###
# Copyright (c) 2002-2005, Jeremiah Fincher
# 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.
###
import os
import time
import string
import supybot.conf as conf
import supybot.ircdb as ircdb
import supybot.utils as utils
from supybot.commands import *
import supybot.plugins as plugins
import supybot.ircutils as ircutils
import supybot.callbacks as callbacks
try:
import sqlite
except ImportError:
raise callbacks.Error, 'You need to have PySQLite installed to use this ' \
'plugin. Download it at <http://pysqlite.org/>'
def getFactoid(irc, msg, args, state):
assert not state.channel
callConverter('channel', irc, msg, args, state)
separator = state.cb.registryValue('learnSeparator', state.channel)
try:
i = args.index(separator)
except ValueError:
raise callbacks.ArgumentError
args.pop(i)
key = []
value = []
for (j, s) in enumerate(args[:]):
if j < i:
key.append(args.pop(0))
else:
value.append(args.pop(0))
state.args.append(' '.join(key))
state.args.append(' '.join(value))
def getFactoidId(irc, msg, args, state):
Type = 'key id'
p = lambda i: i > 0
callConverter('int', irc, msg, args, state, Type, p)
addConverter('factoid', getFactoid)
addConverter('factoidId', getFactoidId)
class Factoids(callbacks.Plugin, plugins.ChannelDBHandler):
def makeDb(self, filename):
if os.path.exists(filename):
return sqlite.connect(filename)
db = sqlite.connect(filename)
cursor = db.cursor()
cursor.execute("""CREATE TABLE keys (
id INTEGER PRIMARY KEY,
key TEXT UNIQUE ON CONFLICT IGNORE,
locked BOOLEAN
)""")
cursor.execute("""CREATE TABLE factoids (
id INTEGER PRIMARY KEY,
key_id INTEGER,
added_by TEXT,
added_at TIMESTAMP,
fact TEXT
)""")
cursor.execute("""CREATE TRIGGER remove_factoids
BEFORE DELETE ON keys
BEGIN
DELETE FROM factoids WHERE key_id = old.id;
END
""")
db.commit()
return db
def getCommandHelp(self, command):
method = self.getCommandMethod(command)
if method.im_func.func_name == 'learn':
s = self.registryValue('learnSeparator', dynamic.msg.args[0])
return callbacks.getHelp(method,
doc=method._fake__doc__ % (s, s),
name=callbacks.formatCommand(command))
return super(Factoids, self).getCommandHelp(self, command)
def learn(self, irc, msg, args, channel, key, factoid):
db = self.getDb(channel)
cursor = db.cursor()
cursor.execute("SELECT id, locked FROM keys WHERE key LIKE %s", key)
if cursor.rowcount == 0:
cursor.execute("""INSERT INTO keys VALUES (NULL, %s, 0)""", key)
db.commit()
cursor.execute("SELECT id, locked FROM keys WHERE key LIKE %s",key)
(id, locked) = map(int, cursor.fetchone())
capability = ircdb.makeChannelCapability(channel, 'factoids')
if not locked:
if ircdb.users.hasUser(msg.prefix):
name = ircdb.users.getUser(msg.prefix).name
else:
name = msg.nick
cursor.execute("""INSERT INTO factoids VALUES
(NULL, %s, %s, %s, %s)""",
id, name, int(time.time()), factoid)
db.commit()
irc.replySuccess()
else:
irc.error('That factoid is locked.')
learn = wrap(learn, ['factoid'])
learn._fake__doc__ = """[<channel>] <key> %s <value>
Associates <key> with <value>. <channel> is only
necessary if the message isn't sent on the channel
itself. The word '%s' is necessary to separate the
key from the value. It can be changed to another word
via the learnSeparator registry value.
