From 90ddec03b7e6c3236d44eafe1a3c17db7a662780 Mon Sep 17 00:00:00 2001
From: Marko Tibold
Date: Wed, 21 Dec 2011 01:06:24 +0100
Subject: Fixes #94

Modified alazaro's commit sot that both markdown < 2.1 and >= 2.1 are
supported

The test checks if either matches the old or the new style.
---
 djangorestframework/compat.py | 41 +++++++++++++++++++++++++++++++++++++++--
 1 file changed, 39 insertions(+), 2 deletions(-)

(limited to 'djangorestframework/compat.py')

diff --git a/djangorestframework/compat.py b/djangorestframework/compat.py
index b7eedf85..ab0d80f3 100644
--- a/djangorestframework/compat.py
+++ b/djangorestframework/compat.py
@@ -374,7 +374,35 @@ else:
 # Markdown is optional
 try:
     import markdown
-    
+     
+    class CustomSetextHeaderProcessor(markdown.blockprocessors.BlockProcessor):
+        """
+        Class for markdown < 2.1
+
+        Override `markdown`'s :class:`SetextHeaderProcessor`, so that ==== headers are <h2> and ---- heade
+
+        We use <h1> for the resource name.
+        """
+        import re
+        # Detect Setext-style header. Must be first 2 lines of block.
+        RE = re.compile(r'^.*?\n[=-]{3,}', re.MULTILINE)
+
+        def test(self, parent, block):
+            return bool(self.RE.match(block))
+
+        def run(self, parent, blocks):
+            lines = blocks.pop(0).split('\n')
+            # Determine level. ``=`` is 1 and ``-`` is 2.
+            if lines[1].startswith('='):
+                level = 2
+            else:
+                level = 3
+            h = markdown.etree.SubElement(parent, 'h%d' % level)
+            h.text = lines[0].strip()
+            if len(lines) > 2:
+                # Block contains additional lines. Add to  master blocks for later.
+                blocks.insert(0, '\n'.join(lines[2:]))
+
     def apply_markdown(text):
         """
         Simple wrapper around :func:`markdown.markdown` to set the base level
@@ -384,7 +412,15 @@ try:
         extensions = ['headerid(level=2)']
         safe_mode = False,
 
-        md = markdown.Markdown(extensions=extensions, safe_mode=safe_mode)
+        if markdown.version < (2, 1):
+            output_format = markdown.DEFAULT_OUTPUT_FORMAT
+
+            md = markdown.Markdown(extensions=markdown.load_extensions(extensions),
+                               safe_mode=safe_mode,
+                               output_format=output_format)
+            md.parser.blockprocessors['setextheader'] = CustomSetextHeaderProcessor(md.parser)
+        else:
+            md = markdown.Markdown(extensions=extensions, safe_mode=safe_mode)
         return md.convert(text)
 
 except ImportError:
@@ -395,3 +431,4 @@ try:
     import yaml
 except ImportError:
     yaml = None
+
-- 
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