mirror of
https://github.com/Mikaela/Limnoria.git
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507 lines
20 KiB
Python
507 lines
20 KiB
Python
###
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# Copyright (c) 2002-2004, Jeremiah Fincher
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions, and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions, and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the author of this software nor the name of
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# contributors to this software may be used to endorse or promote products
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# derived from this software without specific prior written consent.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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###
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"""
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Handles 'factoids,' little tidbits of information held in a database and
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available on demand via several commands.
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"""
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__revision__ = "$Id$"
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import time
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import getopt
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import string
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import os.path
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from itertools import imap
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import supybot.dbi as dbi
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import supybot.conf as conf
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import supybot.utils as utils
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import supybot.ircdb as ircdb
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from supybot.commands import *
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import supybot.plugins as plugins
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import supybot.ircutils as ircutils
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import supybot.privmsgs as privmsgs
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import supybot.registry as registry
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import supybot.callbacks as callbacks
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conf.registerPlugin('Factoids')
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conf.registerChannelValue(conf.supybot.plugins.Factoids, 'learnSeparator',
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registry.String('as', """Determines what separator must be used in the
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learn command. Defaults to 'as' -- learn <key> as <value>. Users might
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feel more comfortable with 'is' or something else, so it's
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configurable."""))
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conf.registerChannelValue(conf.supybot.plugins.Factoids,
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'showFactoidIfOnlyOneMatch', registry.Boolean(True, """Determines whether
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the bot will reply with the single matching factoid if only one factoid
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matches when using the search command."""))
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conf.registerChannelValue(conf.supybot.plugins.Factoids,
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'replyWhenInvalidCommand', registry.Boolean(True, """Determines whether
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the bot will reply to invalid commands by searching for a factoid;
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basically making the whatis unnecessary when you want all factoids for a
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given key."""))
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conf.registerChannelValue(conf.supybot.plugins.Factoids,
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'factoidPrefix', registry.StringWithSpaceOnRight('could be ', """Determines
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the string that factoids will be introduced by."""))
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class MultiKeyError(KeyError):
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pass
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class LockError(Exception):
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pass
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class SqliteFactoidsDB(object):
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def __init__(self, filename):
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self.dbs = ircutils.IrcDict()
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self.filename = filename
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def close(self):
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for db in self.dbs.itervalues():
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db.close()
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def _getDb(self, channel):
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try:
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import sqlite
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except ImportError:
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raise callbacks.Error, 'You need to have PySQLite installed to ' \
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'use this plugin. Download it at ' \
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'<http://pysqlite.sf.net/>'
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filename = plugins.makeChannelFilename(self.filename, channel)
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if filename in self.dbs:
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return self.dbs[filename]
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if os.path.exists(filename):
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self.dbs[filename] = sqlite.connect(filename)
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return self.dbs[filename]
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db = sqlite.connect(filename)
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self.dbs[filename] = db
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cursor = db.cursor()
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cursor.execute("""CREATE TABLE keys (
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id INTEGER PRIMARY KEY,
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key TEXT UNIQUE ON CONFLICT IGNORE,
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locked BOOLEAN
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)""")
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cursor.execute("""CREATE TABLE factoids (
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id INTEGER PRIMARY KEY,
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key_id INTEGER,
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added_by TEXT,
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added_at TIMESTAMP,
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fact TEXT
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)""")
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cursor.execute("""CREATE TRIGGER remove_factoids
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BEFORE DELETE ON keys
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BEGIN
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DELETE FROM factoids WHERE key_id = old.id;
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END
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""")
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db.commit()
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return db
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def add(self, channel, key, factoid, name):
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db = self._getDb(channel)
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cursor = db.cursor()
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cursor.execute("SELECT id, locked FROM keys WHERE key LIKE %s", key)
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if cursor.rowcount == 0:
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cursor.execute("""INSERT INTO keys VALUES (NULL, %s, 0)""", key)
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db.commit()
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cursor.execute("SELECT id, locked FROM keys WHERE key LIKE %s",key)
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(id, locked) = imap(int, cursor.fetchone())
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if not locked:
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cursor.execute("""INSERT INTO factoids VALUES
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(NULL, %s, %s, %s, %s)""",
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id, name, int(time.time()), factoid)
