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ltchat-qt4.py
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ltchat-qt4.py
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#!/usr/bin/python2
"""
Qt4 GUI front-end to the Lightron chat.
Copyright (C) 2016-2017 Glen Harpring
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
try:
from PyQt4 import QtCore, QtGui
except ImportError: #Fallback to PySide is basically PyQt4 and is still included in the latest Ubuntu releases.
from PySide import QtCore, QtGui
from HTMLParser import HTMLParser
import sys,os,httplib,urllib,urllib2,math,time,json
global getChat
getChat = httplib.HTTPSConnection('lightron.org')
class ChatBrowser(QtGui.QTextBrowser):
def loadResource(self,type,name):
if type == 1:
return urllib2.urlopen(str(name.toString())).read()
if type == 2 or type == 3:
if not str(name.toString()) in self.cache:
print "Downloading "+name.toString()+" of type "+str(type)+" into memory..."
try:
self.cache[str(name.toString())] = urllib2.urlopen(str(name.toString())).read()
print "[DONE]"
except:
print "[FAIL]"
return False
if type == 2:
return QtGui.QImage.fromData(self.cache[str(name.toString())],os.path.splitext(name.toString())[1].upper())
elif type == 3:
return self.cache[str(name.toString())]
class main(object):
def setup(self, MainWindow):
global USERNAME,WHOSONLINE,PING,CHATS,wait,COOKIE,mself,FIRST
mself=self
COOKIE="";USERNAME = "Guest";WHOSONLINE = "";CHATS = "Loading...";PING = '?';wait=3;self.prevCHATS="";FIRST=True;
self.thread = QtCore.QThread() #Create a generic thread for now
self.chatstyle = """
html
{
width: 293px;
font-size: 11px;
font-family: verdana, sans-serif;
line-height: 18px;
}
.message
{
width: 205px;
float: left;
}
.send
{
width: 60px;
padding: 0px;
margin-top: 2px;
}
.message
{
width: 98%;
border-bottom: 1px solid #CCC;
}
.user
{
font-size: 12px;
font-weight: bold;
font-family: Arial;
padding-right:3px;
}
.timestamp
{
color: #555;
font-size: 10px;
margin-left: 30px;
}
.delete
{
float: right;
margin-right: 10px;
}"""
MainWindow.setObjectName("MainWindow")
MainWindow.resize(335,400)
MainWindow.setWindowTitle("Lightron Chat GUI")
self.centralwidget = QtGui.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.gridLayout = QtGui.QGridLayout(self.centralwidget)
self.gridLayout.setObjectName("gridLayout")
self.label = QtGui.QLabel(self.centralwidget)
self.label.setObjectName("label")
self.gridLayout.addWidget(self.label, 1, 0, 1, 1)
self.label_3 = QtGui.QLabel(self.centralwidget)
self.label_3.setObjectName("label_3")
self.gridLayout.addWidget(self.label_3, 1, 1, 1, 2)
self.pushButton_2 = QtGui.QPushButton(self.centralwidget)
self.pushButton_2.setObjectName("pushButton_2")
self.pushButton_2.setText("Options")
QtCore.QObject.connect(self.pushButton_2,QtCore.SIGNAL("clicked()"),self.showOptions)
self.gridLayout.addWidget(self.pushButton_2, 1, 3, 1, 1)
self.textBrowser = ChatBrowser(self.centralwidget)
self.textBrowser.setObjectName("textBrowser")
self.textBrowser.cache = {}
self.textBrowser.setOpenExternalLinks(True)
self.gridLayout.addWidget(self.textBrowser, 2, 0, 1, 4)
self.pushButton = QtGui.QPushButton(self.centralwidget)
self.pushButton.setObjectName("pushButton")
self.pushButton.setText("Send")
QtCore.QObject.connect(self.pushButton,QtCore.SIGNAL("clicked()"),self.send)
self.gridLayout.addWidget(self.pushButton, 3, 3, 1, 1)
self.lineEdit = QtGui.QLineEdit(self.centralwidget)
self.lineEdit.setObjectName("lineEdit")
self.gridLayout.addWidget(self.lineEdit, 3, 0, 1, 3)
self.label_2 = QtGui.QLabel(self.centralwidget)
self.label_2.setObjectName("label_2")
self.gridLayout.addWidget(self.label_2, 5, 0, 1, 4)
MainWindow.setCentralWidget(self.centralwidget)
self.updateTimer = QtCore.QTimer(MainWindow)
self.updateTimer.timeout.connect(self.update)
self.updateTimer.start(4000)
self.updated();self.update()
QtCore.QMetaObject.connectSlotsByName(MainWindow)
def update(self):
if not self.thread.isRunning():
self.prevCHATS = CHATS
self.thread = UpdatingChat()
self.thread.finished.connect(self.updated)
self.thread.start()
def send(self):
global COOKIE
postdata = urllib.urlencode({'input':str(self.lineEdit.text())})
con = httplib.HTTPSConnection("lightron.org")
con.request("POST","/Chat",postdata,{"User-Agent":"Mozilla/5.0 QTextBrowser/Qt4 LTChatGUI/beta","Cookie":COOKIE,"Content-Type":"application/x-www-form-urlencoded; charset=UTF-8"})
ChatsResponse = con.getresponse()
self.lineEdit.setText("")
self.updated();self.update()
def showOptions(self):
self.options = QtGui.QMenu()
if USERNAME == "Guest":
self.optionsLogin = self.options.addAction("Login")
QtCore.QObject.connect(self.optionsLogin,QtCore.SIGNAL("triggered()"),self.login)
else:
self.optionsProfile = self.options.addAction("Profile")
QtCore.QObject.connect(self.optionsProfile,QtCore.SIGNAL("triggered()"),self.profile)
self.optionsLogout = self.options.addAction("Logout")
QtCore.QObject.connect(self.optionsLogout,QtCore.SIGNAL("triggered()"),self.logout)
self.options.addSeparator()
#self.optionsToC = self.options.addAction("License Agreement")
#QtCore.QObject.connect(self.optionsToC,QtCore.SIGNAL("triggered()"),self.gpl)
self.options.exec_(QtGui.QCursor().pos())
def updated(self):
global USERNAME, COOKIE
if USERNAME == "Guest":
self.label.setText("Please sign in to chat.")
out=True
else:
self.label.setText("Hello, "+USERNAME+"!")
out=False
self.pushButton.setHidden(out)
self.lineEdit.setHidden(out)
#self.label_3.setText("")
self.label_2.setText(""+WHOSONLINE+"; "+str(PING)+"ms")
if CHATS == "":
print "Returned chat appears to be blank."
elif not self.prevCHATS == CHATS:
self.textBrowser.setHtml('<style type="text/css">'+self.chatstyle+'</style>\n<div class="chat"><div class="chat-output">'+str(CHATS)+"</div></div>")
def login(self):
login()
def completeLogin(self):
global USERNAME, COOKIE
postdata = urllib.urlencode({'loginType':'login','username':loginDia.lineEdit.text(),'password':loginDia.lineEdit_2.text()})
con = httplib.HTTPSConnection("lightron.org")
con.request("POST","/Authentication",postdata,{"User-Agent":"Mozilla/5.0 QTextBrowser/Qt4 LTChatGUI/beta","Cookie":COOKIE,"Content-Type":"application/x-www-form-urlencoded; charset=UTF-8"})
data = con.getresponse()
datar = str(data.read())
if not datar == "1":
QtGui.QMessageBox.warning(MainWindow,'LTChat','Username and/or password invalid.',QtGui.QMessageBox.Ok)
loginDia.lineEdit_2.selectAll()
else:
#self.lineEdit.setText(str(data))
#COOKIE = data.getheader('Cookie')
USERNAME = loginDia.lineEdit.text()
loginDia.hide()
self.update()
def logout(self):
global USERNAME, COOKIE
USERNAME = "Guest";COOKIE="";
self.updated()
def profile(self):
profile()
def changepass(self):
return;
class LoginDialog(QtGui.QDialog):
def __init__(self):
super(LoginDialog,self).__init__()
self.setup()
def setup(self):
self.setWindowTitle("Login to LTChat")
self.resize(335,80)
self.gridLayout = QtGui.QGridLayout(self)
self.gridLayout.setObjectName("gridLayout")
spacerItem = QtGui.QSpacerItem(260, 20, QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Minimum)
self.gridLayout.addItem(spacerItem, 2, 0, 1, 1)
self.pushButton = QtGui.QPushButton(self)
self.pushButton.setObjectName("pushButton")
self.pushButton.setText("Login!")
