#!/usr/bin/python
+# vim: fileencoding=utf-8
-#TODO: tons
+# Erebus IRC bot - Author: John Runyon
+# main startup code
-import os, sys, select, MySQLdb, MySQLdb.cursors
-import bot, config, ctlmod
+from __future__ import print_function
+
+import os, sys, select, time, traceback, random, gc
+import bot, config, ctlmod, modlib
+
+class Erebus(object): #singleton to pass around
+ APIVERSION = 0
+ RELEASE = 0
-class Erebus(object):
bots = {}
fds = {}
- mods = {}
+ numhandlers = {}
msghandlers = {}
+ chanhandlers = {}
+ exceptionhandlers = [] # list of (Exception_class, handler_function) tuples
+ users = {}
+ chans = {}
class User(object):
- chans = []
-
def __init__(self, nick, auth=None):
self.nick = nick
- self.auth = nick #TEMP
+ if auth is None:
+ self.auth = None
+ else:
+ self.auth = auth.lower()
self.checklevel()
+ self.chans = []
+
+ def bind_bot(self, bot):
+ return main._BoundUser(self, bot)
+
+ def msg(self, *args, **kwargs):
+ main.randbot().msg(self, *args, **kwargs)
+ def slowmsg(self, *args, **kwargs):
+ main.randbot().slowmsg(self, *args, **kwargs)
+ def fastmsg(self, *args, **kwargs):
+ main.randbot().fastmsg(self, *args, **kwargs)
+
+ def isauthed(self):
+ return self.auth is not None
+
def authed(self, auth):
- self.auth = auth
+ if auth == '0': self.auth = None
+ else: self.auth = auth.lower()
self.checklevel()
def checklevel(self):
if self.auth is None:
- self.level = -1
+ self.glevel = -1
else:
- c = main.db.cursor()
- c.execute("SELECT level FROM users WHERE auth = %s", (self.auth,))
- row = c.fetchone()
- if row is not None:
- self.level = row['level']
+ c = main.query("SELECT level FROM users WHERE auth = %s", (self.auth,))
+ if c:
+ row = c.fetchone()
+ if row is not None:
+ self.glevel = row['level']
+ else:
+ self.glevel = 0
+ else:
+ self.glevel = 0
+ return self.glevel
+
+ def setlevel(self, level, savetodb=True):
+ if savetodb:
+ if level != 0:
+ c = main.query("REPLACE INTO users (auth, level) VALUES (%s, %s)", (self.auth, level))
else:
- self.level = 0
- return self.level
+ c = main.query("DELETE FROM users WHERE auth = %s", (self.auth,))
+ if c == 0: # no rows affected
+ c = True # is fine
+ if c:
+ self.glevel = level
+ return True
+ else:
+ return False
+ else:
+ self.glevel = level
+ return True
+
+ def join(self, chan):
+ if chan not in self.chans: self.chans.append(chan)
+ def part(self, chan):
+ try:
+ self.chans.remove(chan)
+ except: pass
+ return len(self.chans) == 0
+ def quit(self):
+ pass
+ def nickchange(self, newnick):
+ self.nick = newnick
def __str__(self): return self.nick
- def __repr__(self): return "<User %r (%d)>" % (self.nick,self.level)
+ def __repr__(self): return "<User %r (%d)>" % (self.nick, self.glevel)
- class Channel(object):
- users = []
- voices = []
- ops = []
+ class _BoundUser(object):
+ def __init__(self, user, bot):
+ self.__dict__['_bound_user'] = user
+ self.__dict__['_bound_bot'] = bot
+ def __getattr__(self, name):
+ return getattr(self._bound_user, name)
+ def __setattr__(self, name, value):
+ setattr(self._bound_user, name, value)
+ def msg(self, *args, **kwargs):
+ self._bound_bot.msg(self._bound_user, *args, **kwargs)
+ def slowmsg(self, *args, **kwargs):
+ self._bound_bot.slowmsg(self._bound_user, *args, **kwargs)
