#!/usr/bin/python
+# vim: fileencoding=utf-8
# Erebus IRC bot - Author: John Runyon
# main startup code
-#TODO: tons
+from __future__ import print_function
-import os, sys, select, MySQLdb, MySQLdb.cursors, time, random
+import os, sys, select, MySQLdb, MySQLdb.cursors, time, traceback, random, gc
import bot, config, ctlmod
-class Erebus(object):
- APIVERSION = 1
+class Erebus(object): #singleton to pass around
+ APIVERSION = 0
RELEASE = 0
bots = {}
numhandlers = {}
msghandlers = {}
chanhandlers = {}
+ exceptionhandlers = [] # list of (Exception_class, handler_function) tuples
users = {}
chans = {}
class User(object):
def __init__(self, nick, auth=None):
self.nick = nick
- self.auth = auth
+ if auth is None:
+ self.auth = None
+ else:
+ self.auth = auth.lower()
self.checklevel()
self.chans = []
+ 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
if self.auth is None:
self.glevel = -1
else:
- c = main.db.cursor()
- if c.execute("SELECT level FROM users WHERE auth = %s", (self.auth,)):
+ 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']
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:
+ 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):
- self.chans.append(chan)
+ if chan not in self.chans: self.chans.append(chan)
def part(self, chan):
- self.chans.remove(chan)
- def quit(self):
- for chan in self.chans:
+ 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.glevel)
+ def __repr__(self): return "<User %r (%d)>" % (self.nick, self.glevel)
class Channel(object):
def __init__(self, name, bot):
self.voices = []
self.ops = []
- c = main.db.cursor()
- if c.execute("SELECT user, level FROM chusers WHERE chan = %s", (self.name,)):
+ 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']
def msg(self, *args, **kwargs):
- self.bot.msg(self.name, *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:
def setlevel(self, auth, level, savetodb=True):
auth = auth.lower()
if savetodb:
- c = main.db.cursor()
- if c.execute("REPLACE INTO chusers (chan, user, level) VALUES (%s, %s, %s)", (self.name, auth, level)):
+ 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 __repr__(self): return "<Channel %r>" % (self.name)
def __init__(self, cfg):
+ self.mustquit = None
+ self.starttime = time.time()
self.cfg = cfg
self.trigger = cfg.trigger
if os.name == "posix":
self.potype = "select"
self.fdlist = []
+ def query(self, *args, **kwargs):
+ if 'noretry' in kwargs:
+ noretry = kwargs['noretry']
+ del kwargs['noretry']
+ else:
+ noretry = False
+
+ self.log("[SQL]", "?", "query(%s, %s)" % (', '.join([repr(i) for i in args]), ', '.join([str(key)+"="+repr(kwargs[key]) for key in kwargs])))
+ try:
+ curs = self.db.cursor()
+ res = curs.execute(*args, **kwargs)
+ if res:
+ return curs
+ else:
+ return res
+ except MySQLdb.MySQLError as e:
+ self.log("[SQL]", "!", "MySQL error! %r" % (e))
+ if not noretry:
+ dbsetup()
+ return self.query(*args, noretry=True, **kwargs)
+ else:
+ raise e
+
+ def querycb(self, cb, *args, **kwargs):
+ 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, authname, authpass, server, port, realname)
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(self.bots.keys())]
+ return self.bots[random.choice(list(self.bots.keys()))]
- def user(self, _nick, justjoined=False):
+ 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))
+
if nick in self.users:
return self.users[nick]
- else:
+ elif create:
user = self.User(_nick)
self.users[nick] = user
-
- if justjoined:
- self.randbot().conn.send("WHO %s n%%ant,2" % (nick))
-
return user
+ else:
+ return None
def channel(self, name): #get Channel() by name
if name.lower() in self.chans:
return self.chans[name.lower()]
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()."""
+ return self.dbs.pop()
+
+ def returndb(self, db):
+ self.dbs.append(db)
+
#bind functions
def hook(self, word, handler):
try:
def getchanhook(self, chan):
return self.chanhandlers[chan]
-
-class MyCursor(MySQLdb.cursors.DictCursor):
- def execute(self, *args, **kwargs):
- print "[SQL] [#] MyCursor.execute(self, %s, %s)" % (', '.join([repr(i) for i in args]), ', '.join([str(key)+"="+repr(kwargs[key]) for key in kwargs]))
- try:
- super(self.__class__, self).execute(*args, **kwargs)
- except MySQLdb.MySQLError as e:
- print "[SQL] [!] MySQL error! %r" % (e)
- dbsetup()
- return False
- return True
+ 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.db = MySQLdb.connect(host=cfg.dbhost, user=cfg.dbuser, passwd=cfg.dbpass, db=cfg.dbname, cursorclass=MyCursor)
+ main.dbs = []
+ for i in range(cfg.get('erebus', 'num_db_connections', 2)-1):
+ main.dbs.append(MySQLdb.connect(host=cfg.dbhost, user=cfg.dbuser, passwd=cfg.dbpass, db=cfg.dbname, cursorclass=MySQLdb.cursors.DictCursor))
+ main.db = MySQLdb.connect(host=cfg.dbhost, user=cfg.dbuser, passwd=cfg.dbpass, db=cfg.dbname, cursorclass=MySQLdb.cursors.DictCursor)
def setup():
global cfg, main
cfg = config.Config('bot.config')
+
+ 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:
- print "Loading %s" % (mod)
ctlmod.load(main, mod)
- dbsetup()
- c = main.db.cursor()
- if c.execute("SELECT nick, user, bind, authname, authpass FROM bots WHERE active = 1"):
+ 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:
def loop():
poready = main.poll()
for fileno in poready:
- for line in main.fd(fileno).getdata():
- main.fd(fileno).parse(line)
+ try:
+ data = main.fd(fileno).getdata()
+ except:
+ main.log('*', '!', 'Super-mega-emergency: getdata raised exception for socket %d' % (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('*', '!', 'Super-mega-emergency: parse raised exception for socket %d data %r' % (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