mirror of
https://github.com/Mikaela/Limnoria.git
synced 2024-11-02 17:29:22 +01:00
391 lines
15 KiB
Python
391 lines
15 KiB
Python
###
|
|
# Copyright (c) 2002-2004, 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.
|
|
###
|
|
|
|
"""
|
|
The Lookup plugin handles looking up various values by their key.
|
|
"""
|
|
|
|
import supybot
|
|
|
|
__revision__ = "$Id$"
|
|
__contributors__ = {
|
|
supybot.authors.skorobeus: ['--nokey parameter', 'database abstraction'],
|
|
}
|
|
|
|
import supybot.plugins as plugins
|
|
|
|
import os
|
|
import re
|
|
import sys
|
|
import sets
|
|
import getopt
|
|
import string
|
|
|
|
import supybot.dbi as dbi
|
|
import supybot.conf as conf
|
|
import supybot.utils as utils
|
|
from supybot.commands import *
|
|
import supybot.privmsgs as privmsgs
|
|
import supybot.registry as registry
|
|
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.sf.net/>'
|
|
|
|
def configure(advanced):
|
|
from supybot.questions import output, expect, anything, something, yn
|
|
conf.registerPlugin('Lookup', True)
|
|
lookups = conf.supybot.plugins.Lookup.lookups
|
|
output("""This module allows you to define commands that do a simple key
|
|
lookup and return some simple value. It has a command "add"
|
|
that takes a command name and a file from the data dir and adds a
|
|
command with that name that responds with the mapping from that
|
|
file. The file itself should be composed of lines
|
|
of the form key:value.""")
|
|
while yn('Would you like to add a file?'):
|
|
filename = something('What\'s the filename?')
|
|
try:
|
|
fd = file(filename)
|
|
except EnvironmentError, e:
|
|
output('I couldn\'t open that file: %s' % e)
|
|
continue
|
|
counter = 1
|
|
try:
|
|
for line in fd:
|
|
line = line.rstrip('\r\n')
|
|
if not line or line.startswith('#'):
|
|
continue
|
|
(key, value) = line.split(':', 1)
|
|
counter += 1
|
|
except ValueError:
|
|
output('That\'s not a valid file; '
|
|
'line #%s is malformed.' % counter)
|
|
continue
|
|
command = something('What would you like the command to be?')
|
|
conf.registerGlobalValue(lookups,command, registry.String(filename,''))
|
|
nokeyVal = yn('Would you like the key to be shown for random \
|
|
responses?')
|
|
conf.registerGlobalValue(lookups.get(command), 'nokey',
|
|
registry.Boolean(nokeyVal, ''))
|
|
|
|
conf.registerPlugin('Lookup')
|
|
conf.registerGroup(conf.supybot.plugins.Lookup, 'lookups')
|
|
|
|
class SqliteLookupDB(object):
|
|
def __init__(self, filename):
|
|
try:
|
|
import sqlite
|
|
except ImportError:
|
|
raise callbacks.Error, 'You need to have PySQLite installed to '\
|
|
'use this plugin. Download it at '\
|
|
'<http://pysqlite.sf.net/>'
|
|
self.filename = filename
|
|
try:
|
|
self.db = sqlite.connect(self.filename)
|
|
except sqlite.DatabaseError, e:
|
|
raise dbi.InvalidDBError, str(e)
|
|
|
|
def close(self):
|
|
self.db.close()
|
|
|
|
def getRecordCount(self, tableName):
|
|
cursor = self.db.cursor()
|
|
cursor.execute("""SELECT COUNT(*) FROM %s""" % tableName)
|
|
rows = int(cursor.fetchone()[0])
|
|
if rows == 0:
|
|
raise dbi.NoRecordError
|
|
return rows
|
|
|
|
def checkLookup(self, name):
|
|
cursor = self.db.cursor()
|
|
sql = "SELECT name FROM sqlite_master \
|
|
WHERE type='table' \
|
|
AND name='%s'" % name
|
|
cursor.execute(sql)
|
|
if cursor.rowcount == 0:
|
|
return False
|
|
else:
|
|
return True
|
|
|
|
def addLookup(self, name, fd, splitRe):
|
|
cursor = self.db.cursor()
|
|
cursor.execute("CREATE TABLE %s (key TEXT, value TEXT)" % name)
|
|
sql = "INSERT INTO %s VALUES (%%s, %%s)" % name
|
|
for line in utils.nonCommentNonEmptyLines(fd):
|
|
line = line.rstrip('\r\n')
|
|
try:
|
|
(key, value) = splitRe.split(line, 1)
|
|
key = key.replace('\\:', ':')
|
|
except ValueError:
|
|
cursor.execute("""DROP TABLE %s""" % name)
|
|
s = 'Invalid line in %s: %s' % (filename, utils.quoted(line))
|
|
raise callbacks.Error, s
|
|
cursor.execute(sql, key, value)
|
|
cursor.execute("CREATE INDEX %s_keys ON %s (key)" % (name, name))
|
|
self.db.commit()
|
|
|
|
