Limnoria/plugins/Aka/plugin.py

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###
# Copyright (c) 2013, Valentin Lorentz
# 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 re
import os
import sys
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import datetime
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import supybot.conf as conf
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import supybot.utils as utils
import supybot.ircdb as ircdb
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from supybot.commands import *
import supybot.plugins as plugins
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import supybot.utils.minisix as minisix
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import supybot.ircutils as ircutils
import supybot.callbacks as callbacks
import supybot.httpserver as httpserver
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from supybot.i18n import PluginInternationalization
_ = PluginInternationalization('Aka')
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try:
import sqlite3
except ImportError:
sqlite3 = None
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try:
import sqlalchemy
import sqlalchemy.ext
import sqlalchemy.ext.declarative
except ImportError:
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sqlalchemy = None
if not (sqlite3 or sqlalchemy):
raise callbacks.Error('You have to install python-sqlite3 or '
'python-sqlalchemy in order to load this plugin.')
available_db = {}
class Alias(object):
__slots__ = ('name', 'alias', 'locked', 'locked_by', 'locked_at')
def __init__(self, name, alias):
self.name = name
self.alias = alias
self.locked = False
self.locked_by = None
self.locked_at = None
def __repr__(self):
return "<Alias('%r', '%r')>" % (self.name, self.alias)
if sqlite3:
class SQLiteAkaDB(object):
__slots__ = ('engines', 'filename', 'dbs',)
def __init__(self, filename):
self.engines = ircutils.IrcDict()
self.filename = filename.replace('sqlite3', 'sqlalchemy')
def close(self):
self.dbs.clear()
def get_db(self, channel):
if channel in self.engines:
engine = self.engines[channel]
else:
filename = plugins.makeChannelFilename(self.filename, channel)
exists = os.path.exists(filename)
engine = sqlite3.connect(filename, check_same_thread=False)
if not exists:
cursor = engine.cursor()
cursor.execute("""CREATE TABLE aliases (
id INTEGER NOT NULL,
name VARCHAR NOT NULL,
alias VARCHAR NOT NULL,
locked BOOLEAN NOT NULL,
locked_by VARCHAR,
locked_at DATETIME,
PRIMARY KEY (id),
UNIQUE (name))""")
engine.commit()
self.engines[channel] = engine
assert engine.execute("select 1").fetchone() == (1,)
return engine
def has_aka(self, channel, name):
name = callbacks.canonicalName(name, preserve_spaces=True)
if minisix.PY2 and isinstance(name, str):
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name = name.decode('utf8')
db = self.get_db(channel)
return self.get_db(channel).cursor() \
.execute("""SELECT COUNT() as count
FROM aliases WHERE name = ?;""", (name,)) \
.fetchone()[0]
def get_aka_list(self, channel):
cursor = self.get_db(channel).cursor()
cursor.execute("""SELECT name FROM aliases;""")
list_ = cursor.fetchall()
return list_
def get_alias(self, channel, name):
name = callbacks.canonicalName(name, preserve_spaces=True)
if minisix.PY2 and isinstance(name, str):
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name = name.decode('utf8')
cursor = self.get_db(channel).cursor()
cursor.execute("""SELECT alias FROM aliases
WHERE name = ?;""", (name,))
r = cursor.fetchone()
if r:
return r[0]
else:
return None
def add_aka(self, channel, name, alias):
name = callbacks.canonicalName(name, preserve_spaces=True)
if self.has_aka(channel, name):
raise AkaError(_('This Aka already exists.'))
if minisix.PY2:
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if isinstance(name, str):
name = name.decode('utf8')
if isinstance(alias, str):
alias = alias.decode('utf8')
db = self.get_db(channel)
cursor = db.cursor()
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cursor.execute("""INSERT INTO aliases VALUES (
NULL, ?, ?, 0, NULL, NULL);""", (name, alias))
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db.commit()
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def remove_aka(self, channel, name):
name = callbacks.canonicalName(name, preserve_spaces=True)
if minisix.PY2 and isinstance(name, str):
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name = name.decode('utf8')
db = self.get_db(channel)
db.cursor().execute('DELETE FROM aliases WHERE name = ?', (name,))
db.commit()
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def lock_aka(self, channel, name, by):
name = callbacks.canonicalName(name, preserve_spaces=True)
if minisix.PY2 and isinstance(name, str):
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name = name.decode('utf8')
db = self.get_db(channel)
cursor = db.cursor().execute("""UPDATE aliases
SET locked=1, locked_at=?, locked_by=? WHERE name = ?""",
(datetime.datetime.now(), by, name))
if cursor.rowcount == 0:
raise AkaError(_('This Aka does not exist.'))
