compatible python3

.travis.yml

@@ -1,10 +1,12 @@
 language: python
 python:
-  - "2.6"
   - "2.7"
+  - "3.3"
 install:
-  - pip install --use-mirrors imapclient unittest2 flake8 mock
-  - python setup.py develop
+  - pip install --use-mirrors flake8 mock
+  - if [[ $TRAVIS_PYTHON_VERSION == '3.3' ]]; then pip install --use-mirrors unittest2py3k; fi
+  - if [[ $TRAVIS_PYTHON_VERSION == '2.7' ]]; then pip install --use-mirrors unittest2; fi
+  - pip install -e .
 script:
   - unit2 discover mailbot.tests
   - flake8 mailbot

Makefile

@@ -2,6 +2,7 @@
 
 bin/python:
 	virtualenv . --python python2
+	bin/pip install -U setuptools
 	bin/python setup.py develop
 
 test: bin/python
@@ -10,7 +11,7 @@ test: bin/python
 
 livetest: bin/python
 	bin/pip install tox
-	bin/tox -e py26-live,py27-live
+	bin/tox -e py27-live,py33-live
 
 docs:
 	bin/pip install sphinx

README.rst

@@ -11,7 +11,7 @@ MailBot: register callbacks to be executed on mail reception.
 * Authors: Mathieu Agopian and `contributors
   <https://github.com/magopian/mailbot/contributors>`_
 * Licence: BSD
-* Compatibility: Django 1.4+, python2.6 up to python3.3
+* Compatibility: Python 2.7 and Python 3.3
 * Project URL: https://github.com/magopian/mailbot
 * Documentation: http://mailbot.rtfd.org/
 
@@ -27,7 +27,7 @@ Setup your environment:
     cd mailbot
 
 Hack and run the tests using `Tox <https://pypi.python.org/pypi/tox>`_ to test
-on all the supported python and Django versions:
+on all the supported python versions:
 
 ::
 

docs/source/conf.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# django-mail-factory documentation build configuration file, created by
+# mailbot documentation build configuration file, created by
 # sphinx-quickstart on Wed Jan 23 17:31:52 2013.
 #
 # This file is execfile()d with the current directory set to its containing dir.
@@ -40,8 +40,8 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'django-mail-factory'
-copyright = u'2013, Rémy HUBSCHER'
+project = u'mailbot'
+copyright = u'2013, Mathieu Agopian'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -164,7 +164,7 @@ html_static_path = ['_static']
 #html_file_suffix = None
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = 'django-mail-factorydoc'
+htmlhelp_basename = 'mailbotdoc'
 
 
 # -- Options for LaTeX output --------------------------------------------------
@@ -183,8 +183,8 @@ latex_elements = {
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, documentclass [howto/manual]).
 latex_documents = [
-  ('index', 'django-mail-factory.tex', u'django-mail-factory Documentation',
-   u'Rémy HUBSCHER', 'manual'),
+  ('index', 'mailbot.tex', u'mailbot Documentation',
+   u'Mathieu Agopian', 'manual'),
 ]
 
 # The name of an image file (relative to this directory) to place at the top of
@@ -213,8 +213,8 @@ latex_documents = [
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    ('index', 'django-mail-factory', u'django-mail-factory Documentation',
-     [u'Rémy HUBSCHER'], 1)
+    ('index', 'mailbot', u'mailbot Documentation',
+     [u'Mathieu Agopian'], 1)
 ]
 
 # If true, show URL addresses after external links.
@@ -227,8 +227,8 @@ man_pages = [
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-  ('index', 'django-mail-factory', u'django-mail-factory Documentation',
-   u'Rémy HUBSCHER', 'django-mail-factory', 'One line description of project.',
+  ('index', 'mailbot', u'mailbot Documentation',
+   u'Mathieu Agopian', 'mailbot', 'One line description of project.',
    'Miscellaneous'),
 ]
 

mailbot/callback.py

@@ -1,9 +1,13 @@
 # -*- coding: utf-8 -*-
 
+from __future__ import absolute_import
+
 from collections import defaultdict
 from email.header import decode_header
 from re import findall
 
