#!/usr/bin/env python
"""
agg03_pollsubs.py
Poll subscriptions and email an aggregate HTML page.
"""
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 = "New news for you!"
SMTP_HOST = "localhost"
FEEDS_FN = "feeds.txt"
HTML_FN = "aggregator-%s.html"
FEED_DB_FN = "feeds_db"
ENTRY_DB_FN = "entry_seen_db"
def main():
"""
Poll subscribed feeds and produce aggregator page.
"""
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:
out_fn = HTML_FN % time.strftime("%Y%m%d-%H%M%S")
writeAggregatorPage(entries, out_fn, DATE_HDR_TMPL, FEED_HDR_TMPL,
ENTRY_TMPL, PAGE_TMPL)
emailAggregatorPage(FROM_ADDR, TO_ADDR, SUBJECT, SMTP_HOST, out_fn)
closeDBs(feed_db, entry_db)
def emailAggregatorPage(from_addr, to_addr, subj, smtp_host, out_fn):
"""
Read in the HTML page produced by an aggregator run, construct a
MIME-Multipart email message with the HTML attached, and send it off
with the given from, to, and subject headers using the specified
SMTP mail server.
"""
# Begin building the email message.
msg = MIMEMultipart()
msg['To'] = to_addr
msg['From'] = from_addr
msg['Subject'] = subj
msg.preamble = "You need 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.
html_text = open(out_fn).read()
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'" % (subj, to_addr)
s = smtplib.SMTP(smtp_host)
s.sendmail(from_addr, to_addr, msg.as_string())
s.close()
# Presentation templates for output follow:
DATE_HDR_TMPL = """