def dropLookup(self, name):
|
|
cursor = self.db.cursor()
|
|
if self.checkLookup(name):
|
|
cursor.execute("""DROP TABLE %s""" % name)
|
|
self.db.commit()
|
|
else:
|
|
raise dbi.NoRecordError
|
|
|
|
def getResults(self, name, key):
|
|
cursor = self.db.cursor()
|
|
sql = """SELECT value FROM %s WHERE key LIKE %%s""" % name
|
|
cursor.execute(sql, key)
|
|
if cursor.rowcount == 0:
|
|
raise dbi.NoRecordError
|
|
else:
|
|
return cursor.fetchall()
|
|
|
|
def getRandomResult(self, name, key):
|
|
cursor = self.db.cursor()
|
|
sql = """SELECT key, value FROM %s
|
|
ORDER BY random() LIMIT 1""" % name
|
|
cursor.execute(sql)
|
|
if cursor.rowcount == 0:
|
|
raise dbi.NoRecordError
|
|
else:
|
|
return cursor.fetchone()
|
|
|
|
_sqlTrans = string.maketrans('*?', '%_')
|
|
def searchResults(self, name, options, globs, column):
|
|
cursor = self.db.cursor()
|
|
criteria = []
|
|
formats = []
|
|
predicateName = 'p'
|
|
for (option, arg) in options:
|
|
if option == '--regexp':
|
|
criteria.append('%s(%s)' % (predicateName, column))
|
|
try:
|
|
r = utils.perlReToPythonRe(arg)
|
|
except ValueError, e:
|
|
irc.errorInvalid('regular expression' % arg)
|
|
return
|
|
def p(s, r=r):
|
|
return int(bool(r.search(s)))
|
|
self.db.create_function(predicateName, 1, p)
|
|
predicateName += 'p'
|
|
for glob in globs.split():
|
|
if '?' not in glob and '*' not in glob:
|
|
glob = '*%s*' % glob
|
|
criteria.append('%s LIKE %%s' % column)
|
|
formats.append(glob.translate(self._sqlTrans))
|
|
if not criteria:
|
|
raise callbacks.ArgumentError
|
|
#print 'criteria: %s' % repr(criteria)
|
|
#print 'formats: %s' % repr(formats)
|
|
sql = """SELECT key, value FROM %s WHERE %s""" % \
|
|
(name, ' AND '.join(criteria))
|
|
#print 'sql: %s' % sql
|
|
cursor.execute(sql, formats)
|
|
if cursor.rowcount == 0:
|
|
raise dbi.NoRecordError
|
|
else:
|
|
return cursor.fetchall()
|
|
|
|
LookupDB = plugins.DB('Lookup', {'sqlite': SqliteLookupDB,})
|
|
|
|
class Lookup(callbacks.Privmsg):
|
|
def __init__(self):
|
|
callbacks.Privmsg.__init__(self)
|
|
self.lookupDomains = sets.Set()
|
|
try:
|
|
self.db = LookupDB()
|
|
except Exception:
|
|
self.log.exception('Error loading %s:', self.filename)
|
|
raise # So it doesn't get loaded without its database.
|
|
for (name, value) in registry._cache.iteritems():
|
|
name = name.lower()
|
|
if name.startswith('supybot.plugins.lookup.lookups.'):
|
|
name = name[len('supybot.plugins.lookup.lookups.'):]
|
|
if '.' in name:
|
|
continue
|
|
self.addRegistryValue(name, value)
|
|
group = conf.supybot.plugins.Lookup.lookups
|
|
for (name, value) in group.getValues(fullNames=False):
|
|
name = name.lower() # Just in case.
|
|
filename = value()
|
|
try:
|
|
if not self.db.checkLookup(name):
|
|
self.addDatabase(name, filename)
|
|
self.addCommand(name)
|
|
except Exception, e:
|
|
self.log.warning('Couldn\'t add lookup %s: %s', name, e)
|
|
|
|
def _shrink(self, s):
|
|
return utils.ellipsisify(s, 50)
|
|
|
|
def die(self):
|
|
self.db.close()
|
|
|
|
def remove(self, irc, msg, args, name):
|
|
"""<name>
|
|
|
|
Removes the lookup for <name>.
|
|
"""
|
|
if name not in self.lookupDomains:
|
|
irc.error('That\'s not a valid lookup to remove.')
|
|
return
|
|
try:
|
|
self.db.dropLookup(name)
|
|
delattr(self.__class__, name)
|
|
self.delRegistryValues(name)
|
|
irc.replySuccess()
|
|
except dbi.NoRecordError:
|
|
irc.error('No such lookup exists.')
|
|
remove = wrap(remove, [('checkCapability', 'admin'), 'commandName'])
|
|
|
|
_splitRe = re.compile(r'(?<!\\):')
|
|
def add(self, irc, msg, args, optlist, name, filename):
|
|
"""[--nokey] <name> <filename>
|
|
|
|
Adds a lookup for <name> with the key/value pairs specified in the
|
|
colon-delimited file specified by <filename>. <filename> is searched
|
|
for in conf.supybot.directories.data. If <name> is not singular, we
|
|
try to make it singular before creating the command. If the --nokey
|
|
option is specified, the new lookup will display only the value when
|
|
queried, and will omit the key from the response.
