CLIENT POP POUR FAIBLES CONNECTIONS

import socket
from  poplib import *
import gtk
import gtk.glade



#define constant to represent how many messages will be displayed in listbox
MESSAGE_NB=9
#define constant to define how many lines of mail are displayed when selecting one in list
LINES_NB=50
ui = gtk.glade.XML("pophelper.glade")

#define default connection icone
ui.get_widget("icone").set_from_file("notconnected.png")
#define slots

#connect button clicked:make the connections and get biggest messages
def on_connect(source=None, event=None):
 #first make a connection
 global conn
 global goodlist	
 
 #inform user we re trying to connect
 ui.get_widget("connectionstate").set_text("connecting to server...please wait") 
 server= ui.get_widget("server").get_text()
 user= ui.get_widget("user").get_text()
 password= ui.get_widget("password").get_text()
 try:
  conn=POP3(server)
 except socket.error:
  ui.get_widget("connectionstate").set_text("problem with connection")
  ##return 1 
 
 #if we are here ,we can connect 
 try:
  conn.user(user)
  conn.pass_(password)
 except: 
 #user/password is incorrect or malformated
  conn.quit()
  
 #after connection, get 10 messages with biggest size and construct listmessages treeview
 liste=conn.list()[1:2]
 tube=["liste des tailles des mails"]
 for i in range(len(liste[0])):
  tube.append(int(liste[0][i].split()[1]))
 #now we have list , we need to get MESSAGE_NB most voluminous
 #create the list where well store all that
 goodlist=[]
 for i in range(MESSAGE_NB):
  goodlist.append((maxetindice(tube)[0],maxetindice(tube)[1]))
  tube[maxetindice(tube)[0]]=0
 ##print goodlist
 #ui.get_widget("connectionstate").set_text("connected to:"+ui.get_widget("server").get_text())
 ui.get_widget("icone").set_from_file("connected.png")
 ui.get_widget("totalsize").set_text("espace total occupe:"+str(taille_msg(goodlist))+"ko")
 #help function that actually fills the listbox with the messages
 construire_arbre()
 ui.get_widget("connectionstate").set_text("connected to:"+ui.get_widget("server").get_text())

 #delete button cliked:delete selected message 
def on_delete_cliked(source=None, event=None):
 ui.get_widget("connectionstate").set_text("deleting selected message") 
 #get selected item from listmessages and erase it
 global goodlist
 ##print goodlist[ui.get_widget("listmessages").get_cursor()[0][0]][0]
 conn.dele(goodlist[ui.get_widget("listmessages").get_cursor()[0][0]][0])
  
 #we should also blank the textview,the line in the treeview,and maybe notify the
 #the action done on the bottom of the application
 #first calculate our goodlist again...
 liste=conn.list()[1:2]
 tube=["liste des tailles des mails"]
 for i in range(len(liste[0])):
  tube.append(int(liste[0][i].split()[1]))
 #now we have list , we need to get MESSAGE_NB most voluminous
 #create the list where well store all that
 goodlist=[]
 for i in range(MESSAGE_NB):
  goodlist.append((maxetindice(tube)[0],maxetindice(tube)[1]))
  tube[maxetindice(tube)[0]]=0
 ##print goodlist

 #quickest way to get tree logically filled again
 construire_arbre()
 #quickest way to blank the textview
 buffer=ui.get_widget("messagebody").get_buffer()
 buffer.set_text("")
 
 #calculate new total size
 ui.get_widget("totalsize").set_text("espace total occupe:"+str(taille_msg(goodlist))+"ko")
 #inform that we have deleted
 ui.get_widget("connectionstate").set_text("message deleted")

#quit button cliked:stop current connection(if any)
def on_quit(source=None, event=None):
 global conn
 try:
  conn.quit()
 except: 
  ui.get_widget("connectionstate").set_text("conn died before...sorry")
 #clear all info about last connection 
 ui.get_widget("connectionstate").set_text("not connected")
 ui.get_widget("server").set_text("")
 ui.get_widget("user").set_text("")
 ui.get_widget("password").set_text("")
 #ui.get_widget("messagesnb").set_text("")
 ui.get_widget("icone").set_from_file("notconnected.png")
 #call construire_arbre with blank parameter set to 1
 construire_arbre(1)
 #and clear text area
 buffer=ui.get_widget("messagebody").get_buffer()
 buffer.set_text("")
 #and clear total size label
 ui.get_widget("totalsize").set_text("espace total occupe:")


#cursor on given message:print body of selected message in list
def on_listmessages_cursor(source=None, event=None):
 #get index in listmessages
 res=ui.get_widget("listmessages").get_cursor()
 goodnumber=res[0][0]
 ##print goodnumber
 ##print goodlist[goodnumber][0]
 buffer=ui.get_widget("messagebody").get_buffer()
 
 #first get real place where the text body begins...
 
 nb_firstline=len(conn.top(goodlist[goodnumber][0],1)[1:2][0])-1
 if not (conn.top(goodlist[goodnumber][0],1)[1:2][0][nb_firstline].startswith("--") or conn.top(goodlist[goodnumber][0],1)[1:2][0][nb_firstline].startswith("This is")):
  mail=conn.top(goodlist[goodnumber][0],LINES_NB)[1:2][0][nb_firstline:]
  mytexte=""
  for text in mail:
   ##print text
   mytexte +="\n"+text
  buffer.set_text(mytexte)               
 else:             
  buffer.set_text("mail is mainly an attachment")
            
#help function that actually fills the listbox with the messages
              
def construire_arbre(clear=0):
 #goodlist contains the message numbers and their size 
 global goodlist
 global treestore
 #creater store with one column
 treestore = gtk.ListStore(str)
  
 ui.get_widget("listmessages").set_model(treestore)
 cell0 = gtk.CellRendererText()
 #definition de la colonne 0
 Col0 = gtk.TreeViewColumn("From"+" "*15+"Subject"+" "*30+"size ", cell0, text=0)
 ui.get_widget("listmessages").append_column(Col0)

 if not clear==1:  #if clear==1 we wont fill the tree,just use to clear
  #get 10 messages from: , subject:
  for i in range(len(goodlist)):
   #we get the text right....
   goodlist[i][0]
   rowbrute= conn.top(goodlist[i][0],1)[1:2][0]
   fromtxt=""
   subject=""
   for j in rowbrute:
    if j.startswith("From:"):
     fromtxt=j[5:]
    if j.startswith("Subject:"):
     subjecttxt=j[8:]
  # Add lines corresponding to messages
   row1= ([fromtxt+"\t"+"\t"+subjecttxt+"\t"+str(int(goodlist[i][1]/1000))+"Ko"])
   treestore.append(row1)
  
 
#help function to  get max and  index in list message
def maxetindice(list):
 liste=list[1:]
 max=0
 indice=0
 for i in range(len(liste)):
    if max<liste[i]:
     max=liste[i]
     indice=i 
 return indice+1,max


#help function to get total size of display messages
def taille_msg(liste):
 taille=0
 for i in liste:
  taille += i[1]
 return taille
 
#2-without class:how to connect slots to our functions
ui.signal_autoconnect(globals())
#main loop waiting for gui events....
gtk.main()