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db.commit()
def unlock_aka(self, channel, name, by):
name = callbacks.canonicalName(name, preserve_spaces=True)
if minisix.PY2 and isinstance(name, str):
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name = name.decode('utf8')
db = self.get_db(channel)
cursor = db.cursor()
cursor.execute("""UPDATE aliases SET locked=0, locked_at=?
WHERE name = ?""", (datetime.datetime.now(), name))
if cursor.rowcount == 0:
raise AkaError(_('This Aka does not exist.'))
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db.commit()
def get_aka_lock(self, channel, name):
name = callbacks.canonicalName(name, preserve_spaces=True)
if minisix.PY2 and isinstance(name, str):
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name = name.decode('utf8')
cursor = self.get_db(channel).cursor()
cursor.execute("""SELECT locked, locked_by, locked_at
FROM aliases WHERE name = ?;""", (name,))
r = cursor.fetchone()
if r:
return (bool(r[0]), r[1], r[2])
else:
raise AkaError(_('This Aka does not exist.'))
def get_all(self, channel):
cursor = self.get_db(channel).cursor()
cursor.execute("""
SELECT id, name, alias, locked, locked_by, locked_at
FROM aliases;
""")
return cursor.fetchall()
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available_db.update({'sqlite3': SQLiteAkaDB})
elif sqlalchemy:
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Base = sqlalchemy.ext.declarative.declarative_base()
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class SQLAlchemyAlias(Alias, Base):
__slots__ = ()
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__tablename__ = 'aliases'
id = sqlalchemy.Column(sqlalchemy.Integer, primary_key=True)
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name = sqlalchemy.Column(sqlalchemy.String, unique=True, nullable=False)
alias = sqlalchemy.Column(sqlalchemy.String, nullable=False)
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locked = sqlalchemy.Column(sqlalchemy.Boolean, nullable=False)
locked_by = sqlalchemy.Column(sqlalchemy.String, nullable=True)
locked_at = sqlalchemy.Column(sqlalchemy.DateTime, nullable=True)
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# TODO: Add table for usage statistics
class SqlAlchemyAkaDB(object):
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__slots__ = ('engines', 'filename', 'sqlalchemy', 'dbs')
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def __init__(self, filename):
self.engines = ircutils.IrcDict()
self.filename = filename
self.sqlalchemy = sqlalchemy
def close(self):
self.dbs.clear()
def get_db(self, channel):
if channel in self.engines:
engine = self.engines[channel]
else:
filename = plugins.makeChannelFilename(self.filename, channel)
exists = os.path.exists(filename)
engine = sqlalchemy.create_engine('sqlite:///' + filename)
if not exists:
Base.metadata.create_all(engine)
self.engines[channel] = engine
assert engine.execute("select 1").scalar() == 1
Session = sqlalchemy.orm.sessionmaker()
Session.configure(bind=engine)
return Session()
def has_aka(self, channel, name):
name = callbacks.canonicalName(name, preserve_spaces=True)
if minisix.PY2 and isinstance(name, str):
name = name.decode('utf8')
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count = self.get_db(channel).query(SQLAlchemyAlias) \
.filter(SQLAlchemyAlias.name == name) \
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.count()
return bool(count)
def get_aka_list(self, channel):
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list_ = list(self.get_db(channel).query(SQLAlchemyAlias.name))
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return list_
def get_alias(self, channel, name):
name = callbacks.canonicalName(name, preserve_spaces=True)
if minisix.PY2 and isinstance(name, str):
name = name.decode('utf8')
try:
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return self.get_db(channel).query(SQLAlchemyAlias.alias) \
.filter(SQLAlchemyAlias.name == name).one()[0]
except sqlalchemy.orm.exc.NoResultFound:
return None
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def add_aka(self, channel, name, alias):
name = callbacks.canonicalName(name, preserve_spaces=True)
if self.has_aka(channel, name):
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raise AkaError(_('This Aka already exists.'))
