I am trying to write a function that will print the lists of nicks in an IRC channel to the channel using Twisted Python. How do I do this? I have read the API documentation and I have only seen one question similar to mine on this site, but it doesn't really answer my question. If I knew how to get the userlist (or whatever it is Twisted recognizes it as), I could simply iterate the list using a for loop, but I don't know how to get this list.
The linked example you seem to think is the same, uses WHO
, different command, different purpose. The correct way is to use NAMES
.
Extended IRCClient to support a names command.
from twisted.words.protocols import irc
from twisted.internet import defer
class NamesIRCClient(irc.IRCClient):
def __init__(self, *args, **kwargs):
self._namescallback = {}
def names(self, channel):
channel = channel.lower()
d = defer.Deferred()
if channel not in self._namescallback:
self._namescallback[channel] = ([], [])
self._namescallback[channel][0].append(d)
self.sendLine("NAMES %s" % channel)
return d
def irc_RPL_NAMREPLY(self, prefix, params):
channel = params[2].lower()
nicklist = params[3].split(' ')
if channel not in self._namescallback:
return
n = self._namescallback[channel][1]
n += nicklist
def irc_RPL_ENDOFNAMES(self, prefix, params):
channel = params[1].lower()
if channel not in self._namescallback:
return
callbacks, namelist = self._namescallback[channel]
for cb in callbacks:
cb.callback(namelist)
del self._namescallback[channel]
Example:
def got_names(nicklist):
log.msg(nicklist)
self.names("#some channel").addCallback(got_names)
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