From 6c210e26fed3b9a612104218b7b73e451bb12c27 Mon Sep 17 00:00:00 2001
From: "rygwdn@gmail.com" <>
Date: Mon, 28 Feb 2011 23:31:32 -0400
Subject: [PATCH] fixes bug #720611 by keeping track of which filetypes have
 been tried.

---
 plugin/UltiSnips/__init__.py | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/plugin/UltiSnips/__init__.py b/plugin/UltiSnips/__init__.py
index 9709a90..699a59a 100644
--- a/plugin/UltiSnips/__init__.py
+++ b/plugin/UltiSnips/__init__.py
@@ -1010,7 +1010,7 @@ class SnippetManager(object):
             if p not in self._snippets:
                 self._load_snippets_for(p)
 
-    def _find_snippets(self, ft, trigger, potentially = False):
+    def _find_snippets(self, ft, trigger, potentially = False, seen=None):
         """
         Find snippets matching trigger
 
@@ -1024,9 +1024,17 @@ class SnippetManager(object):
         if not snips:
             return []
 
-        parent_results = reduce( lambda a,b: a+b,
-            [ self._find_snippets(p, trigger, potentially)
-                for p in snips.extends ], [])
+        if not seen:
+            seen = []
+        seen.append(ft)
+
+        parent_results = []
+
+        for p in snips.extends:
+            if p not in seen:
+                seen.append(p)
+                parent_results += self._find_snippets(p, trigger,
+                        potentially, seen)
 
         return parent_results + snips.get_matching_snippets(
             trigger, potentially)