Ensure Python 3 support.

.travis.yml

@@ -1,10 +1,15 @@
 language: python
 python:
-    - 2.7
+    - 3.5
+sudo: false
+env:
+    - TOXENV=py27
+    - TOXENV=py33
+    - TOXENV=py34
+    - TOXENV=py35
 install:
-    - python bootstrap.py
-    - bin/buildout
+    - pip install tox
 script:
-    - bin/test -v1
+    - tox
 notifications:
-    email: false
+    email: false

CHANGES.txt

@@ -7,6 +7,7 @@ CHANGES
 
 - Standardize namespace __init__
 
+- Claim compatibility for Python 3.3, 3.4, and 3.5.
 
 1.3 (2010-10-28)
 ================

buildout.cfg

@@ -1,6 +1,9 @@
 [buildout]
 develop = .
 parts = test console-scripts
+versions=versions
+find-links =
+    ${buildout:directory}/zope.app.publication-4.0.0a1.dev0.tar.gz
 
 [test]
 recipe = zc.recipe.testrunner
@@ -11,4 +14,9 @@ recipe = zc.recipe.egg
 eggs =
      importchecker
      pep8
-     createcoverage
+     createcoverage
+
+[versions]
+transaction =1.5.0
+zope.app.publication = 4.0.0a1.dev0
+Webtest =

src/z3c/flashmessage/interfaces.py

@@ -4,17 +4,18 @@
 # $Id$
 """Flash message interfaces"""
 
+from __future__ import unicode_literals
 import zope.interface
 import zope.schema
 
 
 class IMessage(zope.interface.Interface):
     """A message that can be displayed to the user."""
 
-    message = zope.schema.TextLine(title=u"The message itself.")
+    message = zope.schema.TextLine(title="The message itself.")
 
-    type = zope.schema.TextLine(title=u"A classifier for the message",
-                                default=u"message")
+    type = zope.schema.TextLine(title="A classifier for the message",
+                                default="message")
 
     def prepare(source):
         """Prepare for being received.
@@ -32,7 +33,7 @@ def prepare(source):
 
 class IMessageSource(zope.interface.Interface):
 
-    def send(message, type=u"message"):
+    def send(message, type="message"):
         """Send a message to this source.
 
         Message can either be a unicode string or an IMessage object.

src/z3c/flashmessage/message.py

@@ -4,21 +4,21 @@
 # $Id$
 """A simple message that can be displayed."""
 
+from __future__ import unicode_literals
 import persistent
 import z3c.flashmessage.interfaces
 import zope.interface
 
 
+@zope.interface.implementer(z3c.flashmessage.interfaces.IMessage)
 class BaseMessage(persistent.Persistent):
     """A message that is displayed to the user.
 
     An (abstract) base class.
 
     """
 
-    zope.interface.implements(z3c.flashmessage.interfaces.IMessage)
-
-    def __init__(self, message, type=u"message"):
+    def __init__(self, message, type="message"):
         self.message = message
         self.type = type
 

src/z3c/flashmessage/receiver.py

@@ -9,10 +9,9 @@
 import z3c.flashmessage.interfaces
 
 
+@zope.interface.implementer(z3c.flashmessage.interfaces.IMessageReceiver)
 class GlobalMessageReceiver(object):
 
-    zope.interface.implements(z3c.flashmessage.interfaces.IMessageReceiver)
-
     def receive(self, type=None):
         sources = zope.component.getAllUtilitiesRegisteredFor(
             z3c.flashmessage.interfaces.IMessageSource)

src/z3c/flashmessage/sources.py

@@ -4,6 +4,7 @@
 # $Id$
 """A message source that stores messages in the session."""
 
+from __future__ import unicode_literals
 import zope.interface
 
 import zope.session.interfaces
@@ -14,6 +15,7 @@
 import z3c.flashmessage.message
 
 
+@zope.interface.implementer(z3c.flashmessage.interfaces.IMessageSource)
 class ListBasedMessageSource(object):
     """An (abstract) base class that stores messages
     in a list.
@@ -23,9 +25,7 @@ class ListBasedMessageSource(object):
 
     """
 
-    zope.interface.implements(z3c.flashmessage.interfaces.IMessageSource)
-
-    def send(self, message, type=u"message"):
+    def send(self, message, type="message"):
         """Send a message to this source."""
         if not z3c.flashmessage.interfaces.IMessage.providedBy(message):
             # The programmer has passed in not a message, so we create a
@@ -72,15 +72,14 @@ def _get_storage(self, for_write=False):
                                        persistent.list.PersistentList())
 
 
+@zope.interface.implementer(z3c.flashmessage.interfaces.IMessageSource)
 class RAMMessageSource(ListBasedMessageSource):
     """Source which stores its data in RAM.
 
     Caution: This source is not able to store messages for individual users.
 
     """
 
-    zope.interface.implements(z3c.flashmessage.interfaces.IMessageSource)
-
     def __init__(self):
         super(RAMMessageSource, self).__init__()
         self._storage = []

src/z3c/flashmessage/tests.py

@@ -11,7 +11,8 @@
 import zope.security.management
 
 
-FlashMessageLayer = zope.app.wsgi.testlayer.BrowserLayer(z3c.flashmessage)
+FlashMessageLayer = zope.app.wsgi.testlayer.BrowserLayer(
+    z3c.flashmessage, allowTearDown=True)
 
 
 def setUp(test):