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db.commit()
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else:
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raise LockError
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def get(self, channel, key):
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("""SELECT factoids.fact FROM factoids, keys
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WHERE keys.key LIKE %s AND factoids.key_id=keys.id
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ORDER BY factoids.id
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LIMIT 20""", key)
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return [t[0] for t in cursor.fetchall()]
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def lock(self, channel, key):
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("UPDATE keys SET locked=1 WHERE key LIKE %s", key)
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db.commit()
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def unlock(self, channel, key):
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("UPDATE keys SET locked=0 WHERE key LIKE %s", key)
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db.commit()
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def remove(self, channel, key, number):
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("""SELECT keys.id, factoids.id
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FROM keys, factoids
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WHERE key LIKE %s AND
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factoids.key_id=keys.id""", key)
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if cursor.rowcount == 0:
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raise dbi.NoRecordError
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elif cursor.rowcount == 1 or number is True:
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(id, _) = cursor.fetchone()
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cursor.execute("""DELETE FROM factoids WHERE key_id=%s""", id)
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cursor.execute("""DELETE FROM keys WHERE key LIKE %s""", key)
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db.commit()
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else:
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if number is not None:
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results = cursor.fetchall()
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try:
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(_, id) = results[number]
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except IndexError:
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raise dbi.NoRecordError
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cursor.execute("DELETE FROM factoids WHERE id=%s", id)
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db.commit()
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else:
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raise MultiKeyError, cursor.rowcount
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def random(self, channel):
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("""SELECT fact, key_id FROM factoids
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ORDER BY random()
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LIMIT 3""")
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if cursor.rowcount == 0:
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raise dbi.NoRecordError
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L = []
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for (factoid, id) in cursor.fetchall():
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cursor.execute("""SELECT key FROM keys WHERE id=%s""", id)
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(key,) = cursor.fetchone()
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L.append((key, factoid))
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return L
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def info(self, channel, key):
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("SELECT id, locked FROM keys WHERE key LIKE %s", key)
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if cursor.rowcount == 0:
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raise dbi.NoRecordError
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(id, locked) = imap(int, cursor.fetchone())
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cursor.execute("""SELECT added_by, added_at FROM factoids
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WHERE key_id=%s
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ORDER BY id""", id)
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return (locked, cursor.fetchall())
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_sqlTrans = string.maketrans('*?', '%_')
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def select(self, channel, values, predicates, globs):
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db = self.getDb(channel)
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cursor = db.cursor()
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tables = ['keys']
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criteria = []
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predicateName = 'p'
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formats = []
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if not values:
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target = 'keys.key'
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else:
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target = 'factoids.fact'
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if 'factoids' not in tables:
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tables.append('factoids')
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criteria.append('factoids.key_id=keys.id')
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for glob in globs:
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criteria.append('TARGET LIKE %s')
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formats.append(glob.translate(self._sqlTrans))
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for predicate in predicates:
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criteria.append('%s(TARGET)' % predicateName)
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def p(s, r=arg):
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return int(bool(predicate(s)))
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db.create_function(predicateName, 1, p)
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predicateName += 'p'
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sql = """SELECT keys.key FROM %s WHERE %s""" % \
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(', '.join(tables), ' AND '.join(criteria))
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sql = sql.replace('TARGET', target)
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cursor.execute(sql, formats)
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if cursor.rowcount == 0:
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raise dbi.NoRecordError
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elif cursor.rowcount == 1 and \
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conf.supybot.plugins.Factoids.showFactoidIfOnlyOneMatch.get(channel)():
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return cursor.fetchone()[0]
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elif cursor.rowcount > 100:
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return None
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else:
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return cursor.fetchall()
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FactoidsDB = plugins.DB('Factoids', {'sqlite': SqliteFactoidsDB})
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class Factoids(callbacks.Privmsg):
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def __init__(self):
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self.__parent = super(Factoids, self)
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self.__parent.__init__()
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self.db = FactoidsDB()
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def die(self):
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self.__parent.die()
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self.db.close()
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def learn(self, irc, msg, args, channel, text):
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"""[<channel>] <key> as <value>
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Associates <key> with <value>. <channel> is only necessary if the
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message isn't sent on the channel itself. The word 'as' is necessary
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to separate the key from the value. It can be changed to another
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word via the learnSeparator registry value.
