diff --git a/oml/item/models.py b/oml/item/models.py
index 149a678..72d6b8e 100644
--- a/oml/item/models.py
+++ b/oml/item/models.py
@@ -837,13 +837,13 @@ def update_sort_table():
 
 def download_cover(id):
     key = 'cover:%s' % id
-    cover = None
     with db.session():
         i = Item.get(id)
         if i:
             url = i.meta.get('cover')
         else:
             url = None
+            cover = None
 
     logger.debug('download cover %s %s', id, url)
     ratio = None
diff --git a/oml/media/cbr.py b/oml/media/cbr.py
index 0735d32..a1840a3 100644
--- a/oml/media/cbr.py
+++ b/oml/media/cbr.py
@@ -1,39 +1,19 @@
 # -*- coding: utf-8 -*-
 import logging
 import os
-import zipfile
 
 import ox
 
 logger = logging.getLogger(__name__)
+
 IMAGE_EXTENSIONS = ['.jpg', '.png', '.gif']
 
-
 def filter_images(files):
-    return [f for f in files if os.path.splitext(f)[-1].lower() in IMAGE_EXTENSIONS]
-
-def detect_format(path):
-    with open(path, 'rb') as fd:
-        head = fd.read(10)
-    if head[:2] == b'PK':
-        return 'cbz'
-    if head[:3] == b'Rar':
-        return 'cbr'
-    logger.debug('unknown cbr/cbz file %s - %s', head, path)
-    return 'unknown'
+    return [f for f in files if os.path.splitext(f)[-1] in IMAGE_EXTENSION]
 
 def cover(path):
-    format = detect_format(path)
-    if format == 'cbz':
-        cover = cover_cbz(path)
-    elif format == 'cbr':
-        cover = cover_cbr(path)
-    else:
-        cover = None
-    return cover
-
-def cover_cbr(path):
     data = None
+    #open rar file and extract first page here
     try:
         from unrar import rarfile
         rar = rarfile.RarFile(path)
@@ -43,53 +23,12 @@ def cover_cbr(path):
             cover = ox.sorted_strings(files)[0]
             data = rar.read(cover)
     except:
-        logger.debug('invalid cbr file %s', path)
         data = None
     return data
 
-def cover_cbz(path):
-    data = None
-    logger.debug('cover %s', path)
-    data = None
-    try:
-        z = zipfile.ZipFile(path)
-    except zipfile.BadZipFile:
-        logger.debug('invalid cbz file %s', path)
-        return data
-    files = [f.filename for f in z.filelist]
-    files = filter_images(files)
-    if files:
-        cover = ox.sorted_strings(files)[0]
-        try:
-            data = z.read(cover)
-        except:
-            data = None
-    return data
-
-def get_pages(path):
-    files = []
-    format = detect_format(path)
-    if format == 'cbz':
-        try:
-            z = zipfile.ZipFile(path)
-        except zipfile.BadZipFile:
-            logger.debug('invalid cbz file %s', path)
-            return data
-        files = [f.filename for f in z.filelist]
-    elif format == 'cbr':
-        try:
-            from unrar import rarfile
-            rar = rarfile.RarFile(path)
-            files = rar.namelist()
-        except:
-            pass
-    files = filter_images(files)
-    return len(files)
-
-
 def info(path):
     data = {}
     data['title'] = os.path.splitext(os.path.basename(path))[0]
-    data['pages'] = get_pages(path)
+    #data['pages'] = fixme read rar to count pages
     return data
 
diff --git a/oml/media/cbz.py b/oml/media/cbz.py
index 1428292..0e71475 100644
--- a/oml/media/cbz.py
+++ b/oml/media/cbz.py
@@ -1,3 +1,36 @@
 # -*- coding: utf-8 -*-
-from .cbr import cover, info
+import logging
+import os
+import zipfile
+
+import ox
+
+from .cbr import filter_images
+
+logger = logging.getLogger(__name__)
+
+def cover(path):
+    data = None
+    logger.debug('cover %s', path)
+    data = None
+    try:
+        z = zipfile.ZipFile(path)
+    except zipfile.BadZipFile:
+        logger.debug('invalid zbc file %s', path)
+        return data
+    files = [f.filename for f in z.filelist]
+    files = filter_images(files)
+    if files:
+        cover = ox.sorted_strings(files)[0]
+        try:
+            data = z.read(cover)
+        except:
+            data = None
+    return data
+
+def info(path):
+    data = {}
+    data['title'] = os.path.splitext(os.path.basename(path))[0]
+    #data['pages'] = fixme read rar to count pages
+    return data