diff --git a/src/pisi/archive.py b/src/pisi/archive.py
index 3bd94a25..0517ca44 100644
--- a/src/pisi/archive.py
+++ b/src/pisi/archive.py
@@ -2,14 +2,19 @@
 # maintainer: baris and meren
 
 import tarfile
+import zipfile
 
 import config
 
-class ArchiveTarFile:
+class ArchiveBase(object):
     def __init__(self, filename, type):
 	self.type = type
 	self.filename = filename
 
+class ArchiveTarFile(ArchiveBase):
+    def __init__(self, filename, type):
+	super(ArchiveTarFile, self).__init__(filename, type)
+
     def unpack(self):
 	if self.type == "targz":
 	    tar = tarfile.open(config.archives_dir()+"/"+self.filename, 'r:gz')
@@ -17,9 +22,12 @@ class ArchiveTarFile:
 		tar.extract(tarinfo)
 	    tar.close()
 
-class ArchiveZip:
-    pass
+class ArchiveZip(ArchiveBase):
+    def __init__(self, filename, type):
+	super(ArchiveZip, self).__init__(filename, type)
 
+    def unpack(self):
+	print "lolo"
 
 class Archive:
     """Unpack magic for Archive files..."""