Limnoria/plugins/Todo.py

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#!/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.
###
"""
The Todo module allows registered users to keep their own personal list of
tasks to do, with an optional priority for each.
"""
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__revision__ = "$Id$"
import plugins
import glob
import time
import getopt
import string
import os.path
import conf
import ircdb
import utils
import privmsgs
import 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/>'
dbfilename = os.path.join(conf.dataDir, 'Todo.db')
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 Todo')
class Todo(callbacks.Privmsg):
def __init__(self):
callbacks.Privmsg.__init__(self)
self.makeDB(dbfilename)
def makeDB(self, filename):
"""create Todo database and tables"""
if os.path.exists(filename):
self.db = sqlite.connect(filename)
return
self.db = sqlite.connect(filename, converters={'bool': bool})
cursor = self.db.cursor()
cursor.execute("""CREATE TABLE todo (
id INTEGER PRIMARY KEY,
priority INTEGER,
added_at TIMESTAMP,
userid INTEGER,
task TEXT,
active BOOLEAN
)""")
self.db.commit()
def die(self):
self.db.commit()
self.db.close()
del self.db
def todo(self, irc, msg, args):
"""[<username>|<task id>]
Retrieves a task for the given task id. If no task id is given, it
will return a list of task ids that that user has added to their todo
list.
"""
arg = privmsgs.getArgs(args, required=0, optional=1)
userid = None
taskid = None
# Figure out what userid and taskid need to be set to (if anything)
if not arg:
pass
else:
try:
taskid = int(arg)
except ValueError:
try:
userid = ircdb.users.getUserId(arg)
except KeyError:
irc.error(msg,
'%r is not a valid task id or username' % arg)
return
# Everything needs a cursor, might as well plop it outside
if not userid and not taskid:
try:
id = ircdb.users.getUserId(msg.prefix)
except KeyError:
irc.error(msg, conf.replyNotRegistered)
return
cursor = self.db.cursor()
cursor.execute("""SELECT id, task FROM todo
WHERE userid = %s AND active = 1
ORDER BY priority, id""", id)
if cursor.rowcount == 0:
irc.reply(msg, 'You have no tasks in your todo list.')
return
s = ['#%s: %s' % (item[0], utils.ellipsisify(item[1], 50)) \
for item in cursor.fetchall()]
irc.reply(msg, utils.commaAndify(s))
else:
cursor = self.db.cursor()
if userid:
cursor.execute("""SELECT id, task FROM todo
WHERE userid = %s AND active = 1
ORDER BY priority, id""", userid)
if cursor.rowcount == 0:
irc.reply(msg, 'That user has no todos.')
return
s = ['#%s: %s' % (item[0], utils.ellipsisify(item[1], 50)) \
for item in cursor.fetchall()]
reply = "%s for %s: %s" % \
(utils.pluralize(len(s), 'Todo'), arg,
utils.commaAndify(s))
irc.reply(msg, reply)
return
else:
cursor.execute("""SELECT userid, priority, added_at, task
FROM todo WHERE id = %s
AND active = 1""", taskid)
if cursor.rowcount == 0:
irc.error(msg, '%r is not a valid task id' % taskid)
return
userid, pri, added_at, task = cursor.fetchone()
# Construct and return the reply
username = ircdb.users.getUser(userid).name
if pri == 0:
priority = ""
else:
priority = ", priority: %s" % pri
added_time = time.strftime(conf.humanTimestampFormat,
time.localtime(int(added_at)))
s = "Todo for %s: %s%s (Added at %s)" % \
(username, task, priority, added_time)
irc.reply(msg, s)
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def add(self, irc, msg, args):
"""[--priority=<num>] <text>
Adds <text> as a task in your own personal todo list. The optional
priority argument allows you to set a task as a high or low priority.
Any integer is valid.
"""
try:
id = ircdb.users.getUserId(msg.prefix)
except KeyError:
irc.error(msg, conf.replyNotRegistered)
return
(optlist, rest) = getopt.getopt(args, '', ['priority='])
priority = 0
for (option, arg) in optlist:
if option == '--priority':
try:
priority = int(arg)
except ValueError, e:
irc.error(msg, '%r is an invalid priority' % arg)
return
text = privmsgs.getArgs(rest, required=1)
cursor = self.db.cursor()
now = int(time.time())
cursor.execute("""INSERT INTO todo
VALUES (NULL, %s, %s, %s, %s, 1)""",
priority, now, id, text)
self.db.commit()
cursor.execute("""SELECT id FROM todo
WHERE added_at=%s AND userid=%s""", now, id)
todoId = cursor.fetchone()[0]
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irc.reply(msg, '%s (Todo #%s added)' % (conf.replySuccess, todoId))
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def remove(self, irc, msg, args):
"""<task id>
Removes <task id> from your personal todo list.
"""
try:
id = ircdb.users.getUserId(msg.prefix)
except KeyError:
irc.error(msg, conf.replyNotRegistered)
return
taskid = privmsgs.getArgs(args, required=1)
cursor = self.db.cursor()
cursor.execute("""SELECT * FROM todo
WHERE id = %s AND userid = %s
AND active = 1""", taskid, id)
if cursor.rowcount == 0:
irc.error(msg, 'None of your tasks match that id.')
return
cursor.execute("""UPDATE todo SET active = 0 WHERE id = %s""", taskid)
self.db.commit()
irc.reply(msg, conf.replySuccess)
_sqlTrans = string.maketrans('*?', '%_')
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def search(self, irc, msg, args):
"""[--{regexp,exact}=<value>] [<glob>]
Searches the keyspace for tasks matching <glob>. If --regexp is given,
it associated value is taken as a regexp and matched against the tasks;
if --exact is given, its associated value is taken as an exact string
to match against the task.
"""
try:
id = ircdb.users.getUserId(msg.prefix)
except KeyError:
irc.error(msg, conf.replyNotRegistered)
return
(optlist, rest) = getopt.getopt(args, '', ['regexp=', 'exact='])
if not optlist and not rest:
raise callbacks.ArgumentError
criteria = ['userid = %s' % id, 'active = 1']
formats = []
predicateName = 'p'
for (option, arg) in optlist:
if option == '--exact':
criteria.append('task LIKE %s')
formats.append('%' + arg + '%')
elif option == '--regexp':
criteria.append('%s(task)' % predicateName)
try:
r = utils.perlReToPythonRe(arg)
except ValueError, e:
irc.error(msg, '%r is not a valid 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 rest:
criteria.append('task LIKE %s')
formats.append(glob.translate(self._sqlTrans))
cursor = self.db.cursor()
sql = """SELECT id, task FROM todo WHERE %s""" % ' AND '.join(criteria)
cursor.execute(sql, formats)
if cursor.rowcount == 0:
irc.reply(msg, 'No tasks matched that query.')
else:
tasks = ['#%s: %s' % (item[0], utils.ellipsisify(item[1], 50)) \
for item in cursor.fetchall()]
irc.reply(msg, utils.commaAndify(tasks))
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def setpriority(self, irc, msg, args):
"""<id> <priority>
Sets the priority of the todo with the given id to the specified value.
"""
try:
user_id = ircdb.users.getUserId(msg.prefix)
except KeyError:
irc.error(msg, conf.replyNotRegistered)
return
(id, priority) = privmsgs.getArgs(args, required=2)
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cursor = self.db.cursor()
cursor.execute("""SELECT userid, priority FROM todo
WHERE id = %s AND active = 1""", id)
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if cursor.rowcount == 0:
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irc.error(msg, 'No note with id %s' % id)
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return
(userid, oldpriority) = cursor.fetchone()
if userid != user_id:
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irc.error(msg, 'Todo #%s does not belong to you.' % id)
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return
# If we make it here, we're okay
cursor.execute("""UPDATE todo SET priority = %s
WHERE id = %s""", priority, id)
self.db.commit()
irc.reply(msg, conf.replySuccess)
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def change(self, irc, msg, args):
"""<task id> <regexp>
Modify the task with the given id using the supplied regexp.
"""
try:
userid = ircdb.users.getUserId(msg.prefix)
except KeyError:
irc.error(msg, conf.replyNotRegistered)
return
taskid, regexp = privmsgs.getArgs(args, required=2)
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# Check the regexp first, it's easier and doesn't require a db query
try:
replacer = utils.perlReToReplacer(regexp)
except ValueError:
irc.error(msg, '%r is not a valid regexp' % regexp)
return
cursor = self.db.cursor()
cursor.execute("""SELECT task FROM todo
WHERE userid = %s AND id = %s
AND active = 1""", userid, taskid)
if cursor.rowcount == 0:
irc.error(msg, '%r is not a valid task id' % taskid)
return
newtext = replacer(cursor.fetchone()[0])
cursor.execute("""UPDATE todo SET task = %s
WHERE id = %s""", newtext, taskid)
self.db.commit()
irc.reply(msg, conf.replySuccess)
Class = Todo
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: