Fixes for handling of unicode command line arguments on windows

src/calibre/__init__.py

@@ -76,7 +76,8 @@ if iswindows:
     winutil, winutilerror = plugins['winutil']
     if not winutil:
         raise RuntimeError('Failed to load the winutil plugin: %s'%winutilerror)
-    sys.argv[1:] = winutil.argv()[1:]
+    if len(sys.argv) > 1:
+        sys.argv[1:] = winutil.argv()[1-len(sys.argv):]
     win32event = __import__('win32event')
     winerror   = __import__('winerror')
     win32api   = __import__('win32api')

src/calibre/ebooks/lrf/lit/convert_from.py

@@ -31,13 +31,15 @@ _('''Usage: %prog [options] mybook.lit
 def generate_html2(pathtolit, logger):
     if not os.access(pathtolit, os.R_OK):
         raise ConversionError, 'Cannot read from ' + pathtolit
-    tdir = mkdtemp(prefix=__appname__+'_')
+    tdir = mkdtemp(prefix=__appname__+'_'+'lit2oeb_')
     lr = LitReader(pathtolit)
     print 'Extracting LIT file to', tdir
     lr.extract_content(tdir)
     return tdir
 
 def generate_html(pathtolit, logger):
+    if isinstance(pathtolit, unicode):
+        pathtolit = pathtolit.encode(sys.getfilesystemencoding())
     if not os.access(pathtolit, os.R_OK):
         raise ConversionError, 'Cannot read from ' + pathtolit
     tdir = mkdtemp(prefix=__appname__+'_')
@@ -96,7 +98,6 @@ def process_file(path, options, logger=None):
             options.output = os.path.abspath(os.path.basename(os.path.splitext(path)[0]) + ext)
         options.output = os.path.abspath(os.path.expanduser(options.output))
         options.use_spine = True
-        
         html_process_file(htmlfile, options, logger=logger)
     finally:
         try:

src/calibre/ebooks/lrf/pdf/convert_from.py

@@ -25,6 +25,8 @@ def generate_html(pathtopdf, logger):
     Convert the pdf into html.
     @return: Path to a temporary file containing the HTML.
     '''
+    if isinstance(pathtopdf, unicode):
+        pathtopdf = pathtopdf.encode(sys.getfilesystemencoding())
     if not os.access(pathtopdf, os.R_OK):
         raise ConversionError, 'Cannot read from ' + pathtopdf
     tdir = PersistentTemporaryDirectory('pdftohtml')