Experimental windows support for cybook driver (testing needed)

src/calibre/devices/cybookg3/books.py

@@ -42,6 +42,8 @@ class BookList(_BookList):
             # Filter out anything that isn't in the list of supported ebook types
             for book_type in EBOOK_TYPES:
                 for filename in fnmatch.filter(files, '*.%s' % (book_type)):
+                    book_title = ''
+                    book_author = ''
                     # Calibre uses a specific format for file names. They take the form
                     # title_-_author_number.extention We want to see if the file name is
                     # in this format.
@@ -55,9 +57,8 @@ class BookList(_BookList):
                     # the filename without the extension
                     else:
                         book_title = os.path.splitext(filename)[0].replace('_', ' ')
-                        
-                    book_path = os.path.join(path, filename)
-                    self.append(Book(book_path, book_title, book_author))
+
+                    self.append(Book(os.path.join(path, filename), book_title, book_author))
             
     def add_book(self, path, title):
         self.append(Book(path, title, ""))

src/calibre/devices/cybookg3/driver.py

@@ -220,10 +220,44 @@ class CYBOOKG3(Device):
             path = path.replace('card:', self._card_prefix[:-1])
         return path
         
+
+    def _windows_match_device(self, device_id):
+        device_id = device_id.upper()
+        vid, pid = hex(cls.VENDOR_ID)[2:], hex(cls.PRODUCT_ID)[2:]        
+        while len(vid) < 4: vid = '0' + vid
+        while len(pid) < 4: pid = '0' + pid        
+        if 'VID_'+vid in device_id and 'PID_'+pid in device_id:
+            return True
+        return False
+
+    # This only supports Windows >= 2000
     def open_windows(self):
-        raise NotImplementedError()
+        drives = []
+        wmi = __import__('wmi', globals(), locals(), [], -1) 
+        c = wmi.WMI()
+        for drive in c.Win32_DiskDrive():
+            if self._windows_match_device(str(drive.PNPDeviceID)):
+                if drive.Partitions == 0:
+                    continue
+                try:
+                    partition = drive.associators("Win32_DiskDriveToDiskPartition")[0]
+                    logical_disk = partition.associators('Win32_LogicalDiskToPartition')[0]
+                    prefix = logical_disk.DeviceID+os.sep
+                    drives.append((drive.Index, prefix))
+                except IndexError:
+                    continue
+                
+        if not drives:
+            raise DeviceError(_('Unable to detect the %s disk drive. Try rebooting.')%self.__class__.__name__)
+        
+        drives.sort(cmp=lambda a, b: cmp(a[0], b[0]))
+        self._main_prefix = drives[0][1]
+        if len(drives) > 1:
+            self._card_prefix = drives[1][1]            
+        
     def open_osx(self):
         raise NotImplementedError()
+
     def open_linux(self):
         import dbus
         bus = dbus.SystemBus()