--- a/setup.py	Thu Jan 06 18:09:35 2011 +0100
+++ b/setup.py	Thu Jan 06 18:48:56 2011 +0100
@@ -13,6 +13,8 @@
 NAME = 'sat'
 LAUNCH_DAEMON_COMMAND = 'sat'
 
+class MercurialException(Exception):
+    pass
 
 class custom_install(install):
     
@@ -46,6 +48,46 @@
             mode = ((os.stat(dest_name)[ST_MODE]) | 0555) & 07777
             os.chmod(dest_name, mode)
 
+    def _custom_wokkel_installed(self):
+        """Try to import muc from custom wokkel build
+        @return: True if successful"""
+        try:
+            __import__('wokkel.muc')
+        except:
+            return False
+        return True
+    
+    def custom_wokkel_requirement(self):
+        """Test if the custom wokkel is present, else get and build it"""
+        if not self._custom_wokkel_installed():
+            print ('Custom wokkel is not present, building it')
+            import tempfile
+            ori_path = os.getcwd()
+            work_path = tempfile.mkdtemp()
+            os.chdir(work_path)
+            #we are now in a temp dir, we can get the repositories
+            commands = ['/usr/bin/hg clone http://hg.ik.nu/wokkel wokkel',
+                        'cd wokkel',
+                        '/usr/bin/hg pull -f http://hg.ik.nu/ralphm/wokkel-muc-client-support-24-2',
+                        '/usr/bin/hg merge wokkel-muc-client-support-24',
+                        '/usr/bin/hg commit -m "Merged wokkel\'s MUC branch"',
+                        '%s setup.py install' % sys.executable]
+            for command in commands:
+                ret = subprocess.call(command, shell=True)
+                if ret!=0:
+                    os.chdir(ori_path)
+                    print ("ERROR while building/installing custom wokkel")
+                    print ('Error happened when executing [%s]' % command)
+                    raise MercurialException
+            os.chdir(ori_path)
+            print "Custom wokkel builded and installed, removing temporary files"
+            import shutil
+            shutil.rmtree(work_path)
+            print "done"
+        else:
+            print "Custom wokkel already installed"
+
+
     def run(self):
         install.run(self)
         print ('running post installation stuff')
@@ -53,6 +95,7 @@
         self.primitivus_path = os.path.join(self.install_lib,'sat_frontends','primitivus')
         self.custom_auto_options()
         self.custom_create_links()
+        self.custom_wokkel_requirement()
 
 
 
@@ -84,7 +127,7 @@
                   ],
       scripts=['frontends/src/jp/jp', 'frontends/src/primitivus/primitivus', 'frontends/src/wix/wix'],
       zip_safe=False,
-      install_requires=['twisted', 'progressbar', 'wxPython', 'urwid', 'BeautifulSoup'],
+      install_requires=['twisted', 'progressbar', 'wxPython', 'urwid', 'BeautifulSoup','Mercurial'],
       cmdclass=dict(install=custom_install),
-      )
-
+      ) #XXX: The Mercurial dependecy is just here to build the custom wokkel (with MUC branch), it must be removed
+      # and replace by wokkel as soon as MUC branch is officially available in wokkel main branch.