From 4ca735bff5e4df2f6f61ff035633d3f729ad24ff Mon Sep 17 00:00:00 2001
From: jvoisin
Date: Thu, 21 Jul 2011 18:20:14 +0200
Subject: Creation of a metaclass for archives fileformat

---
 lib/archive.py | 47 ++++++++++++++++++++++++++++-------------------
 1 file changed, 28 insertions(+), 19 deletions(-)

(limited to 'lib')

diff --git a/lib/archive.py b/lib/archive.py
index 5b43f11..fb6dfa2 100644
--- a/lib/archive.py
+++ b/lib/archive.py
@@ -1,37 +1,47 @@
 import tarfile
 import zipfile
+
 import sys
 import shutil
 import os
+import logging
 
 import parser
 import mat
 
-class ZipStripper(parser.Generic_parser):
+class GenericArchiveStripper(parser.Generic_parser):
+    '''
+        Represent a generic archive
+    '''
+    def __init__(self, realname, filename, parser, editor, backup):
+        super(GenericArchiveStripper, self).__init__(realname,
+            filename, parser, editor, backup)
+        self.compression = ''
+        self.folder_list = []
+
+    def remove_folder(self):
+        [shutil.rmtree(folder) for folder in self.folder_list]
+        self.folder_list = []
+
+class ZipStripper(GenericArchiveStripper):
     def is_clean(self):
         return False
 
     def get_meta(self):
-        self.zipin = zipfile.ZipFile(self.filename, 'r')
+        zipin = zipfile.ZipFile(self.filename, 'r')
         metadata = {}
-        for field in self.zipin.infolist():
+        for field in zipin.infolist():
             zipmeta = {}
             zipmeta['comment'] = field.comment
-            zipmeta['modified'] = str(field.date_time)
+            zipmeta['modified'] = field.date_time
             zipmeta['system'] = field.create_system
             zipmeta['zip_version'] = field.create_version
             metadata[field.filename] = zipmeta
-        self.zipin.close()
+        zipin.close()
         return metadata
 
 
-class TarStripper(parser.Generic_parser):
-    def __init__(self, realname, filename, parser, editor, backup):
-        super(TarStripper, self).__init__(realname,
-            filename, parser, editor, backup)
-        self.compression = ''
-        self.folder_list = []
-
+class TarStripper(GenericArchiveStripper):
     def _remove(self, current_file):
         '''
             remove the meta added by tar itself to the file
@@ -51,16 +61,17 @@ class TarStripper(parser.Generic_parser):
             tarin.extract(current_file)
             if current_file.type is '0': #is current_file a regular file ?
                 #no backup file
-                class_file = mat.create_class_file(current_file.name, False)
-                class_file.remove_all()
+                try:
+                    cfile = mat.create_class_file(current_file.name, False)
+                    cfile.remove_all()
+                except:
+                    print('%s\' format is not supported'%current_file.name)
                 tarout.add(current_file.name, filter=self._remove)
                 mat.secure_remove(current_file.name)
             else:
                 self.folder_list.insert(0, current_file.name)
         tarin.close()
         tarout.close()
-        print self.folder_list
-
         self.remove_folder()
 
         if self.backup is False:
@@ -120,9 +131,6 @@ class TarStripper(parser.Generic_parser):
         tarin.close()
         return metadata
 
-    def remove_folder(self):
-        [shutil.rmtree(folder) for folder in self.folder_list]
-        self.folder_list = []
 
 class GzipStripper(TarStripper):
     def __init__(self, realname, filename, parser, editor, backup):
@@ -130,6 +138,7 @@ class GzipStripper(TarStripper):
             filename, parser, editor, backup)
         self.compression = ':gz'
 
+
 class Bzip2Stripper(TarStripper):
     def __init__(self, realname, filename, parser, editor, backup):
         super(Bzip2Stripper, self).__init__(realname,
-- 
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