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jimtjimt
committedJan 28, 2015
copy of webnews archive from Starship Python
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‎.gitignore

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# compiled python
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*.py[co]
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build
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build-stamp
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# editor debris
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*~
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.#*
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._*
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.*.sw?
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# OS debris
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.DS_Store
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# ignore temp/state files
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.netrwhist
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#
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node_modules
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# don't include the sag couch library
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sag*
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# don't include the configuration file
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options.json
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tools/docopt
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‎LICENSE

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The MIT License
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Copyright (c) 1995-1997 Jim Tittsler http://tittsler.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.

‎README.md

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# webnews - a web-based newsreader
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Some of the members of the
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[Tokyo PC Users Group](http://tokyopc.org/) complained
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that they couldn't access our local
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[newsgroups](http://tokyopc.org/tpc/newsgroups.html)
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through their firewall, so I put together a
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[PCGI](http://starship.python.net/crew/jbauer/persistcgi/index.html)
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program that queries the NNTP server and builds
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[simple HTML pages](<http://www.tokyopc.org/cgi-bin/webnews/newsgroup?G=tpc.list)
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on the fly.
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## License: MIT

‎backupfile.py

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import os
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def backupfile(filename, extension=".bak"):
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""" create a backupfile, returning (fin, fout) renaming original """
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backname = filename+extension
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try:
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os.remove(backname)
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except:
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pass # maybe nothing to delete
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os.rename(filename, backname)
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try:
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fin = open(backname, "r")
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except:
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print "Unable to open input file: %s" % backname
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try:
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fout = open(filename, "w")
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except:
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print "Unable to create output file: %s" % filename
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return (fin, fout)

‎ngupdate

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#! /usr/bin/python
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# -*- python -*-
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# $Id: ngupdate,v 1.3 1998/04/10 08:06:55 tpc Exp tpc $
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#
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# 1997.11.21 7j1ajh@amsat.org add Expires header to newsgroups.html
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# 1997.11.20 7j1ajh@amsat.org update newsgroups.html to show activity
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# 1998.04.02 7j1ajh@amsat.org fix row matching regex so that it finds rows
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# with <FONT></FONT> in them
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import sys, os, string, time, cgi, regex
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from nntplib import NNTP
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from time import ctime, time, localtime, strftime, asctime, gmtime
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from backupfile import backupfile
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# number of seconds until the HTML page 'expires'
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valid_secs = 60*60*12 # 12 hours
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# news server authentication
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user = 'account'
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password = 'password'
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NEWS_SERVER = 'news.tpc.ml.org'
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#NEWS_SERVER = 'pengu.mww.dyn.ml.org'
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filenames = ('/home/tpc/www/tpc/newsgroups.html',
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'/home/tpc/www/member/newsgroups.html',
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'/home/tpc/www/exec/newsgroups.html')
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#filename = '/home/jwt/newsgroups.html'
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def do_update(filename):
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try:
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news = NNTP(NEWS_SERVER)
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except:
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print "Can not open news server:", NEWS_SERVER
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raise SystemExit
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try:
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resp = news.shortcmd('MODE READER')
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except:
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print "Can not communicate with server:", NEWS_SERVER
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raise SystemExit
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resp = news.shortcmd('authinfo user '+user)
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if resp[:3] != '381':
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raise SystemExit
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resp = news.shortcmd('authinfo pass '+password)
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if resp[:3] != '281':
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raise SystemExit
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(fin, fout) = backupfile(filename)
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nowsecs = time()
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newstime = strftime("%H%M%S", localtime(nowsecs))
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datem1 = strftime("%y%m%d", localtime(nowsecs - (60*60*24)))
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datem7 = strftime("%y%m%d", localtime(nowsecs - (60*60*24*7)))
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datem21 = strftime("%y%m%d", localtime(nowsecs - (60*60*24*21)))
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# copy the page up to the table comment
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while 1:
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line = fin.readline()
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if line == '': break
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if string.find(line, 'HTTP-EQUIV="Expires"') >= 0:
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fout.write('<META HTTP-EQUIV="Expires" CONTENT="%s"\n' % asctime(gmtime(nowsecs + valid_secs)))
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else:
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fout.write(line)
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if string.find(line, "##newsgroups table") >= 0: break
66+
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row = regex.symcomp('<TR><TD>.*</TD>\(<lead><TD>[^:]*://news.tpc.ml.org/\)\(<newsgroup>[^"]+\)\(<rest>.*\)')
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while 1:
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line = fin.readline()
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if line == '': break
72+
if string.find(line, "</TABLE>") >= 0:
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break
74+
75+
if row.search(line) >= 0:
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newsgroup = row.group('newsgroup')
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idsm1 = 0
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idsm7 = 0
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idsm21 = 0
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try:
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resp, idsm1 = news.newnews(newsgroup, datem1, newstime)
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resp, idsm7 = news.newnews(newsgroup, datem7, newstime)
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resp, idsm21 = news.newnews(newsgroup, datem21, newstime)
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except:
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print "no such newsgroup:", newsgroup
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fontm1 = ""
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fontm1e = ""
89+
fontm7 = ""
90+
fontm7e = ""
91+
if len(idsm1)>3:
92+
fontm1 = '<FONT COLOR="#FF0000">'
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fontm1e = '</FONT>'
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if len(idsm7)>10:
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fontm7 = '<FONT COLOR="#800000">'
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fontm7e = '</FONT>'
97+
line = "<TR><TD>%s%d%s/%s%d%s/%d</TD>%s%s%s\n" % (fontm1, len(idsm1), fontm1e, fontm7, len(idsm7), fontm7e, len(idsm21), row.group('lead'), newsgroup, row.group('rest'))
98+
fout.write(line)
99+
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# close the table and indicate update time
101+
fout.write("</TABLE><P>Last updated: %s</P>\n" % ctime(time()))
102+
103+
while 1:
104+
line = fin.readline()
105+
if line == '': break
106+
fout.write(line)
107+
108+
fin.close()
109+
fout.close()
110+
111+
for filename in filenames:
112+
do_update(filename)
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‎pcgiwebnews.py

