Limnoria/plugins/News.py
2003-09-14 07:38:26 +00:00

238 lines
9.4 KiB
Python

#!/usr/bin/env python
###
# Copyright (c) 2003, Daniel DiPaolo
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions, and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions, and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the author of this software nor the name of
# contributors to this software may be used to endorse or promote products
# derived from this software without specific prior written consent.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
###
"""
A module to allow each channel to have "news" which people will be notified of
when they join the channel. News items may have expiration dates.
"""
from baseplugin import *
import sqlite
import ircdb
import utils
import privmsgs
import callbacks
def configure(onStart, afterConnect, advanced):
# This will be called by setup.py to configure this module. onStart and
# afterConnect are both lists. Append to onStart the commands you would
# like to be run when the bot is started; append to afterConnect the
# commands you would like to be run when the bot has finished connecting.
from questions import expect, anything, something, yn
onStart.append('load News')
example = utils.wrapLines("""
<Strike> !listnews
<strikebot> Strike: News for #sourcereview: (#1) Test; (#3) Expiration test
five-million-and-one; (#5) no expire
<Strike> !readnews 1
<strikebot> Strike: no expiration (Subject: "Test", added by Strike on 10:15
PM, September 03, 2003, expires at 12:00 AM, September 12, 2003)
<Strike> !addnews 5000 Another test news item: Here is the news text, much
longer than the subject should be. The subject should be short and sweet like
a headline whereas the text can be a lot more detailed.
<strikebot> Strike: The operation succeeded.
<Strike> !listnews
<strikebot> Strike: News for #sourcereview: (#1) Test; (#3) Expiration test
five-million-and-one; (#5) no expire; (#7) Another test news item
<Strike> !readnews 7
<strikebot> Strike: Here is the news text, much longer than the subject should
be. The subject should be short and sweet like a headline whereas the text can
be a lot more detailed. (Subject: "Another test news item", added by Strike on
07:12 PM, September 12, 2003, expires at 08:36 PM, September 12, 2003)
""")
class News(callbacks.Privmsg, ChannelDBHandler):
def __init__(self):
ChannelDBHandler.__init__(self)
callbacks.Privmsg.__init__(self)
self.removeOld = False
def makeDb(self, filename):
if os.path.exists(filename):
return sqlite.connect(filename)
db = sqlite.connect(filename)
cursor = db.cursor()
cursor.execute("""CREATE TABLE news (
id INTEGER PRIMARY KEY,
subject TEXT,
item TEXT,
added_at TIMESTAMP,
expires_at TIMESTAMP,
added_by TEXT
)""")
db.commit()
return db
def addnews(self, irc, msg, args):
"""[<channel>] <expires> <subject>: <text>
Adds a given news item of <text> to a channel with the given <subject>.
If <expires> isn't 0, that news item will expire <expires> seconds from
now. <channel> is only necessary if the message isn't sent in the
channel itself.
"""
channel = privmsgs.getChannel(msg, args)
# Check if they have the appropriate capability.
capability = ircdb.makeChannelCapability(channel, 'news')
if not ircdb.checkCapability(msg.prefix, capability):
irc.error(msg, conf.replyNoCapability % capability)
return
# Parse out the args
i = None
for i, arg in enumerate(args):
if arg.endswith(':'):
i += 1
break
if not i:
raise callbacks.ArgumentError
added_at = int(time.time())
expire_interval = int(args[0])
expires = expire_interval and (added_at + expire_interval)
subject = ' '.join(args[1:i])
text = ' '.join(args[i:])
# Set the other stuff needed for the insert.
if ircdb.users.hasUser(msg.prefix):
name = ircdb.users.getUserName(msg.prefix)
else:
name = msg.nick
db = self.getDb(channel)
cursor = db.cursor()
cursor.execute("INSERT INTO news VALUES (NULL, %s, %s, %s, %s, %s)",
subject[:-1], text, added_at, expires, name)
db.commit()
irc.reply(msg, conf.replySuccess)
def readnews(self, irc, msg, args):
"""[<channel>] <number>
Display the text for news item with id <number> from <channel>.
<channel> is only necessary if the message isn't sent in the channel
itself.
"""
channel = privmsgs.getChannel(msg, args)
id = privmsgs.getArgs(args)
db = self.getDb(channel)
cursor = db.cursor()
cursor.execute("""SELECT news.item, news.subject, news.added_at,
news.expires_at, news.added_by FROM news
WHERE news.id = %s""", id)
if cursor.rowcount == 0:
irc.error(msg, 'No news item matches that id.')
else:
item, subject, added_at, expires_at, added_by = cursor.fetchone()
s = '%s (Subject: "%s", added by %s on %s' % \
(item, subject, added_by,
time.strftime(conf.humanTimestampFormat,
time.localtime(int(added_at))))
if int(expires_at) > 0:
s += ', expires at %s)' % \
time.strftime(conf.humanTimestampFormat,
time.localtime(int(expires_at)))
else:
s += ')'
irc.reply(msg, s)
def listnews(self, irc, msg, args):
"""[<channel>]
Display the news items for <channel> in the format of "id) subject".
<channel> is only necessary if the message isn't sent in the channel
itself.
"""
channel = privmsgs.getChannel(msg, args)
db = self.getDb(channel)
cursor = db.cursor()
cursor.execute("""SELECT news.id, news.subject FROM news
WHERE (news.expires_at > %s)
OR (news.expires_at = 0)""",
int(time.time()))
if cursor.rowcount == 0:
irc.error(msg, 'No news items for channel: %s' % channel)
else:
items = []
for (id, subject) in cursor.fetchall():
items.append('(#%s) %s' % (id, subject))
totalResults = len(items)
if ircutils.shrinkList(items, '; ', 400):
s = 'News for %s (%s of %s shown): %s' % \
(channel, len(items), totalResults, '; '.join(items))
else:
s = 'News for %s: %s' % (channel, '; '.join(items))
irc.reply(msg, s)
def removenews(self, irc, msg, args):
"""[<channel>] <number>
Removes the news item with id <number> from <channel>. <channel> is
only necessary if the message isn't sent in the channel itself.
"""
channel = privmsgs.getChannel(msg, args)
id = privmsgs.getArgs(args)
db = self.getDb(channel)
cursor = db.cursor()
cursor.execute("""SELECT news.id FROM news WHERE news.id = %s""", id)
if cursor.rowcount == 0:
irc.error(msg, 'No news item matches that id.')
else:
cursor.execute("""DELETE FROM news WHERE news.id = %s""", id)
db.commit()
irc.reply(msg, conf.replySuccess)
def changenews(self, irc, msg, args):
"""[<channel>] <number> <regexp>
Changes the news item with id <number> from <channel> according to the
regular expression <regexp>. <regexp> should be of the form
s/text/replacement/flags. <channel> is only necessary if the message
isn't sent on the channel itself.
"""
pass
def oldnews(self, irc, msg, args):
"""[<channel>] <number>
Returns the old news item for <channel> with id <number>. <channel>
is only necessary if the message isn't sent in the channel itself.
"""
pass
Class = News
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