unittest bir bug daha yakaladı :).

eğer oluşturulmak istenen dizin varsa çakılıyorduk.

src/pisi/archive.py

@@ -3,7 +3,8 @@
 # maintainer baris and meren
 
 #standart lisbrary modules
-import os, sys
+import os
+import sys
 import tarfile
 import zipfile
 
@@ -15,13 +16,15 @@ class ArchiveBase(object):
 	self.type = type
 	self.fileName = fileName
 
+	self.filePath = config.archives_dir() + '/' + self.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')
+	    tar = tarfile.open(self.filePath, 'r:gz')
 	    for tarinfo in tar:
 		tar.extract(tarinfo)
 	    tar.close()
@@ -31,13 +34,15 @@ class ArchiveZip(ArchiveBase):
 	super(ArchiveZip, self).__init__(fileName, type)
 
     def unpack(self):
-        zip = zipfile.ZipFile(config.archives_dir() + '/' + self.fileName, 'r')
+        zip = zipfile.ZipFile(self.filePath, 'r')
         fileNames = zip.namelist()
         for file in fileNames:
             ofile = config.archives_dir() + '/' + file
             if not os.path.exists(os.path.dirname(config.archives_dir() + '/' + file)):
                 os.mkdir(os.path.dirname(config.archives_dir() + '/' + file))
                 continue
+	    else: # directory is present, we should still continue (or delete?)
+		continue
             buff = open (ofile, 'wb')
             fileContent = zip.read(file)
             buff.write(fileContent)