- Drop support for Python 2.7, 3.5, 3.6

.github/workflows/tests.yml

@@ -21,9 +21,6 @@ jobs:
         config:
         # [Python version, tox env]
         - ["3.9",   "lint"]
-        - ["2.7",   "py27"]
-        - ["3.5",   "py35"]
-        - ["3.6",   "py36"]
         - ["3.7",   "py37"]
         - ["3.8",   "py38"]
         - ["3.9",   "py39"]
@@ -57,7 +54,7 @@ jobs:
     - name: Coverage
       if: matrix.config[1] == 'coverage'
       run: |
-        pip install coveralls coverage-python-version
+        pip install coveralls
         coveralls --service=github
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.meta.toml

@@ -2,11 +2,10 @@
 # https://github.com/zopefoundation/meta/tree/master/config/zope-product
 [meta]
 template = "zope-product"
-commit-id = "d6240444ec6c9e203f2fd9f62c3e6038f9189e96"
+commit-id = "e5c611fb"
 
 [python]
 with-pypy = false
-with-legacy-python = true
 with-sphinx-doctests = false
 with-windows = false
 with-future-python = false
@@ -25,6 +24,5 @@ known_third_party = "mock, six, sqlalchemy, testfixtures"
 
 [manifest]
 additional-rules = [
-    "include buildout4.cfg",
     "recursive-include src *.zpt",
     ]

MANIFEST.in

@@ -7,5 +7,4 @@ include buildout.cfg
 include tox.ini
 
 recursive-include src *.py
-include buildout4.cfg
 recursive-include src *.zpt

setup.cfg

@@ -1,7 +1,7 @@
 # Generated from:
 # https://github.com/zopefoundation/meta/tree/master/config/zope-product
 [bdist_wheel]
-universal = 1
+universal = 0
 
 [flake8]
 doctests = 1

setup.py

@@ -28,22 +28,18 @@
       author='Andreas Jung',
       author_email='info@zopyx.com',
       maintainer='Zope Foundation and Contributors',
-      maintainer_email='zope-dev@zope.org',
+      maintainer_email='zope-dev@zope.dev',
       classifiers=[
         'Development Status :: 5 - Production/Stable',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: Zope Public License',
         'Operating System :: OS Independent',
         'Framework :: Zope',
-        'Framework :: Zope :: 4',
         'Framework :: Zope :: 5',
         'Programming Language :: Python',
         'Topic :: Database',
         'Topic :: Database :: Front-Ends',
         'Topic :: Software Development :: Libraries :: Python Modules',
-        'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
@@ -60,9 +56,9 @@
       python_requires='>=3.7',
       install_requires=[
         'setuptools',
-        'SQLAlchemy <1.4',  # SQLAlchemy 1.4 doesn't support Python 3.5
+        'SQLAlchemy <2',  # z3c.sqlalchemy 1.5.2 incompatible with SQLAlchemy 2
         'z3c.sqlalchemy >1.5.1',
         'Products.ZSQLMethods'],
-      extras_require={'test': ['testfixtures', 'mock']},
+      extras_require={'test': ['testfixtures']},
       namespace_packages=['Products'],
       )

src/Products/SQLAlchemyDA/da.py

@@ -11,8 +11,6 @@
 import time
 import warnings
 
-import six
-
 from AccessControl import ClassSecurityInfo
 from AccessControl.class_init import InitializeClass
 from AccessControl.Permissions import view_management_screens
@@ -22,7 +20,6 @@
 
 from z3c.sqlalchemy import createSAWrapper
 from z3c.sqlalchemy import getSAWrapper
-from z3c.sqlalchemy.interfaces import ISQLAlchemyWrapper
 from zope.sqlalchemy import mark_changed
 
 
@@ -174,7 +171,7 @@ def manage_afterAdd(self, item, container):
 
     def _new_utilid(self):
         """ Assign a new unique utility ID """
-        self.util_id = '%s.%s' % (time.time(), random.random())
+        self.util_id = f'{time.time()}.{random.random()}'
 
     def allQuotingStyles(self):
         return ('standard', 'no-quote')
@@ -475,9 +472,9 @@ def manage_doQuery(self, query):
     @security.protected(view_management_screens)
     def manage_formatItem(self, s):
         """ used by query form """
-        if isinstance(s, six.text_type):
+        if isinstance(s, str):
             return s
-        if isinstance(s, six.binary_type):
+        if isinstance(s, bytes):
             return s.decode(self.encoding, 'ignore')
         return str(s)
 
