Script that deletes the mails from senders specified by a json file

cleaner.py

#!/usr/bin/python
#! -*- coding: utf-8 -*-
#
# cleaner.py
# This file is part of Cleaner
#
# Copyright (C) 2012 - Giacomo Bergami
#
# Cleaner 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 2 of the License, or
# (at your option) any later version.
#
# Cleaner 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 Cleaner; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, 
# Boston, MA  02110-1301  USA
#
# Description: Script that deletes the mails from senders specified by a json file
#
import poplib
import gtk.gdk
import pynotify
import json

pynotify.init("cleaner") #Bugfix for new pynotify versions

## Configuration file example
#{
# "username": "giacomo90@libero.it", 
# "image": "/usr/share/pixmaps/gnome-term-linux2.png", 
# "config": 
# [	["no-reply@diasp.org", "Diaspora", true],
# 	["amazon", "", false], 
# 	["sourceforge", "", false], 
# 	["bufferapp.com", "", false], 
# 	["facebookmail.com", "Facebook", true], 
# 	["slideshare.net", "", false], 
# 	["linkedin.com", "LinkedIn", true], 
# ], 
# "pw": "password", 
# "mailserver": "mail.server.pop"
#}
l = open('config.conf','r')
example = json.loads(l.read())
l.close()

IMAGE = example['image']
MAILSERVER = example['mailserver']
USERNAME = example['username']
PW = example['pw']
undesired = []
title = []
notify = []
size = 0

for x in example['config']:
		undesired.extend([x[0]])
		title.extend([x[1]])
		notify.extend([x[2]])
		size += 1
		
counts = [0 for x in range(0,size)]

#Do a notification
def notif(title,descr):
     n = pynotify.Notification(title,descr,IMAGE)
     n.set_hint('x', gtk.gdk.screen_width()/2.)
     n.set_hint('y', gtk.gdk.screen_height()/2.)
     n.show()
     return n

start = notif("Mail checker & Cleaner", "Service has started...")
start.show()


#connect to server
mailserver = poplib.POP3_SSL(MAILSERVER)
mailserver.user(USERNAME) #use 'recent mode'
mailserver.pass_(PW) #consider not storing in plaintext!

#get all the mails 
ids = mailserver.list()[1]
maximum = len(mailserver.list()[1])

def oppure(a,b): return a or b

#get all the mails from a part of a given email address
def mail_from(mail,mitt):
	for x in mail:
		if "Return-Path:" in x:
			if mitt in x:
				print "Removing " + mitt + " (" + str(counts[undesired.index(mitt)]) + ")..."
				return mitt
	return None

def todelete(mail):
	return reduce(oppure, map(lambda x: mail_from(mail,x),undesired))

#delete only the messages
for x in reversed(range(1,maximum+1)):
	mail = mailserver.retr(x)[1]
	check = todelete(mail)
	if not (check is None):
		mailserver.dele(x)
		idx = undesired.index(check)
		if notify[idx]:
			counts[idx] = counts[idx] +1

start.close()
mailserver.quit()

#Final notifications
for x in range(0,len(notify)):
	if notify[x]:
		notif(title[x],"You have " + str(counts[x]) + " notifications")