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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
"""
L{twisted.words} support for Instance Messenger.
"""
from __future__ import print_function
from twisted.internet import defer
from twisted.internet import error
from twisted.python import log
from twisted.python.failure import Failure
from twisted.spread import pb
from twisted.words.im.locals import ONLINE, OFFLINE, AWAY
from twisted.words.im import basesupport, interfaces
from zope.interface import implementer
class TwistedWordsPerson(basesupport.AbstractPerson):
"""I a facade for a person you can talk to through a twisted.words service.
"""
def __init__(self, name, wordsAccount):
basesupport.AbstractPerson.__init__(self, name, wordsAccount)
self.status = OFFLINE
def isOnline(self):
return ((self.status == ONLINE) or
(self.status == AWAY))
def getStatus(self):
return self.status
def sendMessage(self, text, metadata):
"""Return a deferred...
"""
if metadata:
d=self.account.client.perspective.directMessage(self.name,
text, metadata)
d.addErrback(self.metadataFailed, "* "+text)
return d
else:
return self.account.client.perspective.callRemote('directMessage',self.name, text)
def metadataFailed(self, result, text):
print("result:",result,"text:",text)
return self.account.client.perspective.directMessage(self.name, text)
def setStatus(self, status):
self.status = status
self.chat.getContactsList().setContactStatus(self)
@implementer(interfaces.IGroup)
class TwistedWordsGroup(basesupport.AbstractGroup):
def __init__(self, name, wordsClient):
basesupport.AbstractGroup.__init__(self, name, wordsClient)
self.joined = 0
def sendGroupMessage(self, text, metadata=None):
"""Return a deferred.
"""
#for backwards compatibility with older twisted.words servers.
if metadata:
d=self.account.client.perspective.callRemote(
'groupMessage', self.name, text, metadata)
d.addErrback(self.metadataFailed, "* "+text)
return d
else:
return self.account.client.perspective.callRemote('groupMessage',
self.name, text)
def setTopic(self, text):
self.account.client.perspective.callRemote(
'setGroupMetadata',
{'topic': text, 'topic_author': self.client.name},
self.name)
def metadataFailed(self, result, text):
print("result:",result,"text:",text)
return self.account.client.perspective.callRemote('groupMessage',
self.name, text)
def joining(self):
self.joined = 1
def leaving(self):
self.joined = 0
def leave(self):
return self.account.client.perspective.callRemote('leaveGroup',
self.name)
class TwistedWordsClient(pb.Referenceable, basesupport.AbstractClientMixin):
"""In some cases, this acts as an Account, since it a source of text
messages (multiple Words instances may be on a single PB connection)
"""
def __init__(self, acct, serviceName, perspectiveName, chatui,
_logonDeferred=None):
self.accountName = "%s (%s:%s)" % (acct.accountName, serviceName, perspectiveName)
self.name = perspectiveName
print("HELLO I AM A PB SERVICE", serviceName, perspectiveName)
self.chat = chatui
self.account = acct
self._logonDeferred = _logonDeferred
def getPerson(self, name):
return self.chat.getPerson(name, self)
def getGroup(self, name):
return self.chat.getGroup(name, self)
def getGroupConversation(self, name):
return self.chat.getGroupConversation(self.getGroup(name))
def addContact(self, name):
self.perspective.callRemote('addContact', name)
def remote_receiveGroupMembers(self, names, group):
print('received group members:', names, group)
self.getGroupConversation(group).setGroupMembers(names)
def remote_receiveGroupMessage(self, sender, group, message, metadata=None):
print('received a group message', sender, group, message, metadata)
self.getGroupConversation(group).showGroupMessage(sender, message, metadata)
def remote_memberJoined(self, member, group):
print('member joined', member, group)
self.getGroupConversation(group).memberJoined(member)
def remote_memberLeft(self, member, group):
print('member left')
