From eededcf5d51c4e945757b0936512115cf50d09f4 Mon Sep 17 00:00:00 2001
From: Ben Darnell <ben@bendarnell.com>
Date: Mon, 29 Nov 2010 13:34:15 -0800
Subject: [PATCH] Preserve the order of css_files from UIModules, like we
 already do for JS

---
 tornado/web.py | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/tornado/web.py b/tornado/web.py
index dd08dddb..3eddc40b 100644
--- a/tornado/web.py
+++ b/tornado/web.py
@@ -455,12 +455,14 @@ class RequestHandler(object):
             sloc = html.rindex('</body>')
             html = html[:sloc] + js + '\n' + html[sloc:]
         if css_files:
-            paths = set()
+            paths = []
+            unique_paths = set()
             for path in css_files:
                 if not path.startswith("/") and not path.startswith("http:"):
-                    paths.add(self.static_url(path))
-                else:
-                    paths.add(path)
+                    path = self.static_url(path)
+                if path not in unique_paths:
+                    paths.append(path)
+                    unique_paths.add(path)
             css = ''.join('<link href="' + escape.xhtml_escape(p) + '" '
                           'type="text/css" rel="stylesheet"/>'
                           for p in paths)