--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cm/utils/html.py	Mon Nov 23 15:14:29 2009 +0100
@@ -0,0 +1,30 @@
+"""
+Package to manipulage html chunks
+"""
+
+from BeautifulSoup import BeautifulSoup, Comment
+
+def surrond_text_node(html_chunk, start_html, end_html):
+    """
+    Surround text nodes in html_chunk
+    """
+    soup = BeautifulSoup(html_chunk)
+    text_nodes = get_text_nodes(soup)
+    for text_node in text_nodes:        
+        if text_node.string.strip():
+            text_node.replaceWith(start_html + text_node.string + end_html)
+    return unicode(soup)
+    
+
+# utilities    
+def get_text_nodes(soup):
+    return soup(text=lambda text:not isinstance(text, Comment))
+
+
+import re
+
+def cleanup_textarea(input):
+    """
+    Cleanup \r\n to standard \n    
+    """
+    return re.sub('(\r\n)|(\n)|(\r)','\n',input)
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