Index: rst2pdf/sphinxnodes.py
===================================================================
--- rst2pdf/sphinxnodes.py	(リビジョン 2442)
+++ rst2pdf/sphinxnodes.py	(作業コピー)
@@ -203,6 +203,28 @@
         return '<a href="equation-%s" color="%s">%s</a>'%(node['target'],
             client.styles.linkColor, node.astext())

+try:
+    import os
+    import sphinxcontrib.seqdiag
+    class HandleSphinxSeqdiag(SphinxHandler, sphinxcontrib.seqdiag.seqdiag):
+        def gather_elements(self, client, node, style):
+            fname, outfn = \
+                sphinxcontrib.seqdiag.get_image_filename(node['builder'],
+                        node['code'], 'PNG', node['options'], 'seqdiag')
+            image = sphinxcontrib.seqdiag.create_seqdiag(node['builder'],
+                    node['code'], 'PNG', outfn, node['options'], 'seqdiag')
+            if not os.path.isfile(outfn):
+                image.draw()
+                image_size = image.pagesize()
+                options = node['options']
+                if 'maxwidth' in options and options['maxwidth'] < image_size[0]:
+                    image.save((options['maxwidth'], image_size[1]))
+                else:
+                    image.save()
+            return [MyImage(filename=outfn, client=client)]
+except ImportError:
+    pass
+
 graphviz_warn = False

 try:
Index: rst2pdf/pdfbuilder.py
===================================================================
--- rst2pdf/pdfbuilder.py	(リビジョン 2442)
+++ rst2pdf/pdfbuilder.py	(作業コピー)
@@ -186,15 +186,15 @@
         if self.config.language:
             lang = self.config.language
             try:
-                self.docutils_languages[lang] = get_language(lang)
+                self.docutils_languages[lang] = self.get_language(lang)
             except ImportError:
                 try:
                     self.docutils_languages[lang] = \
-                         get_language(lang.split('_', 1)[0])
+                         self.get_language(lang.split('_', 1)[0])
                 except ImportError:
                     rst2pdf.log.log.warning("Can't load Docutils module \
                         for language %s", lang)
-                langmod = languages.get_language('en')
+                langmod = self.get_language('en')

         if self.opts.get('pdf_use_index',self.config.pdf_use_index):
             # Add index at the end of the document
@@ -338,6 +338,14 @@
                 #pass
         return tree

+    def get_language(self, lang):
+        try:
+            return get_language(lang, reporter=rst2pdf.log.log)
+        except TypeError, err: # Docutils < 0.8
+            if 'get_language' in str(err) and 'reporter' in str(err):
+                return get_language(lang)
+            raise # re-raise any other TypeError
+
     def get_target_uri(self, docname, typ=None):
         #print 'GTU',docname,typ
         # FIXME: production lists are not supported yet!
@@ -533,17 +541,17 @@
         self.document.walkabout(visitor)
         self.docutils_languages = {}
         lang = self.config.language or 'en'
-        langmod = languages.get_language('en')
+        langmod = self.get_language('en')
         try:
-            langmod = get_language(lang)
+            langmod = self.get_language(lang)
         except ImportError:
             try:
                 self.docutils_languages[lang] = \
-                    get_language(lang.split('_', 1)[0])
+                    self.get_language(lang.split('_', 1)[0])
             except ImportError:
-                log.warning("Can't load Docutils module "\
+                rst2pdf.log.warning("Can't load Docutils module "\
                     "for language %s", lang)
-                langmod = languages.get_language('en')
+                langmod = self.get_language('en')

         # Generate Contents topic manually
         if self.use_toc:
@@ -635,6 +643,14 @@
                     compressed=self.compressed)
         self.output=sio.getvalue()

+    def get_language(self, lang):
+        try:
+            return get_language(lang, reporter=rst2pdf.log.log)
+        except TypeError, err: # Docutils < 0.8
+            if 'get_language' in str(err) and 'reporter' in str(err):
+                return get_language(lang)
+            raise # re-raise any other TypeError
+
     def supports(self, format):
         """This writer supports all format-specific elements."""
         return 1
@@ -743,6 +759,11 @@
         # Not neat, but I need to send self to my handlers
         node['builder']=self

+    # This is for seqdiag support
+    def visit_seqdiag(self, node):
+        # Not neat, but I need to send self to my handlers
+        node['builder']=self
+
     def visit_Aanode(self, node):
         pass