if minisix.PY2:
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if isinstance(name, str):
name = name.decode('utf8')
if isinstance(alias, str):
alias = alias.decode('utf8')
db = self.get_db(channel)
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db.add(SQLAlchemyAlias(name, alias))
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db.commit()
def remove_aka(self, channel, name):
name = callbacks.canonicalName(name, preserve_spaces=True)
if minisix.PY2 and isinstance(name, str):
name = name.decode('utf8')
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db = self.get_db(channel)
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db.query(SQLAlchemyAlias).filter(SQLAlchemyAlias.name == name).delete()
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db.commit()
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def lock_aka(self, channel, name, by):
name = callbacks.canonicalName(name, preserve_spaces=True)
if minisix.PY2 and isinstance(name, str):
name = name.decode('utf8')
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db = self.get_db(channel)
try:
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aka = db.query(SQLAlchemyAlias) \
.filter(SQLAlchemyAlias.name == name).one()
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except sqlalchemy.orm.exc.NoResultFound:
raise AkaError(_('This Aka does not exist.'))
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if aka.locked:
raise AkaError(_('This Aka is already locked.'))
aka.locked = True
aka.locked_by = by
aka.locked_at = datetime.datetime.now()
db.commit()
def unlock_aka(self, channel, name, by):
name = callbacks.canonicalName(name, preserve_spaces=True)
if minisix.PY2 and isinstance(name, str):
name = name.decode('utf8')
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db = self.get_db(channel)
try:
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aka = db.query(SQLAlchemyAlias) \
.filter(SQLAlchemyAlias.name == name).one()
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except sqlalchemy.orm.exc.NoResultFound:
raise AkaError(_('This Aka does not exist.'))
if not aka.locked:
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raise AkaError(_('This Aka is already unlocked.'))
aka.locked = False
aka.locked_by = by
aka.locked_at = datetime.datetime.now()
db.commit()
def get_aka_lock(self, channel, name):
name = callbacks.canonicalName(name, preserve_spaces=True)
if minisix.PY2 and isinstance(name, str):
name = name.decode('utf8')
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try:
return self.get_db(channel) \
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.query(SQLAlchemyAlias.locked, SQLAlchemyAlias.locked_by, SQLAlchemyAlias.locked_at)\
.filter(SQLAlchemyAlias.name == name).one()
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except sqlalchemy.orm.exc.NoResultFound:
raise AkaError(_('This Aka does not exist.'))
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def get_all(self, channel):
akas = self.get_db(channel).query(
SQLAlchemyAlias.id, SQLAlchemyAlias.name, SQLAlchemyAlias.alias,
SQLAlchemyAlias.locked, SQLAlchemyAlias.locked_by, SQLAlchemyAlias.locked_at
).all()
return map(
lambda aka: (aka.name, aka.alias, aka.locked, aka.locked_by, aka.locked_at),
akas
)
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available_db.update({'sqlalchemy': SqlAlchemyAkaDB})
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def getArgs(args, required=1, optional=0, wildcard=0):
if len(args) < required:
raise callbacks.ArgumentError
if len(args) < required + optional:
ret = list(args) + ([''] * (required + optional - len(args)))
elif len(args) >= required + optional:
if not wildcard:
ret = list(args[:required + optional - 1])
ret.append(' '.join(args[required + optional - 1:]))
else:
ret = list(args)
return ret
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class AkaError(Exception):
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pass
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class RecursiveAlias(AkaError):
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pass
dollarRe = re.compile(r'\$(\d+)')
def findBiggestDollar(alias):
dollars = dollarRe.findall(alias)
dollars = list(map(int, dollars))
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dollars.sort()
if dollars:
return dollars[-1]
else:
return 0
atRe = re.compile(r'@(\d+)')
def findBiggestAt(alias):
ats = atRe.findall(alias)
ats = list(map(int, ats))
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ats.sort()
if ats:
return ats[-1]
else:
return 0
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if 'sqlite3' in conf.supybot.databases() and 'sqlite3' in available_db:
AkaDB = SQLiteAkaDB
elif 'sqlalchemy' in conf.supybot.databases() and 'sqlalchemy' in available_db:
log.warning('Aka\'s only enabled database engine is SQLAlchemy, which '
'is deprecated. Please consider adding \'sqlite3\' to '
'supybot.databases (and/or install sqlite3).')