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#!/usr/bin/python
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# pcgiwebnews.py - PCGI version of WebNews
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# 1997.09.27 Jim.Tittsler@tpc.ml.org
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# 1998.07.24 Jim.Tittsler@tpc.ml.org converted to PCGI
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"""Tokyo PC Users Group WebNews reader by Jim Tittsler"""
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import sys, os, string, time, cgi, re
8+
from nntplib import NNTP
9+
from urllib import quote
10+
from rfc822 import parseaddr, parsedate
11+
12+
print "Content-type: text/html"
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print
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NEWS_SERVER = 'news.tpc.ml.org'
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#NEWS_SERVER = 'pengu.mww.dyn.ml.org'
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default_show_articles = 30 # number of article headers to show on first entry
18+
NewsError = "Error communicating with server"
19+
20+
logo_html = """<HTML><HEAD></HEAD><BODY BGCOLOR="#FFFFFF">
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<A HREF="http://www.tpc.ml.org/" TARGET="_top"><IMG SRC="/tpc/images/tpcsml.gif" BORDER="0" ALT="TPC" ALIGN=LEFT></A>
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<B><FONT SIZE=+1>Tokyo PC</FONT></B>
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<B><FONT SIZE=+1>Users Group</FONT></B>
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<BR CLEAR=LEFT>
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<B><FONT SIZE="+1">%s</FONT></B><BR>
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<EM>%s</EM><P>
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<A HREF="mailto:%s@tpc.ml.org">Post new article</A><BR>
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<A HREF="http://www.tpc.ml.org/" TARGET="_top">[Home]</A>&nbsp;
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<A HREF="http://www.tpc.ml.org/tpc/newsgroups.html" TARGET="_top">[Newsgroups]</A>
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</BODY></HTML>"""
31+
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ttalk_logo_html = """<HTML><HEAD></HEAD><BODY BGCOLOR="#FFFFFF">
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<A HREF="http://www.ttalk.com/" TARGET="_top"><IMG SRC="http://ttalk.soholutions.com/images/tt.gif" BORDER="0" ALT="TTalk" ALIGN=LEFT WIDTH=59 HEIGHT=42></A>
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<B><FONT SIZE=+1>TTalk</FONT></B>
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<B>Broadcasting</B>
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<BR CLEAR=LEFT>
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<B><FONT SIZE="+1">%s</FONT></B><BR>
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<EM>%s</EM><P>
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<A HREF="mailto:%s@ttalk.soholutions.com">Post new article</A><BR>
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<A HREF="http://www.ttalk.com/" TARGET="_top">[Home]</A>&nbsp;
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<A HREF="http://ttalk.soholutions.com/%s" TARGET="_top">[Newsgroups]</A>
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</BODY></HTML>"""
43+
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interesting_headers = re.compile(r"""
45+
((?P<from>From:)
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|(?P<newsgroups>Newsgroups:\ tpc\.(?P<group>[-0-9a-zA-z\.]+)(?P<othergroups>.*))
47+
|(?P<subject>Subject:\ (?P<re>re:\s?)?(?P<real_subject>.*))
48+
|(?P<keep>Date:))""", re.X | re.I)
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50+
def logo(G="", D=""):
51+
"""The logo pane for the TPC WebNews reader"""
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# turn the newsgroup name into a mailing list name by changing first . to -
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if string.find(G, "ttalk") >= 0:
54+
if string.find(G, "staff") >= 0:
55+
return ttalk_logo_html % (G, D, string.replace(G, '.', '-'), "staff")
56+
else:
57+
return ttalk_logo_html % (G, D, string.replace(G, '.', '-'), "")
58+
else:
59+
return logo_html % (G, D, string.replace(G, '.', '-'))
60+
61+
def show_article_and_kids(index, depth, lines, childof,
62+
acc_string, pass_string, RESPONSE):
63+
art_nr, subject, poster, date, id, references, size, line_cnt = lines[index]
64+
name, email = parseaddr(poster)
65+
RESPONSE.write('<LI><A HREF="http:/cgi-bin/webnews/readnews?I=%s%s%s" TARGET="d">%s</A> (%s) %s, %s' % (quote(id), acc_string, pass_string, cgi.escape(subject), line_cnt, name, time.strftime('%b %d, %H:%M', parsedate(date))))
66+
if index in childof:
67+
RESPONSE.write('<UL>')
68+
for i in range(len(lines)):
69+
if childof[i] == index:
70+
show_article_and_kids(i, depth+1, lines, childof,
71+
acc_string, pass_string, RESPONSE)
72+
RESPONSE.write('</UL>')
73+
74+
def newsgroup(G='', F='', C='', A=None, P=None, RESPONSE=None):
75+
"""The article list for group G in framestyle F"""
76+
if G=='': return "Missing newsgroup name."
77+
group = G
78+
showframes = 1
79+
show_articles = default_show_articles
80+
if os.environ.has_key('HTTP_USER_AGENT'):
81+
browser = os.environ['HTTP_USER_AGENT']
82+
else:
83+
browser = "unknown"
84+
if string.find(browser, "Mozilla/") == 0:
85+
browser_version = string.atof(browser[8:string.index(browser, ' ')])
86+
if browser_version >= 2.00:
87+
showframes = 3
88+
if F != '':
89+
try:
90+
showframes = string.atoi(F)
91+
except AttributeError:
92+
showframes = 0
93+
if C != '':
94+
try:
95+
show_articles = string.atoi(C)
96+
except AttributeError:
97+
show_articles = default_show_articles
98+
99+
user = A
100+
acc_string = ''
101+
if A: acc_string = '&A=' + A
102+
password = P
103+
pass_string = ''
104+
if P: pass_string = '&P=' + P
105+
106+
lines = []
107+
RESPONSE.headers['expires'] = time.asctime(time.gmtime(time.time() + 60))
108+
RESPONSE.write( """<HTML><HEAD><TITLE>Tokyo PC Users Group: %s</TITLE></HEAD>""" % group)
109+
try:
110+
try:
111+
news = NNTP(NEWS_SERVER)
112+
except:
113+
RESPONSE.write( "<BODY><B>Can not connect to server:</B> ", NEWS_SERVER)
114+
raise NewsError
115+
116+
try:
117+
resp = news.shortcmd('MODE READER')
118+
except:
119+
RESPONSE.write( "<BODY><B>Can not communicate with server:</B> ", NEWS_SERVER)
120+
raise NewsError
121+
122+
if user:
123+
resp = news.shortcmd('authinfo user '+user)
124+
if resp[:3] == '381':
125+
if not password:
126+
RESPONSE.write( "<BODY><B>Can not fetch newsgroup</B>")
127+
raise NewsError
128+
else:
129+
resp = news.shortcmd('authinfo pass '+password)
130+
if resp[:3] != '281':
131+
RESPONSE.write( "<BODY><B>Can not fetch newsgroup</B>")
132+
raise NewsError
133+
134+
try:
135+
resp, count, first, last, name = news.group(group)
136+
except:
137+
RESPONSE.write( "<BODY><B>No such newsgroup:</B> " + group )
138+
raise NewsError
139+
140+
description = ""
141+
try:
142+
resp, lines = news.xgtitle(group)
143+
except:
144+
pass
145+
else:
146+
for line in lines:
147+
name, description = line
148+
149+
if showframes == 0:
150+
RESPONSE.write( '<BODY BGCOLOR="#FFFFFF"><H1>%s</H1>' % group)
151+
RESPONSE.write( "<EM>%s</EM><P>" % cgi.escape(description))
152+
elif showframes == 1 or showframes == 3:
153+
if description: description = "&D="+quote(description)
154+
RESPONSE.write( '<FRAMESET ROWS="33%,*">')
155+
RESPONSE.write( ' <FRAMESET COLS="220,*">')
156+
RESPONSE.write( ' <FRAME SRC="/cgi-bin/webnews/logo?G=%s%s" scrolling="auto">' % (group, description))
157+
RESPONSE.write( ' <FRAME SRC="/cgi-bin/webnews/newsgroup?G=%s&F=2%s%s#last" scrolling="yes"> ' % (group, acc_string, pass_string))
158+
RESPONSE.write( ' </FRAMESET>')
159+
if string.find(G, "ttalk") >= 0:
160+
RESPONSE.write( ' <FRAME SRC="http://ttalk.soholutions.com/welcome.html" scrolling="auto" name="d">')
161+
else:
162+
RESPONSE.write( ' <FRAME SRC="/webnews/welcome.html" scrolling="auto" name="d">')
163+
RESPONSE.write( '</FRAMESET><BODY BGCOLOR="#FFFFFF">')
164+
else:
165+
RESPONSE.write( '<BODY BGCOLOR="#FFFFFF">')
166+
167+
if showframes == 3:
168+
raise NewsError
169+
170+
if (show_articles > 0):
171+
ilast = string.atoi(last)
172+
ifirst = string.atoi(first)
173+
if ((ilast - ifirst + 1) > show_articles):
174+
first = "%d" % (ilast - show_articles + 1)
175+
RESPONSE.write( '<A HREF="/cgi-bin/webnews/newsgroup?G=%s&F=%d&C=0%s%s"><I>Retrieve earlier article headers</I></A> ' % (group, showframes, acc_string, pass_string))
176+
177+
try:
178+
resp, lines = news.xover(first, last)
179+
except:
180+
RESPONSE.write( "<B>Unable to get article list for:</B> " + group)
181+
raise NewsError
182+
183+
RESPONSE.write( '<UL TYPE="none">')
184+
185+
# pass 1: build a dictionary of message IDs
186+
ids = {}
187+
index = 0
188+
for line in lines:
189+
art_nr, subject, poster, date, id, references, size, line_cnt = line
190+
ids[id] = index
191+
index = index + 1
192+
193+
# pass 2: discover child articles
194+
childof = []
195+
subs = {}
196+
