Back to development 0.7.2

The python-html5lib package in Debian Wheezy does not support
`etree` as tree builder (called `simpletree` back then).

CHANGES.rst

@@ -1,8 +1,8 @@
 Changelog for Isso
 ==================
 
-0.7 (2014-01-29)
-----------------
+0.7.1 (2014-01-30)
+------------------
 
 - fix malicious HTML injection (due to wrong API usage). All unknown/unsafe
   HTML tags are now removed from the output (`html5lib` 0.99(9) or later) or

isso/utils/html.py

@@ -1,6 +1,9 @@
 # -*- encoding: utf-8 -*-
 
+import pkg_resources
+
 import html5lib
+setattr(html5lib, "version", pkg_resources.get_distribution("html5lib").version)
 
 from html5lib.sanitizer import HTMLSanitizer
 from html5lib.serializer import HTMLSerializer
@@ -34,7 +37,8 @@ def sanitize(document):
     parser = html5lib.HTMLParser(tokenizer=MarkdownSanitizer)
     domtree = parser.parseFragment(document)
 
-    stream = html5lib.treewalkers.getTreeWalker('etree')(domtree)
+    builder = "simpletree" if html5lib.version == "0.95" else "etree"
+    stream = html5lib.treewalkers.getTreeWalker(builder)(domtree)
     serializer = HTMLSerializer(quote_attr_values=True, omit_optional_tags=False)
 
     return serializer.render(stream)

setup.py

@@ -17,7 +17,7 @@ else:
 
 setup(
     name='isso',
-    version='0.7',
+    version='0.7.1.dev0',
     author='Martin Zimmermann',
     author_email='info@posativ.org',
     packages=find_packages(),

tox.ini

@@ -13,6 +13,7 @@ deps =
 deps =
     configparser
     werkzeug==0.8.3
+    html5lib==0.95
     {[testenv]deps}
 [testenv]
 deps =