AkaDB = SqlAlchemyAkaDB
else:
raise plugins.NoSuitableDatabase(['sqlite3', 'sqlalchemy'])
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class AkaHTTPCallback(httpserver.SupyHTTPServerCallback):
name = 'Aka web interface'
base_template = '''\
<!DOCTYPE html>
<html>
<head>
<title>Aka</title>
<link rel="stylesheet" href="/default.css">
</head>
<body>
<h1>Aka</h1>
%s
</body>
</html>'''
index_template = base_template % '''\
<p>To view the global Akas either click <a href="list/global">here</a> or
enter 'global' in the form below.</p>
<form action="" method="post">
<label for="channel">Channel name:</label>
<input type="text" placeholder="#channel" name="channel" id="channel">
<input type="submit" name="submit" value="view">
</form>'''
list_template = base_template % '''\
<table>
<thead>
<th>Name</th>
<th>Alias</th>
<th>Locked</th>
</thead>
%s
</table>'''
def doGet(self, handler, path, *args, **kwargs):
if path == '/':
self.send_response(200)
self.send_header('Content-type', 'text/html; charset=utf-8')
self.end_headers()
self.write(self.index_template)
elif path.startswith('/list/'):
parts = path.split('/')
channel = parts[2] if len(parts) == 3 else 'global'
channel = utils.web.urlunquote(channel)
self.send_response(200)
self.send_header('Content-type', 'text/html; charset=utf-8')
self.end_headers()
akas = {}
for aka in self._plugin._db.get_all('global'):
akas[aka[1]] = aka
if channel != 'global':
for aka in self._plugin._db.get_all(channel):
akas[aka[1]] = aka
aka_rows = []
for (name, aka) in sorted(akas.items()):
(id, name, alias, locked, locked_by, locked_at) = aka
locked_column = 'False'
if locked:
locked_column = format(
_('By %s at %s'),
locked_by,
locked_at.split('.')[0],
)
aka_rows.append(
format(
"""
<tr>
<td style="white-space: nowrap;"><code>%s</code></td>
<td><code>%s<code></td>
<td style="white-space: nowrap;">%s</td>
</tr>
""",
utils.web.html_escape(name),
utils.web.html_escape(alias),
utils.web.html_escape(locked_column),
)
)
self.write(format(self.list_template, ''.join(aka_rows)))
def doPost(self, handler, path, form, *args, **kwargs):
if path == '/' and 'channel' in form:
self.send_response(303)
self.send_header(
'Location',
format('list/%s', utils.web.urlquote(form['channel'].value))
)
self.end_headers()
else:
self.send_response(400)
self.send_header('Content-type', 'text/plain; charset=utf-8')
self.end_headers()
self.write('Missing field \'channel\'.')
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class Aka(callbacks.Plugin):
"""
This plugin allows users to define aliases to commands and combinations
of commands (via nesting).
Importing from Alias
^^^^^^^^^^^^^^^^^^^^
Add an aka, Alias, which eases the transitioning to Aka from Alias.
First we will load Alias and Aka::
<jamessan> @load Alias
<bot> jamessan: The operation succeeded.
<jamessan> @load Aka
<bot> jamessan: The operation succeeded.
Then we import the Alias database to Aka in case it exists and unload
Alias::
<jamessan> @importaliasdatabase
<bot> jamessan: The operation succeeded.
<jamessan> @unload Alias
<bot> jamessan: The operation succeeded.
