From 101c84d80192b1a2438d6464f8ce15b60967e19a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20P=C3=A9ters?= <fpeters@entrouvert.com>
Date: Mon, 31 Mar 2014 11:08:05 +0200
Subject: [PATCH] helper function to build the recursive list of broader
 keywords (#4570)

---
 src/collective/dms/thesaurus/dmskeyword.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/collective/dms/thesaurus/dmskeyword.py b/src/collective/dms/thesaurus/dmskeyword.py
index 6b72217..d67fa39 100644
--- a/src/collective/dms/thesaurus/dmskeyword.py
+++ b/src/collective/dms/thesaurus/dmskeyword.py
@@ -76,6 +76,16 @@ class DmsKeyword(Item):
                 words.append(keyword.get_words_for_indexation(limit=limit-1))
         return ' '.join(words)
 
+    def get_keyword_tree(self, limit=5):
+        thesaurus = aq_parent(self)
+        l = [self.id]
+        for broader_keyword in self.broader or []:
+            try:
+                keyword = thesaurus[broader_keyword]
+            except KeyError:
+                continue
+            l.extend(keyword.get_keyword_tree(limit=limit-1))
+        return l
 
 
 class DmsKeywordSchemaPolicy(DexteritySchemaPolicy):