--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/svnxml.py	Tue Apr 24 13:05:38 2012 +0200
@@ -0,0 +1,51 @@
+# Read the output of a "svn log --xml" command on stdin, parse it and
+# print a subset of attributes common to all svn versions tested by
+# hg.
+import xml.dom.minidom, sys
+
+def xmltext(e):
+    return ''.join(c.data for c
+                   in e.childNodes
+                   if c.nodeType == c.TEXT_NODE)
+
+def parseentry(entry):
+    e = {}
+    e['revision'] = entry.getAttribute('revision')
+    e['author'] = xmltext(entry.getElementsByTagName('author')[0])
+    e['msg'] = xmltext(entry.getElementsByTagName('msg')[0])
+    e['paths'] = []
+    paths = entry.getElementsByTagName('paths')
+    if paths:
+        paths = paths[0]
+        for p in paths.getElementsByTagName('path'):
+            action = p.getAttribute('action')
+            path = xmltext(p)
+            frompath = p.getAttribute('copyfrom-path')
+            fromrev = p.getAttribute('copyfrom-rev')
+            e['paths'].append((path, action, frompath, fromrev))
+    return e
+
+def parselog(data):
+    entries = []
+    doc = xml.dom.minidom.parseString(data)
+    for e in doc.getElementsByTagName('logentry'):
+        entries.append(parseentry(e))
+    return entries
+
+def printentries(entries):
+    fp = sys.stdout
+    for e in entries:
+        for k in ('revision', 'author', 'msg'):
+            fp.write(('%s: %s\n' % (k, e[k])).encode('utf-8'))
+        for path, action, fpath, frev in sorted(e['paths']):
+            frominfo = ''
+            if frev:
+                frominfo = ' (from %s@%s)' % (fpath, frev)
+            p = ' %s %s%s\n' % (action, path, frominfo)
+            fp.write(p.encode('utf-8'))
+
+if __name__ == '__main__':
+    data = sys.stdin.read()
+    entries = parselog(data)
+    printentries(entries)
+