"""
def _lookupFactoid(self, channel, key):
db = self.getDb(channel)
cursor = db.cursor()
cursor.execute("""SELECT factoids.fact FROM factoids, keys
WHERE keys.key LIKE %s AND factoids.key_id=keys.id
ORDER BY factoids.id
LIMIT 20""", key)
return [t[0] for t in cursor.fetchall()]
def _replyFactoids(self, irc, channel, key, factoids,
number=0, error=True):
if factoids:
if number:
try:
irc.reply(factoids[number-1])
except IndexError:
irc.error('That\'s not a valid number for that key.')
return
else:
intro = self.registryValue('factoidPrefix', channel)
prefix = format('%q %s', key, intro)
if len(factoids) == 1:
irc.reply(prefix + factoids[0])
else:
factoidsS = []
counter = 1
for factoid in factoids:
factoidsS.append(format('(#%i) %s', counter, factoid))
counter += 1
irc.replies(factoidsS, prefixer=prefix,
joiner=', or ', onlyPrefixFirst=True)
elif error:
irc.error('No factoid matches that key.')
def invalidCommand(self, irc, msg, tokens):
if irc.isChannel(msg.args[0]):
channel = msg.args[0]
if self.registryValue('replyWhenInvalidCommand', channel):
key = ' '.join(tokens)
factoids = self._lookupFactoid(channel, key)
self._replyFactoids(irc, channel, key, factoids, error=False)
def whatis(self, irc, msg, args, channel, words):
"""[<channel>] <key> [<number>]
Looks up the value of <key> in the factoid database. If given a
number, will return only that exact factoid. <channel> is only
necessary if the message isn't sent in the channel itself.
"""
number = None
if len(words) > 1:
if words[-1].isdigit():
number = int(words.pop())
if number <= 0:
irc.errorInvalid('key id')
key = ' '.join(words)
factoids = self._lookupFactoid(channel, key)
self._replyFactoids(irc, channel, key, factoids, number)
whatis = wrap(whatis, ['channel', many('something')])
def lock(self, irc, msg, args, channel, key):
"""[<channel>] <key>
Locks the factoid(s) associated with <key> so that they cannot be
removed or added to. <channel> is only necessary if the message isn't
sent in the channel itself.
"""
db = self.getDb(channel)
cursor = db.cursor()
cursor.execute("UPDATE keys SET locked=1 WHERE key LIKE %s", key)
db.commit()
irc.replySuccess()
lock = wrap(lock, ['channel', 'text'])
def unlock(self, irc, msg, args, channel, key):
"""[<channel>] <key>
Unlocks the factoid(s) associated with <key> so that they can be
removed or added to. <channel> is only necessary if the message isn't
sent in the channel itself.
"""
db = self.getDb(channel)
cursor = db.cursor()
cursor.execute("UPDATE keys SET locked=0 WHERE key LIKE %s", key)
db.commit()
irc.replySuccess()
unlock = wrap(unlock, ['channel', 'text'])
def forget(self, irc, msg, args, channel, words):
"""[<channel>] <key> [<number>|*]
Removes the factoid <key> from the factoids database. If there are
more than one factoid with such a key, a number is necessary to
determine which one should be removed. A * can be used to remove all
factoids associated with a key. <channel> is only necessary if
the message isn't sent in the channel itself.
"""
number = None
if len(words) > 1:
if words[-1].isdigit():
number = int(words.pop())
if number <= 0:
irc.errorInvalid('key id')
elif words[-1] == '*':
words.pop()
number = True
key = ' '.join(words)
db = self.getDb(channel)
cursor = db.cursor()
cursor.execute("""SELECT keys.id, factoids.id
FROM keys, factoids
WHERE key LIKE %s AND
factoids.key_id=keys.id""", key)
if cursor.rowcount == 0:
irc.error('There is no such factoid.')
elif cursor.rowcount == 1 or number is True:
(id, _) = cursor.fetchone()
cursor.execute("""DELETE FROM factoids WHERE key_id=%s""", id)
cursor.execute("""DELETE FROM keys WHERE key LIKE %s""", key)
db.commit()
irc.replySuccess()
else:
if number is not None:
results = cursor.fetchall()
try:
(_, id) = results[number-1]
except IndexError:
irc.error('Invalid factoid number.')
return
cursor.execute("DELETE FROM factoids WHERE id=%s", id)
db.commit()
irc.replySuccess()
else:
irc.error('%s factoids have that key. '
'Please specify which one to remove, '
'or use * to designate all of them.' %
cursor.rowcount)
forget = wrap(forget, ['channel', many('something')])
def random(self, irc, msg, args, channel):
"""[<channel>]
Returns a random factoid from the database for <channel>. <channel>
is only necessary if the message isn't sent in the channel itself.
