Fixed #13 by parsing through github-flavored markdown

github_md.py

@@ -0,0 +1,55 @@
+"""
+Taken from https://gist.github.com/710689
+Credit to mvasilkov
+Modifed by @b1naryth1ef to include fenced code blocks.
+"""
+
+import re
+from hashlib import md5
+
+FENCED = re.compile(r'(?P<fence>^`{3,})[ ]*(?P<lang>[a-zA-Z0-9_-]*)[ ]*\n(?P<code>.*?)(?P=fence)[ ]*$', re.MULTILINE|re.DOTALL)
+CODE_WRAP = '<pre><code%s>%s</code></pre>'
+LANG_TAG = ' class="%s"'
+
+def gfm(text):
+    # Extract pre blocks.
+    def test(text):
+        m = FENCED.search(text)
+        if m:
+            lang = LANG_TAG % m.group('lang')
+            text = CODE_WRAP % (lang, m.group('code'))
+        return text
+    text = test(text)    
+
+    extractions = {}
+    def pre_extraction_callback(matchobj):
+        digest = md5(matchobj.group(0).encode('utf-8')).hexdigest()
+        extractions[digest] = matchobj.group(0)
+        return "{gfm-extraction-%s}" % digest
+    pattern = re.compile(r'<pre>.*?</pre>', re.MULTILINE | re.DOTALL)
+    text = re.sub(pattern, pre_extraction_callback, text)
+
+    # Prevent foo_bar_baz from ending up with an italic word in the middle.
+    def italic_callback(matchobj):
+        s = matchobj.group(0)
+        if list(s).count('_') >= 2:
+            return s.replace('_', '\_')
+        return s
+    pattern = re.compile(r'^(?! {4}|\t).*\w+(?<!_)_\w+_\w[\w_]*', re.MULTILINE | re.UNICODE)
+    text = re.sub(pattern, italic_callback, text)
+
+    # In very clear cases, let newlines become <br /> tags.
+    def newline_callback(matchobj):
+        if len(matchobj.group(1)) == 1:
+            return matchobj.group(0).rstrip() + '  \n'
+        else:
+            return matchobj.group(0)
+    pattern = re.compile(r'^[\w\<][^\n]*(\n+)', re.MULTILINE | re.UNICODE)
+    text = re.sub(pattern, newline_callback, text)
+
+    # Insert pre block extractions.
+    def pre_insert_callback(matchobj):
+        return '\n\n' + extractions[matchobj.group(1)]
+    text = re.sub(r'{gfm-extraction-([0-9a-f]{32})\}', pre_insert_callback, text)
+
+    return text