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"""
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try:
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separator = conf.supybot.plugins.Factoids. \
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learnSeparator.get(channel)()
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i = text.index(separator)
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except ValueError:
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raise callbacks.ArgumentError
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text.pop(i)
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key = ' '.join(text[:i])
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factoid = ' '.join(text[i:])
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try:
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name = ircdb.users.getUser(msg.prefix).name
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except KeyError:
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name = msg.nick
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try:
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self.db.add(channel, key, factoid, nick)
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irc.replySuccess()
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except LockError:
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irc.error('That factoid is locked.')
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learn = wrap(learn, ['channeldb', many('text')])
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def _replyFactoids(self, irc, channel, key, factoids, number=0, error=True):
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if factoids:
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if number:
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try:
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irc.reply(factoids[number])
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except IndexError:
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irc.error('That\'s not a valid number for that key.')
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return
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else:
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intro = self.registryValue('factoidPrefix', channel)
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prefix = '%s %s' % (utils.quoted(key), intro)
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if len(factoids) == 1:
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irc.reply(prefix + factoids[0])
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else:
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factoidsS = []
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counter = 1
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for factoid in factoids:
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factoidsS.append('(#%s) %s' % (counter, factoid))
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counter += 1
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irc.replies(factoidsS, prefixer=prefix,
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joiner=', or ', onlyPrefixFirst=True)
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elif error:
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irc.error('No factoid matches that key.')
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def tokenizedCommand(self, irc, msg, tokens):
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if ircutils.isChannel(msg.args[0]):
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channel = msg.args[0]
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if self.registryValue('replyWhenInvalidCommand', channel):
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key = ' '.join(tokens)
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factoids = self.db.get(channel, key)
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self._replyFactoids(irc, channel, key, factoids, error=False)
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def whatis(self, irc, msg, args, channel, number, key):
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"""[<channel>] <key> [<number>]
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Looks up the value of <key> in the factoid database. If given a
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number, will return only that exact factoid. <channel> is only
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necessary if the message isn't sent in the channel itself.
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"""
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factoids = self.db.get(channel, key)
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self._replyFactoids(irc, channel, key, factoids, number)
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whatis = wrap(whatis, ['channeldb', reversed(optional('positiveInt', 0)), 'text'],
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allowExtra=True)
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def lock(self, irc, msg, args, channel, key):
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"""[<channel>] <key>
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Locks the factoid(s) associated with <key> so that they cannot be
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removed or added to. <channel> is only necessary if the message isn't
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sent in the channel itself.
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"""
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self.db.lock(channel, key)
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irc.replySuccess()
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lock = wrap(lock, ['channeldb', 'text'], allowExtra=True)
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def unlock(self, irc, msg, args, channel, key):
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"""[<channel>] <key>
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Unlocks the factoid(s) associated with <key> so that they can be
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removed or added to. <channel> is only necessary if the message isn't
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sent in the channel itself.
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"""
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self.db.unlock(channel, key)
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irc.replySuccess()
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unlock = wrap(unlock, ['channeldb', 'text'], allowExtra=True)
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def forget(self, irc, msg, args, channel, number, key):
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"""[<channel>] <key> [<number>|*]
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Removes the factoid <key> from the factoids database. If there are
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more than one factoid with such a key, a number is necessary to
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determine which one should be removed. A * can be used to remove all
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factoids associated with a key. <channel> is only necessary if
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the message isn't sent in the channel itself.
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"""
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if number == '*':
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number = True
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else:
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number -= 1
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key = ' '.join(key)
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try:
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self.db.remove(channel, key, number)
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irc.replySuccess()
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except dbi.NoRecordError:
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irc.error('There is no such factoid.')
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except MultiKeyError, e:
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irc.error('%s factoids have that key. '
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'Please specify which one to remove, '
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'or use * to designate all of them.' % str(e))
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forget = wrap(forget, ['channeldb',
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reversed(first('positiveInt', ('literal', '*'))),
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'text'], allowExtra=True)
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def random(self, irc, msg, args, channel):
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"""[<channel>]
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Returns a random factoid from the database for <channel>. <channel>
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is only necessary if the message isn't sent in the channel itself.
