- added best rated section in normal view

- added most downloaded section in opds view
- imporved fb2 upload, correct handling of missing elements
- author sort is set on editing and uploading files
- Encoding stuff on uploading files

cps/fb2.py

@@ -4,9 +4,10 @@
 from lxml import etree
 import os
 import uploader
+import StringIO
 
 # ToDo: Check usage of original_file_name
-def get_fb2_info(tmp_file_path, original_file_name, original_file_extension):
+def get_fb2_info(tmp_file_path, original_file_extension):
 
     ns = {
         'fb': 'http://www.gribuser.ru/xml/fictionbook/2.0',
@@ -19,19 +20,43 @@ def get_fb2_info(tmp_file_path, original_file_name, original_file_extension):
     authors = tree.xpath('/fb:FictionBook/fb:description/fb:title-info/fb:author', namespaces=ns)
 
     def get_author(element):
-        return element.xpath('fb:first-name/text()', namespaces=ns)[0] + ' ' + element.xpath('fb:middle-name/text()',
-                            namespaces=ns)[0] + ' ' + element.xpath('fb:last-name/text()', namespaces=ns)[0]
-    author = ", ".join(map(get_author, authors))
+        last_name=element.xpath('fb:last-name/text()', namespaces=ns)
+        if len(last_name):
+            last_name=last_name[0]
+        else:
+            last_name=u''
+        middle_name=element.xpath('fb:middle-name/text()', namespaces=ns)
+        if len(middle_name):
+            middle_name=middle_name[0]
+        else:
+            middle_name=u''
+        first_name=element.xpath('fb:first-name/text()', namespaces=ns)
+        if len(first_name):
+            first_name=first_name[0]
+        else:
+            first_name=u''
+        return  first_name + ' ' + middle_name + ' ' + last_name
+
+    author = unicode(", ".join(map(get_author, authors)))
+
+    title = tree.xpath('/fb:FictionBook/fb:description/fb:title-info/fb:book-title/text()', namespaces=ns)
+    if len(title):
+        title=unicode(title[0])
+    else:
+        title=u''
+    description = tree.xpath('/fb:FictionBook/fb:description/fb:publish-info/fb:book-name/text()', namespaces=ns)
+    if len(description):
+        description=unicode(description[0])
+    else:
+        description=u''
+
 
-    title = unicode(tree.xpath('/fb:FictionBook/fb:description/fb:title-info/fb:book-title/text()', namespaces=ns)[0])
-    description = unicode(tree.xpath('/fb:FictionBook/fb:description/fb:publish-info/fb:book-name/text()',
-                                     namespaces=ns)[0])
 
     return uploader.BookMeta(
         file_path=tmp_file_path,
         extension=original_file_extension,
-        title=title,
-        author=author,
+        title=title.encode('utf-8').decode('utf-8'),
+        author=author.encode('utf-8').decode('utf-8'),
         cover=None,
         description=description,
         tags="",