read_markdown.py: upgrade to 1.0.1.16

diff --git a/plugins/read_markdown.py b/plugins/read_markdown.py
index 35b8a46675441bee462e42419614f470b8c873ff..fead97eb97a1bfdbda01bf22cbc4e95fae94ae3d 100644 (file)
--- a/plugins/read_markdown.py
+++ b/plugins/read_markdown.py
@@ -5,7 +5,7 @@ from webber import *
 # Copyright (c) 2007-2008 ActiveState Corp.
 # License: MIT (http://www.opensource.org/licenses/mit-license.php)
 #
-# I used version 1.0.1.15, but deleted:
+# I used version 1.0.1.16, but deleted:
 #      * file-vars (emacs-style settings inside the file)
 #      * Standardize line endings
 #      * call to _do_links()
@@ -942,10 +942,10 @@ class Markdown(object):
     _list_item_re = re.compile(r'''
         (\n)?               # leading line = \1
         (^[ \t]*)           # leading whitespace = \2
-        (%s) [ \t]+         # list marker = \3
+        (?P<marker>%s) [ \t]+   # list marker = \3
         ((?:.+?)            # list item text = \4
          (\n{1,2}))         # eols = \5
-        (?= \n* (\Z | \2 (%s) [ \t]+))
+        (?= \n* (\Z | \2 (?P<next_marker>%s) [ \t]+))
         ''' % (_marker_any, _marker_any),
         re.M | re.X | re.S)
 
@@ -1191,15 +1191,35 @@ class Markdown(object):
         text = text.strip('\n')
 
         # Wrap <p> tags.
-        grafs = re.split(r"\n{2,}", text)
-        for i, graf in enumerate(grafs):
+        grafs = []
+        for i, graf in enumerate(re.split(r"\n{2,}", text)):
             if graf in self.html_blocks:
                 # Unhashify HTML blocks
-                grafs[i] = self.html_blocks[graf]
+                grafs.append(self.html_blocks[graf])
             else:
+                cuddled_list = None
+                if "cuddled-lists" in self.extras:
+                    # Need to put back trailing '\n' for `_list_item_re`
+                    # match at the end of the paragraph.
+                    li = self._list_item_re.search(graf + '\n')
+                    # Two of the same list marker in this paragraph: a likely
+                    # candidate for a list cuddled to preceding paragraph
+                    # text (issue 33). Note the `[-1]` is a quick way to
+                    # consider numeric bullets (e.g. "1." and "2.") to be
+                    # equal.
+                    if (li and li.group("next_marker")
+                        and li.group("marker")[-1] == li.group("next_marker")[-1]):
+                        start = li.start()
+                        cuddled_list = self._do_lists(graf[start:]).rstrip("\n")
+                        assert cuddled_list.startswith("<ul>") or cuddled_list.startswith("<ol>")
+                        graf = graf[:start]
+
                 # Wrap <p> tags.
                 graf = self._run_span_gamut(graf)
-                grafs[i] = "<p>" + graf.lstrip(" \t") + "</p>"
+                grafs.append("<p>" + graf.lstrip(" \t") + "</p>")
+
+                if cuddled_list:
+                    grafs.append(cuddled_list)
 
         return "\n\n".join(grafs)