Drop python2 support
This mostly consists in removing the dependency on "six" and updating
the code to use only Python3 idioms.
Notice that we previously used TemporaryDirectory from
cubicweb.devtools.testlib for compatibility with Python2. We now
directly import it from tempfile.
# pylint: disable=W0622
"""%(distname)s application packaging information"""
modname = 'cubicweb_%(cubename)s'
distname = '%(distname)s'
numversion = (0, 1, 0)
version = '.'.join(str(num) for num in numversion)
license = '%(license)s'
author = '%(author)s'
author_email = '%(author-email)s'
description = '%(shortdesc)s'
web = 'http://www.cubicweb.org/project/%%s' %% distname
__depends__ = %(dependencies)s
__recommends__ = {}
classifiers = [
'Environment :: Web Environment',
'Framework :: CubicWeb',
'Programming Language :: Python :: 3',
'Programming Language :: JavaScript',
]