diff -r 75990a013d4d Lib/test/test_xml_etree.py
--- a/Lib/test/test_xml_etree.py	Tue Feb 21 19:54:26 2012 +0100
+++ b/Lib/test/test_xml_etree.py	Wed Feb 22 10:49:27 2012 +1300
@@ -1903,6 +1903,23 @@
 def test_correct_import_pyET(self):
 self.assertEqual(pyET.Element.__module__, 'xml.etree.ElementTree')
 
+class TestElementSourceline(unittest.TestCase):
+ """Ensure that element are given sourceline attribute.
+ """
+ def test_sourceline_from_string(self):
+ "Simple example from string source"
+ tree = pyET.XML(SAMPLE_XML)
+ section_element = tree.find("section")
+ self.assertEqual(section_element.sourceline, 4)
+
+ def test_sourceline_from_file(self):
+ "Find line numbers of all elements"
+ tree = pyET.ElementTree()
+ tree.parse(SIMPLE_XMLFILE)
+ element_lines = [(e.tag, e.sourceline) for e in tree.iter()]
+ self.assertEqual(element_lines,
+ [('root', 2), ('element', 3), ('element', 4), ('empty-element', 5)])
+
 
 def test_main(module=pyET):
 from test import test_xml_etree
@@ -1911,6 +1928,7 @@
 test_xml_etree.ET = module
 
 support.run_unittest(TestAcceleratorNotImported)
+ support.run_unittest(TestElementSourceline)
 
 # XXX the C module should give the same warnings as the Python module
 with CleanContext(quiet=(module is not pyET)):
diff -r 75990a013d4d Lib/xml/etree/ElementTree.py
--- a/Lib/xml/etree/ElementTree.py	Tue Feb 21 19:54:26 2012 +0100
+++ b/Lib/xml/etree/ElementTree.py	Wed Feb 22 10:49:27 2012 +1300
@@ -1571,7 +1571,10 @@
 if attrib_in:
 for i in range(0, len(attrib_in), 2):
 attrib[fixname(attrib_in[i])] = attrib_in[i+1]
- return self.target.start(tag, attrib)
+ element = self.target.start(tag, attrib)
+ if element is not None:
+ element.sourceline = self._parser.CurrentLineNumber
+ return element
 
 def _data(self, text):
 return self.target.data(text)
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