append(ENTRY_TMPL % entry)
html_text = PAGE_TMPL % "".join(out)
part = MIMEText(html_text, "html", UNICODE_ENC)
msg.attach(part)
# Finally, send the whole thing off as an email message.
print "Sending email '%s' to '%s'" % (curr_subj, to_addr)
s = smtplib.SMTP(smtp_host)
s.sendmail(from_addr, to_addr, msg.as_string())
s.close()
# Presentation templates for output follow:
FEED_HDR_TMPL = """
"""
ENTRY_TMPL = """
%(entry.summary)s
%(content)s
"""
PAGE_TMPL = """
%s
"""
if __name__ == "__main__": main()