+ def fastmsg(self, *args, **kwargs):
+ self._bound_bot.fastmsg(self._bound_user, *args, **kwargs)
+ def __repr__(self): return "<_BoundUser %r %r>" % (self._bound_user, self._bound_bot)
- def __init__(self, name):
+ class Channel(object):
+ def __init__(self, name, bot):
self.name = name
+ self.bot = bot
+ self.levels = {}
+
+ self.users = []
+ self.voices = []
+ self.ops = []
+
+ self.deleting = False # if true, the bot will remove cached records of this channel when the bot sees that it has left the channel
+
+ c = main.query("SELECT user, level FROM chusers WHERE chan = %s", (self.name,))
+ if c:
+ row = c.fetchone()
+ while row is not None:
+ self.levels[row['user']] = row['level']
+ row = c.fetchone()
+
+
+ def msg(self, *args, **kwargs):
+ self.bot.msg(self, *args, **kwargs)
+ def slowmsg(self, *args, **kwargs):
+ self.bot.slowmsg(self, *args, **kwargs)
+ def fastmsg(self, *args, **kwargs):
+ self.bot.fastmsg(self, *args, **kwargs)
+
+ def levelof(self, auth):
+ if auth is None:
+ return 0
+ auth = auth.lower()
+ if auth in self.levels:
+ return self.levels[auth]
+ else:
+ return 0
+
+ def setlevel(self, auth, level, savetodb=True):
+ auth = auth.lower()
+ if savetodb:
+ c = main.query("REPLACE INTO chusers (chan, user, level) VALUES (%s, %s, %s)", (self.name, auth, level))
+ if c:
+ self.levels[auth] = level
+ return True
+ else:
+ return False
+ else:
+ self.levels[auth] = level
+ return True
def userjoin(self, user, level=None):
if user not in self.users: self.users.append(user)
def __str__(self): return self.name
def __repr__(self): return "<Channel %r>" % (self.name)
- def __init__(self):
+ def __init__(self, cfg):
+ self.mustquit = None
+ self.starttime = time.time()
+ self.cfg = cfg
+ self.trigger = cfg.trigger
if os.name == "posix":
self.potype = "poll"
self.po = select.poll()
self.potype = "select"
self.fdlist = []
- def newbot(self, nick, user, bind, server, port, realname, chans):
+ def query(self, sql, parameters=[], noretry=False):
+ # Callers use %s-style (paramstyle='format') placeholders in queries.
+ # There's no provision for a literal '%s' present inside the query; stuff it in a parameter instead.
+ if db_api.paramstyle == 'format' or db_api.paramstyle == 'pyformat': # mysql, postgresql
+ # psycopg actually asks for a mapping with %(name)s style (pyformat) but it will accept %s style.
+ pass
+ elif db_api.paramstyle == 'qmark': # sqlite doesn't like %s style.
+ parameters = [str(p) for p in parameters]
+ sql = sql.replace('%s', '?') # hope that wasn't literal, oopsie
+
+ log_noretry = ''
+ if noretry:
+ log_noretry = ', noretry=True'
+ self.log("[SQL]", "?", "query(%r, %r%s)" % (sql, parameters, log_noretry))
+
+ try:
+ curs = self.db.cursor()
+ res = curs.execute(sql, parameters)
+ if res:
+ return curs
+ else:
+ return res
+ except db_api.DataError as e:
+ self.log("[SQL]", ".", "DB DataError: %r" % (e))
+ return False
+ except db_api.Error as e:
+ self.log("[SQL]", "!", "DB error! %r" % (e))
+ if not noretry:
+ dbsetup()
+ return self.query(sql, parameters, noretry=True)
+ else:
+ raise e
+
+ def querycb(self, cb, *args, **kwargs):
+ # TODO this should either get thrown out with getdb()/returndb(), or else be adjusted to make use of it.