# subject_re_less = regex.symcomp("\([Rr]e:\)? *\(<real_subject>.*\)")
197+
subject_re_less = re.compile(r"(re:)?\s*(?P<real_subject>.*)")
198+
index = 0
199+
for line in lines:
200+
art_nr, subject, poster, date, id, references, size, line_cnt = line
201+
childof.append(-1)
202+
# if subject_re_less.match(subject) > 0:
203+
# subject = subject_re_less.group('real_subject')
204+
srl = subject_re_less.match(subject)
205+
if srl: subject = srl.group('real_subject')
206+
# if there are references, use them (most recent first)
207+
if len(references) > 0:
208+
references.reverse()
209+
for ref in references:
210+
if ids.has_key(ref):
211+
childof[index] = ids[ref]
212+
break
213+
# if no references (or referee not found), use subject
214+
if childof[index] == -1:
215+
if subs.has_key(subject) :
216+
childof[index] = subs[subject]
217+
else:
218+
subs[subject] = index
219+
index = index + 1
220+
221+
# index = 0
222+
# for line in lines:
223+
# art_nr, subject, poster, date, id, size, line_cnt, references = line
224+
# print index,childof[index],subject
225+
# index = index + 1
226+
227+
index = 0
228+
for seq in childof:
229+
if seq == -1:
230+
show_article_and_kids(index, 0, lines, childof,
231+
acc_string, pass_string, RESPONSE)
232+
index = index + 1
233+
234+
# art_nr, subject, poster, date, id, size, line_cnt, references = line
235+
# name, email = parseaddr(poster)
236+
# print '<LI><A HREF="http:/cgi-bin/readnews.cgi?%s" TARGET="d">%s</A> (%s) %s, %s' % (quote(id), subject, line_cnt, name, time.strftime('%b %d, %H:%M', parsedate(date)))
237+
238+
RESPONSE.write('<A NAME="last">&nbsp</A></UL>')
239+
240+
finally:
241+
if showframes != 2:
242+
if string.find(G, "ttalk") >= 0:
243+
RESPONSE.write( """<P><HR><P>A service of the
244+
<A HREF="http://www.soholutions.com/">SoHolutions</A>.""")
245+
else:
246+
RESPONSE.write( """<P><HR><P>A service of the
247+
<A HREF="http://www.tpc.ml.org/">Tokyo PC Users Group</A>.""")
248+
# print "<P><ADDRESS>",os.environ['HTTP_USER_AGENT'],"</ADDRESS>"
249+
RESPONSE.write( """</BODY></HTML>""")
250+
251+
def liven_url(matchobj):
252+
# if it was a URL-type match, but there is a zero length address part,
253+
# don't make it live (return the original string)
254+
if matchobj.group('uri') != None and matchobj.group('uri') == "":
255+
return matchobj.group(0)
256+
url = matchobj.group('url')
257+
text = url
258+
if matchobj.group('mailadr'): # if an assumed Email address,
259+
if url[0] in string.digits: # and it starts with a digit
260+
return matchobj.group(0) # don't make it live (msg id?)
261+
url = "mailto:" + url # otherwise add mailto: tag
262+
if matchobj.group('web'): # if a web link,
263+
url = url + '" target="fromtpc' # put it into a new window
264+
return matchobj.group('opening') + \
265+
'<A HREF="'+url+'">'+text+'</A>' + \
266+
matchobj.group('closing')
267+
268+
def readnews(I="", A=None, P=None, RESPONSE=None):
269+
"""Display article in HTML"""
270+
article = I
271+
user = A
272+
password = P
273+
274+
RESPONSE.write("""<HTML><HEAD><TITLE>Tokyo PC Users Group</TITLE></HEAD>
275+
<BODY BGCOLOR="#FFFFFF">""")
276+
277+
try:
278+
news = NNTP(NEWS_SERVER)
279+
except:
280+
RESPONSE.write("Can not connect to server: " + NEWS_SERVER)
281+
resp = news.shortcmd('MODE READER')
282+
283+
if user:
284+
resp = news.shortcmd('authinfo user '+user)
285+
if resp[:3] == '381':
286+
if not password:
287+
RESPONSE.write("<B>Can not fetch article</B><P>")
288+
else:
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resp = news.shortcmd('authinfo pass '+password)
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if resp[:3] != '281':
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RESPONSE.write("<B>Can not fetch article</B><P>")
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try:
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resp, nr, id, subs = news.head(article)
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except:
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RESPONSE.write("Article %s not available" % quote(article))
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RESPONSE.write('<TABLE WIDTH="100%" BGCOLOR="#CFCFCF"><TR><TD>')
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# build up the header (so we know Subject: by Newsgroups: output time)
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from_line = ""
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newsgroup_line = ""
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subject_line = ""
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keep_lines = ""