And now we will finally add the Aka ``alias`` itself::
<jamessan> @aka add "alias" "aka $1 $*"
<bot> jamessan: The operation succeeded.
Now you can use Aka as you used Alias before.
Trout
^^^^^
Add an aka, trout, which expects a word as an argument::
<jamessan> @aka add trout "reply action slaps $1 with a large trout"
<bot> jamessan: The operation succeeded.
<jamessan> @trout me
* bot slaps me with a large trout
This ``trout`` aka requires the plugin ``Reply`` to be loaded since it
provides the ``action`` command.
LastFM
^^^^^^
Add an aka, ``lastfm``, which expects a last.fm username and replies with
their most recently played item::
@aka add lastfm "rss [format concat http://ws.audioscrobbler.com/1.0/user/ [format concat [web urlquote $1] /recenttracks.rss]]"
This ``lastfm`` aka requires the following plugins to be loaded: ``RSS``,
``Format`` and ``Web``.
``RSS`` provides ``rss``, ``Format`` provides ``concat`` and ``Web`` provides
``urlquote``.
Note that if the nested commands being aliased hadn't been quoted, then
those commands would have been run immediately, and ``@lastfm`` would always
reply with the same information, the result of those commands.
"""
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def __init__(self, irc):
self.__parent = super(Aka, self)
self.__parent.__init__(irc)
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# "sqlalchemy" is only for backward compatibility
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filename = conf.supybot.directories.data.dirize('Aka.sqlalchemy.db')
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self._db = AkaDB(filename)
self._http_running = False
conf.supybot.plugins.Aka.web.enable.addCallback(self._httpConfCallback)
if self.registryValue('web.enable'):
self._startHttp()
def die(self):
if self._http_running:
self._stopHttp()
def _httpConfCallback(self):
if self.registryValue('web.enable'):
if not self._http_running:
self._startHttp()
else:
if self._http_running:
self._stopHttp()
def _startHttp(self):
callback = AkaHTTPCallback()
callback._plugin = self
httpserver.hook('aka', callback)
self._http_running = True
def _stopHttp(self):
httpserver.unhook('aka')
self._http_running = False
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def isCommandMethod(self, name):
args = name.split(' ')
if '|' in args:
return False
if len(args) > 1 and \
callbacks.canonicalName(args[0]) != self.canonicalName():
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for cb in dynamic.irc.callbacks: # including this plugin
if cb.isCommandMethod(' '.join(args[0:-1])):
return False
if minisix.PY2 and isinstance(name, str):
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name = name.decode('utf8')
channel = dynamic.channel or 'global'
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return self._db.has_aka(channel, name) or \
self._db.has_aka('global', name) or \
self.__parent.isCommandMethod(name)
isCommand = isCommandMethod
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def listCommands(self):
commands = ['add', 'remove', 'lock', 'unlock', 'importaliasdatabase',
'show', 'list', 'set', 'search']
return commands
def getCommand(self, args, check_other_plugins=True):
canonicalName = callbacks.canonicalName
# All the code from here to the 'for' loop is copied from callbacks.py
assert args == list(map(canonicalName, args))
first = args[0]
for cb in self.cbs:
if first == cb.canonicalName():
return cb.getCommand(args[1:])
if first == self.canonicalName() and len(args) > 1:
ret = self.getCommand(args[1:], False)
if ret:
return [first] + ret
max_length = self.registryValue('maximumWordsInName')
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for i in range(1, min(len(args)+1, max_length)):
if self.isCommandMethod(callbacks.formatCommand(args[0:i])):
return args[0:i]
return []
def getCommandMethod(self, command):
if len(command) == 1 or command[0] == self.canonicalName():
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try:
return self.__parent.getCommandMethod(command)
except AttributeError:
pass
name = callbacks.formatCommand(command)
channel = dynamic.channel or 'global'
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original = self._db.get_alias(channel, name)
if not original:
original = self._db.get_alias('global', name)
biggestDollar = findBiggestDollar(original)
biggestAt = findBiggestAt(original)
wildcard = '$*' in original
def f(irc, msg, args):
tokens = callbacks.tokenize(original)
if biggestDollar or biggestAt:
args = getArgs(args, required=biggestDollar, optional=biggestAt,
wildcard=wildcard)
remaining_len = conf.supybot.reply.maximumLength()
for (i, arg) in enumerate(args):
if remaining_len < len(arg):
arg = arg[0:remaining_len]
args[i+1:] = []
break
remaining_len -= len(arg)
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def regexpReplace(m):
idx = int(m.group(1))
return args[idx-1]
def replace(tokens, replacer):
for (i, token) in enumerate(tokens):
if isinstance(token, list):
replace(token, replacer)
else:
tokens[i] = replacer(token)
replace(tokens, lambda s: dollarRe.sub(regexpReplace, s))
if biggestAt:
assert not wildcard
args = args[biggestDollar:]
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replace(tokens, lambda s: atRe.sub(regexpReplace, s))
if wildcard:
assert not biggestAt
# Gotta remove the things that have already been subbed in.
i = biggestDollar
args[:] = args[i:]
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def everythingReplace(tokens):
skip = 0
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for (i, token) in enumerate(tokens):
if skip:
skip -= 1
continue
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if isinstance(token, list):
everythingReplace(token)
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if token == '$*':
tokens[i:i+1] = args
skip = len(args)-1 # do not make replacements in
# tokens we just added
elif '$*' in token:
tokens[i] = token.replace('$*', ' '.join(args))
everythingReplace(tokens)
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maxNesting = conf.supybot.commands.nested.maximum()
if maxNesting and irc.nested+1 > maxNesting:
irc.error(_('You\'ve attempted more nesting than is '
'currently allowed on this bot.'), Raise=True)
self.Proxy(irc, msg, tokens, nested=irc.nested+1)
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if biggestDollar and (wildcard or biggestAt):
flexargs = _(' at least')
else:
flexargs = ''
try:
lock = self._db.get_aka_lock(channel, name)
except AkaError:
lock = self._db.get_aka_lock('global', name)
(locked, locked_by, locked_at) = lock
if locked:
lock = ' ' + _('Locked by %s at %s') % (locked_by, locked_at)
else:
lock = ''
escaped_command = original.replace('\\', '\\\\').replace('"', '\\"')
if channel == 'global':
doc = format(_('<a global alias,%s %n>\n\nAlias for %q.%s'),
flexargs, (biggestDollar, _('argument')),
escaped_command, lock)
else:
doc = format(_('<an alias on %s,%s %n>\n\nAlias for %q.%s'),
channel, flexargs, (biggestDollar, _('argument')),
escaped_command, lock)
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f = utils.python.changeFunctionName(f, name, doc)
return f
def _add_aka(self, channel, name, alias):
if self.__parent.isCommandMethod(name):
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raise AkaError(_('You can\'t overwrite commands in '
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'this plugin.'))
if self._db.has_aka(channel, name):
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raise AkaError(_('This Aka already exists.'))
if len(name.split(' ')) > self.registryValue('maximumWordsInName'):
raise AkaError(_('This Aka has too many spaces in its name.'))
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biggestDollar = findBiggestDollar(alias)
biggestAt = findBiggestAt(alias)
wildcard = '$*' in alias
if biggestAt and wildcard:
raise AkaError(_('Can\'t mix $* and optional args (@1, etc.)'))
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self._db.add_aka(channel, name, alias)
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def _remove_aka(self, channel, name, evenIfLocked=False):
if not evenIfLocked:
(locked, by, at) = self._db.get_aka_lock(channel, name)
if locked:
raise AkaError(_('This Aka is locked.'))
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self._db.remove_aka(channel, name)
def add(self, irc, msg, args, optlist, name, alias):
"""[--channel <#channel>] <name> <command>
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Defines an alias <name> that executes <command>. The <command>
should be in the standard "command argument [nestedcommand argument]"
arguments to the alias; they'll be filled with the first, second, etc.
arguments. $1, $2, etc. can be used for required arguments. @1, @2,
etc. can be used for optional arguments. $* simply means "all
arguments that have not replaced $1, $2, etc.", ie. it will also
include optional arguments.