self.getGroupConversation(group).memberLeft(member)
def remote_notifyStatusChanged(self, name, status):
self.chat.getPerson(name, self).setStatus(status)
def remote_receiveDirectMessage(self, name, message, metadata=None):
self.chat.getConversation(self.chat.getPerson(name, self)).showMessage(message, metadata)
def remote_receiveContactList(self, clist):
for name, status in clist:
self.chat.getPerson(name, self).setStatus(status)
def remote_setGroupMetadata(self, dict_, groupName):
if "topic" in dict_:
self.getGroupConversation(groupName).setTopic(dict_["topic"], dict_.get("topic_author", None))
def joinGroup(self, name):
self.getGroup(name).joining()
return self.perspective.callRemote('joinGroup', name).addCallback(self._cbGroupJoined, name)
def leaveGroup(self, name):
self.getGroup(name).leaving()
return self.perspective.callRemote('leaveGroup', name).addCallback(self._cbGroupLeft, name)
def _cbGroupJoined(self, result, name):
groupConv = self.chat.getGroupConversation(self.getGroup(name))
groupConv.showGroupMessage("sys", "you joined")
self.perspective.callRemote('getGroupMembers', name)
def _cbGroupLeft(self, result, name):
print('left',name)
groupConv = self.chat.getGroupConversation(self.getGroup(name), 1)
groupConv.showGroupMessage("sys", "you left")
def connected(self, perspective):
print('Connected Words Client!', perspective)
if self._logonDeferred is not None:
self._logonDeferred.callback(self)
self.perspective = perspective
self.chat.getContactsList()
pbFrontEnds = {
"twisted.words": TwistedWordsClient,
"twisted.reality": None
}
@implementer(interfaces.IAccount)
class PBAccount(basesupport.AbstractAccount):
gatewayType = "PB"
_groupFactory = TwistedWordsGroup
_personFactory = TwistedWordsPerson
def __init__(self, accountName, autoLogin, username, password, host, port,
services=None):
"""
@param username: The name of your PB Identity.
@type username: string
"""
basesupport.AbstractAccount.__init__(self, accountName, autoLogin,
username, password, host, port)
self.services = []
if not services:
services = [('twisted.words', 'twisted.words', username)]
for serviceType, serviceName, perspectiveName in services:
self.services.append([pbFrontEnds[serviceType], serviceName,
perspectiveName])
def logOn(self, chatui):
"""
@returns: this breaks with L{interfaces.IAccount}
@returntype: DeferredList of L{interfaces.IClient}s
"""
# Overriding basesupport's implementation on account of the
# fact that _startLogOn tends to return a deferredList rather
# than a simple Deferred, and we need to do registerAccountClient.
if (not self._isConnecting) and (not self._isOnline):
self._isConnecting = 1
d = self._startLogOn(chatui)
d.addErrback(self._loginFailed)
def registerMany(results):
for success, result in results:
if success:
chatui.registerAccountClient(result)
self._cb_logOn(result)
else:
log.err(result)
d.addCallback(registerMany)
return d
else:
raise error.ConnectionError("Connection in progress")
def _startLogOn(self, chatui):
print('Connecting...', end=' ')
d = pb.getObjectAt(self.host, self.port)
d.addCallbacks(self._cbConnected, self._ebConnected,
callbackArgs=(chatui,))
return d
def _cbConnected(self, root, chatui):
print('Connected!')
print('Identifying...', end=' ')
d = pb.authIdentity(root, self.username, self.password)
d.addCallbacks(self._cbIdent, self._ebConnected,
callbackArgs=(chatui,))
return d
def _cbIdent(self, ident, chatui):
if not ident:
print('falsely identified.')
return self._ebConnected(Failure(Exception("username or password incorrect")))
print('Identified!')
dl = []
for handlerClass, sname, pname in self.services:
d = defer.Deferred()
dl.append(d)
handler = handlerClass(self, sname, pname, chatui, d)
ident.callRemote('attach', sname, pname, handler).addCallback(handler.connected)
return defer.DeferredList(dl)
def _ebConnected(self, error):
print('Not connected.')
return error
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