[library-web] Encode xml output as UTF8

[William Jon McCann <mccann src gnome org>]

commit d4019fa5641e3ebd2e5be830da1122af2c4c3aae
Author: William Jon McCann <william jon mccann gmail com>
Date:   Tue Feb 18 16:47:53 2014 -0500

    Encode xml output as UTF8

 src/document.py |    4 ++--
 src/overlay.py  |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/document.py b/src/document.py
index 939e2ec..9d1f1ff 100644
--- a/src/document.py
+++ b/src/document.py
@@ -246,7 +246,7 @@ class RemoteDocument(Document):
             if self.href[lang].endswith('?action=print') and (
                     not self.title.get(lang) or ' ' not in self.title[lang]):
                 # wiki document with a WikiTitle
-                html = ET.fromstring(doc.toxml())
+                html = ET.fromstring(doc.toxml().encode('utf-8'))
                 try:
                     title = ET.ElementTree(html).find('.//{http://www.w3.org/1999/xhtml}h1').text
                 except AttributeError:
@@ -267,7 +267,7 @@ class RemoteDocument(Document):
 
             logging.debug('executing %s' % ' '.join(cmd))
             xsltproc = subprocess.Popen(cmd, stdin = subprocess.PIPE)
-            xsltproc.communicate(doc.toxml())
+            xsltproc.communicate(doc.toxml().encode('utf-8'))
             xsltproc.wait()
             if xsltproc.returncode:
                 logging.warn('%s failed with error %d' % (' '.join(cmd), xsltproc.returncode))
diff --git a/src/overlay.py b/src/overlay.py
index ce82a64..0cb9778 100644
--- a/src/overlay.py
+++ b/src/overlay.py
@@ -129,7 +129,7 @@ class Overlay:
             parser = html5lib.HTMLParser(tree=html5lib.getTreeBuilder("dom"))
             doc = parser.parse(file(content))
             del doc.childNodes[:-1]
-            html = ET.fromstring(doc.toxml())
+            html = ET.fromstring(doc.toxml().encode('utf-8'))
             links = ET.ElementTree(html).findall('//a')
 
             channel = extra.find('channel').text