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"""
channel = 'global'
for (option, arg) in optlist:
if option == 'channel':
if not irc.isChannel(arg):
irc.error(_('%r is not a valid channel.') % arg,
Raise=True)
channel = arg
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if ' ' not in alias:
# If it's a single word, they probably want $*.
alias += ' $*'
try:
self._add_aka(channel, name, alias)
self.log.info('Adding Aka %r for %r (from %s)',
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name, alias, msg.prefix)
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irc.replySuccess()
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except AkaError as e:
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irc.error(str(e))
add = wrap(add, [getopts({
'channel': 'somethingWithoutSpaces',
}), 'something', 'text'])
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def set(self, irc, msg, args, optlist, name, alias):
"""[--channel <#channel>] <name> <command>
Overwrites an existing alias <name> to execute <command> instead. The
<command> should be in the standard "command argument [nestedcommand
argument]" arguments to the alias; they'll be filled with the first,
second, etc. arguments. $1, $2, etc. can be used for required
arguments. @1, @2, etc. can be used for optional arguments. $* simply
means "all arguments that have not replaced $1, $2, etc.", ie. it will
also include optional arguments.
"""
channel = 'global'
for (option, arg) in optlist:
if option == 'channel':
if not irc.isChannel(arg):
irc.error(_('%r is not a valid channel.') % arg,
Raise=True)
channel = arg
try:
self._remove_aka(channel, name)
except AkaError as e:
irc.error(str(e), Raise=True)
if ' ' not in alias:
# If it's a single word, they probably want $*.
alias += ' $*'
try:
self._add_aka(channel, name, alias)
self.log.info('Setting Aka %r to %r (from %s)',
name, alias, msg.prefix)
irc.replySuccess()
except AkaError as e:
irc.error(str(e))
set = wrap(set, [getopts({
'channel': 'somethingWithoutSpaces',
}), 'something', 'text'])
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def remove(self, irc, msg, args, optlist, name):
"""[--channel <#channel>] <name>
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Removes the given alias, if unlocked.
"""
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channel = 'global'
for (option, arg) in optlist:
if option == 'channel':
if not irc.isChannel(arg):
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irc.error(_('%r is not a valid channel.') % arg,
Raise=True)
channel = arg
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try:
self._remove_aka(channel, name)
self.log.info('Removing Aka %r (from %s)', name, msg.prefix)
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irc.replySuccess()
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except AkaError as e:
irc.error(str(e))
remove = wrap(remove, [getopts({
'channel': 'somethingWithoutSpaces',
}), 'something'])
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def _checkManageCapabilities(self, irc, msg, channel):
"""Check if the user has any of the required capabilities to manage
the regexp database."""
if channel != 'global':
capability = ircdb.makeChannelCapability(channel, 'op')
else:
capability = 'admin'
if not ircdb.checkCapability(msg.prefix, capability):
irc.errorNoCapability(capability, Raise=True)
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def lock(self, irc, msg, args, optlist, user, name):
"""[--channel <#channel>] <alias>
Locks an alias so that no one else can change it.
"""
channel = 'global'
for (option, arg) in optlist:
if option == 'channel':
if not irc.isChannel(arg):
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irc.error(_('%r is not a valid channel.') % arg,
Raise=True)
channel = arg
self._checkManageCapabilities(irc, msg, channel)
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try:
self._db.lock_aka(channel, name, user.name)
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except AkaError as e:
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irc.error(str(e))
else:
irc.replySuccess()
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lock = wrap(lock, [getopts({
'channel': 'somethingWithoutSpaces',
}), 'user', 'something'])
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def unlock(self, irc, msg, args, optlist, user, name):
"""[--channel <#channel>] <alias>
Unlocks an alias so that people can define new aliases over it.
"""
channel = 'global'
for (option, arg) in optlist:
if option == 'channel':
if not irc.isChannel(arg):
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irc.error(_('%r is not a valid channel.') % arg,
Raise=True)
channel = arg
self._checkManageCapabilities(irc, msg, channel)
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try:
self._db.unlock_aka(channel, name, user.name)
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except AkaError as e:
irc.error(str(e))
else:
irc.replySuccess()
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unlock = wrap(unlock, [getopts({
'channel': 'somethingWithoutSpaces',
}), 'user', 'something'])
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def show(self, irc, msg, args, optlist, name):
"""[--channel <#channel>] <alias>
This command shows the content of an Aka.
