ERP5: new software release targeting Python 3

software/erp5/software-py3.cfg

+[buildout]
+extends =
+  ../../stack/erp5/buildout-py3.cfg

software/erp5/test/test/__init__.py

@@ -28,12 +28,15 @@
 import json
 import os
 
+import six
+
 from slapos.testing.testcase import makeModuleSetUpAndTestCaseClass
 
 
 _setUpModule, SlapOSInstanceTestCase = makeModuleSetUpAndTestCaseClass(
     os.path.abspath(
-        os.path.join(os.path.dirname(__file__), '..', '..', 'software.cfg')))
+        os.path.join(os.path.dirname(__file__), '..', '..',
+                     'software%s.cfg' % ("-py3" if six.PY3 else ""))))
 
 
 setup_module_executed = False

stack/erp5/buildout-py3.cfg

+[buildout]
+extends =
+  buildout.cfg
+# Exact versions from Zope 4
+  versions.cfg
+  versions-prod.cfg
+
+[python]
+part = python3
+
+parts -=
+# XXX: The following parts have no support for Python 3. Ignore for now.
+  rdiff-backup
+  ocropy
+  hookbox
+
+[rdiff-backup]
+recipe =
+[rdiff-backup-build]
+recipe =
+[ocropy]
+recipe =
+[hookbox]
+recipe =
+
+[numpy-egg-abspath]
+# XXX: The only purpose of this section is to dynamically get the absolute path
+# of the numpy egg. There's probably a better way.
+recipe = slapos.recipe.build
+init =
+  import glob, os
+  paths = glob.glob(os.path.join(self.buildout['buildout']['develop-eggs-directory'], 'numpy-*.egg'))
+  assert len(paths) == 1, paths
+  options['abspath'] = paths[0]
+
+[scipy-env]
+# See https://github.com/scipy/scipy/blob/b285d269decb8ed11079c9d4e450391eda26e9ad/scipy/special/setup.py#L158
+# `sys.executable` is a "raw" python 3, and can't find numpy. We thus tell it
+# where to find it, because it needs it.
+PYTHONPATH=${numpy-egg-abspath:abspath}:$PYTHONPATH
+
+[python-ldap-python]
+# No patch needed anymore
+patches =
+include-dirs -=
+  ${cyrus-sasl:location}/include/sasl
+include-dirs +=
+  ${cyrus-sasl:location}/include
+
+[eggs]
+eggs -=
+# tracemalloc is now part of Python 3.4!
+  pytracemalloc
+# XXX: The following eggs have no support for Python 3. Ignore for now.
+  ocropy
+  ${ocropy:egg}
+  PyXML
+  threadframe
+  suds
+  xupdate_processor
+  SOAPpy
+  fpconst
+
+[versions]
+# zc.recipe.egg 2.0.7 (in versions.cfg) requires zc.buildout>=2.12.0, so let's
+# revert to the version contained in stack/slapos.cfg
+zc.recipe.egg = 2.0.3+slapos003
+
+pyasn1-modules = 0.2.8
+pyasn1 = 0.4.8
+
+# Version up to support Python 3.7
+numpy = 1.16.6
+pandas = 0.24.2
+# XXX: No version of scipy is both compatible with Python 2.7 and 3.7
+scipy = 1.5.2
+scikit-learn = 0.20.4
+statsmodels = 0.10.2
+pyzmq = 19.0.2
+PyStemmer = 2.0.1
+python-ldap = 3.1.0