# HG changeset patch
# User cboos
# Date 1347908905 -7200
# Node ID 985671b91ce4649e6e2a99bc816225297912bf10
# Parent  32fd17a943f7ca1903dafcf3da0225a20056bfa9
Extract transplant property renderer into `render_source_prop`

diff -r 32fd17a943f7 -r 985671b91ce4 tracext/hg/backend.py
--- a/tracext/hg/backend.py	Mon Sep 17 20:49:05 2012 +0200
+++ b/tracext/hg/backend.py	Mon Sep 17 21:08:25 2012 +0200
@@ -172,6 +172,20 @@
 
 ### Components
 
+def render_source_prop(repos, context, name, value):
+    try:
+        ctx = repos.changectx(value)
+        chgset = MercurialChangeset(repos, ctx)
+        href = context.href.changeset(ctx.hex(), repos.reponame)
+        link = tag.a(repos._display(ctx), class_="changeset",
+                     title=shorten_line(chgset.message), href=href)
+    except NoSuchChangeset:
+        link = tag.a(hex(value), class_="missing changeset",
+                     title=_("no such changeset"), rel="nofollow")
+    return RenderedProperty(name=name, content=link,
+                            name_attributes=[("class", "property")])
+
+
 class CsetPropertyRenderer(Component):
 
     implements(IPropertyRenderer)
@@ -240,18 +254,7 @@
     def render_property(self, name, mode, context, props):
         repos, value = props[name]
         if name == 'hg-transplant_source':
-            try:
-                ctx = repos.changectx(value)
-                chgset = MercurialChangeset(repos, ctx)
-                href = context.href.changeset(ctx.hex(), repos.reponame)
-                link = tag.a(repos._display(ctx), class_="changeset",
-                             title=shorten_line(chgset.message), href=href)
-            except NoSuchChangeset:
-                link = tag.a(hex(value), class_="missing changeset",
-                             title=_("no such changeset"), rel="nofollow")
-            return RenderedProperty(name=_("Transplant:"), content=link,
-                                    name_attributes=[("class", "property")])
-        
+            return render_source_prop(repos, context, _("Transplant:"), value)
         elif name == 'hg-convert_revision':
             text = repos.to_u(value)
             if value.startswith('svn:'):