@@ -486,24 +483,11 @@ def manage_editProperties(self, REQUEST):
         """ Intercept changed properties in order to perform
             further actions.
         """
-        try:
-            # zope 2.10
-            from zope.component import unregisterUtility
-            unregisterUtility(name=self.util_id)
-            self._new_utilid()
-        except ImportError:
-            try:
-                # zope 2.8
-                from zope.app import zapi
-                from zope.component.servicenames import Utilities
-                s = zapi.getGlobalServices().getService(Utilities)
-                s.register((), ISQLAlchemyWrapper, self.util_id, None)
-                self._new_utilid()
-            except Exception:
-                # Zope 2.9 ATT: fix this
-                self._new_utilid()
-
-        return super(SAWrapper, self).manage_editProperties(REQUEST)
+        from zope.component import unregisterUtility
+        unregisterUtility(name=self.util_id)
+        self._new_utilid()
+
+        return super().manage_editProperties(REQUEST)
 
     manage_workspace = PageTemplateFile('pt/info', globals(),
                                         __name__='manage_workspace')

src/Products/SQLAlchemyDA/tests/test_SQLAlchemyDA.py

@@ -4,8 +4,8 @@
 
 import copy
 import os
+from unittest.mock import patch
 
-from mock import patch
 from sqlalchemy import Column
 from sqlalchemy import Integer
 from sqlalchemy import MetaData
@@ -61,8 +61,8 @@ def afterSetUp(self):
         metadata.bind = wrapper.engine
         metadata.create_all()
         session = wrapper.session
-        t1 = Test(id=1, utext=u'Hello world', text='hello world')
-        t2 = Test(id=2, utext=u'foo', text='far')
+        t1 = Test(id=1, utext='Hello world', text='hello world')
+        t2 = Test(id=2, utext='foo', text='far')
         session.add(t1)
         session.add(t2)
 
@@ -186,17 +186,17 @@ def testZsqlInsertWithRollback(self):
         self.assertEqual(len(rows), 0)
 
     def testORMInsertWithCommit(self):
-        t1 = Test(id=8, utext=u'Hello world', text='hello world')
-        t2 = Test(id=9, utext=u'foo', text='far')
+        t1 = Test(id=8, utext='Hello world', text='hello world')
+        t2 = Test(id=9, utext='foo', text='far')
         self.session.add(t1)
         self.session.add(t2)
         self.publish(self.folder_path)
         rows = self.session.query(Test).all()
         self.assertEqual(len(rows), 2)
 
     def testORMInsertWithRollback(self):
-        t1 = Test(id=8, utext=u'Hello world', text='hello world')
-        t2 = Test(id=9, utext=u'foo', text='far')
+        t1 = Test(id=8, utext='Hello world', text='hello world')
+        t2 = Test(id=9, utext='foo', text='far')
         self.session.add(t1)
         self.session.add(t2)
         transaction.abort()

tox.ini

@@ -4,9 +4,6 @@
 minversion = 3.18
 envlist =
     lint
-    py27
-    py35
-    py36
     py37
     py38
     py39
@@ -20,8 +17,7 @@ deps =
     zc.buildout >= 3.0.1
     wheel > 0.37
 commands_pre =
-    py27,py35: {envbindir}/buildout -nc {toxinidir}/buildout4.cfg buildout:directory={envdir} buildout:develop={toxinidir} install test
-    !py27-!py35: {envbindir}/buildout -nc {toxinidir}/buildout.cfg buildout:directory={envdir} buildout:develop={toxinidir} install test
+    {envbindir}/buildout -nc {toxinidir}/buildout.cfg buildout:directory={envdir} buildout:develop={toxinidir} install test
 commands =
     {envdir}/bin/test {posargs:-cv}
 
@@ -33,7 +29,6 @@ allowlist_externals =
     mkdir
 commands =
     isort --check-only --diff {toxinidir}/src {toxinidir}/setup.py
-    - flake8 {toxinidir}/src {toxinidir}/setup.py
     flake8 {toxinidir}/src {toxinidir}/setup.py
     check-manifest
     check-python-versions
@@ -63,7 +58,6 @@ allowlist_externals =
 deps =
     {[testenv]deps}
     coverage
-    coverage-python-version
 commands =
     mkdir -p {toxinidir}/parts/htmlcov
     coverage run {envdir}/bin/test {posargs:-cv}
@@ -72,7 +66,6 @@ commands =
 
 [coverage:run]
 branch = True
-plugins = coverage_python_version
 source = Products.SQLAlchemyDA
 
 [coverage:report]