self.pushButton.setShortcut("Enter, Return")
QtCore.QObject.connect(self.pushButton,QtCore.SIGNAL("clicked()"),mself.completeLogin)
self.gridLayout.addWidget(self.pushButton, 2, 1, 1, 1)
self.lineEdit = QtGui.QLineEdit(self)
self.lineEdit.setObjectName("lineEdit")
self.lineEdit.setPlaceholderText("Username")
self.gridLayout.addWidget(self.lineEdit, 0, 0, 1, 2)
self.lineEdit_2 = QtGui.QLineEdit(self)
self.lineEdit_2.setEchoMode(QtGui.QLineEdit.Password)
self.lineEdit_2.setObjectName("lineEdit_2")
self.lineEdit_2.setPlaceholderText("Password")
self.gridLayout.addWidget(self.lineEdit_2, 1, 0, 1, 2)
QtCore.QMetaObject.connectSlotsByName(self)
class profileDialog(QtGui.QDialog):
def __init__(self):
super(profileDialog,self).__init__()
self.setup()
def setup(self):
self.setWindowTitle("My Profile - LTChat")
self.resize(335,80)
self.gridLayout = QtGui.QGridLayout(self)
self.gridLayout.setObjectName("gridLayout")
spacerItem = QtGui.QSpacerItem(260, 20, QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Minimum)
self.gridLayout.addItem(spacerItem, 2, 0, 1, 1)
self.pushButton = QtGui.QPushButton(self)
self.pushButton.setObjectName("pushButton")
self.pushButton.setText("Close")
self.pushButton.setShortcut("Enter, Return")
QtCore.QObject.connect(self.pushButton,QtCore.SIGNAL("clicked()"),self.close)
self.gridLayout.addWidget(self.pushButton, 2, 1, 1, 1)
self.profileImage = QtGui.QLabel()
image = "https://lightron.org/inc/images/avatar/101.png"
self.proImage = QtGui.QPixmap.fromImage(mself.textBrowser.loadResource(2,QtCore.QUrl(image)))
self.profileImage.setPixmap(self.proImage)
self.gridLayout.addWidget(self.profileImage, 0, 0, 1, 2)
QtCore.QMetaObject.connectSlotsByName(self)
class UpdatingChat(QtCore.QThread):
def run(self):
global USERNAME,WHOSONLINE,PING,CHATS,wait,getChat,FIRST,COOKIE
if FIRST:
FIRST = False;
con = httplib.HTTPSConnection("lightron.org")
con.request("GET","/","",{"User-Agent":"Mozilla/5.0 QTextBrowser/Qt4 LTChatGUI/beta"})
data = con.getresponse()
COOKIE = data.getheader('Set-Cookie').split(" ")[0]
wait=wait+1
defheader = {"User-Agent":"Mozilla/5.0 QTextBrowser/Qt4 LTChatGUI/beta","Cookie":COOKIE}
getChat = httplib.HTTPSConnection('lightron.org')
timebefore=time.time(); getChat.request("GET","/Chat","",defheader); timeafter=time.time()
ChatsResponse = json.loads(getChat.getresponse().read())
thechatshtm = ChatsResponse["output"]
WHOSONLINE = ChatsResponse["chatters"]
CHATS = str(thechatshtm.replace("<a href=\"/","<a href=\"https://lightron.org/").replace("<img src=\"/","<img src=\"https://lightron.org/").replace('class=\"avatar\"','" width="12" height="12"').replace('style=\"height: 10px; margin: 0px 4px -1px 0px;\"','"width="10" height="10"'))
PING = int((float(timeafter)-float(timebefore))*1000)
#self.updated()
#print "Updated!"
def login():
global loginDia
loginDia = LoginDialog()
loginDia.setWindowModality(QtCore.Qt.ApplicationModal)
loginDia.show()
def profile():
global profileDia
profileDia = profileDialog()
profileDia.setWindowModality(QtCore.Qt.ApplicationModal)
profileDia.show()
app = QtGui.QApplication(sys.argv)
MainWindow = QtGui.QMainWindow()
ui = main()
ui.setup(MainWindow)
MainWindow.show()
sys.exit(app.exec_())

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