+ def run_query():
+ cb(self.query(*args, **kwargs))
+ threading.Thread(target=run_query).start()
+
+ def newbot(self, nick, user, bind, authname, authpass, server, port, realname):
if bind is None: bind = ''
- obj = bot.Bot(self, nick, user, bind, server, port, realname, chans)
+ obj = bot.Bot(self, nick, user, bind, authname, authpass, server, port, realname)
self.bots[nick.lower()] = obj
def newfd(self, obj, fileno):
+ if not isinstance(obj, modlib.Socketlike):
+ raise Exception('Attempted to hook a socket without a class to process data')
self.fds[fileno] = obj
if self.potype == "poll":
self.po.register(fileno, select.POLLIN)
elif self.potype == "select":
self.fdlist.append(fileno)
+ def delfd(self, fileno):
+ del self.fds[fileno]
+ if self.potype == "poll":
+ self.po.unregister(fileno)
+ elif self.potype == "select":
+ self.fdlist.remove(fileno)
def bot(self, name): #get Bot() by name (nick)
return self.bots[name.lower()]
def fd(self, fileno): #get Bot() by fd/fileno
return self.fds[fileno]
+ def randbot(self): #get Bot() randomly
+ return self.bots[random.choice(list(self.bots.keys()))]
+
+ def user(self, _nick, send_who=False, create=True):
+ nick = _nick.lower()
+
+ if send_who and (nick not in self.users or not self.users[nick].isauthed()):
+ self.randbot().conn.send("WHO %s n%%ant,1" % (nick))
- def user(self, nick): #TODO #get User() by nick
- return self.User(nick.lower())
- def channel(self, name): #TODO #get Channel() by name
- return self.Channel(name.lower())
+ if nick in self.users:
+ return self.users[nick]
+ elif create:
+ user = self.User(_nick)
+ self.users[nick] = user
+ return user
+ else:
+ return None
+ def channel(self, name): #get Channel() by name
+ if name.lower() in self.chans:
+ return self.chans[name.lower()]
+ else:
+ return None
+
+ def newchannel(self, bot, name):
+ chan = self.Channel(name.lower(), bot)
+ self.chans[name.lower()] = chan
+ return chan
def poll(self):
+ timeout_seconds = 30
if self.potype == "poll":
- return [fd for (fd, ev) in self.po.poll()]
+ pollres = self.po.poll(timeout_seconds * 1000)
+ return [fd for (fd, ev) in pollres]
elif self.potype == "select":
- return select.select(self.fdlist, [], [])[0]
+ return select.select(self.fdlist, [], [], timeout_seconds)[0]
def connectall(self):
- for bot in self.bots.itervalues():
+ for bot in self.bots.values():
if bot.conn.state == 0:
bot.connect()
+ def module(self, name):
+ return ctlmod.modules[name]
+
+ def log(self, source, level, message):
+ print("%09.3f %s [%s] %s" % (time.time() % 100000, source, level, message))
+
+ def getuserbyauth(self, auth):
+ return [u for u in self.users.values() if u.auth == auth.lower()]
+
+ def getdb(self):
+ """Get a DB object. The object must be returned to the pool after us, using returndb(). This is intended for use from child threads.
+ It should probably be treated as deprecated though. Where possible new modules should avoid using threads.
+ In the future, timers will be provided (manipulating the timeout_seconds of the poll() method), and that should mostly be used in place of threading."""
+ return self.dbs.pop()
+
+ def returndb(self, db):
+ self.dbs.append(db)
+
#bind functions
def hook(self, word, handler):
- self.msghandlers[word] = handler
- def unhook(self, word):
- del self.msghandlers[word]
+ try:
+ self.msghandlers[word].append(handler)
+ except:
+ self.msghandlers[word] = [handler]
+ def unhook(self, word, handler):
+ if word in self.msghandlers and handler in self.msghandlers[word]:
+ self.msghandlers[word].remove(handler)
def hashook(self, word):
- return word in self.msghandlers
+ return word in self.msghandlers and len(self.msghandlers[word]) != 0
def gethook(self, word):
return self.msghandlers[word]
+ def hooknum(self, word, handler):
+ try:
+ self.numhandlers[word].append(handler)
+ except:
+ self.numhandlers[word] = [handler]
+ def unhooknum(self, word, handler):
+ if word in self.numhandlers and handler in self.numhandlers[word]:
+ self.numhandlers[word].remove(handler)
+ def hasnumhook(self, word):
+ return word in self.numhandlers and len(self.numhandlers[word]) != 0