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mail_subject = ""
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for line in subs:
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ihdr = interesting_headers.match(line)
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if ihdr:
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if ihdr.group('from'):
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name, email = parseaddr(line[6:])
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if name:
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from_line = 'From: <A HREF="mailto:%s%s">%s</A> &lt;%s&gt;<BR>' % (
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email, "%s", name, email)
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else:
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from_line = 'From: <A HREF="mailto:%s%s">%s</A><BR>' % (
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email, "%s", email)
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elif ihdr.group('newsgroups'):
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newsgroup_line = 'Newsgroups: <A HREF="mailto:tpc-%s@tpc.ml.org%s">tpc.%s</A>%s<BR>' % (
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ihdr.group('group'), "%s",
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ihdr.group('group'), ihdr.group('othergroups'))
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elif ihdr.group('subject'):
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subject_line = 'Subject: <B>%s</B><BR>' % line[9:]
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if ihdr.group('re'):
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mail_subject = "?subject="+line[9:]
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else:
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mail_subject = "?subject=Re: "+line[9:]
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elif ihdr.group('keep'):
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keep_lines = keep_lines+line+"<BR>"
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if from_line:
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RESPONSE.write(from_line % mail_subject)
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if newsgroup_line:
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RESPONSE.write(newsgroup_line % mail_subject)
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RESPONSE.write(subject_line + keep_lines)
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RESPONSE.write('</TD></TR></TABLE><P>')
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try:
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resp, nr, id, subs = news.body(article)
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except:
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RESPONSE.write("Article %s body not available" % article)
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RESPONSE.write("<CODE>")
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for line in subs:
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RESPONSE.write(re.sub(r'''(?i)(?x)
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(?P<opening>[<(";]?)
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(?P<url>(((?P<web>http:)|(news:)|(mailto:)|(telnet:))(?P<uri>\S*?))
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# a mail address is some non-ws characters followed by @
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# followed by a domain name that has at least one . in it
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|(?P<mailadr>\S+@(\S+\.)+\S+?))
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# either a URL or a mail address will not contain [)">\s]
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# and will not end with punctuation just before the whitespace
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(?P<closing>([)"'>\s]|$|([&.?,:;]\s)+))''',
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liven_url, line) + "<BR>")
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RESPONSE.write("</CODE>")
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RESPONSE.write("</BODY></HTML>")
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resp = news.quit()
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if __name__ == '__main__':
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newsgroup('tpc.unix', '2')
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# readnews('<slrn6np315.g6.Jim.Tittsler@mon.dskk.co.jp>')

