Make distinction between input and output encodings in OEBBook framework. Add encoding declaration to XML files produced by OEB plugin. Create OPF file in same encoding as input_encoding in HTML input plugin. This should fix all remaining issues with encoding handling for HTML/OPF input files.

src/calibre/ebooks/conversion/plumber.py

@@ -679,7 +679,7 @@ def create_oebbook(log, path_or_stream, opts, input_plugin, reader=None,
     html_preprocessor = HTMLPreProcessor(input_plugin.preprocess_html,
             opts.preprocess_html)
     oeb = OEBBook(log, html_preprocessor,
-            pretty_print=opts.pretty_print, encoding=encoding)
+            pretty_print=opts.pretty_print, input_encoding=encoding)
     # Read OEB Book into OEBBook
     log('Parsing all content...')
     if reader is None:

src/calibre/ebooks/html/input.py

@@ -16,7 +16,7 @@ from urlparse import urlparse, urlunparse
 from urllib import unquote
 
 from calibre.customize.conversion import InputFormatPlugin
-from calibre.ebooks.metadata.opf2 import OPFCreator, OPF
+from calibre.ebooks.metadata.opf2 import OPFCreator
 from calibre.ebooks.chardet import xml_to_unicode
 from calibre.customize.conversion import OptionRecommendation
 from calibre import unicode_path
@@ -264,7 +264,7 @@ class HTMLInput(InputFormatPlugin):
 
     def convert(self, stream, opts, file_ext, log,
                 accelerators):
-        from calibre.ebooks.metadata.meta import get_metadata
+        from calibre.ebooks.metadata.html import get_metadata_
 
         basedir = os.getcwd()
         self.opts = opts
@@ -275,18 +275,16 @@ class HTMLInput(InputFormatPlugin):
             opfpath = stream.name
         else:
             filelist = get_filelist(stream.name, basedir, opts, log)
-            mi = get_metadata(stream, 'html')
+            mi = get_metadata_(stream.read(), opts.input_encoding)
             mi = OPFCreator(os.getcwdu(), mi)
             mi.guide = None
             entries = [(f.path, 'application/xhtml+xml') for f in filelist]
             mi.create_manifest(entries)
             mi.create_spine([f.path for f in filelist])
 
-            mi.render(open('metadata.opf', 'wb'))
+            mi.render(open('metadata.opf', 'wb'), encoding=opts.input_encoding)
             opfpath = os.path.abspath('metadata.opf')
 
-        opf = OPF(opfpath, os.getcwdu())
-
         if opts.dont_package:
             return opfpath
 

src/calibre/ebooks/metadata/html.py

@@ -12,8 +12,17 @@ import re
 from calibre.ebooks.metadata import MetaInformation
 from calibre.ebooks.chardet import xml_to_unicode
 
+
 def get_metadata(stream):
-    src = xml_to_unicode(stream.read())[0]
+    src = stream.read()
+    return get_metadata_(src)
+
+def get_metadata_(src, encoding=None):
+    if not isinstance(src, unicode):
+        if not encoding:
+            src = xml_to_unicode(src)[0]
+        else:
+            src = src.decode(encoding, 'replace')
 
     # Title
     title = None

src/calibre/ebooks/metadata/opf.xml

@@ -1,4 +1,3 @@
-<?xml version="1.0"  encoding="UTF-8"?>
 <package version="2.0" 
          xmlns="http://www.idpf.org/2007/opf" 
          xmlns:py="http://genshi.edgewall.org/" 

src/calibre/ebooks/metadata/opf2.py

@@ -924,9 +924,11 @@ class OPFCreator(MetaInformation):
         self.guide.set_basedir(self.base_path)
 
     def render(self, opf_stream=sys.stdout, ncx_stream=None,
-               ncx_manifest_entry=None):
+               ncx_manifest_entry=None, encoding=None):
         from calibre.resources import opf_template
         from calibre.utils.genshi.template import MarkupTemplate
+        if encoding is None:
+            encoding = 'utf-8'
         template = MarkupTemplate(opf_template)
         toc = getattr(self, 'toc', None)
         if self.manifest:
@@ -948,7 +950,11 @@ class OPFCreator(MetaInformation):
                 cover = os.path.abspath(os.path.join(self.base_path, cover))
             self.guide.set_cover(cover)
         self.guide.set_basedir(self.base_path)
-        opf = template.generate(__appname__=__appname__, mi=self, __version__=__version__).render('xml')
+        opf = template.generate(
+                __appname__=__appname__, mi=self,
+                __version__=__version__).render('xml', encoding=encoding)
+        opf_stream.write('<?xml version="1.0" encoding="%s" ?>\n'
+                %encoding.upper())
         opf_stream.write(opf)
         opf_stream.flush()
         if toc is not None and ncx_stream is not None:

src/calibre/ebooks/oeb/base.py

@@ -1516,7 +1516,8 @@ class OEBBook(object):
     def __init__(self, logger,
             html_preprocessor,
             css_preprocessor=CSSPreProcessor(),
-            encoding='utf-8', pretty_print=False):
+            encoding='utf-8', pretty_print=False,
+            input_encoding='utf-8'):
         """Create empty book.  Arguments:
 
         :param:`encoding`: Default encoding for textual content read
@@ -1549,6 +1550,7 @@ class OEBBook(object):
         """
         _css_log_handler.log = logger
         self.encoding = encoding
+        self.input_encoding = input_encoding
         self.html_preprocessor = html_preprocessor
         self.css_preprocessor = css_preprocessor
         self.pretty_print = pretty_print
@@ -1588,9 +1590,9 @@ class OEBBook(object):
                 return fix_data(data.decode('utf-16'))
             except UnicodeDecodeError:
                 pass
-        if self.encoding is not None:
+        if self.input_encoding is not None:
             try:
-                return fix_data(data.decode(self.encoding, 'replace'))
+                return fix_data(data.decode(self.input_encoding, 'replace'))
             except UnicodeDecodeError:
                 pass
         try:

src/calibre/ebooks/oeb/output.py

@@ -30,6 +30,7 @@ class OEBOutput(OutputFormatPlugin):
                     raw = etree.tostring(root, pretty_print=True,
                             encoding='utf-8')
                     with open(href, 'wb') as f:
+                        f.write('<?xml version="1.0" encoding="UTF-8" ?>\n')
                         f.write(raw)
 
             for item in oeb_book.manifest: