source: skype/skyped.py @ 02a531b

#!/usr/bin/env python
# 
#   skyped.py
#  
#   Copyright (c) 2007 by Miklos Vajna <vmiklos@frugalware.org>
#
#   It uses several code from a very basic python CLI interface, available at:
#
#   http://forum.skype.com/index.php?showtopic=42640
#  
#   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 2 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, write to the Free Software
#   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 
#   USA.
#

import sys
import os
import signal
import locale
import time
import dbus
import dbus.service
import dbus.mainloop.glib
import gobject
import socket
import getopt

__version__ = "0.1.1"

SKYPE_SERVICE = 'com.Skype.API'
CLIENT_NAME = 'SkypeApiPythonShell'

# well, this is a bit hackish. we store the socket of the last connected client
# here and notify it. maybe later notify all connected clients?
conn = None

def sig_handler(signum, frame):
        mainloop.quit()

def input_handler(fd, io_condition):
        input = fd.recv(1024)
        for i in input.split("\n"):
                if i:
                        fd.send((skype.send(i.strip()) + "\n").encode(locale.getdefaultlocale()[1]))
        return True

def server(host, port):
        sock = socket.socket()
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        sock.bind((host, port))
        sock.listen(1)
        gobject.io_add_watch(sock, gobject.IO_IN, listener)

def listener(sock, *args):
        global conn
        conn, addr = sock.accept()
        fileno = conn.fileno()
        gobject.io_add_watch(conn, gobject.IO_IN, input_handler)
        return True

def dprint(msg):
        global options

        if options.debug:
                print msg

class SkypeApi(dbus.service.Object):
        def __init__(self):
                bus = dbus.SessionBus()
                try:
                        self.skype_api = bus.get_object(SKYPE_SERVICE, '/com/Skype')
                except dbus.exceptions.DBusException:
                        sys.exit("Can't find any Skype instance. Are you sure you have started Skype?")

                reply = self.send('NAME ' + CLIENT_NAME)
                if reply != 'OK':
                        sys.exit('Could not bind to Skype client')

                reply = self.send('PROTOCOL 5')
                try:
                        dbus.service.Object.__init__(self, bus, "/com/Skype/Client", bus_name='com.Skype.API')
                except KeyError:
                        sys.exit()

        # skype -> client (async)
        @dbus.service.method(dbus_interface='com.Skype.API')
        def Notify(self, msg_text):
                global conn
                dprint('<< ' + msg_text)
                if conn:
                        conn.send(msg_text + "\n")

        # client -> skype (sync, 5 sec timeout)
        def send(self, msg_text):
                if not len(msg_text):
                        return
                dprint('>> ' + msg_text)
                try:
                        reply = self.skype_api.Invoke(msg_text)
                except dbus.exceptions.DBusException, s:
                        reply = str(s)
                        if(reply.startswith("org.freedesktop.DBus.Error.ServiceUnknown")):
                                try:
                                        self.remove_from_connection(dbus.SessionBus(), "/com/Skype/Client")
                                except LookupError:
                                        pass
                                mainloop.quit()
                dprint('<< ' + reply)
                return reply

class Options:
        def __init__(self):
                self.daemon = True
                self.debug = False
                self.help = False
                self.port = 2727
                self.version = False

        def usage(self, ret):
                print """Usage: skyped [OPTION]...

skyped is a daemon that acts as a tcp server on top of a Skype instance.

Options:
        -d      --debug         enable debug messages
        -h      --help          this help
        -n      --nofork        don't run as daemon in the background
        -p      --port          set the tcp port (default: %d)
        -v      --version       display version information""" % self.port
                sys.exit(ret)

if __name__=='__main__':
        options = Options()
        try:
                opts, args = getopt.getopt(sys.argv[1:], "dhnp:v", ["daemon", "help", "nofork", "port=", "version"])
        except getopt.GetoptError:
                options.usage(1)
        for opt, arg in opts:
                if opt in ("-d", "--debug"):
                        options.debug = True
                elif opt in ("-h", "--help"):
                        options.help = True
                elif opt in ("-n", "--nofork"):
                        options.daemon = False
                elif opt in ("-p", "--port"):
                        options.port = arg
                elif opt in ("-v", "--version"):
                        options.version = True
        if options.help:
                options.usage(0)
        elif options.version:
                print "skyped %s" % __version__
                sys.exit(0)
        elif options.daemon:
                pid = os.fork()
                if pid == 0:
                        nullin = file('/dev/null', 'r')
                        nullout = file('/dev/null', 'w')
                        os.dup2(nullin.fileno(), sys.stdin.fileno())
                        os.dup2(nullout.fileno(), sys.stdout.fileno())
                        os.dup2(nullout.fileno(), sys.stderr.fileno())
                else:
                        print 'skyped is started on port %s, pid: %d' % (options.port, pid)
                        sys.exit(0)
        dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
        signal.signal(signal.SIGINT, sig_handler)
        mainloop = gobject.MainLoop()
        server('0.0.0.0', options.port)
        while True:
                skype = SkypeApi()
                mainloop.run()