‎pcgiwebnews.txt

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pcgiwebnews.py
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Jim Tittsler, Jim.Tittsler@tpc.ml.org
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http://starship.python.net/crew/jtittsler/
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1999.05.09
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pcgiwebnews is a Persistent CGI program for accessing an NNRP news
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server and rendering the article list and the articles in a three pane
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HTML view. It was written to provide an alternative means of accessing
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our community news server for those that are prohibited by firewalls from
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using a real news client, or for people that just want to sample the
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groups and are intimidated by setting up a news client.
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pcgiwebnews uses part of the Bobo object publishing technique that
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was a precursor to Zope. It effectively treats the news server as
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an underlying database.
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Access to some newsgroups can require authentication. This can be
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accommodated by pcgiwebnews by building in account (A=) and password
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(P=) parameters in the newsgroup URLs.
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The user posts articles by mailing them to a mail-to-news gateway.
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This allows him to use the features of his mail client (like
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spell checking), rather than forcing him to enter data into an
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HTML textbox.
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Because of resource constraints on the machine where pcgiwebnews was
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originally hosted, the "front page" that initially greets the user is
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periodically updated by a cron job (ngupdate) rather than being
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*live*. ngupdate looks through a list of static HTML files for lines
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that match the newsgroup table and updates the number of articles
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posted in the past 1/7/21 days. This reduces load at the expense of
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not having the absolute latest information on the number of articles
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for each group. It would be worthwhile to make the front page *live*
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and also to keep track of articles seen by the user (with cookies or
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login) to highlight new messages.
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.. PCGI http://starship.python.net/crew/jbauer/persistcgi/index.html
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.. Bobo http://www.digicool.com/
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.. Example installation http://www.tpc.ml.org
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