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"""
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try:
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L = ['"%s": %s' % (ircutils.bold(k), v)
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for (k, v) in self.db.random(channel)]
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irc.reply('; '.join(L))
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except dbi.NoRecordError:
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irc.error('I couldn\'t find a factoid.')
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random = wrap(random, ['channeldb'])
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def info(self, irc, msg, args, channel, key):
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"""[<channel>] <key>
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Gives information about the factoid(s) associated with <key>.
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<channel> is only necessary if the message isn't sent in the channel
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itself.
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"""
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try:
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(locked, factoids) = self.db.info(channel, key)
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except dbi.NoRecordError:
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irc.error('No factoid matches that key.', Raise=True)
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L = []
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counter = 0
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for (added_by, added_at) in factoids:
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counter += 1
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added_at = time.strftime(conf.supybot.humanTimestampFormat(),
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time.localtime(int(added_at)))
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L.append('#%s was added by %s at %s' % (counter,added_by,added_at))
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factoids = '; '.join(L)
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s = 'Key %s is %s and has %s associated with it: %s' % \
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(utils.quoted(key), locked and 'locked' or 'not locked',
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utils.nItems('factoid', counter), factoids)
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irc.reply(s)
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info = wrap(info, ['channeldb', 'text'], allowExtra=True)
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def change(self, irc, msg, args):
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"""[<channel>] <key> <number> <regexp>
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Changes the factoid #<number> associated with <key> according to
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<regexp>.
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"""
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channel = privmsgs.getChannel(msg, args)
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(key, number, regexp) = privmsgs.getArgs(args, required=3)
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try:
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replacer = utils.perlReToReplacer(regexp)
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except ValueError, e:
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irc.error('Invalid regexp: %s' % e)
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return
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try:
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number = int(number)
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if number <= 0:
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raise ValueError
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except ValueError:
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irc.error('Invalid key id.')
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return
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("""SELECT factoids.id, factoids.fact
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FROM keys, factoids
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WHERE keys.key LIKE %s AND
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keys.id=factoids.key_id""", key)
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if cursor.rowcount == 0:
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irc.error('I couldn\'t find any key %s' % utils.quoted(key))
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return
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elif cursor.rowcount < number:
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irc.error('That\'s not a valid key id.')
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return
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(id, fact) = cursor.fetchall()[number-1]
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newfact = replacer(fact)
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cursor.execute("UPDATE factoids SET fact=%s WHERE id=%s", newfact, id)
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db.commit()
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irc.replySuccess()
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def search(self, irc, msg, args, channel, optlist, globs):
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"""[<channel>] [--values] [--{regexp}=<value>] [<glob>]
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Searches the keyspace for keys matching <glob>. If --regexp is given,
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it associated value is taken as a regexp and matched against the keys.
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If --values is given, search the value space instead of the keyspace.
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"""
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if not optlist and not globs:
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raise callbacks.ArgumentError
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values = False
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for (option, arg) in optlist:
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if option == 'values':
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values = True
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elif option == 'regexp':
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predicates.append(r.search)
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L = []
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for glob in globs:
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if '*' not in glob and '?' not in glob:
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glob = '*%s*' % glob
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L.append(glob)
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try:
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factoids = self.db.select(channel, values, predicates, L)
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if isinstance(factoids, basestring):
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self.whatis(irc, msg, factoids)
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elif factoids is None:
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|
irc.reply('More than 100 keys matched that query; '
|
|
'please narrow your query.')
|
|
else:
|
|
keys = [repr(t[0]) for t in factoids]
|
|
s = utils.commaAndify(keys)
|
|
irc.reply(s)
|
|
except dbi.NoRecordError:
|
|
irc.reply('No keys matched that query.')
|
|
search = wrap(search, ['channeldb',
|
|
getopts({'values':'', 'regexp':'regexpMatcher'}),
|
|
additional('text')])
|
|
|
|
|
|
Class = Factoids
|
|
|
|
|
|
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
|