|
|
"""
|
|
nokey = False
|
|
for (option, argument) in optlist:
|
|
if option == 'nokey':
|
|
nokey = True
|
|
name = utils.depluralize(name)
|
|
if hasattr(self, name):
|
|
s = 'I already have a command in this plugin named %s' % name
|
|
irc.error(s)
|
|
return
|
|
if not self.db.checkLookup(name):
|
|
try:
|
|
self.addDatabase(name, filename)
|
|
except EnvironmentError, e:
|
|
irc.error('Could not open %s: %s' % (filename, e.args[1]))
|
|
return
|
|
self.addCommand(name)
|
|
self.addRegistryValue(name, filename, nokey)
|
|
irc.replySuccess('Lookup %s added.' % name)
|
|
add = wrap(add, [('checkCapability', 'admin'), getopts({'nokey':''}),
|
|
'commandName', 'filename'])
|
|
|
|
def addRegistryValue(self, name, filename, nokey = False):
|
|
group = conf.supybot.plugins.Lookup.lookups
|
|
conf.registerGlobalValue(group, name, registry.String(filename, ''))
|
|
#print 'nokey: %s' % nokey
|
|
conf.registerGlobalValue(group.get(name), 'nokey',
|
|
registry.Boolean(nokey, ''))
|
|
|
|
def delRegistryValues(self, name):
|
|
group = conf.supybot.plugins.Lookup.lookups
|
|
group.unregister(name)
|
|
|
|
def addDatabase(self, name, filename):
|
|
filename = conf.supybot.directories.data.dirize(filename)
|
|
fd = file(filename)
|
|
self.db.addLookup(name, fd, self._splitRe)
|
|
|
|
def addCommand(self, name):
|
|
def f(self, irc, msg, args):
|
|
args.insert(0, name)
|
|
self._lookup(irc, msg, args)
|
|
rows = self.db.getRecordCount(name)
|
|
docstring = """[<key>]
|
|
|
|
If <key> is given, looks up <key> in the %s database. Otherwise,
|
|
returns a random key: value pair from the database. There are
|
|
%s in the database.
|
|
""" % (name, utils.nItems(name, rows))
|
|
f = utils.changeFunctionName(f, name, docstring)
|
|
self.lookupDomains.add(name)
|
|
setattr(self.__class__, name, f)
|
|
|
|
def search(self, irc, msg, args):
|
|
"""[--{regexp}=<value>] [--values] <name> <glob>
|
|
|
|
Searches the domain <name> for lookups matching <glob>. If --regexp
|
|
is given, its associated value is taken as a regexp and matched
|
|
against the lookups. If --values is given, search the values rather
|
|
than the keys.
|
|
"""
|
|
column = 'key'
|
|
while '--values' in args:
|
|
column = 'value'
|
|
args.remove('--values')
|
|
(options, rest) = getopt.getopt(args, '', ['regexp='])
|
|
(name, globs) = privmsgs.getArgs(rest, optional=1)
|
|
if self.db.checkLookup(name):
|
|
try:
|
|
results = self.db.searchResults(name, options, globs, column)
|
|
lookups = ['%s: %s' % (item[0], self._shrink(item[1]))
|
|
for item in results]
|
|
irc.reply(utils.commaAndify(lookups))
|
|
except dbi.NoRecordError:
|
|
irc.reply('No entries in %s matched that query.' % name)
|
|
else:
|
|
irc.error('I don\'t have a domain %s' % name)
|
|
|
|
def _lookup(self, irc, msg, args, name, key):
|
|
"""<name> <key>
|
|
|
|
Looks up the value of <key> in the domain <name>.
|
|
"""
|
|
if self.db.checkLookup(name):
|
|
results = []
|
|
if key:
|
|
try:
|
|
results = self.db.getResults(name, key)
|
|
except dbi.NoRecordError:
|
|
irc.error('I couldn\'t find %s in %s.' % (key, name))
|
|
return
|
|
if len(results) == 1:
|
|
irc.reply(results[0][0])
|
|
else:
|
|
values = [t[0] for t in results]
|
|
irc.reply('%s could be %s' % (key, ', or '.join(values)))
|
|
else:
|
|
(key, value) = self.db.getRandomResult(name, key)
|
|
nokeyRegKey = 'lookups.%s.nokey' % name
|
|
if not self.registryValue(nokeyRegKey):
|
|
irc.reply('%s: %s' % (key, value))
|
|
else:
|
|
irc.reply('%s' % value)
|
|
else:
|
|
irc.error('I don\'t have a domain %s' % name)
|
|
_lookup = wrap(_lookup, ['something', additional('text')])
|
|
|
|
Class = Lookup
|
|
|
|
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
|