Update renderer to match Misaka 2.0 API

CHANGES.rst

@@ -19,6 +19,7 @@ Changelog for Isso
 - Add optionnal gravatar support
 - Add nofollow noopener on links inside comments
 - Add Dockerfile
+- Upgraded to Misaka 2
 - Some tests/travis/documentation improvements and fixes + pep8
 - Improvement on german translation
 

CONTRIBUTORS.txt

@@ -89,5 +89,8 @@ In chronological order:
 * @benjhess
   * Optionnal gravatar support
 
+* Steffen Prince @sprin
+  * Upgrade to Misaka 2
+
 * [Your name or handle] <[email or website]>
   * [Brief summary of your changes]

isso/tests/test_html.py

@@ -29,7 +29,7 @@ class TestHTML(unittest.TestCase):
             self.assertEqual(convert(input), expected)
 
     def test_github_flavoured_markdown(self):
-        convert = html.Markdown(extensions=("fenced_code", ))
+        convert = html.Markdown(extensions=("fenced-code", ))
 
         # without lang
         _in = textwrap.dedent("""\

isso/utils/html.py

@@ -2,7 +2,6 @@
 
 from __future__ import unicode_literals
 
-import operator
 import pkg_resources
 
 from distutils.version import LooseVersion as Version
@@ -10,8 +9,6 @@ from distutils.version import LooseVersion as Version
 HTML5LIB_VERSION = Version(pkg_resources.get_distribution("html5lib").version)
 HTML5LIB_SIMPLETREE = Version("0.95")
 
-from isso.compat import reduce
-
 import html5lib
 from html5lib.sanitizer import HTMLSanitizer
 from html5lib.serializer import HTMLSerializer
@@ -23,7 +20,8 @@ def Sanitizer(elements, attributes):
 
     class Inner(HTMLSanitizer):
 
-        # attributes found in Sundown's HTML serializer [1] except for <img> tag,
+        # attributes found in Sundown's HTML serializer [1]
+        # except for <img> tag,
         # because images are not generated anyways.
         #
         # [1] https://github.com/vmg/sundown/blob/master/html/html.c
@@ -65,11 +63,11 @@ def sanitize(tokenizer, document):
     return serializer.render(stream)
 
 
-def Markdown(extensions=("strikethrough", "superscript", "autolink")):
+def Markdown(extensions=("strikethrough", "superscript", "autolink",
+                         "fenced-code")):
 
-    flags = reduce(operator.xor, map(
-        lambda ext: getattr(misaka, 'EXT_' + ext.upper()), extensions), 0)
-    md = misaka.Markdown(Unofficial(), extensions=flags)
+    renderer = Unofficial()
+    md = misaka.Markdown(renderer, extensions=extensions)
 
     def inner(text):
         rv = md(text).rstrip("\n")
@@ -88,7 +86,7 @@ class Unofficial(misaka.HtmlRenderer):
     to <code class="$lang">, compatible with Highlight.js.
     """
 
-    def block_code(self, text, lang):
+    def blockcode(self, text, lang):
         lang = ' class="{0}"'.format(lang) if lang else ''
         return "<pre><code{1}>{0}</code></pre>\n".format(text, lang)