"""
db = self.getDb(channel)
cursor = db.cursor()
cursor.execute("""SELECT fact, key_id FROM factoids
ORDER BY random()
LIMIT 3""")
if cursor.rowcount != 0:
L = []
for (factoid, id) in cursor.fetchall():
cursor.execute("""SELECT key FROM keys WHERE id=%s""", id)
(key,) = cursor.fetchone()
L.append('"%s": %s' % (ircutils.bold(key), factoid))
irc.reply('; '.join(L))
else:
irc.error('I couldn\'t find a factoid.')
random = wrap(random, ['channel'])
def info(self, irc, msg, args, channel, key):
"""[<channel>] <key>
Gives information about the factoid(s) associated with <key>.
<channel> is only necessary if the message isn't sent in the channel
itself.
"""
db = self.getDb(channel)
cursor = db.cursor()
cursor.execute("SELECT id, locked FROM keys WHERE key LIKE %s", key)
if cursor.rowcount == 0:
irc.error('No factoid matches that key.')
return
(id, locked) = map(int, cursor.fetchone())
cursor.execute("""SELECT added_by, added_at FROM factoids
WHERE key_id=%s
ORDER BY id""", id)
factoids = cursor.fetchall()
L = []
counter = 0
for (added_by, added_at) in factoids:
counter += 1
added_at = time.strftime(conf.supybot.reply.format.time(),
time.localtime(int(added_at)))
L.append(format('#%i was added by %s at %s',
counter, added_by, added_at))
factoids = '; '.join(L)
s = format('Key %q is %s and has %n associated with it: %s',
key, locked and 'locked' or 'not locked',
(counter, 'factoid'), factoids)
irc.reply(s)
info = wrap(info, ['channel', 'text'])
def change(self, irc, msg, args, channel, key, number, replacer):
"""[<channel>] <key> <number> <regexp>
Changes the factoid #<number> associated with <key> according to
<regexp>.
"""
db = self.getDb(channel)
cursor = db.cursor()
cursor.execute("""SELECT factoids.id, factoids.fact
FROM keys, factoids
WHERE keys.key LIKE %s AND
keys.id=factoids.key_id""", key)
if cursor.rowcount == 0:
irc.error(format('I couldn\'t find any key %q', key))
return
elif cursor.rowcount < number:
irc.errorInvalid('key id')
(id, fact) = cursor.fetchall()[number-1]
newfact = replacer(fact)
cursor.execute("UPDATE factoids SET fact=%s WHERE id=%s", newfact, id)
db.commit()
irc.replySuccess()
change = wrap(change, ['channel', 'something',
'factoidId', 'regexpReplacer'])
_sqlTrans = string.maketrans('*?', '%_')
def search(self, irc, msg, args, channel, optlist, globs):
"""[<channel>] [--values] [--{regexp} <value>] [<glob> ...]
Searches the keyspace for keys matching <glob>. If --regexp is given,
it associated value is taken as a regexp and matched against the keys.
If --values is given, search the value space instead of the keyspace.
"""
if not optlist and not globs:
raise callbacks.ArgumentError
tables = ['keys']
formats = []
criteria = []
target = 'keys.key'
predicateName = 'p'
db = self.getDb(channel)
for (option, arg) in optlist:
if option == 'values':
target = 'factoids.fact'
if 'factoids' not in tables:
tables.append('factoids')
criteria.append('factoids.key_id=keys.id')
elif option == 'regexp':
criteria.append('%s(TARGET)' % predicateName)
def p(s, r=arg):
return int(bool(r.search(s)))
db.create_function(predicateName, 1, p)
predicateName += 'p'
for glob in globs:
criteria.append('TARGET LIKE %s')
formats.append(glob.translate(self._sqlTrans))
cursor = db.cursor()
sql = """SELECT keys.key FROM %s WHERE %s""" % \
(', '.join(tables), ' AND '.join(criteria))
sql = sql.replace('TARGET', target)
cursor.execute(sql, formats)
if cursor.rowcount == 0:
irc.reply('No keys matched that query.')
elif cursor.rowcount == 1 and \
self.registryValue('showFactoidIfOnlyOneMatch', channel):
self.whatis(irc, msg, [cursor.fetchone()[0]])
elif cursor.rowcount > 100:
irc.reply('More than 100 keys matched that query; '
'please narrow your query.')
else:
keys = [repr(t[0]) for t in cursor.fetchall()]
s = format('%L', keys)
irc.reply(s)
search = wrap(search, ['channel',
getopts({'values': '', 'regexp': 'regexpMatcher'}),
any('glob')])
Class = Factoids
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