+ def getnumhook(self, word):
+ return self.numhandlers[word]
+
+ def hookchan(self, chan, handler):
+ try:
+ self.chanhandlers[chan].append(handler)
+ except:
+ self.chanhandlers[chan] = [handler]
+ def unhookchan(self, chan, handler):
+ if chan in self.chanhandlers and handler in self.chanhandlers[chan]:
+ self.chanhandlers[chan].remove(handler)
+ def haschanhook(self, chan):
+ return chan in self.chanhandlers and len(self.chanhandlers[chan]) != 0
+ def getchanhook(self, chan):
+ return self.chanhandlers[chan]
+
+ def hookexception(self, exc, handler):
+ self.exceptionhandlers.append((exc, handler))
+ def unhookexception(self, exc, handler):
+ self.exceptionhandlers.remove((exc, handler))
+ def hasexceptionhook(self, exc):
+ return any((True for x,h in self.exceptionhandlers if isinstance(exc, x)))
+ def getexceptionhook(self, exc):
+ return (h for x,h in self.exceptionhandlers if isinstance(exc, x))
+
+
+def dbsetup():
+ main.db = None
+ main.dbs = []
+ dbtype = cfg.get('erebus', 'dbtype', 'mysql')
+ if dbtype == 'mysql':
+ _dbsetup_mysql()
+ elif dbtype == 'sqlite':
+ _dbsetup_sqlite()
+ else:
+ main.log('*', '!', 'Unknown dbtype in config: %s' % (dbtype))
+
+def _dbsetup_mysql():
+ global db_api
+ import MySQLdb as db_api, MySQLdb.cursors
+ for i in range(cfg.get('erebus', 'num_db_connections', 2)-1):
+ main.dbs.append(db_api.connect(host=cfg.dbhost, user=cfg.dbuser, passwd=cfg.dbpass, db=cfg.dbname, cursorclass=MySQLdb.cursors.DictCursor))
+ main.db = db_api.connect(host=cfg.dbhost, user=cfg.dbuser, passwd=cfg.dbpass, db=cfg.dbname, cursorclass=MySQLdb.cursors.DictCursor)
+
+def _dbsetup_sqlite():
+ global db_api
+ import sqlite3 as db_api
+ for i in range(cfg.get('erebus', 'num_db_connections', 2)):
+ main.db = db_api.connect(cfg.dbhost)
+ main.db.row_factory = db_api.Row
+ main.db.isolation_level = None
+ main.dbs.append(main.db)
+
def setup():
global cfg, main
cfg = config.Config('bot.config')
- main = Erebus()
+
+ if cfg.getboolean('debug', 'gc'):
+ gc.set_debug(gc.DEBUG_LEAK)
+
+ pidfile = open(cfg.pidfile, 'w')
+ pidfile.write(str(os.getpid()))
+ pidfile.close()
+
+ main = Erebus(cfg)
+ dbsetup()
autoloads = [mod for mod, yes in cfg.items('autoloads') if int(yes) == 1]
for mod in autoloads:
ctlmod.load(main, mod)
- main.db = MySQLdb.connect(host=cfg.dbhost, user=cfg.dbuser, passwd=cfg.dbpass, db=cfg.dbname, cursorclass=MySQLdb.cursors.DictCursor)
- c = main.db.cursor()
- c.execute("SELECT nick, user, bind FROM bots WHERE active = 1")
- rows = c.fetchall()
- c.close()
- for row in rows:
- c2 = main.db.cursor()
- c2.execute("SELECT chname FROM chans WHERE bot = %s AND active = 1", (row['nick'],))
- chans = [chdic['chname'] for chdic in c2.fetchall()]
- c2.close()
- main.newbot(row['nick'], row['user'], row['bind'], cfg.host, cfg.port, cfg.realname, chans)
+ c = main.query("SELECT nick, user, bind, authname, authpass FROM bots WHERE active = 1")
+ if c:
+ rows = c.fetchall()
+ c.close()
+ for row in rows:
+ main.newbot(row['nick'], row['user'], row['bind'], row['authname'], row['authpass'], cfg.host, cfg.port, cfg.realname)
main.connectall()
def loop():
poready = main.poll()
for fileno in poready:
- main.fd(fileno).getdata()
+ try:
+ data = main.fd(fileno).getdata()
+ except:
+ main.log('*', '!', 'Error receiving data: getdata raised exception for socket %d, closing' % (fileno))
+ traceback.print_exc()
+ data = None
+ if data is None:
+ main.fd(fileno).close()
+ else:
+ for line in data:
+ if cfg.getboolean('debug', 'io'):
+ main.log(str(main.fd(fileno)), 'I', line)
+ try:
+ main.fd(fileno).parse(line)
+ except:
+ main.log('*', '!', 'Error receiving data: parse raised exception for socket %d data %r, ignoring' % (fileno, line))
+ traceback.print_exc()
+ if main.mustquit is not None:
+ main.log('*', '!', 'Core exiting due to: %s' % (main.mustquit))
+ raise main.mustquit
if __name__ == '__main__':
+ try: os.rename('logfile', 'oldlogs/%s' % (time.time()))
+ except: pass
+ sys.stdout = open('logfile', 'w', 1)
+ sys.stderr = sys.stdout
setup()
while True: loop()
projects / erebus.git / blobdiff