"""
channel = 'global'
for (option, arg) in optlist:
if option == 'channel':
if not irc.isChannel(arg):
irc.error(_('%r is not a valid channel.') % arg,
Raise=True)
channel = arg
command = self._db.get_alias(channel, name)
if command:
irc.reply(command)
else:
irc.error(_('This Aka does not exist.'))
show = wrap(show, [getopts({'channel': 'somethingWithoutSpaces'}),
'text'])
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def importaliasdatabase(self, irc, msg, args):
"""takes no arguments
Imports the Alias database into Aka's, and clean the former."""
alias_plugin = irc.getCallback('Alias')
if alias_plugin is None:
irc.error(_('Alias plugin is not loaded.'), Raise=True)
errors = {}
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for (name, (command, locked, func)) in \
list(alias_plugin.aliases.items()):
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try:
self._add_aka('global', name, command)
except AkaError as e:
errors[name] = e.args[0]
else:
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alias_plugin.removeAlias(name, evenIfLocked=True)
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if errors:
irc.error(format(_('Error occured when importing the %n: %L'),
(len(errors), 'following', 'command'),
['%s (%s)' % x for x in errors.items()]))
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else:
irc.replySuccess()
importaliasdatabase = wrap(importaliasdatabase, ['owner'])
def list(self, irc, msg, args, optlist):
"""[--channel <#channel>] [--keys] [--unlocked|--locked]
Lists all Akas defined for <channel>. If <channel> is not specified,
lists all global Akas. If --keys is given, lists only the Aka names
and not their commands."""
channel = 'global'
filterlocked = filterunlocked = False
for (option, arg) in optlist:
if option == 'channel':
if not irc.isChannel(arg):
irc.error(_('%r is not a valid channel.') % arg,
Raise=True)
channel = arg
if option == 'locked':
filterlocked = True
if option == 'unlocked':
filterunlocked = True
aka_list = self._db.get_aka_list(channel)
if filterlocked and filterunlocked:
irc.error(_('--locked and --unlocked are incompatible options.'), Raise=True)
elif filterlocked:
aka_list = [aka for aka in aka_list if
self._db.get_aka_lock(channel, aka)[0]]
elif filterunlocked:
aka_list = [aka for aka in aka_list if not
self._db.get_aka_lock(channel, aka)[0]]
if aka_list:
if 'keys' in dict(optlist):
# Strange, aka_list is a list of one length tuples
s = [k[0] for k in aka_list]
oneToOne = True
else:
aka_values = [self._db.get_alias(channel, aka) for aka in
aka_list]
s = ('{0}: "{1}"'.format(ircutils.bold(k), v) for (k, v) in
zip(aka_list, aka_values))
oneToOne = None
irc.replies(s, oneToOne=oneToOne)
else:
irc.error(_("No Akas found."))
list = wrap(list, [getopts({'channel': 'channel', 'keys': '', 'locked': '',
'unlocked': ''})])
def search(self, irc, msg, args, optlist, query):
"""[--channel <#channel>] <query>
Searches Akas defined for <channel>. If <channel> is not specified,
searches all global Akas."""
query = callbacks.canonicalName(query, preserve_spaces=True)
channel = 'global'
for (option, arg) in optlist:
if option == 'channel':
if not irc.isChannel(arg):
irc.error(_('%r is not a valid channel.') % arg,
Raise=True)
channel = arg
aka_list = self._db.get_aka_list(channel)
aka_list = [callbacks.canonicalName(k[0], preserve_spaces=True)
for k in aka_list]
matching = [aka for aka in aka_list if query in aka]
if matching:
irc.replies(matching)
else:
irc.error(_("No matching Akas were found."))
search = wrap(search, [getopts({'channel': 'channel'}), 'text'])
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Class = Aka
# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79: