--- src/zope/structuredtext/docbook.py.orig	2010-12-03 16:46:32 UTC
+++ src/zope/structuredtext/docbook.py
@@ -81,7 +81,7 @@ class DocBook:
                 getattr(self, self.element_types[c.getNodeName()]
                        )(c, level, output)
             except:
-                print "failed", c.getNodeName(), c
+                print("failed", c.getNodeName(), c)
         output('</title>\n')
 
     def description(self, doc, level, output):
--- src/zope/structuredtext/stng.py.orig	2010-12-03 16:46:32 UTC
+++ src/zope/structuredtext/stng.py
@@ -14,7 +14,7 @@
 """
 
 import re
-import stdom
+from . import stdom
 
 __metaclass__ = type
 
@@ -50,7 +50,7 @@ def display(struct):
     orignal paragraphs.
     """
     if struct.getColorizableTexts():
-        print '\n'.join(struct.getColorizableTexts())
+        print('\n'.join(struct.getColorizableTexts()))
     if struct.getSubparagraphs():
         for x in struct.getSubparagraphs():
             display(x)
@@ -61,7 +61,7 @@ def display2(struct):
     orignal paragraphs.
     """
     if struct.getNodeValue():
-        print struct.getNodeValue(),"\n"
+        print(struct.getNodeValue(),"\n")
     if struct.getSubparagraphs():
         for x in struct.getSubparagraphs():
             display(x)
@@ -70,11 +70,11 @@ def findlevel(levels,indent):
     """Remove all level information of levels with a greater level of
     indentation. Then return which level should insert this paragraph
     """
-    keys = levels.keys()
+    keys = list(levels.keys())
     for key in keys:
         if levels[key] > indent:
             del(levels[key])
-    keys = levels.keys()
+    keys = list(levels.keys())
     if not(keys):
         return 0
     else:
@@ -180,8 +180,8 @@ class StructuredTextParagraph(stdom.Element):
         self._src = src
         self._subs = list(subs)
 
-        self._attributes = kw.keys()
-        for k, v in kw.items():
+        self._attributes = list(kw.keys())
+        for k, v in list(kw.items()):
             setattr(self, k, v)
 
     def getChildren(self):
@@ -223,7 +223,7 @@ class StructuredTextParagraph(stdom.Element):
           ('%s(' % self.__class__.__name__)
           +str(self._src)+', ['
           )
-        for p in self._subs: a(`p`)
+        for p in self._subs: a(repr(p))
         a((' '*(self.indent or 0))+'])')
         return '\n'.join(r)
 
@@ -248,7 +248,7 @@ class StructuredTextDocument(StructuredTextParagraph):
     def __repr__(self):
         r=[]; a=r.append
         a('%s([' % self.__class__.__name__)
-        for p in self._subs: a(`p`+',')
+        for p in self._subs: a(repr(p)+',')
         a('])')
         return '\n'.join(r)
 
@@ -470,8 +470,8 @@ class StructuredTextMarkup(stdom.Element):
 
     def __init__(self, value, **kw):
         self._value = value
-        self._attributes = kw.keys()
-        for key, value in kw.items():
+        self._attributes = list(kw.keys())
+        for key, value in list(kw.items()):
             setattr(self, key, value)
 
     def getChildren(self):
@@ -487,7 +487,7 @@ class StructuredTextMarkup(stdom.Element):
         self._value=v[0]
 
     def __repr__(self):
-        return '%s(%s)' % (self.__class__.__name__, `self._value`)
+        return '%s(%s)' % (self.__class__.__name__, repr(self._value))
 
 class StructuredTextLiteral(StructuredTextMarkup):
     def getColorizableTexts(self):
--- src/zope/structuredtext/tests.py.orig	2010-12-03 16:46:32 UTC
+++ src/zope/structuredtext/tests.py
@@ -45,7 +45,7 @@ class StngTests(unittest.TestCase):
             doc = Document()
             raw_text = readFile(regressions, f)
             text = stng.structurize(raw_text)
-            self.assert_(doc(text))
+            self.assertTrue(doc(text))
 
     def testRegressionsTests(self):
         # HTML regression test
@@ -73,9 +73,9 @@ class BasicTests(unittest.TestCase):
         doc = DocumentWithImages()(doc)
         output = HTMLWithImages()(doc, level=1)
         if not expected in output:
-            print "Text:     ", stxtxt.encode('utf-8')
-            print "Converted:", output.encode('utf-8')
-            print "Expected: ", expected.encode('utf-8')
+            print("Text:     ", stxtxt.encode('utf-8'))
+            print("Converted:", output.encode('utf-8'))
+            print("Expected: ", expected.encode('utf-8'))
             self.fail("'%s' not in result" % expected)        
 
     def testUnderline(self):
@@ -279,8 +279,8 @@ class BasicTests(unittest.TestCase):
     def testUnicodeContent(self):
         # This fails because ST uses the default locale to get "letters"
         # whereas it should use \w+ and re.U if the string is Unicode.
-        self._test(u"h\xe9 **y\xe9** xx",
-                  u"h\xe9 <strong>y\xe9</strong> xx")
+        self._test("h\xe9 **y\xe9** xx",
+                  "h\xe9 <strong>y\xe9</strong> xx")
 
 def test_suite():
     suite = unittest.TestSuite()