Merge pull request #11 from zopefoundation/py3_unicode

Fix unicode issue

CHANGES.rst

@@ -7,6 +7,8 @@
 
 - Host documentation at https://zopetal.readthedocs.io
 
+- Fix a ``NameError`` on Python 3 in talgettext.py affecting i18ndude.
+  See https://github.com/zopefoundation/zope.tal/pull/11
 
 4.3.0 (2017-08-08)
 ==================

src/zope/tal/talgettext.py

@@ -44,6 +44,10 @@
 from zope.tal.taldefs import TALExpressionError
 from zope.i18nmessageid import Message
 
+PY3 = sys.version_info > (3,)
+if PY3:
+    unicode = str
+
 pot_header = '''\
 # SOME DESCRIPTIVE TITLE.
 # Copyright (C) YEAR ORGANIZATION
@@ -64,6 +68,7 @@
 
 NLSTR = '"\n"'
 
+
 def usage(code, msg=''):
     # Python 2.1 required
     print(__doc__, file=sys.stderr)

src/zope/tal/tests/test_talgettext.py

@@ -118,6 +118,24 @@ def test_dynamic_msgids(self):
                          ['A <a href="${DYNAMIC_CONTENT}">link</a>.',
                           'Some ${DYNAMIC_CONTENT} text.'])
 
+    def test_potalinterpreter_translate_default(self):
+        sample_source = '<p i18n:translate="">text</p>'
+        p = HTMLTALParser()
+        p.parseString(sample_source)
+        program, macros = p.getCode()
+        engine = POEngine()
+        engine.file = 'sample_source'
+        interpreter = POTALInterpreter(
+            program, macros, engine, stream=StringIO(), metal=False)
+        # We simply call this, to make sure we don't get a NameError
+        # for 'unicode' in python 3.
+        # The return value (strangely: 'x') is not interesting here.
+        interpreter.translate('text')
+        msgids = []
+        for domain in engine.catalog.values():
+            msgids += list(domain)
+        self.assertIn('text', msgids)
+
 
 def test_suite():
     return unittest.defaultTestLoader.loadTestsFromName(__name__)