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AINewsPublisher.py
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AINewsPublisher.py
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# This file is part of NewsFinder.
# https://github.com/joshuaeckroth/AINews
#
# Copyright (c) 2011 by the Association for the Advancement of
# Artificial Intelligence. This program and parts of it may be used and
# distributed without charge for non-commercial purposes as long as this
# notice is included.
import feedparser
import PyRSS2Gen
import sys
import operator
from os import path, mkdir
from glob import glob
from random import shuffle
from subprocess import *
from datetime import date, datetime, timedelta
from AINewsTools import savefile
from AINewsConfig import config, paths, aitopic_urls
from AINewsDB import AINewsDB
from AINewsCorpus import AINewsCorpus
from AINewsDuplicates import AINewsDuplicates
from AINewsSVMClassifier import AINewsSVMClassifier
from AINewsTextProcessor import AINewsTextProcessor
from AINewsSummarizer import AINewsSummarizer
sys.path.append(paths['templates.compiled'])
from LatestNewsTxt import LatestNewsTxt
from LatestNewsEmail import LatestNewsEmail
from LatestNewsPmWiki import LatestNewsPmWiki
from ArticlePmWiki import ArticlePmWiki
from AllNewsPmWiki import AllNewsPmWiki
class AINewsPublisher():
def __init__(self):
self.debug = config['ainews.debug']
self.today = date.today()
self.earliest_date = self.today - timedelta(days = int(config['ainews.period']))
self.db = AINewsDB()
self.corpus = AINewsCorpus()
self.duplicates = AINewsDuplicates()
self.svm_classifier = AINewsSVMClassifier()
self.txtpro = AINewsTextProcessor()
self.summarizer = AINewsSummarizer()
self.articles = {}
self.published_articles = []
self.topicids = {"AIOverview":0, "Agents":1, "Applications":2,
"CognitiveScience":3, "Education":4,"Ethics":5,
"Games":6, "History":7, "Interfaces":8, "MachineLearning":9,
"NaturalLanguage":10, "Philosophy":11, "Reasoning":12,
"Representation":13, "Robots":14, "ScienceFiction":15,"Speech":16,
"Systems":17, "Vision":18}
def filter_and_process(self):
self.articles = self.corpus.get_unprocessed()
if len(self.articles) == 0: return
# assume every article will be published; may be set to False from one
# of the filtering processes below
for urlid in self.articles:
self.articles[urlid]['publish'] = True
self.articles[urlid]['transcript'] = []
# filter by date
for urlid in self.articles:
if self.articles[urlid]['pubdate'] < self.earliest_date:
self.articles[urlid]['publish'] = False
self.articles[urlid]['transcript'].append(
("Rejected because article is too old " +
"(earliest valid date is %s while article was " +
"published on %s") % (self.earliest_date.strftime('%F'),
self.articles[urlid]['pubdate'].strftime('%F')))
# filter by whitelist
for urlid in self.articles:
white_wordfreq = self.txtpro.whiteprocess(urlid,
self.articles[urlid]['content'])
self.articles[urlid]['white_wordfreq'] = white_wordfreq
# require at least two different whitelisted terms
# unless the article is user-submitted
if len(white_wordfreq) < 2 \
and self.articles[urlid]['publisher'] != 'UserSubmitted':
self.articles[urlid]['publish'] = False
self.articles[urlid]['transcript'].append(
'Rejected due to only one or no whitelisted terms')
# update categories based on SVM classifier predictions
self.svm_classifier.predict(self.articles)
# drop articles classified as 'NotRelated' unless the article
# is user-submitted
for urlid in self.articles:
if 'NotRelated' in self.articles[urlid]['categories'] \
and self.articles[urlid]['publisher'] != 'UserSubmitted':
self.articles[urlid]['publish'] = False
self.articles[urlid]['transcript'].append(
'Rejected due to NotRelated classification')
# drop articles with no categories (even if user-submitted)
for urlid in self.articles:
if len(self.articles[urlid]['categories']) == 0:
self.articles[urlid]['publish'] = False
self.articles[urlid]['transcript'].append(
'Rejected due to no selected categories')
for urlid in self.articles:
# update article in database
self.update_db(self.articles[urlid])
# filter out duplicates; some articles may have 'publish' set to False
# by this function
self.duplicates.filter_duplicates(self.articles)
# add article summaries
self.summarizer.summarize(self.corpus, self.articles)
for urlid in self.articles:
try:
print urlid, self.articles[urlid]['publish'], \
self.articles[urlid]['title'], \
self.articles[urlid]['categories'], \
self.articles[urlid]['summary']
print
except:
pass
# mark each as processed
self.corpus.mark_processed(self.articles)
# save sorted list of articles to be read by AINewsPublisher; sort by
# duplicate count (more = better), then relevance of source,
# then by number of categories (more = better)
unpublished_articles = sorted(
filter(lambda x: x['publish'], self.articles.values()),
cmp=lambda x,y: self.corpus.compare_articles(x, y),
reverse = True)
max_cat_count = int(config['publisher.max_cat_count'])
max_count = int(config['publisher.max_count'])
cat_counts = {}
for cat in self.corpus.categories:
cat_counts[cat] = 0
# choose stories such that no category has more than max_cat_count
# members and no more than max_count stories have been selected
# (independent of category); only one of the article's categories needs
# to have "free space"
self.published_articles = []
for article in unpublished_articles:
if len(self.published_articles) == max_count:
break
free_cat = False
for cat in article['categories']:
if cat_counts[cat] < max_cat_count:
free_cat = True
break
if free_cat:
self.published_articles.append(article)
self.articles[article['urlid']]['transcript'].append('Published')
self.articles[article['urlid']]['published'] = True
for cat in article['categories']:
cat_counts[cat] += 1
# update published articles in db
self.corpus.mark_published(self.published_articles)
self.semiauto_email_output = ""
def update_db(self, article):
self.db.execute("delete from categories where urlid = %s", article['urlid'])
for cat in article['categories']:
self.db.execute("insert into categories values (%s,%s)",
(article['urlid'], cat))
def generate_standard_output(self):
"""
Generate the stanard output for debuging on screen.
"""
txt = LatestNewsTxt()
txt.news = self.published_articles
savefile(paths['ainews.output'] + "std_output.txt", str(txt))
def generate_email_output(self):
"""
Generate the output for email format.
"""
email = LatestNewsEmail()
email.date = self.today.strftime("%B %d, %Y")
email.year = self.today.strftime("%Y")
email.news = self.published_articles
email.aitopic_urls = aitopic_urls
email.topicids = self.topicids
email_output = str(email)
savefile(paths['ainews.output'] + "email_output.txt", email_output)
self.semiauto_email_output = email_output
def generate_pmwiki_output(self):
"""
Genereate the output with PmWiki page format. It needs to be further
processed by AINewsPmwiki.php.
"""
pmwiki = LatestNewsPmWiki()
pmwiki.date = self.today.strftime("%B %d, %Y")
pmwiki.year = self.today.strftime("%Y")
pmwiki.news = self.published_articles
pmwiki.rater = True
savefile(paths['ainews.output'] + "pmwiki_output.txt", str(pmwiki))
pmwiki.rater = False
savefile(paths['ainews.output'] + "pmwiki_output_norater.txt", str(pmwiki))
pmwiki_all = AllNewsPmWiki()
pmwiki_all.date = self.today.strftime("%B %d, %Y")
pmwiki_all.year = self.today.strftime("%Y")
pmwiki_all.news = self.articles.values()
savefile(paths['ainews.output'] + "pmwiki_all.txt", str(pmwiki_all))
# Generate wiki metadata page for each article
urlids_output = ""
for urlid in self.articles:
urlids_output += str(urlid) + '\n'
article_wiki = ArticlePmWiki()
article_wiki.year = self.today.strftime("%Y")
article_wiki.dupthreshold = float(config['duplicates.threshold'])
article_wiki.n = self.articles[urlid]
savefile(paths['ainews.output'] + "aiarticles/%d" % urlid,
str(article_wiki))
savefile(paths['ainews.output'] + "urlids_output.txt", urlids_output)
def publish_email(self):
"""
Call AINewsEmail.php to send email through PHP Mail Server
"""
#cmd = 'php AINewsEmail.php'
#Popen(cmd, shell = True, stdout = PIPE, stderr = STDOUT).communicate()
self.publish_email_semiauto()
def publish_email_semiauto(self):
"""
Create an AINewsSemiAutoEmail.html file for admin to click and semi-auto
send it to the subscriber list.
"""
semiauto = """
<html>
<body>
<h1>AI Alert - SemiAuto Sender</h1>
<form action="http://aaai.org/cgi-dada/mail.cgi?flavor=send_email" method='post'>
<!-- <form action="welcome.php" method="post"> -->
<input type='hidden' name='f' value='send_email' />
<input type='hidden' name='process' value='true' />
<input type='hidden' name='admin_list' value='alert' />
<input type='hidden' name='message_subject' value="%s" />
<input type='hidden' name='email_format' value='HTML' />
<textarea type='hidden' name="text_message_body">%s</textarea>
<input type='submit' value='Submit Mailing List Message' />
</form>
</body>
</html>
""" % ("AI Alert - "+str(self.today.strftime("%B %d, %Y")), self.semiauto_email_output)
savefile(paths['ainews.html'] + "semiauto_email.html", semiauto)
def publish_pmwiki(self):
"""
Call AINewsPmwiki.php to publish latest news to AAAI Pmwiki website.
"""
cmd = 'php AINewsPmwiki.php'
Popen(cmd, shell = True).wait()
def update_rss(self):
rssitems = []
# insert latest news into rssitems
for article in self.published_articles:
rssitems.append(PyRSS2Gen.RSSItem(
title = article['title'],
link = article['url'],
description = article['summary'],
guid = PyRSS2Gen.Guid(article['url']),
pubDate = datetime(article['pubdate'].year, \
article['pubdate'].month, article['pubdate'].day)))
rssfile = paths['ainews.rss'] + "news.xml"
publish_rss(rssfile, rssitems)
topicrsses = ['overview', 'agent', 'apps', 'cogsci', 'edu', 'ethsoc',
'game', 'hist', 'interf', 'ml', 'nlp', 'phil', 'reason',
'rep', 'robot', 'scifi', 'speech', 'systems', 'vision']
topicitems = []
for i in range(len(topicrsses)):
topicitems.append([])
for article in self.published_articles:
for cat in article['categories']:
topicid = self.topicids[cat]
topicitems[topicid].append(PyRSS2Gen.RSSItem(
title = article['title'],
link = article['url'],
description = article['summary'],
guid = PyRSS2Gen.Guid(article['url']),
pubDate = datetime(article['pubdate'].year, \
article['pubdate'].month, article['pubdate'].day)))
for i in range(len(topicrsses)):
rssfile = paths['ainews.rss'] + topicrsses[i]+'.xml'
if len(topicitems[i]) != 0:
publish_rss(rssfile, topicitems[i])
def publish_rss(rssfile, rssitems):
now = datetime.now()
rss_begindate = now - timedelta(days = 60)
f = feedparser.parse(rssfile)
urlset = set(map(lambda e: e.link, rssitems))
# remove out-of-date news and add rest of the news into rssitems
for entry in f.entries:
if not entry.has_key('updated_parsed'): continue
d = datetime(entry.date_parsed[0], \
entry.date_parsed[1], entry.date_parsed[2])
if d > now or d < rss_begindate: continue
if entry.link in urlset: continue
urlset.add(entry.link)
rssitems.append( PyRSS2Gen.RSSItem(
title = entry.title,
link = entry.link,
description = entry.description,
guid = PyRSS2Gen.Guid(entry.link),
pubDate = d))
rssitems = sorted(rssitems, key=lambda e: e.pubDate, reverse=True)
# Use PyRSS2Gen to generate the output RSS
rss = PyRSS2Gen.RSS2(
title = f.channel.title,
link = f.channel.link,
description = f.channel.description,
lastBuildDate = now,
language = 'en-us',
webMaster = "aitopics08@aaai.org (AI Topics)",
items = rssitems)
rss.write_xml(open(rssfile, "w"))