Fix #1410 (Error using preview on downloaded news)

src/calibre/debug.py

@@ -43,7 +43,11 @@ def update_module(mod, path):
         zp = os.path.join(os.path.dirname(sys.executable), 'library.zip')
     elif isosx:
         zp = os.path.join(os.path.dirname(getattr(sys, 'frameworks_dir')),
-                            'Resources', 'lib', 'python2.5', 'site-packages.zip')
+                            'Resources', 'lib', 
+                            'python'+'.'.join(map(str, sys.version_info[:2])), 
+                            'site-packages.zip')
+    else:
+        zp = os.path.join(getattr(sys, 'frozen_path'), 'loader.zip')
     if zp is not None:
         update_zipfile(zp, mod, path)
     else:

src/calibre/ebooks/lrf/objects.py

@@ -1166,7 +1166,9 @@ class TOCObject(LRFStream):
             refpage = struct.unpack("<I", stream.read(4))[0]
             refobj  = struct.unpack("<I", stream.read(4))[0]
             cnt = struct.unpack("<H", stream.read(2))[0]
-            label = unicode(stream.read(cnt), "utf_16")
+            raw = stream.read(cnt)
+            print repr(raw) 
+            label = raw.decode('utf_16_le')
             self._contents.append(TocLabel(refpage, refobj, label))
             c -= 1
             

src/calibre/utils/zipfile.py

@@ -338,7 +338,7 @@ class ZipInfo (object):
         if isinstance(self.filename, unicode):
             try:
                 return self.filename.encode('ascii'), self.flag_bits
-            except UnicodeEncodeError:
+            except:
                 return self.filename.encode('utf-8'), self.flag_bits | 0x800
         else:
             return self.filename, self.flag_bits