X-Git-Url: http://git.veekun.com/zzz-pokedex.git/blobdiff_plain/2fee7534634e0f96094500811ae88b2bfae94fc6..81970e6c67c9bd670835f76bb32a357916ab6c5b:/pokedex/db/markdown.py

diff --git a/pokedex/db/markdown.py b/pokedex/db/markdown.py
index 616830a..1ad304c 100644
--- a/pokedex/db/markdown.py
+++ b/pokedex/db/markdown.py
@@ -5,8 +5,9 @@ The language used is a variation of Markdown and Markdown Extra.  There are
 docs for each at http://daringfireball.net/projects/markdown/ and
 http://michelf.com/projects/php-markdown/extra/ respectively.
 
-Pokédex links are represented with the extended syntax `[name]{type}`, e.g.,
-`[Eevee]{pokemon}`.  The actual code that parses these is in spline-pokedex.
+Pokédex links are represented with the syntax `[text]{type:identifier}`, e.g.,
+`[Eevee]{pokemon:eevee}`.  The actual code that parses these is in
+spline-pokedex.
 """
 from __future__ import absolute_import
 
@@ -31,11 +32,17 @@ class MarkdownString(object):
     def __unicode__(self):
         return self.source_text
 
+    def __str__(self):
+        return unicode(self.source_text).encode()
+
+    def __html__(self):
+        return self.as_html
+
     @property
     def as_html(self):
         """Returns the string as HTML4."""
 
-        if self._as_html:
+        if self._as_html is not None:
             return self._as_html
 
         md = markdown.Markdown(
@@ -106,6 +113,9 @@ class MarkdownColumn(sqlalchemy.types.TypeDecorator):
     impl = sqlalchemy.types.Unicode
 
     def process_bind_param(self, value, dialect):
+        if value is None:
+            return None
+
         if not isinstance(value, basestring):
             # Can't assign, e.g., MarkdownString objects yet
             raise NotImplementedError
@@ -113,4 +123,7 @@ class MarkdownColumn(sqlalchemy.types.TypeDecorator):
         return unicode(value)
 
     def process_result_value(self, value, dialect):
+        if value is None:
+            return None
+
         return MarkdownString(value)