teamwikibot/bot.py

197 lines
6.3 KiB
Python

import impmod, socket, traceback, events, time, os
from irc.client import NickMask
class Socket:
def __init__(self,server):
self.sock = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
self.sock.connect(server)
self._read_buffer=b""
def read(self):
try:
data=self.sock.recv(4096)
if not data:
return None
except: return traceback.print_exc()
data = self._read_buffer+data
self._read_buffer=b""
lines = [line.strip(b"\r") for line in data.split(b"\n")]
if lines[-1]:
self._read_buffer=lines[-1]
lines.pop(-1)
out = []
for line in lines:
# try to decode as UTF-8, then CP1252, then ISO-8859-1
# if none of them work then just ignore the line
try:
line = line.decode("utf-8")
out.append(line)
except:
try:
line = line.decode("cp1252")
out.append(line)
except:
try:
line = line.decode("iso-8859-1")
out.append(line)
except:
continue
return out
def send(self,line):
self.sock.send(line.encode("utf-8"))
def close(self):
self.sock.shutdown(socket.SHUT_RDWR)
self.sock.close()
def unescape(value):
return value.replace(r"\:",";").replace(r"\s"," ").replace(r"\\","\\").replace(r"\r","\r").replace(r"\n","\n")
def escape(value):
return value.replace(";",r"\:").replace(" ",r"\s").replace("\\",r"\\").replace("\r",r"\r").replace("\n",r"\n")
MISSING = None
class IRCLine:
def __init__(self,command,*params,tags=dict(),hostmask=""):
self.command=command
if len(params)==0:
self.params=[]
elif len(params)==1 and type(params[0]) in (list,tuple):
self.params=list(params[0])
else:
self.params=list(params)
self.tags=tags
self.hostmask=NickMask(hostmask) if hostmask else None
@property
def line(self):
prefix=""
if len(list(self.tags.keys()))>0:
tagc = len(list(self.tags.keys()))
prefix+="@"
for i,tag in enumerate(self.tags.keys()):
prefix+=tag
if self.tags[tag] is not MISSING:
prefix+="="+escape(str(self.tags[tag]))
if (i+1)<tagc:
prefix+=";"
prefix+=" "
if self.hostmask:
prefix+=":{} ".format(self.hostmask)
return prefix+" ".join([self.command]+self.params)+"\r\n"
@classmethod
def parse_line(cls,line):
parts = line.split()
tags = dict()
if parts[0].startswith("@"):
taglist = parts.pop(0)[1:].split(";")
for tag in taglist:
if "=" in tag:
key, value = tag.split("=",1)
tags[key]=unescape(value)
else:
tags[tag]=MISSING
hostmask=None
if parts[0].startswith(":"):
hostmask=parts.pop(0)[1:]
i=len(parts)-1
while i>0 and not parts[i].startswith(":"): i-=1
if i!=0: parts[i:]=[" ".join(parts[i:])]
return cls(*parts,tags=tags,hostmask=hostmask)
def encode(self,*args,**kwargs):
# clearly, if we're here, I'm an idiot and am trying to send an
# IRCLine object down the tube. just do it.
return self.line.encode(*args,**kwargs)
PLUGIN_MODULES={}
class IRCBot:
def __init__(self,nickname,username,realname="IRCBot",server=("localhost",6667),channels=["#bots"]):
self.nickname=nickname
self.username=username
self.realname=realname
self.server=server
self.channels=channels
self.event_manager=events.EventManager()
self.in_batch=False
def load_modules(self):
self.event_manager.clear()
for name in os.listdir("plugins"):
if name.endswith(".py"):
self.load_module(name[:-3],os.path.join("plugins",name))
def load_module(self,modname,path):
try:
if modname in PLUGIN_MODULES:
print("{} already imported, reloading".format(modname))
PLUGIN_MODULES[modname].reload()
else:
try:
print("importing {}".format(modname))
PLUGIN_MODULES[modname]=impmod.Module(modname,path)
except:
print("Unable to load plugin {}".format(modname))
traceback.print_exc()
register_func = getattr(PLUGIN_MODULES[modname].module,"register",None)
if not register_func:
print(f"Plugin {modname} has no register function!")
print("Remember, if porting plugins from a minerbot-based architecture,")
print("you have to add a register function to use the new system.")
return
register_func(self)
except:
traceback.print_exc()
pass
def handle_line(self,line):
if type(line)!=IRCLine: line = IRCLine.parse_line(line)
self.event_manager(events.Event("raw_line",text=line.line,parsed=line))
if line.command=="PING":
line.command="PONG"
self.socket.send(line.line)
return
if line.command=="BATCH":
self.in_batch = line.params[0].startswith("+")
if self.in_batch:
self.batch_reference_tag = line.params[0][1:]
self.batch_type = line.params[1]
self.batch_params = line.params[2:]
self.event_manager(events.Event("start_batch",reference_tag=self.batch_reference_tag,type=self.batch_type,params=self.batch_params))
else:
self.batch_reference_tag = None
self.batch_type=None
self.batch_params=[]
self.event_manager(events.Event("end_batch",reference_tag=line.params[0][1:]))
if line.hostmask is None: return
if line.hostmask.nick==self.nickname:
return
if line.command in "PRIVMSG NOTICE".split():
target = line.params[0]
message = line.params[1][1:]
self.event_manager(events.Event(line.command.lower(),target=target,message=message,tags=line.tags,hostmask=line.hostmask))
elif line.command == "TAGMSG":
self.event_manager(events.Event("tagmsg",hostmask=line.hostmask,tags=line.tags,target=line.params[0]))
elif line.command == "INVITE":
self.event_manager(events.Event("invite",to=line.params[1][1:],hostmask=line.hostmask))
elif line.command == "PING":
self.socket.send(IRCLine("PONG",line.params).line)
def start(self):
self.socket = Socket(self.server)
self.socket.send("NICK {}\r\n".format(self.nickname))
self.socket.send("USER {} * * :{}\r\n".format(self.username,self.realname))
time.sleep(2) # give the server some time to record my username
self.event_manager(events.Event("connection_established"))
for channel in self.channels:
self.socket.send(f"JOIN {channel}\r\n")
time.sleep(1)
self.socket.send("CAP REQ :message-tags batch\r\n")
self.running=True
while self.running:
lines = self.socket.read()
if lines is None: # socket dead for some reason
self.running = False
continue # exit loop
for line in lines:
self.handle_line(line)
self.socket.close()
del self.socket
if __name__=="__main__":
bot = IRCBot("teamwikibot","teamwikibot",channels=["#team"])
bot.load_modules()
bot.start()