+from .compat import text_type, encoded_padding
+
 
 class Callback(object):
     """Base class for callbacks."""
@@ -27,7 +31,7 @@ class Callback(object):
             return True
 
         rules_tests = [self.check_item(item, regexps)
-                       for item, regexps in rules.iteritems()]
+                       for item, regexps in rules.items()]
 
         return all(rules_tests)  # True only if at least one value is
 
@@ -53,8 +57,10 @@ class Callback(object):
         else:
             value = message[item]
             # decode header (might be encoded as latin-1, utf-8...
-            value = ' '.join(chunk.decode(encoding or 'ASCII')
-                             for chunk, encoding in decode_header(value))
+            value = encoded_padding.join(
+                chunk.decode(encoding or 'ASCII')
+                if not isinstance(chunk, text_type) else chunk
+                for chunk, encoding in decode_header(value))
 
         for regexp in regexps:  # store all captures for easy access
             self.matches[item] += findall(regexp, value)
@@ -80,7 +86,10 @@ class Callback(object):
             if content_type == 'text/plain' and filename is None:
                 # text body of the mail, not an attachment
                 encoding = part.get_content_charset() or 'ASCII'
-                return part.get_payload(decode=True).decode(encoding)
+                content = part.get_payload()
+                if not isinstance(content, text_type):
+                    content = part.get_payload(decode=True).decode(encoding)
+                return content
 
         return ''
 

mailbot/compat.py

@@ -0,0 +1,13 @@
+# -*- coding: utf-8 -*-
+
+import sys
+
+# encoded padding is to cope with this ugly bug:
+# http://bugs.python.org/issue1467619
+# For some reason, in py27, the whitespace separating encoded pieces is eaten
+# up
+encoded_padding = ''
+text_type = str
+if sys.version < '3':
+    encoded_padding = ' '
+    text_type = unicode  # noqa

mailbot/mailbot.py

@@ -80,7 +80,7 @@ class MailBot(object):
 
         # compare datetimes without tzinfo, as UTC
         date_pivot = datetime.utcnow() - timedelta(seconds=self.timeout)
-        to_reset = [msg_id for msg_id, data in messages.iteritems()
+        to_reset = [msg_id for msg_id, data in messages.items()
                     if data['INTERNALDATE'].replace(tzinfo=None) < date_pivot]
 
         if to_reset:

setup.py

@@ -25,7 +25,11 @@ if __name__ == '__main__':  # ``import setup`` doesn't trigger setup().
                        'Intended Audience :: Developers',
                        'License :: OSI Approved :: BSD License',
                        'Natural Language :: English',
-                       'Programming Language :: Python'],
+                       'Programming Language :: Python',
+                       'Programming Language :: Python :: 2',
+                       'Programming Language :: Python :: 2.7',
+                       'Programming Language :: Python :: 3',
+                       'Programming Language :: Python :: 3.3'],
           keywords='mail callback',
           author='Mathieu Agopian',
           author_email='mathieu.agopian@gmail.com',

tox.ini

@@ -1,26 +1,38 @@
-
 [tox]
-envlist = py26, py27
+envlist = py27, py33
+toxworkdir = {homedir}/.tox-mailbot
 
 [testenv]
 commands =
     python setup.py develop
-    coverage run --branch --source=mailbot bin/unit2 discover mailbot.tests
+    coverage run --branch --source=mailbot {envbindir}/unit2 discover mailbot.tests
     coverage report -m --omit=mailbot/tests/*,mailbot/livetests/*
     flake8 mailbot
 deps =
-    imapclient
-    unittest2
     mock
     flake8
     coverage
 
-[testenv:py26-live]
+[testenv:py27]
+basepython = python2.7
+deps =
+    unittest2
+    {[testenv]deps}
+
+[testenv:py33]
+basepython = python3.3
+deps =
+    unittest2py3k
+    {[testenv]deps}
+
+[testenv:py27-live]
+basepython = python2.7
 commands =
     python setup.py develop
     unit2 discover mailbot.livetests
 
-[testenv:py27-live]
+[testenv:py33-live]
+basepython = python3.3
 commands =
     python setup.py develop
     unit2 discover mailbot.livetests