From 99894bd6f2f22cd36f8edd4140c762f5e1142025 Mon Sep 17 00:00:00 2001
From: Goffi <goffi@goffi.org>
Date: Fri, 22 Jan 2016 20:24:17 +0100
Subject: [PATCH] core (xml_tools): added a method to find all elements
 corresponding to criteria

---
 src/tools/xml_tools.py | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/tools/xml_tools.py b/src/tools/xml_tools.py
index 371d4d6e..e5361f83 100644
--- a/src/tools/xml_tools.py
+++ b/src/tools/xml_tools.py
@@ -1395,3 +1395,20 @@ def getText(node):
         if child.nodeType == child.TEXT_NODE:
             data.append(child.wholeText)
     return u"".join(data)
+
+def findAll(elt, names=None, namespaces=None):
+    """Find child element at any depth matching criteria
+
+    @param elt(domish.Element): top parent of the elements to find
+    @param names(iterable, None): names to match
+        None to accept every names
+    @param namespace(unicode): URIs to match
+        None to accept every namespaces
+    """
+
+    for child in elt.elements():
+        if ((not names or child.name in names) and
+            (not namespaces or child.uri in namespaces)):
+            yield child
+        for found in findAll(child, names):
+            yield found